diff --git a/src/3rdparty/sqlite3.c b/src/3rdparty/sqlite3.c index 947a154551..6e6dc8a6c8 100644 --- a/src/3rdparty/sqlite3.c +++ b/src/3rdparty/sqlite3.c @@ -1,6 +1,6 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.41.2. By combining all the individual C code files into this +** version 3.45.0. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -16,6 +16,9 @@ ** if you want a wrapper to interface SQLite with your choice of programming ** language. The code for the "sqlite3" command-line shell is also in a ** separate file. This file contains only code for the core SQLite library. +** +** The content in this amalgamation comes from Fossil check-in +** 1066602b2b1976fe58b5150777cced894af1. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 @@ -50,11 +53,11 @@ ** used on lines of code that actually ** implement parts of coverage testing. ** -** OPTIMIZATION-IF-TRUE - This branch is allowed to alway be false +** OPTIMIZATION-IF-TRUE - This branch is allowed to always be false ** and the correct answer is still obtained, ** though perhaps more slowly. ** -** OPTIMIZATION-IF-FALSE - This branch is allowed to alway be true +** OPTIMIZATION-IF-FALSE - This branch is allowed to always be true ** and the correct answer is still obtained, ** though perhaps more slowly. ** @@ -123,6 +126,10 @@ #define SQLITE_4_BYTE_ALIGNED_MALLOC #endif /* defined(_MSC_VER) && !defined(_WIN64) */ +#if !defined(HAVE_LOG2) && defined(_MSC_VER) && _MSC_VER<1800 +#define HAVE_LOG2 0 +#endif /* !defined(HAVE_LOG2) && defined(_MSC_VER) && _MSC_VER<1800 */ + #endif /* SQLITE_MSVC_H */ /************** End of msvc.h ************************************************/ @@ -452,9 +459,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.41.2" -#define SQLITE_VERSION_NUMBER 3041002 -#define SQLITE_SOURCE_ID "2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da" +#define SQLITE_VERSION "3.45.0" +#define SQLITE_VERSION_NUMBER 3045000 +#define SQLITE_SOURCE_ID "2024-01-15 17:01:13 1066602b2b1976fe58b5150777cced894af17c803e068f5918390d6915b46e1d" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -834,6 +841,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -1496,7 +1504,7 @@ struct sqlite3_io_methods { ** by clients within the current process, only within other processes. ** **
  • [[SQLITE_FCNTL_CKSM_FILE]] -** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the ** [checksum VFS shim] only. ** **
  • [[SQLITE_FCNTL_RESET_CACHE]] @@ -1961,20 +1969,23 @@ SQLITE_API int sqlite3_os_end(void); ** must ensure that no other SQLite interfaces are invoked by other ** threads while sqlite3_config() is running. ** -** The sqlite3_config() interface -** may only be invoked prior to library initialization using -** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. -** ^If sqlite3_config() is called after [sqlite3_initialize()] and before -** [sqlite3_shutdown()] then it will return SQLITE_MISUSE. -** Note, however, that ^sqlite3_config() can be called as part of the -** implementation of an application-defined [sqlite3_os_init()]. -** ** The first argument to sqlite3_config() is an integer ** [configuration option] that determines ** what property of SQLite is to be configured. Subsequent arguments ** vary depending on the [configuration option] ** in the first argument. ** +** For most configuration options, the sqlite3_config() interface +** may only be invoked prior to library initialization using +** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. +** The exceptional configuration options that may be invoked at any time +** are called "anytime configuration options". +** ^If sqlite3_config() is called after [sqlite3_initialize()] and before +** [sqlite3_shutdown()] with a first argument that is not an anytime +** configuration option, then the sqlite3_config() call will return SQLITE_MISUSE. +** Note, however, that ^sqlite3_config() can be called as part of the +** implementation of an application-defined [sqlite3_os_init()]. +** ** ^When a configuration option is set, sqlite3_config() returns [SQLITE_OK]. ** ^If the option is unknown or SQLite is unable to set the option ** then this routine returns a non-zero [error code]. @@ -2082,6 +2093,23 @@ struct sqlite3_mem_methods { ** These constants are the available integer configuration options that ** can be passed as the first argument to the [sqlite3_config()] interface. ** +** Most of the configuration options for sqlite3_config() +** will only work if invoked prior to [sqlite3_initialize()] or after +** [sqlite3_shutdown()]. The few exceptions to this rule are called +** "anytime configuration options". +** ^Calling [sqlite3_config()] with a first argument that is not an +** anytime configuration option in between calls to [sqlite3_initialize()] and +** [sqlite3_shutdown()] is a no-op that returns SQLITE_MISUSE. +** +** The set of anytime configuration options can change (by insertions +** and/or deletions) from one release of SQLite to the next. +** As of SQLite version 3.42.0, the complete set of anytime configuration +** options is: +** +** ** New configuration options may be added in future releases of SQLite. ** Existing configuration options might be discontinued. Applications ** should check the return code from [sqlite3_config()] to make sure that @@ -2412,7 +2440,7 @@ struct sqlite3_mem_methods { ** is stored in each sorted record and the required column values loaded ** from the database as records are returned in sorted order. The default ** value for this option is to never use this optimization. Specifying a -** negative value for this option restores the default behaviour. +** negative value for this option restores the default behavior. ** This option is only available if SQLite is compiled with the ** [SQLITE_ENABLE_SORTER_REFERENCES] compile-time option. ** @@ -2428,28 +2456,28 @@ struct sqlite3_mem_methods { ** compile-time option is not set, then the default maximum is 1073741824. ** */ -#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ -#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ -#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ -#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ -#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ -#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ -#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ -#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ -#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ -#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ -#define SQLITE_CONFIG_PCACHE 14 /* no-op */ -#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ -#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ -#define SQLITE_CONFIG_URI 17 /* int */ -#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ -#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ +#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ +#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ +#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ +#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ +#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ +#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ +#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ +#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ +#define SQLITE_CONFIG_PCACHE 14 /* no-op */ +#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ +#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ +#define SQLITE_CONFIG_URI 17 /* int */ +#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ -#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ -#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ +#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ +#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ #define SQLITE_CONFIG_PCACHE_HDRSZ 24 /* int *psz */ #define SQLITE_CONFIG_PMASZ 25 /* unsigned int szPma */ @@ -2587,7 +2615,7 @@ struct sqlite3_mem_methods { ** database handle, SQLite checks if this will mean that there are now no ** connections at all to the database. If so, it performs a checkpoint ** operation before closing the connection. This option may be used to -** override this behaviour. The first parameter passed to this operation +** override this behavior. The first parameter passed to this operation ** is an integer - positive to disable checkpoints-on-close, or zero (the ** default) to enable them, and negative to leave the setting unchanged. ** The second parameter is a pointer to an integer @@ -2684,7 +2712,7 @@ struct sqlite3_mem_methods { ** ** ** [[SQLITE_DBCONFIG_DQS_DML]] -**
    SQLITE_DBCONFIG_DQS_DML +**
    SQLITE_DBCONFIG_DQS_DML
    **
    The SQLITE_DBCONFIG_DQS_DML option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The @@ -2693,7 +2721,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DDL]] -**
    SQLITE_DBCONFIG_DQS_DDL +**
    SQLITE_DBCONFIG_DQS_DDL
    **
    The SQLITE_DBCONFIG_DQS option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DDL statements, ** such as CREATE TABLE and CREATE INDEX. The @@ -2702,7 +2730,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] -**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA +**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA
    **
    The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to ** assume that database schemas are untainted by malicious content. ** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite @@ -2722,7 +2750,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] -**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT +**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT
    **
    The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates ** the legacy file format flag. When activated, this flag causes all newly ** created database file to have a schema format version number (the 4-byte @@ -2731,7 +2759,7 @@ struct sqlite3_mem_methods { ** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, ** newly created databases are generally not understandable by SQLite versions ** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there -** is now scarcely any need to generated database files that are compatible +** is now scarcely any need to generate database files that are compatible ** all the way back to version 3.0.0, and so this setting is of little ** practical use, but is provided so that SQLite can continue to claim the ** ability to generate new database files that are compatible with version @@ -2740,8 +2768,40 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. **
    +** +** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] +**
    SQLITE_DBCONFIG_STMT_SCANSTATUS
    +**
    The SQLITE_DBCONFIG_STMT_SCANSTATUS option is only useful in +** SQLITE_ENABLE_STMT_SCANSTATUS builds. In this case, it sets or clears +** a flag that enables collection of the sqlite3_stmt_scanstatus_v2() +** statistics. For statistics to be collected, the flag must be set on +** the database handle both when the SQL statement is prepared and when it +** is stepped. The flag is set (collection of statistics is enabled) +** by default. This option takes two arguments: an integer and a pointer to +** an integer.. The first argument is 1, 0, or -1 to enable, disable, or +** leave unchanged the statement scanstatus option. If the second argument +** is not NULL, then the value of the statement scanstatus setting after +** processing the first argument is written into the integer that the second +** argument points to. +**
    +** +** [[SQLITE_DBCONFIG_REVERSE_SCANORDER]] +**
    SQLITE_DBCONFIG_REVERSE_SCANORDER
    +**
    The SQLITE_DBCONFIG_REVERSE_SCANORDER option changes the default order +** in which tables and indexes are scanned so that the scans start at the end +** and work toward the beginning rather than starting at the beginning and +** working toward the end. Setting SQLITE_DBCONFIG_REVERSE_SCANORDER is the +** same as setting [PRAGMA reverse_unordered_selects]. This option takes +** two arguments which are an integer and a pointer to an integer. The first +** argument is 1, 0, or -1 to enable, disable, or leave unchanged the +** reverse scan order flag, respectively. If the second argument is not NULL, +** then 0 or 1 is written into the integer that the second argument points to +** depending on if the reverse scan order flag is set after processing the +** first argument. +**
    +** ** */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -2762,7 +2822,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ #define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ #define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_STMT_SCANSTATUS 1018 /* int int* */ +#define SQLITE_DBCONFIG_REVERSE_SCANORDER 1019 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1019 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -2987,6 +3049,7 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether ** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); SQLITE_API int sqlite3_is_interrupted(sqlite3*); @@ -3640,8 +3703,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -4010,7 +4075,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: ** @@ -4123,7 +4188,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -4202,14 +4267,17 @@ SQLITE_API void sqlite3_free_filename(sqlite3_filename); ** ** ** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language -** text that describes the error, as either UTF-8 or UTF-16 respectively. +** text that describes the error, as either UTF-8 or UTF-16 respectively, +** or NULL if no error message is available. +** (See how SQLite handles [invalid UTF] for exceptions to this rule.) ** ^(Memory to hold the error message string is managed internally. ** The application does not need to worry about freeing the result. ** However, the error string might be overwritten or deallocated by ** subsequent calls to other SQLite interface functions.)^ ** -** ^The sqlite3_errstr() interface returns the English-language text -** that describes the [result code], as UTF-8. +** ^The sqlite3_errstr(E) interface returns the English-language text +** that describes the [result code] E, as UTF-8, or NULL if E is not an +** result code for which a text error message is available. ** ^(Memory to hold the error message string is managed internally ** and must not be freed by the application)^. ** @@ -4670,6 +4738,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -4833,7 +4936,7 @@ typedef struct sqlite3_context sqlite3_context; ** with it may be passed. ^It is called to dispose of the BLOB or string even ** if the call to the bind API fails, except the destructor is not called if ** the third parameter is a NULL pointer or the fourth parameter is negative. -** ^ (2) The special constant, [SQLITE_STATIC], may be passsed to indicate that +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that ** the application remains responsible for disposing of the object. ^In this ** case, the object and the provided pointer to it must remain valid until ** either the prepared statement is finalized or the same SQL parameter is @@ -5512,20 +5615,33 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. */ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); + /* ** CAPI3REF: Create Or Redefine SQL Functions ** KEYWORDS: {function creation routines} @@ -5736,7 +5852,7 @@ SQLITE_API int sqlite3_create_window_function( ** [application-defined SQL function] ** that has side-effects or that could potentially leak sensitive information. ** This will prevent attacks in which an application is tricked -** into using a database file that has had its schema surreptiously +** into using a database file that has had its schema surreptitiously ** modified to invoke the application-defined function in ways that are ** harmful. **

    @@ -5772,13 +5888,27 @@ SQLITE_API int sqlite3_create_window_function( ** ** ** [[SQLITE_SUBTYPE]]

    SQLITE_SUBTYPE
    -** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call +** The SQLITE_SUBTYPE flag indicates to SQLite that a function might call ** [sqlite3_value_subtype()] to inspect the sub-types of its arguments. -** Specifying this flag makes no difference for scalar or aggregate user -** functions. However, if it is not specified for a user-defined window -** function, then any sub-types belonging to arguments passed to the window -** function may be discarded before the window function is called (i.e. -** sqlite3_value_subtype() will always return 0). +** This flag instructs SQLite to omit some corner-case optimizations that +** might disrupt the operation of the [sqlite3_value_subtype()] function, +** causing it to return zero rather than the correct subtype(). +** SQL functions that invokes [sqlite3_value_subtype()] should have this +** property. If the SQLITE_SUBTYPE property is omitted, then the return +** value from [sqlite3_value_subtype()] might sometimes be zero even though +** a non-zero subtype was specified by the function argument expression. +** +** [[SQLITE_RESULT_SUBTYPE]]
    SQLITE_RESULT_SUBTYPE
    +** The SQLITE_RESULT_SUBTYPE flag indicates to SQLite that a function might call +** [sqlite3_result_subtype()] to cause a sub-type to be associated with its +** result. +** Every function that invokes [sqlite3_result_subtype()] should have this +** property. If it does not, then the call to [sqlite3_result_subtype()] +** might become a no-op if the function is used as term in an +** [expression index]. On the other hand, SQL functions that never invoke +** [sqlite3_result_subtype()] should avoid setting this property, as the +** purpose of this property is to disable certain optimizations that are +** incompatible with subtypes. **
    ** */ @@ -5786,6 +5916,7 @@ SQLITE_API int sqlite3_create_window_function( #define SQLITE_DIRECTONLY 0x000080000 #define SQLITE_SUBTYPE 0x000100000 #define SQLITE_INNOCUOUS 0x000200000 +#define SQLITE_RESULT_SUBTYPE 0x001000000 /* ** CAPI3REF: Deprecated Functions @@ -5982,6 +6113,12 @@ SQLITE_API int sqlite3_value_encoding(sqlite3_value*); ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. +** +** Every [application-defined SQL function] that invoke this interface +** should include the [SQLITE_SUBTYPE] property in the text +** encoding argument when the function is [sqlite3_create_function|registered]. +** If the [SQLITE_SUBTYPE] property is omitted, then sqlite3_value_subtype() +** might return zero instead of the upstream subtype in some corner cases. */ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); @@ -6080,48 +6217,56 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** METHOD: sqlite3_context ** ** These functions may be used by (non-aggregate) SQL functions to -** associate metadata with argument values. If the same value is passed to -** multiple invocations of the same SQL function during query execution, under -** some circumstances the associated metadata may be preserved. An example -** of where this might be useful is in a regular-expression matching -** function. The compiled version of the regular expression can be stored as -** metadata associated with the pattern string. +** associate auxiliary data with argument values. If the same argument +** value is passed to multiple invocations of the same SQL function during +** query execution, under some circumstances the associated auxiliary data +** might be preserved. An example of where this might be useful is in a +** regular-expression matching function. The compiled version of the regular +** expression can be stored as auxiliary data associated with the pattern string. ** Then as long as the pattern string remains the same, ** the compiled regular expression can be reused on multiple ** invocations of the same function. ** -** ^The sqlite3_get_auxdata(C,N) interface returns a pointer to the metadata +** ^The sqlite3_get_auxdata(C,N) interface returns a pointer to the auxiliary data ** associated by the sqlite3_set_auxdata(C,N,P,X) function with the Nth argument ** value to the application-defined function. ^N is zero for the left-most -** function argument. ^If there is no metadata +** function argument. ^If there is no auxiliary data ** associated with the function argument, the sqlite3_get_auxdata(C,N) interface ** returns a NULL pointer. ** -** ^The sqlite3_set_auxdata(C,N,P,X) interface saves P as metadata for the N-th -** argument of the application-defined function. ^Subsequent +** ^The sqlite3_set_auxdata(C,N,P,X) interface saves P as auxiliary data for the +** N-th argument of the application-defined function. ^Subsequent ** calls to sqlite3_get_auxdata(C,N) return P from the most recent -** sqlite3_set_auxdata(C,N,P,X) call if the metadata is still valid or -** NULL if the metadata has been discarded. +** sqlite3_set_auxdata(C,N,P,X) call if the auxiliary data is still valid or +** NULL if the auxiliary data has been discarded. ** ^After each call to sqlite3_set_auxdata(C,N,P,X) where X is not NULL, ** SQLite will invoke the destructor function X with parameter P exactly -** once, when the metadata is discarded. -** SQLite is free to discard the metadata at any time, including: ** -** Note the last bullet in particular. The destructor X in +** Note the last two bullets in particular. The destructor X in ** sqlite3_set_auxdata(C,N,P,X) might be called immediately, before the ** sqlite3_set_auxdata() interface even returns. Hence sqlite3_set_auxdata() ** should be called near the end of the function implementation and the ** function implementation should not make any use of P after -** sqlite3_set_auxdata() has been called. +** sqlite3_set_auxdata() has been called. Furthermore, a call to +** sqlite3_get_auxdata() that occurs immediately after a corresponding call +** to sqlite3_set_auxdata() might still return NULL if an out-of-memory +** condition occurred during the sqlite3_set_auxdata() call or if the +** function is being evaluated during query planning rather than during +** query execution. ** -** ^(In practice, metadata is preserved between function calls for +** ^(In practice, auxiliary data is preserved between function calls for ** function parameters that are compile-time constants, including literal ** values and [parameters] and expressions composed from the same.)^ ** @@ -6131,10 +6276,67 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** ** These routines must be called from the same thread in which ** the SQL function is running. +** +** See also: [sqlite3_get_clientdata()] and [sqlite3_set_clientdata()]. */ SQLITE_API void *sqlite3_get_auxdata(sqlite3_context*, int N); SQLITE_API void sqlite3_set_auxdata(sqlite3_context*, int N, void*, void (*)(void*)); +/* +** CAPI3REF: Database Connection Client Data +** METHOD: sqlite3 +** +** These functions are used to associate one or more named pointers +** with a [database connection]. +** A call to sqlite3_set_clientdata(D,N,P,X) causes the pointer P +** to be attached to [database connection] D using name N. Subsequent +** calls to sqlite3_get_clientdata(D,N) will return a copy of pointer P +** or a NULL pointer if there were no prior calls to +** sqlite3_set_clientdata() with the same values of D and N. +** Names are compared using strcmp() and are thus case sensitive. +** +** If P and X are both non-NULL, then the destructor X is invoked with +** argument P on the first of the following occurrences: +** +** +** SQLite does not do anything with client data other than invoke +** destructors on the client data at the appropriate time. The intended +** use for client data is to provide a mechanism for wrapper libraries +** to store additional information about an SQLite database connection. +** +** There is no limit (other than available memory) on the number of different +** client data pointers (with different names) that can be attached to a +** single database connection. However, the implementation is optimized +** for the case of having only one or two different client data names. +** Applications and wrapper libraries are discouraged from using more than +** one client data name each. +** +** There is no way to enumerate the client data pointers +** associated with a database connection. The N parameter can be thought +** of as a secret key such that only code that knows the secret key is able +** to access the associated data. +** +** Security Warning: These interfaces should not be exposed in scripting +** languages or in other circumstances where it might be possible for an +** an attacker to invoke them. Any agent that can invoke these interfaces +** can probably also take control of the process. +** +** Database connection client data is only available for SQLite +** version 3.44.0 ([dateof:3.44.0]) and later. +** +** See also: [sqlite3_set_auxdata()] and [sqlite3_get_auxdata()]. +*/ +SQLITE_API void *sqlite3_get_clientdata(sqlite3*,const char*); +SQLITE_API int sqlite3_set_clientdata(sqlite3*, const char*, void*, void(*)(void*)); /* ** CAPI3REF: Constants Defining Special Destructor Behavior @@ -6336,6 +6538,20 @@ SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); ** higher order bits are discarded. ** The number of subtype bytes preserved by SQLite might increase ** in future releases of SQLite. +** +** Every [application-defined SQL function] that invokes this interface +** should include the [SQLITE_RESULT_SUBTYPE] property in its +** text encoding argument when the SQL function is +** [sqlite3_create_function|registered]. If the [SQLITE_RESULT_SUBTYPE] +** property is omitted from the function that invokes sqlite3_result_subtype(), +** then in some cases the sqlite3_result_subtype() might fail to set +** the result subtype. +** +** If SQLite is compiled with -DSQLITE_STRICT_SUBTYPE=1, then any +** SQL function that invokes the sqlite3_result_subtype() interface +** and that does not have the SQLITE_RESULT_SUBTYPE property will raise +** an error. Future versions of SQLite might enable -DSQLITE_STRICT_SUBTYPE=1 +** by default. */ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); @@ -6507,6 +6723,13 @@ SQLITE_API void sqlite3_activate_cerod( ** of the default VFS is not implemented correctly, or not implemented at ** all, then the behavior of sqlite3_sleep() may deviate from the description ** in the previous paragraphs. +** +** If a negative argument is passed to sqlite3_sleep() the results vary by +** VFS and operating system. Some system treat a negative argument as an +** instruction to sleep forever. Others understand it to mean do not sleep +** at all. ^In SQLite version 3.42.0 and later, a negative +** argument passed into sqlite3_sleep() is changed to zero before it is relayed +** down into the xSleep method of the VFS. */ SQLITE_API int sqlite3_sleep(int); @@ -6760,7 +6983,7 @@ SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName); SQLITE_API int sqlite3_txn_state(sqlite3*,const char *zSchema); /* -** CAPI3REF: Allowed return values from [sqlite3_txn_state()] +** CAPI3REF: Allowed return values from sqlite3_txn_state() ** KEYWORDS: {transaction state} ** ** These constants define the current transaction state of a database file. @@ -6892,7 +7115,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** ^Each call to the sqlite3_autovacuum_pages() interface overrides all ** previous invocations for that database connection. ^If the callback ** argument (C) to sqlite3_autovacuum_pages(D,C,P,X) is a NULL pointer, -** then the autovacuum steps callback is cancelled. The return value +** then the autovacuum steps callback is canceled. The return value ** from sqlite3_autovacuum_pages() is normally SQLITE_OK, but might ** be some other error code if something goes wrong. The current ** implementation will only return SQLITE_OK or SQLITE_MISUSE, but other @@ -7411,6 +7634,10 @@ struct sqlite3_module { /* The methods above are in versions 1 and 2 of the sqlite_module object. ** Those below are for version 3 and greater. */ int (*xShadowName)(const char*); + /* The methods above are in versions 1 through 3 of the sqlite_module object. + ** Those below are for version 4 and greater. */ + int (*xIntegrity)(sqlite3_vtab *pVTab, const char *zSchema, + const char *zTabName, int mFlags, char **pzErr); }; /* @@ -7898,7 +8125,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** code is returned and the transaction rolled back. ** ** Calling this function with an argument that is not a NULL pointer or an -** open blob handle results in undefined behaviour. ^Calling this routine +** open blob handle results in undefined behavior. ^Calling this routine ** with a null pointer (such as would be returned by a failed call to ** [sqlite3_blob_open()]) is a harmless no-op. ^Otherwise, if this function ** is passed a valid open blob handle, the values returned by the @@ -8125,18 +8352,20 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** ** ^(Some systems (for example, Windows 95) do not support the operation ** implemented by sqlite3_mutex_try(). On those systems, sqlite3_mutex_try() -** will always return SQLITE_BUSY. The SQLite core only ever uses -** sqlite3_mutex_try() as an optimization so this is acceptable -** behavior.)^ +** will always return SQLITE_BUSY. In most cases the SQLite core only uses +** sqlite3_mutex_try() as an optimization, so this is acceptable +** behavior. The exceptions are unix builds that set the +** SQLITE_ENABLE_SETLK_TIMEOUT build option. In that case a working +** sqlite3_mutex_try() is required.)^ ** ** ^The sqlite3_mutex_leave() routine exits a mutex that was ** previously entered by the same thread. The behavior ** is undefined if the mutex is not currently entered by the ** calling thread or is not currently allocated. ** -** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), or -** sqlite3_mutex_leave() is a NULL pointer, then all three routines -** behave as no-ops. +** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), +** sqlite3_mutex_leave(), or sqlite3_mutex_free() is a NULL pointer, +** then any of the four routines behaves as a no-op. ** ** See also: [sqlite3_mutex_held()] and [sqlite3_mutex_notheld()]. */ @@ -8378,6 +8607,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_PRNG_SAVE 5 #define SQLITE_TESTCTRL_PRNG_RESTORE 6 #define SQLITE_TESTCTRL_PRNG_RESET 7 /* NOT USED */ +#define SQLITE_TESTCTRL_FK_NO_ACTION 7 #define SQLITE_TESTCTRL_BITVEC_TEST 8 #define SQLITE_TESTCTRL_FAULT_INSTALL 9 #define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS 10 @@ -8385,6 +8615,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_ASSERT 12 #define SQLITE_TESTCTRL_ALWAYS 13 #define SQLITE_TESTCTRL_RESERVE 14 /* NOT USED */ +#define SQLITE_TESTCTRL_JSON_SELFCHECK 14 #define SQLITE_TESTCTRL_OPTIMIZATIONS 15 #define SQLITE_TESTCTRL_ISKEYWORD 16 /* NOT USED */ #define SQLITE_TESTCTRL_SCRATCHMALLOC 17 /* NOT USED */ @@ -8406,7 +8637,8 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_TRACEFLAGS 31 #define SQLITE_TESTCTRL_TUNE 32 #define SQLITE_TESTCTRL_LOGEST 33 -#define SQLITE_TESTCTRL_LAST 33 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -9862,7 +10094,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]
    SQLITE_VTAB_DIRECTONLY
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
    @@ -9870,18 +10102,28 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_INNOCUOUS]]
    SQLITE_VTAB_INNOCUOUS
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** identify that virtual table as being safe to use from within triggers ** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the ** virtual table can do no serious harm even if it is controlled by a ** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS ** flag unless absolutely necessary. **
    +** +** [[SQLITE_VTAB_USES_ALL_SCHEMAS]]
    SQLITE_VTAB_USES_ALL_SCHEMAS
    +**
    Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_USES_ALL_SCHEMA) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implementation +** instruct the query planner to begin at least a read transaction on +** all schemas ("main", "temp", and any ATTACH-ed databases) whenever the +** virtual table is used. +**
    ** */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 #define SQLITE_VTAB_INNOCUOUS 2 #define SQLITE_VTAB_DIRECTONLY 3 +#define SQLITE_VTAB_USES_ALL_SCHEMAS 4 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -10042,7 +10284,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); ** communicated to the xBestIndex method as a ** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use ** this constraint, it must set the corresponding -** aConstraintUsage[].argvIndex to a postive integer. ^(Then, under +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under ** the usual mode of handling IN operators, SQLite generates [bytecode] ** that invokes the [xFilter|xFilter() method] once for each value ** on the right-hand side of the IN operator.)^ Thus the virtual table @@ -10471,7 +10713,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** When the [sqlite3_blob_write()] API is used to update a blob column, ** the pre-update hook is invoked with SQLITE_DELETE. This is because the ** in this case the new values are not available. In this case, when a -** callback made with op==SQLITE_DELETE is actuall a write using the +** callback made with op==SQLITE_DELETE is actually a write using the ** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns ** the index of the column being written. In other cases, where the ** pre-update hook is being invoked for some other reason, including a @@ -10732,6 +10974,13 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** SQLITE_SERIALIZE_NOCOPY bit is set but no contiguous copy ** of the database exists. ** +** After the call, if the SQLITE_SERIALIZE_NOCOPY bit had been set, +** the returned buffer content will remain accessible and unchanged +** until either the next write operation on the connection or when +** the connection is closed, and applications must not modify the +** buffer. If the bit had been clear, the returned buffer will not +** be accessed by SQLite after the call. +** ** A call to sqlite3_serialize(D,S,P,F) might return NULL even if the ** SQLITE_SERIALIZE_NOCOPY bit is omitted from argument F if a memory ** allocation error occurs. @@ -10780,6 +11029,9 @@ SQLITE_API unsigned char *sqlite3_serialize( ** SQLite will try to increase the buffer size using sqlite3_realloc64() ** if writes on the database cause it to grow larger than M bytes. ** +** Applications must not modify the buffer P or invalidate it before +** the database connection D is closed. +** ** The sqlite3_deserialize() interface will fail with SQLITE_BUSY if the ** database is currently in a read transaction or is involved in a backup ** operation. @@ -10788,6 +11040,13 @@ SQLITE_API unsigned char *sqlite3_serialize( ** S argument to sqlite3_deserialize(D,S,P,N,M,F) is "temp" then the ** function returns SQLITE_ERROR. ** +** The deserialized database should not be in [WAL mode]. If the database +** is in WAL mode, then any attempt to use the database file will result +** in an [SQLITE_CANTOPEN] error. The application can set the +** [file format version numbers] (bytes 18 and 19) of the input database P +** to 0x01 prior to invoking sqlite3_deserialize(D,S,P,N,M,F) to force the +** database file into rollback mode and work around this limitation. +** ** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. @@ -11056,16 +11315,20 @@ SQLITE_API int sqlite3session_create( SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); /* -** CAPIREF: Conigure a Session Object +** CAPI3REF: Configure a Session Object ** METHOD: sqlite3_session ** ** This method is used to configure a session object after it has been -** created. At present the only valid value for the second parameter is -** [SQLITE_SESSION_OBJCONFIG_SIZE]. +** created. At present the only valid values for the second parameter are +** [SQLITE_SESSION_OBJCONFIG_SIZE] and [SQLITE_SESSION_OBJCONFIG_ROWID]. ** -** Arguments for sqlite3session_object_config() +*/ +SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); + +/* +** CAPI3REF: Options for sqlite3session_object_config ** -** The following values may passed as the the 4th parameter to +** The following values may passed as the the 2nd parameter to ** sqlite3session_object_config(). ** **
    SQLITE_SESSION_OBJCONFIG_SIZE
    @@ -11081,12 +11344,21 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); ** ** It is an error (SQLITE_MISUSE) to attempt to modify this setting after ** the first table has been attached to the session object. +** +**
    SQLITE_SESSION_OBJCONFIG_ROWID
    +** This option is used to set, clear or query the flag that enables +** collection of data for tables with no explicit PRIMARY KEY. +** +** Normally, tables with no explicit PRIMARY KEY are simply ignored +** by the sessions module. However, if this flag is set, it behaves +** as if such tables have a column "_rowid_ INTEGER PRIMARY KEY" inserted +** as their leftmost columns. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. */ -SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); - -/* -*/ -#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_ROWID 2 /* ** CAPI3REF: Enable Or Disable A Session Object @@ -11847,6 +12119,18 @@ SQLITE_API int sqlite3changeset_concat( ); +/* +** CAPI3REF: Upgrade the Schema of a Changeset/Patchset +*/ +SQLITE_API int sqlite3changeset_upgrade( + sqlite3 *db, + const char *zDb, + int nIn, const void *pIn, /* Input changeset */ + int *pnOut, void **ppOut /* OUT: Inverse of input */ +); + + + /* ** CAPI3REF: Changegroup Handle ** @@ -11893,6 +12177,38 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; */ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); +/* +** CAPI3REF: Add a Schema to a Changegroup +** METHOD: sqlite3_changegroup_schema +** +** This method may be used to optionally enforce the rule that the changesets +** added to the changegroup handle must match the schema of database zDb +** ("main", "temp", or the name of an attached database). If +** sqlite3changegroup_add() is called to add a changeset that is not compatible +** with the configured schema, SQLITE_SCHEMA is returned and the changegroup +** object is left in an undefined state. +** +** A changeset schema is considered compatible with the database schema in +** the same way as for sqlite3changeset_apply(). Specifically, for each +** table in the changeset, there exists a database table with: +** +** +** +** The output of the changegroup object always has the same schema as the +** database nominated using this function. In cases where changesets passed +** to sqlite3changegroup_add() have fewer columns than the corresponding table +** in the database schema, these are filled in using the default column +** values from the database schema. This makes it possible to combined +** changesets that have different numbers of columns for a single table +** within a changegroup, provided that they are otherwise compatible. +*/ +SQLITE_API int sqlite3changegroup_schema(sqlite3_changegroup*, sqlite3*, const char *zDb); + /* ** CAPI3REF: Add A Changeset To A Changegroup ** METHOD: sqlite3_changegroup @@ -11961,13 +12277,18 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** If the new changeset contains changes to a table that is already present ** in the changegroup, then the number of columns and the position of the ** primary key columns for the table must be consistent. If this is not the -** case, this function fails with SQLITE_SCHEMA. If the input changeset -** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is -** returned. Or, if an out-of-memory condition occurs during processing, this -** function returns SQLITE_NOMEM. In all cases, if an error occurs the state -** of the final contents of the changegroup is undefined. +** case, this function fails with SQLITE_SCHEMA. Except, if the changegroup +** object has been configured with a database schema using the +** sqlite3changegroup_schema() API, then it is possible to combine changesets +** with different numbers of columns for a single table, provided that +** they are otherwise compatible. ** -** If no error occurs, SQLITE_OK is returned. +** If the input changeset appears to be corrupt and the corruption is +** detected, SQLITE_CORRUPT is returned. Or, if an out-of-memory condition +** occurs during processing, this function returns SQLITE_NOMEM. +** +** In all cases, if an error occurs the state of the final contents of the +** changegroup is undefined. If no error occurs, SQLITE_OK is returned. */ SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pData); @@ -12219,9 +12540,30 @@ SQLITE_API int sqlite3changeset_apply_v2( ** Invert the changeset before applying it. This is equivalent to inverting ** a changeset using sqlite3changeset_invert() before applying it. It is ** an error to specify this flag with a patchset. +** +**
    SQLITE_CHANGESETAPPLY_IGNORENOOP
    +** Do not invoke the conflict handler callback for any changes that +** would not actually modify the database even if they were applied. +** Specifically, this means that the conflict handler is not invoked +** for: +** +** +**
    SQLITE_CHANGESETAPPLY_FKNOACTION
    +** If this flag it set, then all foreign key constraints in the target +** database behave as if they were declared with "ON UPDATE NO ACTION ON +** DELETE NO ACTION", even if they are actually CASCADE, RESTRICT, SET NULL +** or SET DEFAULT. */ #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 +#define SQLITE_CHANGESETAPPLY_IGNORENOOP 0x0004 +#define SQLITE_CHANGESETAPPLY_FKNOACTION 0x0008 /* ** CAPI3REF: Constants Passed To The Conflict Handler @@ -12787,8 +13129,11 @@ struct Fts5PhraseIter { ** created with the "columnsize=0" option. ** ** xColumnText: -** This function attempts to retrieve the text of column iCol of the -** current document. If successful, (*pz) is set to point to a buffer +** If parameter iCol is less than zero, or greater than or equal to the +** number of columns in the table, SQLITE_RANGE is returned. +** +** Otherwise, this function attempts to retrieve the text of column iCol of +** the current document. If successful, (*pz) is set to point to a buffer ** containing the text in utf-8 encoding, (*pn) is set to the size in bytes ** (not characters) of the buffer and SQLITE_OK is returned. Otherwise, ** if an error occurs, an SQLite error code is returned and the final values @@ -12798,8 +13143,10 @@ struct Fts5PhraseIter { ** Returns the number of phrases in the current query expression. ** ** xPhraseSize: -** Returns the number of tokens in phrase iPhrase of the query. Phrases -** are numbered starting from zero. +** If parameter iCol is less than zero, or greater than or equal to the +** number of phrases in the current query, as returned by xPhraseCount, +** 0 is returned. Otherwise, this function returns the number of tokens in +** phrase iPhrase of the query. Phrases are numbered starting from zero. ** ** xInstCount: ** Set *pnInst to the total number of occurrences of all phrases within @@ -12815,12 +13162,13 @@ struct Fts5PhraseIter { ** Query for the details of phrase match iIdx within the current row. ** Phrase matches are numbered starting from zero, so the iIdx argument ** should be greater than or equal to zero and smaller than the value -** output by xInstCount(). +** output by xInstCount(). If iIdx is less than zero or greater than +** or equal to the value returned by xInstCount(), SQLITE_RANGE is returned. ** -** Usually, output parameter *piPhrase is set to the phrase number, *piCol +** Otherwise, output parameter *piPhrase is set to the phrase number, *piCol ** to the column in which it occurs and *piOff the token offset of the -** first token of the phrase. Returns SQLITE_OK if successful, or an error -** code (i.e. SQLITE_NOMEM) if an error occurs. +** first token of the phrase. SQLITE_OK is returned if successful, or an +** error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the ** "detail=none" or "detail=column" option. @@ -12846,6 +13194,10 @@ struct Fts5PhraseIter { ** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** +** If parameter iPhrase is less than zero, or greater than or equal to +** the number of phrases in the query, as returned by xPhraseCount(), +** this function returns SQLITE_RANGE. +** ** If the callback function returns any value other than SQLITE_OK, the ** query is abandoned and the xQueryPhrase function returns immediately. ** If the returned value is SQLITE_DONE, xQueryPhrase returns SQLITE_OK. @@ -12960,6 +13312,39 @@ struct Fts5PhraseIter { ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. +** +** xQueryToken(pFts5, iPhrase, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase iPhrase of the current +** query. Before returning, output parameter *ppToken is set to point +** to a buffer containing the requested token, and *pnToken to the +** size of this buffer in bytes. +** +** If iPhrase or iToken are less than zero, or if iPhrase is greater than +** or equal to the number of phrases in the query as reported by +** xPhraseCount(), or if iToken is equal to or greater than the number of +** tokens in the phrase, SQLITE_RANGE is returned and *ppToken and *pnToken + are both zeroed. +** +** The output text is not a copy of the query text that specified the +** token. It is the output of the tokenizer module. For tokendata=1 +** tables, this includes any embedded 0x00 and trailing data. +** +** xInstToken(pFts5, iIdx, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase hit iIdx within the +** current row. If iIdx is less than zero or greater than or equal to the +** value returned by xInstCount(), SQLITE_RANGE is returned. Otherwise, +** output variable (*ppToken) is set to point to a buffer containing the +** matching document token, and (*pnToken) to the size of that buffer in +** bytes. This API is not available if the specified token matches a +** prefix query term. In that case both output variables are always set +** to 0. +** +** The output text is not a copy of the document text that was tokenized. +** It is the output of the tokenizer module. For tokendata=1 tables, this +** includes any embedded 0x00 and trailing data. +** +** This API can be quite slow if used with an FTS5 table created with the +** "detail=none" or "detail=column" option. */ struct Fts5ExtensionApi { int iVersion; /* Currently always set to 3 */ @@ -12997,6 +13382,13 @@ struct Fts5ExtensionApi { int (*xPhraseFirstColumn)(Fts5Context*, int iPhrase, Fts5PhraseIter*, int*); void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); + + /* Below this point are iVersion>=3 only */ + int (*xQueryToken)(Fts5Context*, + int iPhrase, int iToken, + const char **ppToken, int *pnToken + ); + int (*xInstToken)(Fts5Context*, int iIdx, int iToken, const char**, int*); }; /* @@ -13191,8 +13583,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -13240,7 +13632,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -13249,7 +13641,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -13257,7 +13649,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -13368,7 +13760,7 @@ struct fts5_api { ** level of recursion for each term. A stack overflow can result ** if the number of terms is too large. In practice, most SQL ** never has more than 3 or 4 terms. Use a value of 0 to disable -** any limit on the number of terms in a compount SELECT. +** any limit on the number of terms in a compound SELECT. */ #ifndef SQLITE_MAX_COMPOUND_SELECT # define SQLITE_MAX_COMPOUND_SELECT 500 @@ -13483,7 +13875,7 @@ struct fts5_api { ** max_page_count macro. */ #ifndef SQLITE_MAX_PAGE_COUNT -# define SQLITE_MAX_PAGE_COUNT 1073741823 +# define SQLITE_MAX_PAGE_COUNT 0xfffffffe /* 4294967294 */ #endif /* @@ -13518,8 +13910,8 @@ struct fts5_api { #endif /* -** WAL mode depends on atomic aligned 32-bit loads and stores in a few -** places. The following macros try to make this explicit. +** A few places in the code require atomic load/store of aligned +** integer values. */ #ifndef __has_extension # define __has_extension(x) 0 /* compatibility with non-clang compilers */ @@ -13575,15 +13967,22 @@ struct fts5_api { #endif /* -** A macro to hint to the compiler that a function should not be +** Macros to hint to the compiler that a function should or should not be ** inlined. */ #if defined(__GNUC__) # define SQLITE_NOINLINE __attribute__((noinline)) +# define SQLITE_INLINE __attribute__((always_inline)) inline #elif defined(_MSC_VER) && _MSC_VER>=1310 # define SQLITE_NOINLINE __declspec(noinline) +# define SQLITE_INLINE __forceinline #else # define SQLITE_NOINLINE +# define SQLITE_INLINE +#endif +#if defined(SQLITE_COVERAGE_TEST) || defined(__STRICT_ANSI__) +# undef SQLITE_INLINE +# define SQLITE_INLINE #endif /* @@ -13605,6 +14004,29 @@ struct fts5_api { # endif #endif +/* +** Enable SQLITE_USE_SEH by default on MSVC builds. Only omit +** SEH support if the -DSQLITE_OMIT_SEH option is given. +*/ +#if defined(_MSC_VER) && !defined(SQLITE_OMIT_SEH) +# define SQLITE_USE_SEH 1 +#else +# undef SQLITE_USE_SEH +#endif + +/* +** Enable SQLITE_DIRECT_OVERFLOW_READ, unless the build explicitly +** disables it using -DSQLITE_DIRECT_OVERFLOW_READ=0 +*/ +#if defined(SQLITE_DIRECT_OVERFLOW_READ) && SQLITE_DIRECT_OVERFLOW_READ+1==1 + /* Disable if -DSQLITE_DIRECT_OVERFLOW_READ=0 */ +# undef SQLITE_DIRECT_OVERFLOW_READ +#else + /* In all other cases, enable */ +# define SQLITE_DIRECT_OVERFLOW_READ 1 +#endif + + /* ** The SQLITE_THREADSAFE macro must be defined as 0, 1, or 2. ** 0 means mutexes are permanently disable and the library is never @@ -14464,8 +14886,31 @@ typedef INT16_TYPE LogEst; ** the end of buffer S. This macro returns true if P points to something ** contained within the buffer S. */ -#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +/* +** P is one byte past the end of a large buffer. Return true if a span of bytes +** between S..E crosses the end of that buffer. In other words, return true +** if the sub-buffer S..E-1 overflows the buffer whose last byte is P-1. +** +** S is the start of the span. E is one byte past the end of end of span. +** +** P +** |-----------------| FALSE +** |-------| +** S E +** +** P +** |-----------------| +** |-------| TRUE +** S E +** +** P +** |-----------------| +** |-------| FALSE +** S E +*/ +#define SQLITE_OVERFLOW(P,S,E) (((uptr)(S)<(uptr)(P))&&((uptr)(E)>(uptr)(P))) /* ** Macros to determine whether the machine is big or little endian, @@ -14475,16 +14920,33 @@ typedef INT16_TYPE LogEst; ** using C-preprocessor macros. If that is unsuccessful, or if ** -DSQLITE_BYTEORDER=0 is set, then byte-order is determined ** at run-time. +** +** If you are building SQLite on some obscure platform for which the +** following ifdef magic does not work, you can always include either: +** +** -DSQLITE_BYTEORDER=1234 +** +** or +** +** -DSQLITE_BYTEORDER=4321 +** +** to cause the build to work for little-endian or big-endian processors, +** respectively. */ -#ifndef SQLITE_BYTEORDER -# if defined(i386) || defined(__i386__) || defined(_M_IX86) || \ +#ifndef SQLITE_BYTEORDER /* Replicate changes at tag-20230904a */ +# if defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ +# define SQLITE_BYTEORDER 4321 +# elif defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ +# define SQLITE_BYTEORDER 1234 +# elif defined(__BIG_ENDIAN__) && __BIG_ENDIAN__==1 +# define SQLITE_BYTEORDER 4321 +# elif defined(i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) -# define SQLITE_BYTEORDER 1234 -# elif defined(sparc) || defined(__ppc__) || \ - defined(__ARMEB__) || defined(__AARCH64EB__) -# define SQLITE_BYTEORDER 4321 +# define SQLITE_BYTEORDER 1234 +# elif defined(sparc) || defined(__ARMEB__) || defined(__AARCH64EB__) +# define SQLITE_BYTEORDER 4321 # else # define SQLITE_BYTEORDER 0 # endif @@ -14699,7 +15161,7 @@ struct BusyHandler { /* ** Name of table that holds the database schema. ** -** The PREFERRED names are used whereever possible. But LEGACY is also +** The PREFERRED names are used wherever possible. But LEGACY is also ** used for backwards compatibility. ** ** 1. Queries can use either the PREFERRED or the LEGACY names @@ -14808,11 +15270,13 @@ typedef struct Column Column; typedef struct Cte Cte; typedef struct CteUse CteUse; typedef struct Db Db; +typedef struct DbClientData DbClientData; typedef struct DbFixer DbFixer; typedef struct Schema Schema; typedef struct Expr Expr; typedef struct ExprList ExprList; typedef struct FKey FKey; +typedef struct FpDecode FpDecode; typedef struct FuncDestructor FuncDestructor; typedef struct FuncDef FuncDef; typedef struct FuncDefHash FuncDefHash; @@ -14831,6 +15295,7 @@ typedef struct Parse Parse; typedef struct ParseCleanup ParseCleanup; typedef struct PreUpdate PreUpdate; typedef struct PrintfArguments PrintfArguments; +typedef struct RCStr RCStr; typedef struct RenameToken RenameToken; typedef struct Returning Returning; typedef struct RowSet RowSet; @@ -15444,7 +15909,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3PagerJrnlFile(Pager*); SQLITE_PRIVATE const char *sqlite3PagerJournalname(Pager*); SQLITE_PRIVATE void *sqlite3PagerTempSpace(Pager*); SQLITE_PRIVATE int sqlite3PagerIsMemdb(Pager*); -SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *, int, int, int *); +SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *, int, int, u64*); SQLITE_PRIVATE void sqlite3PagerClearCache(Pager*); SQLITE_PRIVATE int sqlite3SectorSize(sqlite3_file *); @@ -15468,6 +15933,10 @@ SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); # define enable_simulated_io_errors() #endif +#if defined(SQLITE_USE_SEH) && !defined(SQLITE_OMIT_WAL) +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager*); +#endif + #endif /* SQLITE_PAGER_H */ /************** End of pager.h ***********************************************/ @@ -15797,9 +16266,7 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorPin(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor*); -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*); -#endif SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); @@ -16029,6 +16496,7 @@ typedef struct VdbeOpList VdbeOpList; #define P4_INT64 (-13) /* P4 is a 64-bit signed integer */ #define P4_INTARRAY (-14) /* P4 is a vector of 32-bit integers */ #define P4_FUNCCTX (-15) /* P4 is a pointer to an sqlite3_context object */ +#define P4_TABLEREF (-16) /* Like P4_TABLE, but reference counted */ /* Error message codes for OP_Halt */ #define P5_ConstraintNotNull 1 @@ -16244,19 +16712,22 @@ typedef struct VdbeOpList VdbeOpList; #define OP_VCreate 171 #define OP_VDestroy 172 #define OP_VOpen 173 -#define OP_VInitIn 174 /* synopsis: r[P2]=ValueList(P1,P3) */ -#define OP_VColumn 175 /* synopsis: r[P3]=vcolumn(P2) */ -#define OP_VRename 176 -#define OP_Pagecount 177 -#define OP_MaxPgcnt 178 -#define OP_ClrSubtype 179 /* synopsis: r[P1].subtype = 0 */ -#define OP_FilterAdd 180 /* synopsis: filter(P1) += key(P3@P4) */ -#define OP_Trace 181 -#define OP_CursorHint 182 -#define OP_ReleaseReg 183 /* synopsis: release r[P1@P2] mask P3 */ -#define OP_Noop 184 -#define OP_Explain 185 -#define OP_Abortable 186 +#define OP_VCheck 174 +#define OP_VInitIn 175 /* synopsis: r[P2]=ValueList(P1,P3) */ +#define OP_VColumn 176 /* synopsis: r[P3]=vcolumn(P2) */ +#define OP_VRename 177 +#define OP_Pagecount 178 +#define OP_MaxPgcnt 179 +#define OP_ClrSubtype 180 /* synopsis: r[P1].subtype = 0 */ +#define OP_GetSubtype 181 /* synopsis: r[P2] = r[P1].subtype */ +#define OP_SetSubtype 182 /* synopsis: r[P2].subtype = r[P1] */ +#define OP_FilterAdd 183 /* synopsis: filter(P1) += key(P3@P4) */ +#define OP_Trace 184 +#define OP_CursorHint 185 +#define OP_ReleaseReg 186 /* synopsis: release r[P1@P2] mask P3 */ +#define OP_Noop 187 +#define OP_Explain 188 +#define OP_Abortable 189 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c @@ -16274,7 +16745,7 @@ typedef struct VdbeOpList VdbeOpList; /* 8 */ 0x01, 0x01, 0x01, 0x01, 0x03, 0x03, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x49, 0x49, 0x49,\ /* 24 */ 0x49, 0x01, 0x49, 0x49, 0x49, 0x49, 0x49, 0x49,\ -/* 32 */ 0x41, 0x01, 0x01, 0x01, 0x41, 0x01, 0x41, 0x41,\ +/* 32 */ 0x41, 0x01, 0x41, 0x41, 0x41, 0x01, 0x41, 0x41,\ /* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x23, 0x0b,\ /* 48 */ 0x01, 0x01, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ /* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01, 0x41,\ @@ -16286,14 +16757,14 @@ typedef struct VdbeOpList VdbeOpList; /* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\ /* 112 */ 0x40, 0x00, 0x12, 0x40, 0x40, 0x10, 0x40, 0x00,\ /* 120 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10, 0x10,\ -/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,\ +/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50,\ /* 136 */ 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50, 0x40,\ /* 144 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ /* 152 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\ /* 160 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x50, 0x40,\ -/* 176 */ 0x00, 0x10, 0x10, 0x02, 0x00, 0x00, 0x00, 0x00,\ -/* 184 */ 0x00, 0x00, 0x00,} +/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x10, 0x50,\ +/* 176 */ 0x40, 0x00, 0x10, 0x10, 0x02, 0x12, 0x12, 0x00,\ +/* 184 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} /* The resolve3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum @@ -16468,7 +16939,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** The VdbeCoverage macros are used to set a coverage testing point ** for VDBE branch instructions. The coverage testing points are line ** numbers in the sqlite3.c source file. VDBE branch coverage testing -** only works with an amalagmation build. That's ok since a VDBE branch +** only works with an amalgamation build. That's ok since a VDBE branch ** coverage build designed for testing the test suite only. No application ** should ever ship with VDBE branch coverage measuring turned on. ** @@ -16486,7 +16957,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** // NULL option is not possible ** ** VdbeCoverageEqNe(v) // Previous OP_Jump is only interested -** // in distingishing equal and not-equal. +** // in distinguishing equal and not-equal. ** ** Every VDBE branch operation must be tagged with one of the macros above. ** If not, then when "make test" is run with -DSQLITE_VDBE_COVERAGE and @@ -16496,7 +16967,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** During testing, the test application will invoke ** sqlite3_test_control(SQLITE_TESTCTRL_VDBE_COVERAGE,...) to set a callback ** routine that is invoked as each bytecode branch is taken. The callback -** contains the sqlite3.c source line number ov the VdbeCoverage macro and +** contains the sqlite3.c source line number of the VdbeCoverage macro and ** flags to indicate whether or not the branch was taken. The test application ** is responsible for keeping track of this and reporting byte-code branches ** that are never taken. @@ -16544,6 +17015,10 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters(Vdbe*, int, int, int); SQLITE_PRIVATE void sqlite3VdbePrintOp(FILE*, int, VdbeOp*); #endif +#if defined(SQLITE_ENABLE_CURSOR_HINTS) && defined(SQLITE_DEBUG) +SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr); +#endif + #endif /* SQLITE_VDBE_H */ /************** End of vdbe.h ************************************************/ @@ -16831,7 +17306,7 @@ SQLITE_API int sqlite3_mutex_held(sqlite3_mutex*); /* ** Default synchronous levels. ** -** Note that (for historcal reasons) the PAGER_SYNCHRONOUS_* macros differ +** Note that (for historical reasons) the PAGER_SYNCHRONOUS_* macros differ ** from the SQLITE_DEFAULT_SYNCHRONOUS value by 1. ** ** PAGER_SYNCHRONOUS DEFAULT_SYNCHRONOUS @@ -16870,7 +17345,7 @@ struct Db { ** An instance of the following structure stores a database schema. ** ** Most Schema objects are associated with a Btree. The exception is -** the Schema for the TEMP databaes (sqlite3.aDb[1]) which is free-standing. +** the Schema for the TEMP database (sqlite3.aDb[1]) which is free-standing. ** In shared cache mode, a single Schema object can be shared by multiple ** Btrees that refer to the same underlying BtShared object. ** @@ -16981,7 +17456,7 @@ struct Lookaside { LookasideSlot *pInit; /* List of buffers not previously used */ LookasideSlot *pFree; /* List of available buffers */ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE - LookasideSlot *pSmallInit; /* List of small buffers not prediously used */ + LookasideSlot *pSmallInit; /* List of small buffers not previously used */ LookasideSlot *pSmallFree; /* List of available small buffers */ void *pMiddle; /* First byte past end of full-size buffers and ** the first byte of LOOKASIDE_SMALL buffers */ @@ -16998,7 +17473,7 @@ struct LookasideSlot { #define EnableLookaside db->lookaside.bDisable--;\ db->lookaside.sz=db->lookaside.bDisable?0:db->lookaside.szTrue -/* Size of the smaller allocations in two-size lookside */ +/* Size of the smaller allocations in two-size lookaside */ #ifdef SQLITE_OMIT_TWOSIZE_LOOKASIDE # define LOOKASIDE_SMALL 0 #else @@ -17198,6 +17673,7 @@ struct sqlite3 { i64 nDeferredCons; /* Net deferred constraints this transaction. */ i64 nDeferredImmCons; /* Net deferred immediate constraints */ int *pnBytesFreed; /* If not NULL, increment this in DbFree() */ + DbClientData *pDbData; /* sqlite3_set_clientdata() content */ #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY /* The following variables are all protected by the STATIC_MAIN ** mutex, not by sqlite3.mutex. They are used by code in notify.c. @@ -17253,7 +17729,7 @@ struct sqlite3 { #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ #define SQLITE_IgnoreChecks 0x00000200 /* Do not enforce check constraints */ -#define SQLITE_ReadUncommit 0x00000400 /* READ UNCOMMITTED in shared-cache */ +#define SQLITE_StmtScanStatus 0x00000400 /* Enable stmt_scanstats() counters */ #define SQLITE_NoCkptOnClose 0x00000800 /* No checkpoint on close()/DETACH */ #define SQLITE_ReverseOrder 0x00001000 /* Reverse unordered SELECTs */ #define SQLITE_RecTriggers 0x00002000 /* Enable recursive triggers */ @@ -17279,6 +17755,8 @@ struct sqlite3 { /* DELETE, or UPDATE and return */ /* the count using a callback. */ #define SQLITE_CorruptRdOnly HI(0x00002) /* Prohibit writes due to error */ +#define SQLITE_ReadUncommit HI(0x00004) /* READ UNCOMMITTED in shared-cache */ +#define SQLITE_FkNoAction HI(0x00008) /* Treat all FK as NO ACTION */ /* Flags used only if debugging */ #ifdef SQLITE_DEBUG @@ -17335,6 +17813,8 @@ struct sqlite3 { /* TH3 expects this value ^^^^^^^^^^ See flatten04.test */ #define SQLITE_IndexedExpr 0x01000000 /* Pull exprs from index when able */ #define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ +#define SQLITE_NullUnusedCols 0x04000000 /* NULL unused columns in subqueries */ +#define SQLITE_OnePass 0x08000000 /* Single-pass DELETE and UPDATE */ #define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* @@ -17417,6 +17897,7 @@ struct FuncDestructor { ** SQLITE_FUNC_ANYORDER == NC_OrderAgg == SF_OrderByReqd ** SQLITE_FUNC_LENGTH == OPFLAG_LENGTHARG ** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG +** SQLITE_FUNC_BYTELEN == OPFLAG_BYTELENARG ** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API ** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API ** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS -- opposite meanings!!! @@ -17424,7 +17905,7 @@ struct FuncDestructor { ** ** Note that even though SQLITE_FUNC_UNSAFE and SQLITE_INNOCUOUS have the ** same bit value, their meanings are inverted. SQLITE_FUNC_UNSAFE is -** used internally and if set means tha the function has side effects. +** used internally and if set means that the function has side effects. ** SQLITE_INNOCUOUS is used by application code and means "not unsafe". ** See multiple instances of tag-20230109-1. */ @@ -17435,6 +17916,7 @@ struct FuncDestructor { #define SQLITE_FUNC_NEEDCOLL 0x0020 /* sqlite3GetFuncCollSeq() might be called*/ #define SQLITE_FUNC_LENGTH 0x0040 /* Built-in length() function */ #define SQLITE_FUNC_TYPEOF 0x0080 /* Built-in typeof() function */ +#define SQLITE_FUNC_BYTELEN 0x00c0 /* Built-in octet_length() function */ #define SQLITE_FUNC_COUNT 0x0100 /* Built-in count(*) aggregate */ /* 0x0200 -- available for reuse */ #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */ @@ -17443,14 +17925,15 @@ struct FuncDestructor { #define SQLITE_FUNC_SLOCHNG 0x2000 /* "Slow Change". Value constant during a ** single query - might change over time */ #define SQLITE_FUNC_TEST 0x4000 /* Built-in testing functions */ -/* 0x8000 -- available for reuse */ +#define SQLITE_FUNC_RUNONLY 0x8000 /* Cannot be used by valueFromFunction */ #define SQLITE_FUNC_WINDOW 0x00010000 /* Built-in window-only function */ #define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */ #define SQLITE_FUNC_DIRECT 0x00080000 /* Not for use in TRIGGERs or VIEWs */ -#define SQLITE_FUNC_SUBTYPE 0x00100000 /* Result likely to have sub-type */ +/* SQLITE_SUBTYPE 0x00100000 // Consumer of subtypes */ #define SQLITE_FUNC_UNSAFE 0x00200000 /* Function has side effects */ #define SQLITE_FUNC_INLINE 0x00400000 /* Functions implemented in-line */ #define SQLITE_FUNC_BUILTIN 0x00800000 /* This is a built-in function */ +/* SQLITE_RESULT_SUBTYPE 0x01000000 // Generator of subtypes */ #define SQLITE_FUNC_ANYORDER 0x08000000 /* count/min/max aggregate */ /* Identifier numbers for each in-line function */ @@ -17542,10 +18025,11 @@ struct FuncDestructor { #define MFUNCTION(zName, nArg, xPtr, xFunc) \ {nArg, SQLITE_FUNC_BUILTIN|SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ xPtr, 0, xFunc, 0, 0, 0, #zName, {0} } -#define JFUNCTION(zName, nArg, iArg, xFunc) \ - {nArg, SQLITE_FUNC_BUILTIN|SQLITE_DETERMINISTIC|\ - SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ - SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } +#define JFUNCTION(zName, nArg, bUseCache, bWS, bRS, bJsonB, iArg, xFunc) \ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_DETERMINISTIC|SQLITE_FUNC_CONSTANT|\ + SQLITE_UTF8|((bUseCache)*SQLITE_FUNC_RUNONLY)|\ + ((bRS)*SQLITE_SUBTYPE)|((bWS)*SQLITE_RESULT_SUBTYPE), \ + SQLITE_INT_TO_PTR(iArg|((bJsonB)*JSON_BLOB)),0,xFunc,0, 0, 0, #zName, {0} } #define INLINE_FUNC(zName, nArg, iArg, mFlags) \ {nArg, SQLITE_FUNC_BUILTIN|\ SQLITE_UTF8|SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ @@ -17806,6 +18290,7 @@ struct VTable { sqlite3_vtab *pVtab; /* Pointer to vtab instance */ int nRef; /* Number of pointers to this structure */ u8 bConstraint; /* True if constraints are supported */ + u8 bAllSchemas; /* True if might use any attached schema */ u8 eVtabRisk; /* Riskiness of allowing hacker access */ int iSavepoint; /* Depth of the SAVEPOINT stack */ VTable *pNext; /* Next in linked list (see above) */ @@ -18013,7 +18498,7 @@ struct FKey { ** foreign key. ** ** The OE_Default value is a place holder that means to use whatever -** conflict resolution algorthm is required from context. +** conflict resolution algorithm is required from context. ** ** The following symbolic values are used to record which type ** of conflict resolution action to take. @@ -18179,6 +18664,7 @@ struct Index { unsigned isCovering:1; /* True if this is a covering index */ unsigned noSkipScan:1; /* Do not try to use skip-scan if true */ unsigned hasStat1:1; /* aiRowLogEst values come from sqlite_stat1 */ + unsigned bLowQual:1; /* sqlite_stat1 says this is a low-quality index */ unsigned bNoQuery:1; /* Do not use this index to optimize queries */ unsigned bAscKeyBug:1; /* True if the bba7b69f9849b5bf bug applies */ unsigned bHasVCol:1; /* Index references one or more VIRTUAL columns */ @@ -18186,6 +18672,7 @@ struct Index { ** expression, or a reference to a VIRTUAL column */ #ifdef SQLITE_ENABLE_STAT4 int nSample; /* Number of elements in aSample[] */ + int mxSample; /* Number of slots allocated to aSample[] */ int nSampleCol; /* Size of IndexSample.anEq[] and so on */ tRowcnt *aAvgEq; /* Average nEq values for keys not in aSample */ IndexSample *aSample; /* Samples of the left-most key */ @@ -18288,6 +18775,10 @@ struct AggInfo { FuncDef *pFunc; /* The aggregate function implementation */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ int iDistAddr; /* Address of OP_OpenEphemeral */ + int iOBTab; /* Ephemeral table to implement ORDER BY */ + u8 bOBPayload; /* iOBTab has payload columns separate from key */ + u8 bOBUnique; /* Enforce uniqueness on iOBTab keys */ + u8 bUseSubtype; /* Transfer subtype info through sorter */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ u32 selId; /* Select to which this AggInfo belongs */ @@ -18426,7 +18917,7 @@ struct Expr { ** TK_REGISTER: register number ** TK_TRIGGER: 1 -> new, 0 -> old ** EP_Unlikely: 134217728 times likelihood - ** TK_IN: ephemerial table holding RHS + ** TK_IN: ephemeral table holding RHS ** TK_SELECT_COLUMN: Number of columns on the LHS ** TK_SELECT: 1st register of result vector */ ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid. @@ -18472,7 +18963,7 @@ struct Expr { #define EP_Reduced 0x004000 /* Expr struct EXPR_REDUCEDSIZE bytes only */ #define EP_Win 0x008000 /* Contains window functions */ #define EP_TokenOnly 0x010000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ - /* 0x020000 // Available for reuse */ +#define EP_FullSize 0x020000 /* Expr structure must remain full sized */ #define EP_IfNullRow 0x040000 /* The TK_IF_NULL_ROW opcode */ #define EP_Unlikely 0x080000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x100000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ @@ -18502,12 +18993,15 @@ struct Expr { #define ExprClearProperty(E,P) (E)->flags&=~(P) #define ExprAlwaysTrue(E) (((E)->flags&(EP_OuterON|EP_IsTrue))==EP_IsTrue) #define ExprAlwaysFalse(E) (((E)->flags&(EP_OuterON|EP_IsFalse))==EP_IsFalse) +#define ExprIsFullSize(E) (((E)->flags&(EP_Reduced|EP_TokenOnly))==0) /* Macros used to ensure that the correct members of unions are accessed ** in Expr. */ #define ExprUseUToken(E) (((E)->flags&EP_IntValue)==0) #define ExprUseUValue(E) (((E)->flags&EP_IntValue)!=0) +#define ExprUseWOfst(E) (((E)->flags&(EP_InnerON|EP_OuterON))==0) +#define ExprUseWJoin(E) (((E)->flags&(EP_InnerON|EP_OuterON))!=0) #define ExprUseXList(E) (((E)->flags&EP_xIsSelect)==0) #define ExprUseXSelect(E) (((E)->flags&EP_xIsSelect)!=0) #define ExprUseYTab(E) (((E)->flags&(EP_WinFunc|EP_Subrtn))==0) @@ -18617,6 +19111,7 @@ struct ExprList { #define ENAME_NAME 0 /* The AS clause of a result set */ #define ENAME_SPAN 1 /* Complete text of the result set expression */ #define ENAME_TAB 2 /* "DB.TABLE.NAME" for the result set */ +#define ENAME_ROWID 3 /* "DB.TABLE._rowid_" for * expansion of rowid */ /* ** An instance of this structure can hold a simple list of identifiers, @@ -18696,7 +19191,7 @@ struct SrcItem { unsigned notCte :1; /* This item may not match a CTE */ unsigned isUsing :1; /* u3.pUsing is valid */ unsigned isOn :1; /* u3.pOn was once valid and non-NULL */ - unsigned isSynthUsing :1; /* u3.pUsing is synthensized from NATURAL */ + unsigned isSynthUsing :1; /* u3.pUsing is synthesized from NATURAL */ unsigned isNestedFrom :1; /* pSelect is a SF_NestedFrom subquery */ } fg; int iCursor; /* The VDBE cursor number used to access this table */ @@ -18817,6 +19312,7 @@ struct NameContext { int nRef; /* Number of names resolved by this context */ int nNcErr; /* Number of errors encountered while resolving names */ int ncFlags; /* Zero or more NC_* flags defined below */ + u32 nNestedSelect; /* Number of nested selects using this NC */ Select *pWinSelect; /* SELECT statement for any window functions */ }; @@ -19225,6 +19721,7 @@ struct Parse { int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ IndexedExpr *pIdxEpr;/* List of expressions used by active indexes */ + IndexedExpr *pIdxPartExpr; /* Exprs constrained by index WHERE clauses */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ yDbMask cookieMask; /* Bitmask of schema verified databases */ @@ -19232,6 +19729,9 @@ struct Parse { int regRoot; /* Register holding root page number for new objects */ int nMaxArg; /* Max args passed to user function by sub-program */ int nSelect; /* Number of SELECT stmts. Counter for Select.selId */ +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ +#endif #ifndef SQLITE_OMIT_SHARED_CACHE int nTableLock; /* Number of locks in aTableLock */ TableLock *aTableLock; /* Required table locks for shared-cache mode */ @@ -19245,12 +19745,9 @@ struct Parse { int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */ Returning *pReturning; /* The RETURNING clause */ } u1; - u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ u32 newmask; /* Mask of new.* columns referenced */ -#ifndef SQLITE_OMIT_PROGRESS_CALLBACK - u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ -#endif + LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ u8 bReturning; /* Coding a RETURNING trigger */ u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ @@ -19374,6 +19871,7 @@ struct AuthContext { #define OPFLAG_ISNOOP 0x40 /* OP_Delete does pre-update-hook only */ #define OPFLAG_LENGTHARG 0x40 /* OP_Column only used for length() */ #define OPFLAG_TYPEOFARG 0x80 /* OP_Column only used for typeof() */ +#define OPFLAG_BYTELENARG 0xc0 /* OP_Column only for octet_length() */ #define OPFLAG_BULKCSR 0x01 /* OP_Open** used to open bulk cursor */ #define OPFLAG_SEEKEQ 0x02 /* OP_Open** cursor uses EQ seek only */ #define OPFLAG_FORDELETE 0x08 /* OP_Open should use BTREE_FORDELETE */ @@ -19495,6 +19993,7 @@ struct Returning { int iRetCur; /* Transient table holding RETURNING results */ int nRetCol; /* Number of in pReturnEL after expansion */ int iRetReg; /* Register array for holding a row of RETURNING */ + char zName[40]; /* Name of trigger: "sqlite_returning_%p" */ }; /* @@ -19516,6 +20015,28 @@ struct sqlite3_str { #define isMalloced(X) (((X)->printfFlags & SQLITE_PRINTF_MALLOCED)!=0) +/* +** The following object is the header for an "RCStr" or "reference-counted +** string". An RCStr is passed around and used like any other char* +** that has been dynamically allocated. The important interface +** differences: +** +** 1. RCStr strings are reference counted. They are deallocated +** when the reference count reaches zero. +** +** 2. Use sqlite3RCStrUnref() to free an RCStr string rather than +** sqlite3_free() +** +** 3. Make a (read-only) copy of a read-only RCStr string using +** sqlite3RCStrRef(). +** +** "String" is in the name, but an RCStr object can also be used to hold +** binary data. +*/ +struct RCStr { + u64 nRCRef; /* Number of references */ + /* Total structure size should be a multiple of 8 bytes for alignment */ +}; /* ** A pointer to this structure is used to communicate information @@ -19542,7 +20063,7 @@ typedef struct { /* Tuning parameters are set using SQLITE_TESTCTRL_TUNE and are controlled ** on debug-builds of the CLI using ".testctrl tune ID VALUE". Tuning ** parameters are for temporary use during development, to help find -** optimial values for parameters in the query planner. The should not +** optimal values for parameters in the query planner. The should not ** be used on trunk check-ins. They are a temporary mechanism available ** for transient development builds only. ** @@ -19568,6 +20089,10 @@ struct Sqlite3Config { u8 bUseCis; /* Use covering indices for full-scans */ u8 bSmallMalloc; /* Avoid large memory allocations if true */ u8 bExtraSchemaChecks; /* Verify type,name,tbl_name in schema */ + u8 bUseLongDouble; /* Make use of long double */ +#ifdef SQLITE_DEBUG + u8 bJsonSelfcheck; /* Double-check JSON parsing */ +#endif int mxStrlen; /* Maximum string length */ int neverCorrupt; /* Database is always well-formed */ int szLookaside; /* Default lookaside buffer size */ @@ -19654,6 +20179,7 @@ struct Walker { void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ int walkerDepth; /* Number of subqueries */ u16 eCode; /* A small processing code */ + u16 mWFlags; /* Use-dependent flags */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ int n; /* A counter */ @@ -19672,6 +20198,7 @@ struct Walker { struct CoveringIndexCheck *pCovIdxCk; /* Check for covering index */ SrcItem *pSrcItem; /* A single FROM clause item */ DbFixer *pFix; /* See sqlite3FixSelect() */ + Mem *aMem; /* See sqlite3BtreeCursorHint() */ } u; }; @@ -19692,6 +20219,7 @@ struct DbFixer { /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); +SQLITE_PRIVATE int sqlite3WalkExprNN(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); @@ -19772,6 +20300,16 @@ struct CteUse { }; +/* Client data associated with sqlite3_set_clientdata() and +** sqlite3_get_clientdata(). +*/ +struct DbClientData { + DbClientData *pNext; /* Next in a linked list */ + void *pData; /* The data */ + void (*xDestructor)(void*); /* Destructor. Might be NULL */ + char zName[1]; /* Name of this client data. MUST BE LAST */ +}; + #ifdef SQLITE_DEBUG /* ** An instance of the TreeView object is used for printing the content of @@ -19941,6 +20479,8 @@ SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define sqlite3Isxdigit(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x08) # define sqlite3Tolower(x) (sqlite3UpperToLower[(unsigned char)(x)]) # define sqlite3Isquote(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x80) +# define sqlite3JsonId1(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x42) +# define sqlite3JsonId2(x) (sqlite3CtypeMap[(unsigned char)(x)]&0x46) #else # define sqlite3Toupper(x) toupper((unsigned char)(x)) # define sqlite3Isspace(x) isspace((unsigned char)(x)) @@ -19950,6 +20490,8 @@ SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define sqlite3Isxdigit(x) isxdigit((unsigned char)(x)) # define sqlite3Tolower(x) tolower((unsigned char)(x)) # define sqlite3Isquote(x) ((x)=='"'||(x)=='\''||(x)=='['||(x)=='`') +# define sqlite3JsonId1(x) (sqlite3IsIdChar(x)&&(x)<'0') +# define sqlite3JsonId2(x) sqlite3IsIdChar(x) #endif SQLITE_PRIVATE int sqlite3IsIdChar(u8); @@ -20069,6 +20611,20 @@ struct PrintfArguments { sqlite3_value **apArg; /* The argument values */ }; +/* +** An instance of this object receives the decoding of a floating point +** value into an approximate decimal representation. +*/ +struct FpDecode { + char sign; /* '+' or '-' */ + char isSpecial; /* 1: Infinity 2: NaN */ + int n; /* Significant digits in the decode */ + int iDP; /* Location of the decimal point */ + char *z; /* Start of significant digits */ + char zBuf[24]; /* Storage for significant digits */ +}; + +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode*,double,int,int); SQLITE_PRIVATE char *sqlite3MPrintf(sqlite3*,const char*, ...); SQLITE_PRIVATE char *sqlite3VMPrintf(sqlite3*,const char*, va_list); #if defined(SQLITE_DEBUG) || defined(SQLITE_HAVE_OS_TRACE) @@ -20143,6 +20699,10 @@ SQLITE_PRIVATE void sqlite3ReleaseTempReg(Parse*,int); SQLITE_PRIVATE int sqlite3GetTempRange(Parse*,int); SQLITE_PRIVATE void sqlite3ReleaseTempRange(Parse*,int,int); SQLITE_PRIVATE void sqlite3ClearTempRegCache(Parse*); +SQLITE_PRIVATE void sqlite3TouchRegister(Parse*,int); +#if defined(SQLITE_ENABLE_STAT4) || defined(SQLITE_DEBUG) +SQLITE_PRIVATE int sqlite3FirstAvailableRegister(Parse*,int); +#endif #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse*,int,int); #endif @@ -20154,9 +20714,12 @@ SQLITE_PRIVATE void sqlite3PExprAddSelect(Parse*, Expr*, Select*); SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse*,Expr*, Expr*); SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr*); SQLITE_PRIVATE Expr *sqlite3ExprFunction(Parse*,ExprList*, const Token*, int); +SQLITE_PRIVATE void sqlite3ExprAddFunctionOrderBy(Parse*,Expr*,ExprList*); +SQLITE_PRIVATE void sqlite3ExprOrderByAggregateError(Parse*,Expr*); SQLITE_PRIVATE void sqlite3ExprFunctionUsable(Parse*,const Expr*,const FuncDef*); SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse*, Expr*, u32); SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3*, Expr*); +SQLITE_PRIVATE void sqlite3ExprDeleteGeneric(sqlite3*,void*); SQLITE_PRIVATE void sqlite3ExprDeferredDelete(Parse*, Expr*); SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse*, Expr*); SQLITE_PRIVATE ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*); @@ -20166,6 +20729,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList*,int,int); SQLITE_PRIVATE void sqlite3ExprListSetName(Parse*,ExprList*,const Token*,int); SQLITE_PRIVATE void sqlite3ExprListSetSpan(Parse*,ExprList*,const char*,const char*); SQLITE_PRIVATE void sqlite3ExprListDelete(sqlite3*, ExprList*); +SQLITE_PRIVATE void sqlite3ExprListDeleteGeneric(sqlite3*,void*); SQLITE_PRIVATE u32 sqlite3ExprListFlags(const ExprList*); SQLITE_PRIVATE int sqlite3IndexHasDuplicateRootPage(Index*); SQLITE_PRIVATE int sqlite3Init(sqlite3*, char**); @@ -20256,6 +20820,7 @@ SQLITE_PRIVATE int sqlite3DbMaskAllZero(yDbMask); SQLITE_PRIVATE void sqlite3DropTable(Parse*, SrcList*, int, int); SQLITE_PRIVATE void sqlite3CodeDropTable(Parse*, Table*, int, int); SQLITE_PRIVATE void sqlite3DeleteTable(sqlite3*, Table*); +SQLITE_PRIVATE void sqlite3DeleteTableGeneric(sqlite3*, void*); SQLITE_PRIVATE void sqlite3FreeIndex(sqlite3*, Index*); #ifndef SQLITE_OMIT_AUTOINCREMENT SQLITE_PRIVATE void sqlite3AutoincrementBegin(Parse *pParse); @@ -20292,8 +20857,9 @@ SQLITE_PRIVATE int sqlite3Select(Parse*, Select*, SelectDest*); SQLITE_PRIVATE Select *sqlite3SelectNew(Parse*,ExprList*,SrcList*,Expr*,ExprList*, Expr*,ExprList*,u32,Expr*); SQLITE_PRIVATE void sqlite3SelectDelete(sqlite3*, Select*); +SQLITE_PRIVATE void sqlite3SelectDeleteGeneric(sqlite3*,void*); SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse*, SrcList*); -SQLITE_PRIVATE int sqlite3IsReadOnly(Parse*, Table*, int); +SQLITE_PRIVATE int sqlite3IsReadOnly(Parse*, Table*, Trigger*); SQLITE_PRIVATE void sqlite3OpenTable(Parse*, int iCur, int iDb, Table*, int); #if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY) SQLITE_PRIVATE Expr *sqlite3LimitWhere(Parse*,SrcList*,Expr*,ExprList*,Expr*,char*); @@ -20355,7 +20921,7 @@ SQLITE_PRIVATE int sqlite3ExprCompare(const Parse*,const Expr*,const Expr*, int) SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*,Expr*,int); SQLITE_PRIVATE int sqlite3ExprListCompare(const ExprList*,const ExprList*, int); SQLITE_PRIVATE int sqlite3ExprImpliesExpr(const Parse*,const Expr*,const Expr*, int); -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int); +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int,int); SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); @@ -20382,7 +20948,7 @@ SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstantOrFunction(Expr*, u8); SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*); SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr*,int); -SQLITE_PRIVATE int sqlite3ExprIsTableConstraint(Expr*,const SrcItem*); +SQLITE_PRIVATE int sqlite3ExprIsSingleTableConstraint(Expr*,const SrcList*,int); #ifdef SQLITE_ENABLE_CURSOR_HINTS SQLITE_PRIVATE int sqlite3ExprContainsSubquery(Expr*); #endif @@ -20390,6 +20956,7 @@ SQLITE_PRIVATE int sqlite3ExprIsInteger(const Expr*, int*); SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr*); SQLITE_PRIVATE int sqlite3ExprNeedsNoAffinityChange(const Expr*, char); SQLITE_PRIVATE int sqlite3IsRowid(const char*); +SQLITE_PRIVATE const char *sqlite3RowidAlias(Table *pTab); SQLITE_PRIVATE void sqlite3GenerateRowDelete( Parse*,Table*,Trigger*,int,int,int,i16,u8,u8,u8,int); SQLITE_PRIVATE void sqlite3GenerateRowIndexDelete(Parse*, Table*, int, int, int*, int); @@ -20504,6 +21071,7 @@ SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); + SQLITE_PRIVATE int sqlite3RealSameAsInt(double,sqlite3_int64); SQLITE_PRIVATE i64 sqlite3RealToI64(double); SQLITE_PRIVATE int sqlite3Int64ToText(i64,char*); @@ -20516,6 +21084,7 @@ SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar); #endif SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *pData, int nByte); SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**); +SQLITE_PRIVATE int sqlite3Utf8ReadLimited(const u8*, int, u32*); SQLITE_PRIVATE LogEst sqlite3LogEst(u64); SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst); SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double); @@ -20608,6 +21177,7 @@ SQLITE_PRIVATE void sqlite3FileSuffix3(const char*, char*); SQLITE_PRIVATE u8 sqlite3GetBoolean(const char *z,u8); SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value*, void(*)(void*)); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); @@ -20659,7 +21229,8 @@ SQLITE_PRIVATE int sqlite3MatchEName( const struct ExprList_item*, const char*, const char*, - const char* + const char*, + int* ); SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr*); SQLITE_PRIVATE u8 sqlite3StrIHash(const char*); @@ -20715,6 +21286,11 @@ SQLITE_PRIVATE void sqlite3OomClear(sqlite3*); SQLITE_PRIVATE int sqlite3ApiExit(sqlite3 *db, int); SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *); +SQLITE_PRIVATE char *sqlite3RCStrRef(char*); +SQLITE_PRIVATE void sqlite3RCStrUnref(void*); +SQLITE_PRIVATE char *sqlite3RCStrNew(u64); +SQLITE_PRIVATE char *sqlite3RCStrResize(char*,u64); + SQLITE_PRIVATE void sqlite3StrAccumInit(StrAccum*, sqlite3*, char*, int, int); SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum*, i64); SQLITE_PRIVATE char *sqlite3StrAccumFinish(StrAccum*); @@ -20830,10 +21406,7 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3*, int, const char *); SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *, VTable *); SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*); -#if (defined(SQLITE_ENABLE_DBPAGE_VTAB) || defined(SQLITE_TEST)) \ - && !defined(SQLITE_OMIT_VIRTUALTABLE) -SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(sqlite3_index_info*); -#endif +SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(Parse*); SQLITE_PRIVATE sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context*); SQLITE_PRIVATE int sqlite3VdbeParameterIndex(Vdbe*, const char*, int); SQLITE_PRIVATE int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *); @@ -20858,6 +21431,7 @@ SQLITE_PRIVATE Cte *sqlite3CteNew(Parse*,Token*,ExprList*,Select*,u8); SQLITE_PRIVATE void sqlite3CteDelete(sqlite3*,Cte*); SQLITE_PRIVATE With *sqlite3WithAdd(Parse*,With*,Cte*); SQLITE_PRIVATE void sqlite3WithDelete(sqlite3*,With*); +SQLITE_PRIVATE void sqlite3WithDeleteGeneric(sqlite3*,void*); SQLITE_PRIVATE With *sqlite3WithPush(Parse*, With*, u8); #else # define sqlite3CteNew(P,T,E,S) ((void*)0) @@ -20969,6 +21543,7 @@ SQLITE_PRIVATE int sqlite3ExprCheckHeight(Parse*, int); #define sqlite3SelectExprHeight(x) 0 #define sqlite3ExprCheckHeight(x,y) #endif +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr*,int); SQLITE_PRIVATE u32 sqlite3Get4byte(const u8*); SQLITE_PRIVATE void sqlite3Put4byte(u8*, u32); @@ -21080,6 +21655,12 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void); SQLITE_PRIVATE sqlite3_uint64 sqlite3Hwtime(void); #endif +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS +# define IS_STMT_SCANSTATUS(db) (db->flags & SQLITE_StmtScanStatus) +#else +# define IS_STMT_SCANSTATUS(db) 0 +#endif + #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ @@ -21248,9 +21829,6 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_4_BYTE_ALIGNED_MALLOC "4_BYTE_ALIGNED_MALLOC", #endif -#ifdef SQLITE_64BIT_STATS - "64BIT_STATS", -#endif #ifdef SQLITE_ALLOW_COVERING_INDEX_SCAN # if SQLITE_ALLOW_COVERING_INDEX_SCAN != 1 "ALLOW_COVERING_INDEX_SCAN=" CTIMEOPT_VAL(SQLITE_ALLOW_COVERING_INDEX_SCAN), @@ -21546,6 +22124,9 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_EXPLAIN_ESTIMATED_ROWS "EXPLAIN_ESTIMATED_ROWS", #endif +#ifdef SQLITE_EXTRA_AUTOEXT + "EXTRA_AUTOEXT=" CTIMEOPT_VAL(SQLITE_EXTRA_AUTOEXT), +#endif #ifdef SQLITE_EXTRA_IFNULLROW "EXTRA_IFNULLROW", #endif @@ -21587,6 +22168,9 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), #endif +#ifdef SQLITE_LEGACY_JSON_VALID + "LEGACY_JSON_VALID", +#endif #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS "LIKE_DOESNT_MATCH_BLOBS", #endif @@ -21824,6 +22408,9 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS "OMIT_SCHEMA_VERSION_PRAGMAS", #endif +#ifdef SQLITE_OMIT_SEH + "OMIT_SEH", +#endif #ifdef SQLITE_OMIT_SHARED_CACHE "OMIT_SHARED_CACHE", #endif @@ -22075,7 +22662,7 @@ SQLITE_PRIVATE const unsigned char *sqlite3aGTb = &sqlite3UpperToLower[256+12-OP ** isalnum() 0x06 ** isxdigit() 0x08 ** toupper() 0x20 -** SQLite identifier character 0x40 +** SQLite identifier character 0x40 $, _, or non-ascii ** Quote character 0x80 ** ** Bit 0x20 is set if the mapped character requires translation to upper @@ -22221,6 +22808,10 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { SQLITE_ALLOW_COVERING_INDEX_SCAN, /* bUseCis */ 0, /* bSmallMalloc */ 1, /* bExtraSchemaChecks */ + sizeof(LONGDOUBLE_TYPE)>8, /* bUseLongDouble */ +#ifdef SQLITE_DEBUG + 0, /* bJsonSelfcheck */ +#endif 0x7ffffffe, /* mxStrlen */ 0, /* neverCorrupt */ SQLITE_DEFAULT_LOOKASIDE, /* szLookaside, nLookaside */ @@ -22269,7 +22860,7 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { SQLITE_DEFAULT_SORTERREF_SIZE, /* szSorterRef */ 0, /* iPrngSeed */ #ifdef SQLITE_DEBUG - {0,0,0,0,0,0} /* aTune */ + {0,0,0,0,0,0}, /* aTune */ #endif }; @@ -22450,6 +23041,9 @@ typedef struct VdbeSorter VdbeSorter; /* Elements of the linked list at Vdbe.pAuxData */ typedef struct AuxData AuxData; +/* A cache of large TEXT or BLOB values in a VdbeCursor */ +typedef struct VdbeTxtBlbCache VdbeTxtBlbCache; + /* Types of VDBE cursors */ #define CURTYPE_BTREE 0 #define CURTYPE_SORTER 1 @@ -22481,6 +23075,7 @@ struct VdbeCursor { Bool useRandomRowid:1; /* Generate new record numbers semi-randomly */ Bool isOrdered:1; /* True if the table is not BTREE_UNORDERED */ Bool noReuse:1; /* OpenEphemeral may not reuse this cursor */ + Bool colCache:1; /* pCache pointer is initialized and non-NULL */ u16 seekHit; /* See the OP_SeekHit and OP_IfNoHope opcodes */ union { /* pBtx for isEphermeral. pAltMap otherwise */ Btree *pBtx; /* Separate file holding temporary table */ @@ -22521,6 +23116,7 @@ struct VdbeCursor { #ifdef SQLITE_ENABLE_COLUMN_USED_MASK u64 maskUsed; /* Mask of columns used by this cursor */ #endif + VdbeTxtBlbCache *pCache; /* Cache of large TEXT or BLOB values */ /* 2*nField extra array elements allocated for aType[], beyond the one ** static element declared in the structure. nField total array slots for @@ -22533,12 +23129,25 @@ struct VdbeCursor { #define IsNullCursor(P) \ ((P)->eCurType==CURTYPE_PSEUDO && (P)->nullRow && (P)->seekResult==0) - /* ** A value for VdbeCursor.cacheStatus that means the cache is always invalid. */ #define CACHE_STALE 0 +/* +** Large TEXT or BLOB values can be slow to load, so we want to avoid +** loading them more than once. For that reason, large TEXT and BLOB values +** can be stored in a cache defined by this object, and attached to the +** VdbeCursor using the pCache field. +*/ +struct VdbeTxtBlbCache { + char *pCValue; /* A RCStr buffer to hold the value */ + i64 iOffset; /* File offset of the row being cached */ + int iCol; /* Column for which the cache is valid */ + u32 cacheStatus; /* Vdbe.cacheCtr value */ + u32 colCacheCtr; /* Column cache counter */ +}; + /* ** When a sub-program is executed (OP_Program), a structure of this type ** is allocated to store the current value of the program counter, as @@ -22859,16 +23468,18 @@ struct Vdbe { u32 nWrite; /* Number of write operations that have occurred */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ + u16 nResAlloc; /* Column slots allocated to aColName[] */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ u8 eVdbeState; /* On of the VDBE_*_STATE values */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ - bft explain:2; /* True if EXPLAIN present on SQL command */ + bft explain:2; /* 0: normal, 1: EXPLAIN, 2: EXPLAIN QUERY PLAN */ bft changeCntOn:1; /* True to update the change-counter */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ + bft haveEqpOps:1; /* Bytecode supports EXPLAIN QUERY PLAN */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ u32 aCounter[9]; /* Counters used by sqlite3_stmt_status() */ @@ -22915,7 +23526,7 @@ struct PreUpdate { i64 iKey1; /* First key value passed to hook */ i64 iKey2; /* Second key value passed to hook */ Mem *aNew; /* Array of new.* values */ - Table *pTab; /* Schema object being upated */ + Table *pTab; /* Schema object being updated */ Index *pPk; /* PK index if pTab is WITHOUT ROWID */ }; @@ -23005,6 +23616,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetZeroBlob(Mem*,int); SQLITE_PRIVATE int sqlite3VdbeMemIsRowSet(const Mem*); #endif SQLITE_PRIVATE int sqlite3VdbeMemSetRowSet(Mem*); +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); SQLITE_PRIVATE int sqlite3IntFloatCompare(i64,double); @@ -23452,7 +24064,7 @@ SQLITE_API int sqlite3_db_status( case SQLITE_DBSTATUS_CACHE_MISS: case SQLITE_DBSTATUS_CACHE_WRITE:{ int i; - int nRet = 0; + u64 nRet = 0; assert( SQLITE_DBSTATUS_CACHE_MISS==SQLITE_DBSTATUS_CACHE_HIT+1 ); assert( SQLITE_DBSTATUS_CACHE_WRITE==SQLITE_DBSTATUS_CACHE_HIT+2 ); @@ -23465,7 +24077,7 @@ SQLITE_API int sqlite3_db_status( *pHighwater = 0; /* IMP: R-42420-56072 */ /* IMP: R-54100-20147 */ /* IMP: R-29431-39229 */ - *pCurrent = nRet; + *pCurrent = (int)nRet & 0x7fffffff; break; } @@ -23568,6 +24180,7 @@ struct DateTime { char validTZ; /* True (1) if tz is valid */ char tzSet; /* Timezone was set explicitly */ char isError; /* An overflow has occurred */ + char useSubsec; /* Display subsecond precision */ }; @@ -23600,8 +24213,8 @@ struct DateTime { */ static int getDigits(const char *zDate, const char *zFormat, ...){ /* The aMx[] array translates the 3rd character of each format - ** spec into a max size: a b c d e f */ - static const u16 aMx[] = { 12, 14, 24, 31, 59, 9999 }; + ** spec into a max size: a b c d e f */ + static const u16 aMx[] = { 12, 14, 24, 31, 59, 14712 }; va_list ap; int cnt = 0; char nextC; @@ -23882,6 +24495,11 @@ static int parseDateOrTime( }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8)>0 ){ setRawDateNumber(p, r); return 0; + }else if( (sqlite3StrICmp(zDate,"subsec")==0 + || sqlite3StrICmp(zDate,"subsecond")==0) + && sqlite3NotPureFunc(context) ){ + p->useSubsec = 1; + return setDateTimeToCurrent(context, p); } return 1; } @@ -23937,17 +24555,14 @@ static void computeYMD(DateTime *p){ ** Compute the Hour, Minute, and Seconds from the julian day number. */ static void computeHMS(DateTime *p){ - int s; + int day_ms, day_min; /* milliseconds, minutes into the day */ if( p->validHMS ) return; computeJD(p); - s = (int)((p->iJD + 43200000) % 86400000); - p->s = s/1000.0; - s = (int)p->s; - p->s -= s; - p->h = s/3600; - s -= p->h*3600; - p->m = s/60; - p->s += s - p->m*60; + day_ms = (int)((p->iJD + 43200000) % 86400000); + p->s = (day_ms % 60000)/1000.0; + day_min = day_ms/60000; + p->m = day_min % 60; + p->h = day_min / 60; p->rawS = 0; p->validHMS = 1; } @@ -24126,6 +24741,25 @@ static const struct { { 4, "year", 14713.0, 31536000.0 }, }; +/* +** If the DateTime p is raw number, try to figure out if it is +** a julian day number of a unix timestamp. Set the p value +** appropriately. +*/ +static void autoAdjustDate(DateTime *p){ + if( !p->rawS || p->validJD ){ + p->rawS = 0; + }else if( p->s>=-21086676*(i64)10000 /* -4713-11-24 12:00:00 */ + && p->s<=(25340230*(i64)10000)+799 /* 9999-12-31 23:59:59 */ + ){ + double r = p->s*1000.0 + 210866760000000.0; + clearYMD_HMS_TZ(p); + p->iJD = (sqlite3_int64)(r + 0.5); + p->validJD = 1; + p->rawS = 0; + } +} + /* ** Process a modifier to a date-time stamp. The modifiers are ** as follows: @@ -24169,19 +24803,8 @@ static int parseModifier( */ if( sqlite3_stricmp(z, "auto")==0 ){ if( idx>1 ) return 1; /* IMP: R-33611-57934 */ - if( !p->rawS || p->validJD ){ - rc = 0; - p->rawS = 0; - }else if( p->s>=-21086676*(i64)10000 /* -4713-11-24 12:00:00 */ - && p->s<=(25340230*(i64)10000)+799 /* 9999-12-31 23:59:59 */ - ){ - r = p->s*1000.0 + 210866760000000.0; - clearYMD_HMS_TZ(p); - p->iJD = (sqlite3_int64)(r + 0.5); - p->validJD = 1; - p->rawS = 0; - rc = 0; - } + autoAdjustDate(p); + rc = 0; } break; } @@ -24296,8 +24919,22 @@ static int parseModifier( ** ** Move the date backwards to the beginning of the current day, ** or month or year. + ** + ** subsecond + ** subsec + ** + ** Show subsecond precision in the output of datetime() and + ** unixepoch() and strftime('%s'). */ - if( sqlite3_strnicmp(z, "start of ", 9)!=0 ) break; + if( sqlite3_strnicmp(z, "start of ", 9)!=0 ){ + if( sqlite3_stricmp(z, "subsec")==0 + || sqlite3_stricmp(z, "subsecond")==0 + ){ + p->useSubsec = 1; + rc = 0; + } + break; + } if( !p->validJD && !p->validYMD && !p->validHMS ) break; z += 9; computeYMD(p); @@ -24333,18 +24970,73 @@ static int parseModifier( case '9': { double rRounder; int i; - for(n=1; z[n] && z[n]!=':' && !sqlite3Isspace(z[n]); n++){} + int Y,M,D,h,m,x; + const char *z2 = z; + char z0 = z[0]; + for(n=1; z[n]; n++){ + if( z[n]==':' ) break; + if( sqlite3Isspace(z[n]) ) break; + if( z[n]=='-' ){ + if( n==5 && getDigits(&z[1], "40f", &Y)==1 ) break; + if( n==6 && getDigits(&z[1], "50f", &Y)==1 ) break; + } + } if( sqlite3AtoF(z, &r, n, SQLITE_UTF8)<=0 ){ - rc = 1; + assert( rc==1 ); break; } - if( z[n]==':' ){ + if( z[n]=='-' ){ + /* A modifier of the form (+|-)YYYY-MM-DD adds or subtracts the + ** specified number of years, months, and days. MM is limited to + ** the range 0-11 and DD is limited to 0-30. + */ + if( z0!='+' && z0!='-' ) break; /* Must start with +/- */ + if( n==5 ){ + if( getDigits(&z[1], "40f-20a-20d", &Y, &M, &D)!=3 ) break; + }else{ + assert( n==6 ); + if( getDigits(&z[1], "50f-20a-20d", &Y, &M, &D)!=3 ) break; + z++; + } + if( M>=12 ) break; /* M range 0..11 */ + if( D>=31 ) break; /* D range 0..30 */ + computeYMD_HMS(p); + p->validJD = 0; + if( z0=='-' ){ + p->Y -= Y; + p->M -= M; + D = -D; + }else{ + p->Y += Y; + p->M += M; + } + x = p->M>0 ? (p->M-1)/12 : (p->M-12)/12; + p->Y += x; + p->M -= x*12; + computeJD(p); + p->validHMS = 0; + p->validYMD = 0; + p->iJD += (i64)D*86400000; + if( z[11]==0 ){ + rc = 0; + break; + } + if( sqlite3Isspace(z[11]) + && getDigits(&z[12], "20c:20e", &h, &m)==2 + ){ + z2 = &z[12]; + n = 2; + }else{ + break; + } + } + if( z2[n]==':' ){ /* A modifier of the form (+|-)HH:MM:SS.FFF adds (or subtracts) the ** specified number of hours, minutes, seconds, and fractional seconds ** to the time. The ".FFF" may be omitted. The ":SS.FFF" may be ** omitted. */ - const char *z2 = z; + DateTime tx; sqlite3_int64 day; if( !sqlite3Isdigit(*z2) ) z2++; @@ -24354,7 +25046,7 @@ static int parseModifier( tx.iJD -= 43200000; day = tx.iJD/86400000; tx.iJD -= day*86400000; - if( z[0]=='-' ) tx.iJD = -tx.iJD; + if( z0=='-' ) tx.iJD = -tx.iJD; computeJD(p); clearYMD_HMS_TZ(p); p->iJD += tx.iJD; @@ -24370,7 +25062,7 @@ static int parseModifier( if( n>10 || n<3 ) break; if( sqlite3UpperToLower[(u8)z[n-1]]=='s' ) n--; computeJD(p); - rc = 1; + assert( rc==1 ); rRounder = r<0 ? -0.5 : +0.5; for(i=0; iM += (int)r; @@ -24455,6 +25146,12 @@ static int isDate( } computeJD(p); if( p->isError || !validJulianDay(p->iJD) ) return 1; + if( argc==1 && p->validYMD && p->D>28 ){ + /* Make sure a YYYY-MM-DD is normalized. + ** Example: 2023-02-31 -> 2023-03-03 */ + assert( p->validJD ); + p->validYMD = 0; + } return 0; } @@ -24495,7 +25192,11 @@ static void unixepochFunc( DateTime x; if( isDate(context, argc, argv, &x)==0 ){ computeJD(&x); - sqlite3_result_int64(context, x.iJD/1000 - 21086676*(i64)10000); + if( x.useSubsec ){ + sqlite3_result_double(context, (x.iJD - 21086676*(i64)10000000)/1000.0); + }else{ + sqlite3_result_int64(context, x.iJD/1000 - 21086676*(i64)10000); + } } } @@ -24511,8 +25212,8 @@ static void datetimeFunc( ){ DateTime x; if( isDate(context, argc, argv, &x)==0 ){ - int Y, s; - char zBuf[24]; + int Y, s, n; + char zBuf[32]; computeYMD_HMS(&x); Y = x.Y; if( Y<0 ) Y = -Y; @@ -24533,15 +25234,28 @@ static void datetimeFunc( zBuf[15] = '0' + (x.m/10)%10; zBuf[16] = '0' + (x.m)%10; zBuf[17] = ':'; - s = (int)x.s; - zBuf[18] = '0' + (s/10)%10; - zBuf[19] = '0' + (s)%10; - zBuf[20] = 0; + if( x.useSubsec ){ + s = (int)(1000.0*x.s + 0.5); + zBuf[18] = '0' + (s/10000)%10; + zBuf[19] = '0' + (s/1000)%10; + zBuf[20] = '.'; + zBuf[21] = '0' + (s/100)%10; + zBuf[22] = '0' + (s/10)%10; + zBuf[23] = '0' + (s)%10; + zBuf[24] = 0; + n = 24; + }else{ + s = (int)x.s; + zBuf[18] = '0' + (s/10)%10; + zBuf[19] = '0' + (s)%10; + zBuf[20] = 0; + n = 20; + } if( x.Y<0 ){ zBuf[0] = '-'; - sqlite3_result_text(context, zBuf, 20, SQLITE_TRANSIENT); + sqlite3_result_text(context, zBuf, n, SQLITE_TRANSIENT); }else{ - sqlite3_result_text(context, &zBuf[1], 19, SQLITE_TRANSIENT); + sqlite3_result_text(context, &zBuf[1], n-1, SQLITE_TRANSIENT); } } } @@ -24558,7 +25272,7 @@ static void timeFunc( ){ DateTime x; if( isDate(context, argc, argv, &x)==0 ){ - int s; + int s, n; char zBuf[16]; computeHMS(&x); zBuf[0] = '0' + (x.h/10)%10; @@ -24567,11 +25281,24 @@ static void timeFunc( zBuf[3] = '0' + (x.m/10)%10; zBuf[4] = '0' + (x.m)%10; zBuf[5] = ':'; - s = (int)x.s; - zBuf[6] = '0' + (s/10)%10; - zBuf[7] = '0' + (s)%10; - zBuf[8] = 0; - sqlite3_result_text(context, zBuf, 8, SQLITE_TRANSIENT); + if( x.useSubsec ){ + s = (int)(1000.0*x.s + 0.5); + zBuf[6] = '0' + (s/10000)%10; + zBuf[7] = '0' + (s/1000)%10; + zBuf[8] = '.'; + zBuf[9] = '0' + (s/100)%10; + zBuf[10] = '0' + (s/10)%10; + zBuf[11] = '0' + (s)%10; + zBuf[12] = 0; + n = 12; + }else{ + s = (int)x.s; + zBuf[6] = '0' + (s/10)%10; + zBuf[7] = '0' + (s)%10; + zBuf[8] = 0; + n = 8; + } + sqlite3_result_text(context, zBuf, n, SQLITE_TRANSIENT); } } @@ -24626,7 +25353,7 @@ static void dateFunc( ** %M minute 00-59 ** %s seconds since 1970-01-01 ** %S seconds 00-59 -** %w day of week 0-6 sunday==0 +** %w day of week 0-6 Sunday==0 ** %W week of year 00-53 ** %Y year 0000-9999 ** %% % @@ -24652,13 +25379,16 @@ static void strftimeFunc( computeJD(&x); computeYMD_HMS(&x); for(i=j=0; zFmt[i]; i++){ + char cf; if( zFmt[i]!='%' ) continue; if( j12 ) h -= 12; + if( h==0 ) h = 12; + sqlite3_str_appendf(&sRes, cf=='I' ? "%02d" : "%2d", h); break; } case 'W': /* Fall thru */ @@ -24680,7 +25423,7 @@ static void strftimeFunc( y.D = 1; computeJD(&y); nDay = (int)((x.iJD-y.iJD+43200000)/86400000); - if( zFmt[i]=='W' ){ + if( cf=='W' ){ int wd; /* 0=Monday, 1=Tuesday, ... 6=Sunday */ wd = (int)(((x.iJD+43200000)/86400000)%7); sqlite3_str_appendf(&sRes,"%02d",(nDay+7-wd)/7); @@ -24701,18 +25444,42 @@ static void strftimeFunc( sqlite3_str_appendf(&sRes,"%02d",x.m); break; } + case 'p': /* Fall thru */ + case 'P': { + if( x.h>=12 ){ + sqlite3_str_append(&sRes, cf=='p' ? "PM" : "pm", 2); + }else{ + sqlite3_str_append(&sRes, cf=='p' ? "AM" : "am", 2); + } + break; + } + case 'R': { + sqlite3_str_appendf(&sRes, "%02d:%02d", x.h, x.m); + break; + } case 's': { - i64 iS = (i64)(x.iJD/1000 - 21086676*(i64)10000); - sqlite3_str_appendf(&sRes,"%lld",iS); + if( x.useSubsec ){ + sqlite3_str_appendf(&sRes,"%.3f", + (x.iJD - 21086676*(i64)10000000)/1000.0); + }else{ + i64 iS = (i64)(x.iJD/1000 - 21086676*(i64)10000); + sqlite3_str_appendf(&sRes,"%lld",iS); + } break; } case 'S': { sqlite3_str_appendf(&sRes,"%02d",(int)x.s); break; } + case 'T': { + sqlite3_str_appendf(&sRes,"%02d:%02d:%02d", x.h, x.m, (int)x.s); + break; + } + case 'u': /* Fall thru */ case 'w': { - sqlite3_str_appendchar(&sRes, 1, - (char)(((x.iJD+129600000)/86400000) % 7) + '0'); + char c = (char)(((x.iJD+129600000)/86400000) % 7) + '0'; + if( c=='0' && cf=='u' ) c = '7'; + sqlite3_str_appendchar(&sRes, 1, c); break; } case 'Y': { @@ -24761,6 +25528,117 @@ static void cdateFunc( dateFunc(context, 0, 0); } +/* +** timediff(DATE1, DATE2) +** +** Return the amount of time that must be added to DATE2 in order to +** convert it into DATE2. The time difference format is: +** +** +YYYY-MM-DD HH:MM:SS.SSS +** +** The initial "+" becomes "-" if DATE1 occurs before DATE2. For +** date/time values A and B, the following invariant should hold: +** +** datetime(A) == (datetime(B, timediff(A,B)) +** +** Both DATE arguments must be either a julian day number, or an +** ISO-8601 string. The unix timestamps are not supported by this +** routine. +*/ +static void timediffFunc( + sqlite3_context *context, + int NotUsed1, + sqlite3_value **argv +){ + char sign; + int Y, M; + DateTime d1, d2; + sqlite3_str sRes; + UNUSED_PARAMETER(NotUsed1); + if( isDate(context, 1, &argv[0], &d1) ) return; + if( isDate(context, 1, &argv[1], &d2) ) return; + computeYMD_HMS(&d1); + computeYMD_HMS(&d2); + if( d1.iJD>=d2.iJD ){ + sign = '+'; + Y = d1.Y - d2.Y; + if( Y ){ + d2.Y = d1.Y; + d2.validJD = 0; + computeJD(&d2); + } + M = d1.M - d2.M; + if( M<0 ){ + Y--; + M += 12; + } + if( M!=0 ){ + d2.M = d1.M; + d2.validJD = 0; + computeJD(&d2); + } + while( d1.iJDd2.iJD ){ + M--; + if( M<0 ){ + M = 11; + Y--; + } + d2.M++; + if( d2.M>12 ){ + d2.M = 1; + d2.Y++; + } + d2.validJD = 0; + computeJD(&d2); + } + d1.iJD = d2.iJD - d1.iJD; + d1.iJD += (u64)1486995408 * (u64)100000; + } + d1.validYMD = 0; + d1.validHMS = 0; + d1.validTZ = 0; + computeYMD_HMS(&d1); + sqlite3StrAccumInit(&sRes, 0, 0, 0, 100); + sqlite3_str_appendf(&sRes, "%c%04d-%02d-%02d %02d:%02d:%06.3f", + sign, Y, M, d1.D-1, d1.h, d1.m, d1.s); + sqlite3ResultStrAccum(context, &sRes); +} + + /* ** current_timestamp() ** @@ -24835,6 +25713,7 @@ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ PURE_DATE(time, -1, 0, 0, timeFunc ), PURE_DATE(datetime, -1, 0, 0, datetimeFunc ), PURE_DATE(strftime, -1, 0, 0, strftimeFunc ), + PURE_DATE(timediff, 2, 0, 0, timediffFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), @@ -24988,7 +25867,7 @@ SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){ /* Faults are not injected into COMMIT_PHASETWO because, assuming SQLite ** is using a regular VFS, it is called after the corresponding ** transaction has been committed. Injecting a fault at this point - ** confuses the test scripts - the COMMIT comand returns SQLITE_NOMEM + ** confuses the test scripts - the COMMIT command returns SQLITE_NOMEM ** but the transaction is committed anyway. ** ** The core must call OsFileControl() though, not OsFileControlHint(), @@ -25609,7 +26488,7 @@ static void *sqlite3MemMalloc(int nByte){ ** or sqlite3MemRealloc(). ** ** For this low-level routine, we already know that pPrior!=0 since -** cases where pPrior==0 will have been intecepted and dealt with +** cases where pPrior==0 will have been intercepted and dealt with ** by higher-level routines. */ static void sqlite3MemFree(void *pPrior){ @@ -25697,7 +26576,7 @@ static int sqlite3MemInit(void *NotUsed){ return SQLITE_OK; } len = sizeof(cpuCount); - /* One usually wants to use hw.acctivecpu for MT decisions, but not here */ + /* One usually wants to use hw.activecpu for MT decisions, but not here */ sysctlbyname("hw.ncpu", &cpuCount, &len, NULL, 0); if( cpuCount>1 ){ /* defer MT decisions to system malloc */ @@ -27689,7 +28568,7 @@ static void checkMutexFree(sqlite3_mutex *p){ assert( SQLITE_MUTEX_FAST<2 ); assert( SQLITE_MUTEX_WARNONCONTENTION<2 ); -#if SQLITE_ENABLE_API_ARMOR +#ifdef SQLITE_ENABLE_API_ARMOR if( ((CheckMutex*)p)->iType<2 ) #endif { @@ -28164,7 +29043,7 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ /* ** The sqlite3_mutex.id, sqlite3_mutex.nRef, and sqlite3_mutex.owner fields -** are necessary under two condidtions: (1) Debug builds and (2) using +** are necessary under two conditions: (1) Debug builds and (2) using ** home-grown mutexes. Encapsulate these conditions into a single #define. */ #if defined(SQLITE_DEBUG) || defined(SQLITE_HOMEGROWN_RECURSIVE_MUTEX) @@ -28361,7 +29240,7 @@ static sqlite3_mutex *pthreadMutexAlloc(int iType){ */ static void pthreadMutexFree(sqlite3_mutex *p){ assert( p->nRef==0 ); -#if SQLITE_ENABLE_API_ARMOR +#ifdef SQLITE_ENABLE_API_ARMOR if( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE ) #endif { @@ -28665,7 +29544,7 @@ struct sqlite3_mutex { CRITICAL_SECTION mutex; /* Mutex controlling the lock */ int id; /* Mutex type */ #ifdef SQLITE_DEBUG - volatile int nRef; /* Number of enterances */ + volatile int nRef; /* Number of entrances */ volatile DWORD owner; /* Thread holding this mutex */ volatile LONG trace; /* True to trace changes */ #endif @@ -28714,7 +29593,7 @@ SQLITE_PRIVATE void sqlite3MemoryBarrier(void){ SQLITE_MEMORY_BARRIER; #elif defined(__GNUC__) __sync_synchronize(); -#elif MSVC_VERSION>=1300 +#elif MSVC_VERSION>=1400 _ReadWriteBarrier(); #elif defined(MemoryBarrier) MemoryBarrier(); @@ -29925,7 +30804,7 @@ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){ if( db->mallocFailed || rc ){ return apiHandleError(db, rc); } - return rc & db->errMask; + return 0; } /************** End of malloc.c **********************************************/ @@ -30037,43 +30916,6 @@ static const et_info fmtinfo[] = { ** %!S Like %S but prefer the zName over the zAlias */ -/* Floating point constants used for rounding */ -static const double arRound[] = { - 5.0e-01, 5.0e-02, 5.0e-03, 5.0e-04, 5.0e-05, - 5.0e-06, 5.0e-07, 5.0e-08, 5.0e-09, 5.0e-10, -}; - -/* -** If SQLITE_OMIT_FLOATING_POINT is defined, then none of the floating point -** conversions will work. -*/ -#ifndef SQLITE_OMIT_FLOATING_POINT -/* -** "*val" is a double such that 0.1 <= *val < 10.0 -** Return the ascii code for the leading digit of *val, then -** multiply "*val" by 10.0 to renormalize. -** -** Example: -** input: *val = 3.14159 -** output: *val = 1.4159 function return = '3' -** -** The counter *cnt is incremented each time. After counter exceeds -** 16 (the number of significant digits in a 64-bit float) '0' is -** always returned. -*/ -static char et_getdigit(LONGDOUBLE_TYPE *val, int *cnt){ - int digit; - LONGDOUBLE_TYPE d; - if( (*cnt)<=0 ) return '0'; - (*cnt)--; - digit = (int)*val; - d = digit; - digit += '0'; - *val = (*val - d)*10.0; - return (char)digit; -} -#endif /* SQLITE_OMIT_FLOATING_POINT */ - /* ** Set the StrAccum object to an error mode. */ @@ -30165,18 +31007,15 @@ SQLITE_API void sqlite3_str_vappendf( u8 bArgList; /* True for SQLITE_PRINTF_SQLFUNC */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ sqlite_uint64 longvalue; /* Value for integer types */ - LONGDOUBLE_TYPE realvalue; /* Value for real types */ + double realvalue; /* Value for real types */ const et_info *infop; /* Pointer to the appropriate info structure */ char *zOut; /* Rendering buffer */ int nOut; /* Size of the rendering buffer */ char *zExtra = 0; /* Malloced memory used by some conversion */ -#ifndef SQLITE_OMIT_FLOATING_POINT - int exp, e2; /* exponent of real numbers */ - int nsd; /* Number of significant digits returned */ - double rounder; /* Used for rounding floating point values */ + int exp, e2; /* exponent of real numbers */ etByte flag_dp; /* True if decimal point should be shown */ etByte flag_rtz; /* True if trailing zeros should be removed */ -#endif + PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */ char buf[etBUFSIZE]; /* Conversion buffer */ @@ -30451,73 +31290,66 @@ SQLITE_API void sqlite3_str_vappendf( break; case etFLOAT: case etEXP: - case etGENERIC: + case etGENERIC: { + FpDecode s; + int iRound; + int j; + if( bArgList ){ realvalue = getDoubleArg(pArgList); }else{ realvalue = va_arg(ap,double); } -#ifdef SQLITE_OMIT_FLOATING_POINT - length = 0; -#else if( precision<0 ) precision = 6; /* Set default precision */ #ifdef SQLITE_FP_PRECISION_LIMIT if( precision>SQLITE_FP_PRECISION_LIMIT ){ precision = SQLITE_FP_PRECISION_LIMIT; } #endif - if( realvalue<0.0 ){ - realvalue = -realvalue; + if( xtype==etFLOAT ){ + iRound = -precision; + }else if( xtype==etGENERIC ){ + iRound = precision; + }else{ + iRound = precision+1; + } + sqlite3FpDecode(&s, realvalue, iRound, flag_altform2 ? 26 : 16); + if( s.isSpecial ){ + if( s.isSpecial==2 ){ + bufpt = flag_zeropad ? "null" : "NaN"; + length = sqlite3Strlen30(bufpt); + break; + }else if( flag_zeropad ){ + s.z[0] = '9'; + s.iDP = 1000; + s.n = 1; + }else{ + memcpy(buf, "-Inf", 5); + bufpt = buf; + if( s.sign=='-' ){ + /* no-op */ + }else if( flag_prefix ){ + buf[0] = flag_prefix; + }else{ + bufpt++; + } + length = sqlite3Strlen30(bufpt); + break; + } + } + if( s.sign=='-' ){ prefix = '-'; }else{ prefix = flag_prefix; } + + exp = s.iDP-1; if( xtype==etGENERIC && precision>0 ) precision--; - testcase( precision>0xfff ); - idx = precision & 0xfff; - rounder = arRound[idx%10]; - while( idx>=10 ){ rounder *= 1.0e-10; idx -= 10; } - if( xtype==etFLOAT ){ - double rx = (double)realvalue; - sqlite3_uint64 u; - int ex; - memcpy(&u, &rx, sizeof(u)); - ex = -1023 + (int)((u>>52)&0x7ff); - if( precision+(ex/3) < 15 ) rounder += realvalue*3e-16; - realvalue += rounder; - } - /* Normalize realvalue to within 10.0 > realvalue >= 1.0 */ - exp = 0; - if( sqlite3IsNaN((double)realvalue) ){ - bufpt = "NaN"; - length = 3; - break; - } - if( realvalue>0.0 ){ - LONGDOUBLE_TYPE scale = 1.0; - while( realvalue>=1e100*scale && exp<=350 ){ scale *= 1e100;exp+=100;} - while( realvalue>=1e10*scale && exp<=350 ){ scale *= 1e10; exp+=10; } - while( realvalue>=10.0*scale && exp<=350 ){ scale *= 10.0; exp++; } - realvalue /= scale; - while( realvalue<1e-8 ){ realvalue *= 1e8; exp-=8; } - while( realvalue<1.0 ){ realvalue *= 10.0; exp--; } - if( exp>350 ){ - bufpt = buf; - buf[0] = prefix; - memcpy(buf+(prefix!=0),"Inf",4); - length = 3+(prefix!=0); - break; - } - } - bufpt = buf; + /* ** If the field type is etGENERIC, then convert to either etEXP ** or etFLOAT, as appropriate. */ - if( xtype!=etFLOAT ){ - realvalue += rounder; - if( realvalue>=10.0 ){ realvalue *= 0.1; exp++; } - } if( xtype==etGENERIC ){ flag_rtz = !flag_alternateform; if( exp<-4 || exp>precision ){ @@ -30532,29 +31364,32 @@ SQLITE_API void sqlite3_str_vappendf( if( xtype==etEXP ){ e2 = 0; }else{ - e2 = exp; + e2 = s.iDP - 1; } + bufpt = buf; { i64 szBufNeeded; /* Size of a temporary buffer needed */ szBufNeeded = MAX(e2,0)+(i64)precision+(i64)width+15; + if( cThousand && e2>0 ) szBufNeeded += (e2+2)/3; if( szBufNeeded > etBUFSIZE ){ bufpt = zExtra = printfTempBuf(pAccum, szBufNeeded); if( bufpt==0 ) return; } } zOut = bufpt; - nsd = 16 + flag_altform2*10; flag_dp = (precision>0 ?1:0) | flag_alternateform | flag_altform2; /* The sign in front of the number */ if( prefix ){ *(bufpt++) = prefix; } /* Digits prior to the decimal point */ + j = 0; if( e2<0 ){ *(bufpt++) = '0'; }else{ for(; e2>=0; e2--){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); + *(bufpt++) = j1 ) *(bufpt++) = ','; } } /* The decimal point */ @@ -30563,13 +31398,12 @@ SQLITE_API void sqlite3_str_vappendf( } /* "0" digits after the decimal point but before the first ** significant digit of the number */ - for(e2++; e2<0; precision--, e2++){ - assert( precision>0 ); + for(e2++; e2<0 && precision>0; precision--, e2++){ *(bufpt++) = '0'; } /* Significant digits after the decimal point */ while( (precision--)>0 ){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); + *(bufpt++) = jcharset]; if( exp<0 ){ *(bufpt++) = '-'; exp = -exp; @@ -30618,8 +31453,8 @@ SQLITE_API void sqlite3_str_vappendf( while( nPad-- ) bufpt[i++] = '0'; length = width; } -#endif /* !defined(SQLITE_OMIT_FLOATING_POINT) */ break; + } case etSIZE: if( !bArgList ){ *(va_arg(ap,int*)) = pAccum->nChar; @@ -31250,12 +32085,22 @@ SQLITE_API char *sqlite3_vsnprintf(int n, char *zBuf, const char *zFormat, va_li return zBuf; } SQLITE_API char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){ - char *z; + StrAccum acc; va_list ap; + if( n<=0 ) return zBuf; +#ifdef SQLITE_ENABLE_API_ARMOR + if( zBuf==0 || zFormat==0 ) { + (void)SQLITE_MISUSE_BKPT; + if( zBuf ) zBuf[0] = 0; + return zBuf; + } +#endif + sqlite3StrAccumInit(&acc, 0, zBuf, n, 0); va_start(ap,zFormat); - z = sqlite3_vsnprintf(n, zBuf, zFormat, ap); + sqlite3_str_vappendf(&acc, zFormat, ap); va_end(ap); - return z; + zBuf[acc.nChar] = 0; + return zBuf; } /* @@ -31333,6 +32178,75 @@ SQLITE_API void sqlite3_str_appendf(StrAccum *p, const char *zFormat, ...){ va_end(ap); } + +/***************************************************************************** +** Reference counted string/blob storage +*****************************************************************************/ + +/* +** Increase the reference count of the string by one. +** +** The input parameter is returned. +*/ +SQLITE_PRIVATE char *sqlite3RCStrRef(char *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + p->nRCRef++; + return z; +} + +/* +** Decrease the reference count by one. Free the string when the +** reference count reaches zero. +*/ +SQLITE_PRIVATE void sqlite3RCStrUnref(void *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + assert( p->nRCRef>0 ); + if( p->nRCRef>=2 ){ + p->nRCRef--; + }else{ + sqlite3_free(p); + } +} + +/* +** Create a new string that is capable of holding N bytes of text, not counting +** the zero byte at the end. The string is uninitialized. +** +** The reference count is initially 1. Call sqlite3RCStrUnref() to free the +** newly allocated string. +** +** This routine returns 0 on an OOM. +*/ +SQLITE_PRIVATE char *sqlite3RCStrNew(u64 N){ + RCStr *p = sqlite3_malloc64( N + sizeof(*p) + 1 ); + if( p==0 ) return 0; + p->nRCRef = 1; + return (char*)&p[1]; +} + +/* +** Change the size of the string so that it is able to hold N bytes. +** The string might be reallocated, so return the new allocation. +*/ +SQLITE_PRIVATE char *sqlite3RCStrResize(char *z, u64 N){ + RCStr *p = (RCStr*)z; + RCStr *pNew; + assert( p!=0 ); + p--; + assert( p->nRCRef==1 ); + pNew = sqlite3_realloc64(p, N+sizeof(RCStr)+1); + if( pNew==0 ){ + sqlite3_free(p); + return 0; + }else{ + return (char*)&pNew[1]; + } +} + /************** End of printf.c **********************************************/ /************** Begin file treeview.c ****************************************/ /* @@ -31749,6 +32663,7 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u sqlite3TreeViewItem(pView, "FILTER", 1); sqlite3TreeViewExpr(pView, pWin->pFilter, 0); sqlite3TreeViewPop(&pView); + if( pWin->eFrmType==TK_FILTER ) return; } sqlite3TreeViewPush(&pView, more); if( pWin->zName ){ @@ -31758,7 +32673,7 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u } if( pWin->zBase ) nElement++; if( pWin->pOrderBy ) nElement++; - if( pWin->eFrmType ) nElement++; + if( pWin->eFrmType!=0 && pWin->eFrmType!=TK_FILTER ) nElement++; if( pWin->eExclude ) nElement++; if( pWin->zBase ){ sqlite3TreeViewPush(&pView, (--nElement)>0); @@ -31771,7 +32686,7 @@ SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u if( pWin->pOrderBy ){ sqlite3TreeViewExprList(pView, pWin->pOrderBy, (--nElement)>0, "ORDER-BY"); } - if( pWin->eFrmType ){ + if( pWin->eFrmType!=0 && pWin->eFrmType!=TK_FILTER ){ char zBuf[30]; const char *zFrmType = "ROWS"; if( pWin->eFrmType==TK_RANGE ) zFrmType = "RANGE"; @@ -31980,7 +32895,8 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m }; assert( pExpr->op2==TK_IS || pExpr->op2==TK_ISNOT ); assert( pExpr->pRight ); - assert( sqlite3ExprSkipCollate(pExpr->pRight)->op==TK_TRUEFALSE ); + assert( sqlite3ExprSkipCollateAndLikely(pExpr->pRight)->op + == TK_TRUEFALSE ); x = (pExpr->op2==TK_ISNOT)*2 + sqlite3ExprTruthValue(pExpr->pRight); zUniOp = azOp[x]; break; @@ -32018,7 +32934,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m assert( ExprUseXList(pExpr) ); pFarg = pExpr->x.pList; #ifndef SQLITE_OMIT_WINDOWFUNC - pWin = ExprHasProperty(pExpr, EP_WinFunc) ? pExpr->y.pWin : 0; + pWin = IsWindowFunc(pExpr) ? pExpr->y.pWin : 0; #else pWin = 0; #endif @@ -32044,7 +32960,13 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m sqlite3TreeViewLine(pView, "FUNCTION %Q%s", pExpr->u.zToken, zFlgs); } if( pFarg ){ - sqlite3TreeViewExprList(pView, pFarg, pWin!=0, 0); + sqlite3TreeViewExprList(pView, pFarg, pWin!=0 || pExpr->pLeft, 0); + if( pExpr->pLeft ){ + Expr *pOB = pExpr->pLeft; + assert( pOB->op==TK_ORDER ); + assert( ExprUseXList(pOB) ); + sqlite3TreeViewExprList(pView, pOB->x.pList, pWin!=0, "ORDERBY"); + } } #ifndef SQLITE_OMIT_WINDOWFUNC if( pWin ){ @@ -32053,6 +32975,10 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m #endif break; } + case TK_ORDER: { + sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, "ORDERBY"); + break; + } #ifndef SQLITE_OMIT_SUBQUERY case TK_EXISTS: { assert( ExprUseXSelect(pExpr) ); @@ -32106,7 +33032,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m assert( pExpr->x.pList->nExpr==2 ); pY = pExpr->x.pList->a[0].pExpr; pZ = pExpr->x.pList->a[1].pExpr; - sqlite3TreeViewLine(pView, "BETWEEN"); + sqlite3TreeViewLine(pView, "BETWEEN%s", zFlgs); sqlite3TreeViewExpr(pView, pX, 1); sqlite3TreeViewExpr(pView, pY, 1); sqlite3TreeViewExpr(pView, pZ, 0); @@ -33241,7 +34167,38 @@ SQLITE_PRIVATE u32 sqlite3Utf8Read( return c; } - +/* +** Read a single UTF8 character out of buffer z[], but reading no +** more than n characters from the buffer. z[] is not zero-terminated. +** +** Return the number of bytes used to construct the character. +** +** Invalid UTF8 might generate a strange result. No effort is made +** to detect invalid UTF8. +** +** At most 4 bytes will be read out of z[]. The return value will always +** be between 1 and 4. +*/ +SQLITE_PRIVATE int sqlite3Utf8ReadLimited( + const u8 *z, + int n, + u32 *piOut +){ + u32 c; + int i = 1; + assert( n>0 ); + c = z[0]; + if( c>=0xc0 ){ + c = sqlite3Utf8Trans1[c-0xc0]; + if( n>4 ) n = 4; + while( inDb; ii++){ + if( db->aDb[ii].pBt ){ + iErr = sqlite3PagerWalSystemErrno(sqlite3BtreePager(db->aDb[ii].pBt)); + if( iErr ){ + db->iSysErrno = iErr; + } + } + } + sqlite3BtreeLeaveAll(db); + return; + } +#endif rc &= 0xff; if( rc==SQLITE_CANTOPEN || rc==SQLITE_IOERR ){ db->iSysErrno = sqlite3OsGetLastError(db->pVfs); @@ -33800,12 +34774,16 @@ SQLITE_PRIVATE void sqlite3ProgressCheck(Parse *p){ p->rc = SQLITE_INTERRUPT; } #ifndef SQLITE_OMIT_PROGRESS_CALLBACK - if( db->xProgress && (++p->nProgressSteps)>=db->nProgressOps ){ - if( db->xProgress(db->pProgressArg) ){ - p->nErr++; - p->rc = SQLITE_INTERRUPT; + if( db->xProgress ){ + if( p->rc==SQLITE_INTERRUPT ){ + p->nProgressSteps = 0; + }else if( (++p->nProgressSteps)>=db->nProgressOps ){ + if( db->xProgress(db->pProgressArg) ){ + p->nErr++; + p->rc = SQLITE_INTERRUPT; + } + p->nProgressSteps = 0; } - p->nProgressSteps = 0; } #endif } @@ -34001,43 +34979,40 @@ SQLITE_PRIVATE u8 sqlite3StrIHash(const char *z){ return h; } -/* -** Compute 10 to the E-th power. Examples: E==1 results in 10. -** E==2 results in 100. E==50 results in 1.0e50. +/* Double-Double multiplication. (x[0],x[1]) *= (y,yy) ** -** This routine only works for values of E between 1 and 341. +** Reference: +** T. J. Dekker, "A Floating-Point Technique for Extending the +** Available Precision". 1971-07-26. */ -static LONGDOUBLE_TYPE sqlite3Pow10(int E){ -#if defined(_MSC_VER) - static const LONGDOUBLE_TYPE x[] = { - 1.0e+001L, - 1.0e+002L, - 1.0e+004L, - 1.0e+008L, - 1.0e+016L, - 1.0e+032L, - 1.0e+064L, - 1.0e+128L, - 1.0e+256L - }; - LONGDOUBLE_TYPE r = 1.0; - int i; - assert( E>=0 && E<=307 ); - for(i=0; E!=0; i++, E >>=1){ - if( E & 1 ) r *= x[i]; - } - return r; -#else - LONGDOUBLE_TYPE x = 10.0; - LONGDOUBLE_TYPE r = 1.0; - while(1){ - if( E & 1 ) r *= x; - E >>= 1; - if( E==0 ) break; - x *= x; - } - return r; -#endif +static void dekkerMul2(volatile double *x, double y, double yy){ + /* + ** The "volatile" keywords on parameter x[] and on local variables + ** below are needed force intermediate results to be truncated to + ** binary64 rather than be carried around in an extended-precision + ** format. The truncation is necessary for the Dekker algorithm to + ** work. Intel x86 floating point might omit the truncation without + ** the use of volatile. + */ + volatile double tx, ty, p, q, c, cc; + double hx, hy; + u64 m; + memcpy(&m, (void*)&x[0], 8); + m &= 0xfffffffffc000000LL; + memcpy(&hx, &m, 8); + tx = x[0] - hx; + memcpy(&m, &y, 8); + m &= 0xfffffffffc000000LL; + memcpy(&hy, &m, 8); + ty = y - hy; + p = hx*hy; + q = hx*ty + tx*hy; + c = p+q; + cc = p - c + q + tx*ty; + cc = x[0]*yy + x[1]*y + cc; + x[0] = c + cc; + x[1] = c - x[0]; + x[1] += cc; } /* @@ -34078,12 +35053,11 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en const char *zEnd; /* sign * significand * (10 ^ (esign * exponent)) */ int sign = 1; /* sign of significand */ - i64 s = 0; /* significand */ + u64 s = 0; /* significand */ int d = 0; /* adjust exponent for shifting decimal point */ int esign = 1; /* sign of exponent */ int e = 0; /* exponent */ int eValid = 1; /* True exponent is either not used or is well-formed */ - double result; int nDigit = 0; /* Number of digits processed */ int eType = 1; /* 1: pure integer, 2+: fractional -1 or less: bad UTF16 */ @@ -34123,7 +35097,7 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en while( z=((LARGEST_INT64-9)/10) ){ + if( s>=((LARGEST_UINT64-9)/10) ){ /* skip non-significant significand digits ** (increase exponent by d to shift decimal left) */ while( z0 && s<(LARGEST_UINT64/10) ){ + s *= 10; + e--; + } + while( e<0 && (s%10)==0 ){ + s /= 10; + e++; } - if( s==0 ) { - /* In the IEEE 754 standard, zero is signed. */ - result = sign<0 ? -(double)0 : (double)0; - } else { - /* Attempt to reduce exponent. - ** - ** Branches that are not required for the correct answer but which only - ** help to obtain the correct answer faster are marked with special - ** comments, as a hint to the mutation tester. - */ - while( e>0 ){ /*OPTIMIZATION-IF-TRUE*/ - if( esign>0 ){ - if( s>=(LARGEST_INT64/10) ) break; /*OPTIMIZATION-IF-FALSE*/ - s *= 10; - }else{ - if( s%10!=0 ) break; /*OPTIMIZATION-IF-FALSE*/ - s /= 10; - } - e--; - } - - /* adjust the sign of significand */ - s = sign<0 ? -s : s; - - if( e==0 ){ /*OPTIMIZATION-IF-TRUE*/ - result = (double)s; + if( e==0 ){ + *pResult = s; + }else if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE r = (LONGDOUBLE_TYPE)s; + if( e>0 ){ + while( e>=100 ){ e-=100; r *= 1.0e+100L; } + while( e>=10 ){ e-=10; r *= 1.0e+10L; } + while( e>=1 ){ e-=1; r *= 1.0e+01L; } }else{ - /* attempt to handle extremely small/large numbers better */ - if( e>307 ){ /*OPTIMIZATION-IF-TRUE*/ - if( e<342 ){ /*OPTIMIZATION-IF-TRUE*/ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e-308); - if( esign<0 ){ - result = s / scale; - result /= 1.0e+308; - }else{ - result = s * scale; - result *= 1.0e+308; - } - }else{ assert( e>=342 ); - if( esign<0 ){ - result = 0.0*s; - }else{ + while( e<=-100 ){ e+=100; r *= 1.0e-100L; } + while( e<=-10 ){ e+=10; r *= 1.0e-10L; } + while( e<=-1 ){ e+=1; r *= 1.0e-01L; } + } + assert( r>=0.0 ); + if( r>+1.7976931348623157081452742373e+308L ){ #ifdef INFINITY - result = INFINITY*s; + *pResult = +INFINITY; #else - result = 1e308*1e308*s; /* Infinity */ + *pResult = 1.0e308*10.0; #endif - } - } - }else{ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e); - if( esign<0 ){ - result = s / scale; - }else{ - result = s * scale; - } + }else{ + *pResult = (double)r; + } + }else{ + double rr[2]; + u64 s2; + rr[0] = (double)s; + s2 = (u64)rr[0]; + rr[1] = s>=s2 ? (double)(s - s2) : -(double)(s2 - s); + if( e>0 ){ + while( e>=100 ){ + e -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( e>=10 ){ + e -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( e>=1 ){ + e -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + }else{ + while( e<=-100 ){ + e += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( e<=-10 ){ + e += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( e<=-1 ){ + e += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); } } + *pResult = rr[0]+rr[1]; + if( sqlite3IsNaN(*pResult) ) *pResult = 1e300*1e300; } + if( sign<0 ) *pResult = -*pResult; + assert( !sqlite3IsNaN(*pResult) ); - /* store the result */ - *pResult = result; - - /* return true if number and no extra non-whitespace chracters after */ +atof_return: + /* return true if number and no extra non-whitespace characters after */ if( z==zEnd && nDigit>0 && eValid && eType>0 ){ return eType; }else if( eType>=2 && (eType==3 || eValid) && nDigit>0 ){ @@ -34285,13 +35269,15 @@ SQLITE_PRIVATE int sqlite3Int64ToText(i64 v, char *zOut){ } i = sizeof(zTemp)-2; zTemp[sizeof(zTemp)-1] = 0; - do{ - zTemp[i--] = (x%10) + '0'; + while( 1 /*exit-by-break*/ ){ + zTemp[i] = (x%10) + '0'; x = x/10; - }while( x ); - if( v<0 ) zTemp[i--] = '-'; - memcpy(zOut, &zTemp[i+1], sizeof(zTemp)-1-i); - return sizeof(zTemp)-2-i; + if( x==0 ) break; + i--; + }; + if( v<0 ) zTemp[--i] = '-'; + memcpy(zOut, &zTemp[i], sizeof(zTemp)-i); + return sizeof(zTemp)-1-i; } /* @@ -34384,7 +35370,7 @@ SQLITE_PRIVATE int sqlite3Atoi64(const char *zNum, i64 *pNum, int length, u8 enc /* This test and assignment is needed only to suppress UB warnings ** from clang and -fsanitize=undefined. This test and assignment make ** the code a little larger and slower, and no harm comes from omitting - ** them, but we must appaise the undefined-behavior pharisees. */ + ** them, but we must appease the undefined-behavior pharisees. */ *pNum = neg ? SMALLEST_INT64 : LARGEST_INT64; }else if( neg ){ *pNum = -(i64)u; @@ -34456,11 +35442,15 @@ SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char *z, i64 *pOut){ u = u*16 + sqlite3HexToInt(z[k]); } memcpy(pOut, &u, 8); - return (z[k]==0 && k-i<=16) ? 0 : 2; + if( k-i>16 ) return 2; + if( z[k]!=0 ) return 1; + return 0; }else #endif /* SQLITE_OMIT_HEX_INTEGER */ { - return sqlite3Atoi64(z, pOut, sqlite3Strlen30(z), SQLITE_UTF8); + int n = (int)(0x3fffffff&strspn(z,"+- \n\t0123456789")); + if( z[n] ) n++; + return sqlite3Atoi64(z, pOut, n, SQLITE_UTF8); } } @@ -34492,7 +35482,7 @@ SQLITE_PRIVATE int sqlite3GetInt32(const char *zNum, int *pValue){ u32 u = 0; zNum += 2; while( zNum[0]=='0' ) zNum++; - for(i=0; sqlite3Isxdigit(zNum[i]) && i<8; i++){ + for(i=0; i<8 && sqlite3Isxdigit(zNum[i]); i++){ u = u*16 + sqlite3HexToInt(zNum[i]); } if( (u&0x80000000)==0 && sqlite3Isxdigit(zNum[i])==0 ){ @@ -34539,6 +35529,153 @@ SQLITE_PRIVATE int sqlite3Atoi(const char *z){ return x; } +/* +** Decode a floating-point value into an approximate decimal +** representation. +** +** Round the decimal representation to n significant digits if +** n is positive. Or round to -n signficant digits after the +** decimal point if n is negative. No rounding is performed if +** n is zero. +** +** The significant digits of the decimal representation are +** stored in p->z[] which is a often (but not always) a pointer +** into the middle of p->zBuf[]. There are p->n significant digits. +** The p->z[] array is *not* zero-terminated. +*/ +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){ + int i; + u64 v; + int e, exp = 0; + p->isSpecial = 0; + p->z = p->zBuf; + + /* Convert negative numbers to positive. Deal with Infinity, 0.0, and + ** NaN. */ + if( r<0.0 ){ + p->sign = '-'; + r = -r; + }else if( r==0.0 ){ + p->sign = '+'; + p->n = 1; + p->iDP = 1; + p->z = "0"; + return; + }else{ + p->sign = '+'; + } + memcpy(&v,&r,8); + e = v>>52; + if( (e&0x7ff)==0x7ff ){ + p->isSpecial = 1 + (v!=0x7ff0000000000000LL); + p->n = 0; + p->iDP = 0; + return; + } + + /* Multiply r by powers of ten until it lands somewhere in between + ** 1.0e+19 and 1.0e+17. + */ + if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE rr = r; + if( rr>=1.0e+19 ){ + while( rr>=1.0e+119L ){ exp+=100; rr *= 1.0e-100L; } + while( rr>=1.0e+29L ){ exp+=10; rr *= 1.0e-10L; } + while( rr>=1.0e+19L ){ exp++; rr *= 1.0e-1L; } + }else{ + while( rr<1.0e-97L ){ exp-=100; rr *= 1.0e+100L; } + while( rr<1.0e+07L ){ exp-=10; rr *= 1.0e+10L; } + while( rr<1.0e+17L ){ exp--; rr *= 1.0e+1L; } + } + v = (u64)rr; + }else{ + /* If high-precision floating point is not available using "long double", + ** then use Dekker-style double-double computation to increase the + ** precision. + ** + ** The error terms on constants like 1.0e+100 computed using the + ** decimal extension, for example as follows: + ** + ** SELECT decimal_exp(decimal_sub('1.0e+100',decimal(1.0e+100))); + */ + double rr[2]; + rr[0] = r; + rr[1] = 0.0; + if( rr[0]>9.223372036854774784e+18 ){ + while( rr[0]>9.223372036854774784e+118 ){ + exp += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( rr[0]>9.223372036854774784e+28 ){ + exp += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( rr[0]>9.223372036854774784e+18 ){ + exp += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); + } + }else{ + while( rr[0]<9.223372036854774784e-83 ){ + exp -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( rr[0]<9.223372036854774784e+07 ){ + exp -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( rr[0]<9.22337203685477478e+17 ){ + exp -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + } + v = rr[1]<0.0 ? (u64)rr[0]-(u64)(-rr[1]) : (u64)rr[0]+(u64)rr[1]; + } + + + /* Extract significant digits. */ + i = sizeof(p->zBuf)-1; + assert( v>0 ); + while( v ){ p->zBuf[i--] = (v%10) + '0'; v /= 10; } + assert( i>=0 && izBuf)-1 ); + p->n = sizeof(p->zBuf) - 1 - i; + assert( p->n>0 ); + assert( p->nzBuf) ); + p->iDP = p->n + exp; + if( iRound<0 ){ + iRound = p->iDP - iRound; + if( iRound==0 && p->zBuf[i+1]>='5' ){ + iRound = 1; + p->zBuf[i--] = '0'; + p->n++; + p->iDP++; + } + } + if( iRound>0 && (iRoundn || p->n>mxRound) ){ + char *z = &p->zBuf[i+1]; + if( iRound>mxRound ) iRound = mxRound; + p->n = iRound; + if( z[iRound]>='5' ){ + int j = iRound-1; + while( 1 /*exit-by-break*/ ){ + z[j]++; + if( z[j]<='9' ) break; + z[j] = '0'; + if( j==0 ){ + p->z[i--] = '1'; + p->n++; + p->iDP++; + break; + }else{ + j--; + } + } + } + } + p->z = &p->zBuf[i+1]; + assert( i+p->n < sizeof(p->zBuf) ); + while( ALWAYS(p->n>0) && p->z[p->n-1]=='0' ){ p->n--; } +} + /* ** Try to convert z into an unsigned 32-bit integer. Return true on ** success and false if there is an error. @@ -34802,121 +35939,32 @@ SQLITE_PRIVATE u8 sqlite3GetVarint(const unsigned char *p, u64 *v){ ** this function assumes the single-byte case has already been handled. */ SQLITE_PRIVATE u8 sqlite3GetVarint32(const unsigned char *p, u32 *v){ - u32 a,b; + u64 v64; + u8 n; - /* The 1-byte case. Overwhelmingly the most common. Handled inline - ** by the getVarin32() macro */ - a = *p; - /* a: p0 (unmasked) */ -#ifndef getVarint32 - if (!(a&0x80)) - { - /* Values between 0 and 127 */ - *v = a; - return 1; - } -#endif + /* Assume that the single-byte case has already been handled by + ** the getVarint32() macro */ + assert( (p[0] & 0x80)!=0 ); - /* The 2-byte case */ - p++; - b = *p; - /* b: p1 (unmasked) */ - if (!(b&0x80)) - { - /* Values between 128 and 16383 */ - a &= 0x7f; - a = a<<7; - *v = a | b; + if( (p[1] & 0x80)==0 ){ + /* This is the two-byte case */ + *v = ((p[0]&0x7f)<<7) | p[1]; return 2; } - - /* The 3-byte case */ - p++; - a = a<<14; - a |= *p; - /* a: p0<<14 | p2 (unmasked) */ - if (!(a&0x80)) - { - /* Values between 16384 and 2097151 */ - a &= (0x7f<<14)|(0x7f); - b &= 0x7f; - b = b<<7; - *v = a | b; + if( (p[2] & 0x80)==0 ){ + /* This is the three-byte case */ + *v = ((p[0]&0x7f)<<14) | ((p[1]&0x7f)<<7) | p[2]; return 3; } - - /* A 32-bit varint is used to store size information in btrees. - ** Objects are rarely larger than 2MiB limit of a 3-byte varint. - ** A 3-byte varint is sufficient, for example, to record the size - ** of a 1048569-byte BLOB or string. - ** - ** We only unroll the first 1-, 2-, and 3- byte cases. The very - ** rare larger cases can be handled by the slower 64-bit varint - ** routine. - */ -#if 1 - { - u64 v64; - u8 n; - - n = sqlite3GetVarint(p-2, &v64); - assert( n>3 && n<=9 ); - if( (v64 & SQLITE_MAX_U32)!=v64 ){ - *v = 0xffffffff; - }else{ - *v = (u32)v64; - } - return n; - } - -#else - /* For following code (kept for historical record only) shows an - ** unrolling for the 3- and 4-byte varint cases. This code is - ** slightly faster, but it is also larger and much harder to test. - */ - p++; - b = b<<14; - b |= *p; - /* b: p1<<14 | p3 (unmasked) */ - if (!(b&0x80)) - { - /* Values between 2097152 and 268435455 */ - b &= (0x7f<<14)|(0x7f); - a &= (0x7f<<14)|(0x7f); - a = a<<7; - *v = a | b; - return 4; - } - - p++; - a = a<<14; - a |= *p; - /* a: p0<<28 | p2<<14 | p4 (unmasked) */ - if (!(a&0x80)) - { - /* Values between 268435456 and 34359738367 */ - a &= SLOT_4_2_0; - b &= SLOT_4_2_0; - b = b<<7; - *v = a | b; - return 5; - } - - /* We can only reach this point when reading a corrupt database - ** file. In that case we are not in any hurry. Use the (relatively - ** slow) general-purpose sqlite3GetVarint() routine to extract the - ** value. */ - { - u64 v64; - u8 n; - - p -= 4; - n = sqlite3GetVarint(p, &v64); - assert( n>5 && n<=9 ); + /* four or more bytes */ + n = sqlite3GetVarint(p, &v64); + assert( n>3 && n<=9 ); + if( (v64 & SQLITE_MAX_U32)!=v64 ){ + *v = 0xffffffff; + }else{ *v = (u32)v64; - return n; } -#endif + return n; } /* @@ -35067,7 +36115,7 @@ SQLITE_PRIVATE int sqlite3SafetyCheckSickOrOk(sqlite3 *db){ } /* -** Attempt to add, substract, or multiply the 64-bit signed value iB against +** Attempt to add, subtract, or multiply the 64-bit signed value iB against ** the other 64-bit signed integer at *pA and store the result in *pA. ** Return 0 on success. Or if the operation would have resulted in an ** overflow, leave *pA unchanged and return 1. @@ -35380,7 +36428,7 @@ SQLITE_PRIVATE int sqlite3VListNameToNum(VList *pIn, const char *zName, int nNam #define SQLITE_HWTIME_H /* -** The following routine only works on pentium-class (or newer) processors. +** The following routine only works on Pentium-class (or newer) processors. ** It uses the RDTSC opcode to read the cycle count value out of the ** processor and returns that value. This can be used for high-res ** profiling. @@ -35552,7 +36600,7 @@ static void insertElement( } -/* Resize the hash table so that it cantains "new_size" buckets. +/* Resize the hash table so that it contains "new_size" buckets. ** ** The hash table might fail to resize if sqlite3_malloc() fails or ** if the new size is the same as the prior size. @@ -35912,19 +36960,22 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 171 */ "VCreate" OpHelp(""), /* 172 */ "VDestroy" OpHelp(""), /* 173 */ "VOpen" OpHelp(""), - /* 174 */ "VInitIn" OpHelp("r[P2]=ValueList(P1,P3)"), - /* 175 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), - /* 176 */ "VRename" OpHelp(""), - /* 177 */ "Pagecount" OpHelp(""), - /* 178 */ "MaxPgcnt" OpHelp(""), - /* 179 */ "ClrSubtype" OpHelp("r[P1].subtype = 0"), - /* 180 */ "FilterAdd" OpHelp("filter(P1) += key(P3@P4)"), - /* 181 */ "Trace" OpHelp(""), - /* 182 */ "CursorHint" OpHelp(""), - /* 183 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), - /* 184 */ "Noop" OpHelp(""), - /* 185 */ "Explain" OpHelp(""), - /* 186 */ "Abortable" OpHelp(""), + /* 174 */ "VCheck" OpHelp(""), + /* 175 */ "VInitIn" OpHelp("r[P2]=ValueList(P1,P3)"), + /* 176 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), + /* 177 */ "VRename" OpHelp(""), + /* 178 */ "Pagecount" OpHelp(""), + /* 179 */ "MaxPgcnt" OpHelp(""), + /* 180 */ "ClrSubtype" OpHelp("r[P1].subtype = 0"), + /* 181 */ "GetSubtype" OpHelp("r[P2] = r[P1].subtype"), + /* 182 */ "SetSubtype" OpHelp("r[P2].subtype = r[P1]"), + /* 183 */ "FilterAdd" OpHelp("filter(P1) += key(P3@P4)"), + /* 184 */ "Trace" OpHelp(""), + /* 185 */ "CursorHint" OpHelp(""), + /* 186 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), + /* 187 */ "Noop" OpHelp(""), + /* 188 */ "Explain" OpHelp(""), + /* 189 */ "Abortable" OpHelp(""), }; return azName[i]; } @@ -36938,7 +37989,7 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void){ ** This source file is organized into divisions where the logic for various ** subfunctions is contained within the appropriate division. PLEASE ** KEEP THE STRUCTURE OF THIS FILE INTACT. New code should be placed -** in the correct division and should be clearly labeled. +** in the correct division and should be clearly labelled. ** ** The layout of divisions is as follows: ** @@ -36988,7 +38039,7 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void){ #endif /* Use pread() and pwrite() if they are available */ -#if defined(__APPLE__) +#if defined(__APPLE__) || defined(__linux__) # define HAVE_PREAD 1 # define HAVE_PWRITE 1 #endif @@ -37525,7 +38576,7 @@ static int robustFchown(int fd, uid_t uid, gid_t gid){ /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "unix" VFSes. Return SQLITE_OK opon successfully updating the +** "unix" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -38047,7 +39098,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** If you close a file descriptor that points to a file that has locks, ** all locks on that file that are owned by the current process are ** released. To work around this problem, each unixInodeInfo object -** maintains a count of the number of pending locks on tha inode. +** maintains a count of the number of pending locks on the inode. ** When an attempt is made to close an unixFile, if there are ** other unixFile open on the same inode that are holding locks, the call ** to close() the file descriptor is deferred until all of the locks clear. @@ -38061,7 +39112,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** not posix compliant. Under LinuxThreads, a lock created by thread ** A cannot be modified or overridden by a different thread B. ** Only thread A can modify the lock. Locking behavior is correct -** if the appliation uses the newer Native Posix Thread Library (NPTL) +** if the application uses the newer Native Posix Thread Library (NPTL) ** on linux - with NPTL a lock created by thread A can override locks ** in thread B. But there is no way to know at compile-time which ** threading library is being used. So there is no way to know at @@ -38263,7 +39314,7 @@ static void storeLastErrno(unixFile *pFile, int error){ } /* -** Close all file descriptors accumuated in the unixInodeInfo->pUnused list. +** Close all file descriptors accumulated in the unixInodeInfo->pUnused list. */ static void closePendingFds(unixFile *pFile){ unixInodeInfo *pInode = pFile->pInode; @@ -38626,7 +39677,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** slightly in order to be compatible with Windows95 systems simultaneously ** accessing the same database file, in case that is ever required. ** - ** Symbols defined in os.h indentify the 'pending byte' and the 'reserved + ** Symbols defined in os.h identify the 'pending byte' and the 'reserved ** byte', each single bytes at well known offsets, and the 'shared byte ** range', a range of 510 bytes at a well known offset. ** @@ -38634,7 +39685,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** byte'. If this is successful, 'shared byte range' is read-locked ** and the lock on the 'pending byte' released. (Legacy note: When ** SQLite was first developed, Windows95 systems were still very common, - ** and Widnows95 lacks a shared-lock capability. So on Windows95, a + ** and Windows95 lacks a shared-lock capability. So on Windows95, a ** single randomly selected by from the 'shared byte range' is locked. ** Windows95 is now pretty much extinct, but this work-around for the ** lack of shared-locks on Windows95 lives on, for backwards @@ -38655,7 +39706,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** obtaining a write-lock on the 'pending byte'. This ensures that no new ** SHARED locks can be obtained, but existing SHARED locks are allowed to ** persist. If the call to this function fails to obtain the EXCLUSIVE - ** lock in this case, it holds the PENDING lock intead. The client may + ** lock in this case, it holds the PENDING lock instead. The client may ** then re-attempt the EXCLUSIVE lock later on, after existing SHARED ** locks have cleared. */ @@ -38683,7 +39734,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct. ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -39901,7 +40952,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -40017,7 +41068,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ if( !(failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST + pInode->sharedByte, 1, 0)) ){ int failed2 = SQLITE_OK; - /* now attemmpt to get the exclusive lock range */ + /* now attempt to get the exclusive lock range */ failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST, SHARED_SIZE, 1); if( failed && (failed2 = afpSetLock(context->dbPath, pFile, @@ -40066,9 +41117,6 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { unixInodeInfo *pInode; afpLockingContext *context = (afpLockingContext *) pFile->lockingContext; int skipShared = 0; -#ifdef SQLITE_TEST - int h = pFile->h; -#endif assert( pFile ); OSTRACE(("UNLOCK %d %d was %d(%d,%d) pid=%d (afp)\n", pFile->h, eFileLock, @@ -40084,9 +41132,6 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { assert( pInode->nShared!=0 ); if( pFile->eFileLock>SHARED_LOCK ){ assert( pInode->eFileLock==pFile->eFileLock ); - SimulateIOErrorBenign(1); - SimulateIOError( h=(-1) ) - SimulateIOErrorBenign(0); #ifdef SQLITE_DEBUG /* When reducing a lock such that other processes can start @@ -40135,9 +41180,6 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { unsigned long long sharedLockByte = SHARED_FIRST+pInode->sharedByte; pInode->nShared--; if( pInode->nShared==0 ){ - SimulateIOErrorBenign(1); - SimulateIOError( h=(-1) ) - SimulateIOErrorBenign(0); if( !skipShared ){ rc = afpSetLock(context->dbPath, pFile, sharedLockByte, 1, 0); } @@ -40238,12 +41280,6 @@ static int nfsUnlock(sqlite3_file *id, int eFileLock){ ** Seek to the offset passed as the second argument, then read cnt ** bytes into pBuf. Return the number of bytes actually read. ** -** NB: If you define USE_PREAD or USE_PREAD64, then it might also -** be necessary to define _XOPEN_SOURCE to be 500. This varies from -** one system to another. Since SQLite does not define USE_PREAD -** in any form by default, we will not attempt to define _XOPEN_SOURCE. -** See tickets #2741 and #2681. -** ** To avoid stomping the errno value on a failed read the lastErrno value ** is set before returning. */ @@ -40318,7 +41354,7 @@ static int unixRead( #endif #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -40470,7 +41506,7 @@ static int unixWrite( #endif #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -40592,7 +41628,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a ** no-op. But go ahead and call fstat() to validate the file ** descriptor as we need a method to provoke a failure during - ** coverate testing. + ** coverage testing. */ #ifdef SQLITE_NO_SYNC { @@ -40985,7 +42021,13 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ #ifdef SQLITE_ENABLE_SETLK_TIMEOUT case SQLITE_FCNTL_LOCK_TIMEOUT: { int iOld = pFile->iBusyTimeout; +#if SQLITE_ENABLE_SETLK_TIMEOUT==1 pFile->iBusyTimeout = *(int*)pArg; +#elif SQLITE_ENABLE_SETLK_TIMEOUT==2 + pFile->iBusyTimeout = !!(*(int*)pArg); +#else +# error "SQLITE_ENABLE_SETLK_TIMEOUT must be set to 1 or 2" +#endif *(int*)pArg = iOld; return SQLITE_OK; } @@ -41238,6 +42280,25 @@ static int unixGetpagesize(void){ ** Either unixShmNode.pShmMutex must be held or unixShmNode.nRef==0 and ** unixMutexHeld() is true when reading or writing any other field ** in this structure. +** +** aLock[SQLITE_SHM_NLOCK]: +** This array records the various locks held by clients on each of the +** SQLITE_SHM_NLOCK slots. If the aLock[] entry is set to 0, then no +** locks are held by the process on this slot. If it is set to -1, then +** some client holds an EXCLUSIVE lock on the locking slot. If the aLock[] +** value is set to a positive value, then it is the number of shared +** locks currently held on the slot. +** +** aMutex[SQLITE_SHM_NLOCK]: +** Normally, when SQLITE_ENABLE_SETLK_TIMEOUT is not defined, mutex +** pShmMutex is used to protect the aLock[] array and the right to +** call fcntl() on unixShmNode.hShm to obtain or release locks. +** +** If SQLITE_ENABLE_SETLK_TIMEOUT is defined though, we use an array +** of mutexes - one for each locking slot. To read or write locking +** slot aLock[iSlot], the caller must hold the corresponding mutex +** aMutex[iSlot]. Similarly, to call fcntl() to obtain or release a +** lock corresponding to slot iSlot, mutex aMutex[iSlot] must be held. */ struct unixShmNode { unixInodeInfo *pInode; /* unixInodeInfo that owns this SHM node */ @@ -41251,10 +42312,11 @@ struct unixShmNode { char **apRegion; /* Array of mapped shared-memory regions */ int nRef; /* Number of unixShm objects pointing to this */ unixShm *pFirst; /* All unixShm objects pointing to this */ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + sqlite3_mutex *aMutex[SQLITE_SHM_NLOCK]; +#endif int aLock[SQLITE_SHM_NLOCK]; /* # shared locks on slot, -1==excl lock */ #ifdef SQLITE_DEBUG - u8 exclMask; /* Mask of exclusive locks held */ - u8 sharedMask; /* Mask of shared locks held */ u8 nextShmId; /* Next available unixShm.id value */ #endif }; @@ -41337,16 +42399,35 @@ static int unixShmSystemLock( struct flock f; /* The posix advisory locking structure */ int rc = SQLITE_OK; /* Result code form fcntl() */ - /* Access to the unixShmNode object is serialized by the caller */ pShmNode = pFile->pInode->pShmNode; - assert( pShmNode->nRef==0 || sqlite3_mutex_held(pShmNode->pShmMutex) ); - assert( pShmNode->nRef>0 || unixMutexHeld() ); + + /* Assert that the parameters are within expected range and that the + ** correct mutex or mutexes are held. */ + assert( pShmNode->nRef>=0 ); + assert( (ofst==UNIX_SHM_DMS && n==1) + || (ofst>=UNIX_SHM_BASE && ofst+n<=(UNIX_SHM_BASE+SQLITE_SHM_NLOCK)) + ); + if( ofst==UNIX_SHM_DMS ){ + assert( pShmNode->nRef>0 || unixMutexHeld() ); + assert( pShmNode->nRef==0 || sqlite3_mutex_held(pShmNode->pShmMutex) ); + }else{ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + int ii; + for(ii=ofst-UNIX_SHM_BASE; iiaMutex[ii]) ); + } +#else + assert( sqlite3_mutex_held(pShmNode->pShmMutex) ); + assert( pShmNode->nRef>0 ); +#endif + } /* Shared locks never span more than one byte */ assert( n==1 || lockType!=F_RDLCK ); /* Locks are within range */ assert( n>=1 && n<=SQLITE_SHM_NLOCK ); + assert( ofst>=UNIX_SHM_BASE && ofst<=(UNIX_SHM_DMS+SQLITE_SHM_NLOCK) ); if( pShmNode->hShm>=0 ){ int res; @@ -41357,7 +42438,7 @@ static int unixShmSystemLock( f.l_len = n; res = osSetPosixAdvisoryLock(pShmNode->hShm, &f, pFile); if( res==-1 ){ -#ifdef SQLITE_ENABLE_SETLK_TIMEOUT +#if defined(SQLITE_ENABLE_SETLK_TIMEOUT) && SQLITE_ENABLE_SETLK_TIMEOUT==1 rc = (pFile->iBusyTimeout ? SQLITE_BUSY_TIMEOUT : SQLITE_BUSY); #else rc = SQLITE_BUSY; @@ -41365,39 +42446,28 @@ static int unixShmSystemLock( } } - /* Update the global lock state and do debug tracing */ + /* Do debug tracing */ #ifdef SQLITE_DEBUG - { u16 mask; OSTRACE(("SHM-LOCK ")); - mask = ofst>31 ? 0xffff : (1<<(ofst+n)) - (1<exclMask &= ~mask; - pShmNode->sharedMask &= ~mask; + OSTRACE(("unlock %d..%d ok\n", ofst, ofst+n-1)); }else if( lockType==F_RDLCK ){ - OSTRACE(("read-lock %d ok", ofst)); - pShmNode->exclMask &= ~mask; - pShmNode->sharedMask |= mask; + OSTRACE(("read-lock %d..%d ok\n", ofst, ofst+n-1)); }else{ assert( lockType==F_WRLCK ); - OSTRACE(("write-lock %d ok", ofst)); - pShmNode->exclMask |= mask; - pShmNode->sharedMask &= ~mask; + OSTRACE(("write-lock %d..%d ok\n", ofst, ofst+n-1)); } }else{ if( lockType==F_UNLCK ){ - OSTRACE(("unlock %d failed", ofst)); + OSTRACE(("unlock %d..%d failed\n", ofst, ofst+n-1)); }else if( lockType==F_RDLCK ){ - OSTRACE(("read-lock failed")); + OSTRACE(("read-lock %d..%d failed\n", ofst, ofst+n-1)); }else{ assert( lockType==F_WRLCK ); - OSTRACE(("write-lock %d failed", ofst)); + OSTRACE(("write-lock %d..%d failed\n", ofst, ofst+n-1)); } } - OSTRACE((" - afterwards %03x,%03x\n", - pShmNode->sharedMask, pShmNode->exclMask)); - } #endif return rc; @@ -41434,6 +42504,11 @@ static void unixShmPurge(unixFile *pFd){ int i; assert( p->pInode==pFd->pInode ); sqlite3_mutex_free(p->pShmMutex); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + for(i=0; iaMutex[i]); + } +#endif for(i=0; inRegion; i+=nShmPerMap){ if( p->hShm>=0 ){ osMunmap(p->apRegion[i], p->szRegion); @@ -41493,7 +42568,20 @@ static int unixLockSharedMemory(unixFile *pDbFd, unixShmNode *pShmNode){ pShmNode->isUnlocked = 1; rc = SQLITE_READONLY_CANTINIT; }else{ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + /* Do not use a blocking lock here. If the lock cannot be obtained + ** immediately, it means some other connection is truncating the + ** *-shm file. And after it has done so, it will not release its + ** lock, but only downgrade it to a shared lock. So no point in + ** blocking here. The call below to obtain the shared DMS lock may + ** use a blocking lock. */ + int iSaveTimeout = pDbFd->iBusyTimeout; + pDbFd->iBusyTimeout = 0; +#endif rc = unixShmSystemLock(pDbFd, F_WRLCK, UNIX_SHM_DMS, 1); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + pDbFd->iBusyTimeout = iSaveTimeout; +#endif /* The first connection to attach must truncate the -shm file. We ** truncate to 3 bytes (an arbitrary small number, less than the ** -shm header size) rather than 0 as a system debugging aid, to @@ -41614,6 +42702,18 @@ static int unixOpenSharedMemory(unixFile *pDbFd){ rc = SQLITE_NOMEM_BKPT; goto shm_open_err; } +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + { + int ii; + for(ii=0; iiaMutex[ii] = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST); + if( pShmNode->aMutex[ii]==0 ){ + rc = SQLITE_NOMEM_BKPT; + goto shm_open_err; + } + } + } +#endif } if( pInode->bProcessLock==0 ){ @@ -41835,9 +42935,11 @@ shmpage_out: */ #ifdef SQLITE_DEBUG static int assertLockingArrayOk(unixShmNode *pShmNode){ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + return 1; +#else unixShm *pX; int aLock[SQLITE_SHM_NLOCK]; - assert( sqlite3_mutex_held(pShmNode->pShmMutex) ); memset(aLock, 0, sizeof(aLock)); for(pX=pShmNode->pFirst; pX; pX=pX->pNext){ @@ -41855,13 +42957,14 @@ static int assertLockingArrayOk(unixShmNode *pShmNode){ assert( 0==memcmp(pShmNode->aLock, aLock, sizeof(aLock)) ); return (memcmp(pShmNode->aLock, aLock, sizeof(aLock))==0); +#endif } #endif /* ** Change the lock state for a shared-memory segment. ** -** Note that the relationship between SHAREd and EXCLUSIVE locks is a little +** Note that the relationship between SHARED and EXCLUSIVE locks is a little ** different here than in posix. In xShmLock(), one can go from unlocked ** to shared and back or from unlocked to exclusive and back. But one may ** not go from shared to exclusive or from exclusive to shared. @@ -41876,7 +42979,7 @@ static int unixShmLock( unixShm *p; /* The shared memory being locked */ unixShmNode *pShmNode; /* The underlying file iNode */ int rc = SQLITE_OK; /* Result code */ - u16 mask; /* Mask of locks to take or release */ + u16 mask = (1<<(ofst+n)) - (1<pShm; @@ -41911,88 +43014,151 @@ static int unixShmLock( ** It is not permitted to block on the RECOVER lock. */ #ifdef SQLITE_ENABLE_SETLK_TIMEOUT - assert( (flags & SQLITE_SHM_UNLOCK) || pDbFd->iBusyTimeout==0 || ( - (ofst!=2) /* not RECOVER */ - && (ofst!=1 || (p->exclMask|p->sharedMask)==0) - && (ofst!=0 || (p->exclMask|p->sharedMask)<3) - && (ofst<3 || (p->exclMask|p->sharedMask)<(1<exclMask|p->sharedMask); + assert( (flags & SQLITE_SHM_UNLOCK) || pDbFd->iBusyTimeout==0 || ( + (ofst!=2) /* not RECOVER */ + && (ofst!=1 || lockMask==0 || lockMask==2) + && (ofst!=0 || lockMask<3) + && (ofst<3 || lockMask<(1<1 || mask==(1<pShmMutex); - assert( assertLockingArrayOk(pShmNode) ); - if( flags & SQLITE_SHM_UNLOCK ){ - if( (p->exclMask|p->sharedMask) & mask ){ - int ii; - int bUnlock = 1; + /* Check if there is any work to do. There are three cases: + ** + ** a) An unlock operation where there are locks to unlock, + ** b) An shared lock where the requested lock is not already held + ** c) An exclusive lock where the requested lock is not already held + ** + ** The SQLite core never requests an exclusive lock that it already holds. + ** This is assert()ed below. + */ + assert( flags!=(SQLITE_SHM_EXCLUSIVE|SQLITE_SHM_LOCK) + || 0==(p->exclMask & mask) + ); + if( ((flags & SQLITE_SHM_UNLOCK) && ((p->exclMask|p->sharedMask) & mask)) + || (flags==(SQLITE_SHM_SHARED|SQLITE_SHM_LOCK) && 0==(p->sharedMask & mask)) + || (flags==(SQLITE_SHM_EXCLUSIVE|SQLITE_SHM_LOCK)) + ){ - for(ii=ofst; ii((p->sharedMask & (1<aMutex[iMutex]); + if( rc!=SQLITE_OK ) goto leave_shmnode_mutexes; + }else{ + sqlite3_mutex_enter(pShmNode->aMutex[iMutex]); } + } +#else + sqlite3_mutex_enter(pShmNode->pShmMutex); +#endif - if( bUnlock ){ - rc = unixShmSystemLock(pDbFd, F_UNLCK, ofst+UNIX_SHM_BASE, n); + if( ALWAYS(rc==SQLITE_OK) ){ + if( flags & SQLITE_SHM_UNLOCK ){ + /* Case (a) - unlock. */ + int bUnlock = 1; + assert( (p->exclMask & p->sharedMask)==0 ); + assert( !(flags & SQLITE_SHM_EXCLUSIVE) || (p->exclMask & mask)==mask ); + assert( !(flags & SQLITE_SHM_SHARED) || (p->sharedMask & mask)==mask ); + + /* If this is a SHARED lock being unlocked, it is possible that other + ** clients within this process are holding the same SHARED lock. In + ** this case, set bUnlock to 0 so that the posix lock is not removed + ** from the file-descriptor below. */ + if( flags & SQLITE_SHM_SHARED ){ + assert( n==1 ); + assert( aLock[ofst]>=1 ); + if( aLock[ofst]>1 ){ + bUnlock = 0; + aLock[ofst]--; + p->sharedMask &= ~mask; + } + } + + if( bUnlock ){ + rc = unixShmSystemLock(pDbFd, F_UNLCK, ofst+UNIX_SHM_BASE, n); + if( rc==SQLITE_OK ){ + memset(&aLock[ofst], 0, sizeof(int)*n); + p->sharedMask &= ~mask; + p->exclMask &= ~mask; + } + } + }else if( flags & SQLITE_SHM_SHARED ){ + /* Case (b) - a shared lock. */ + + if( aLock[ofst]<0 ){ + /* An exclusive lock is held by some other connection. BUSY. */ + rc = SQLITE_BUSY; + }else if( aLock[ofst]==0 ){ + rc = unixShmSystemLock(pDbFd, F_RDLCK, ofst+UNIX_SHM_BASE, n); + } + + /* Get the local shared locks */ if( rc==SQLITE_OK ){ - memset(&aLock[ofst], 0, sizeof(int)*n); + p->sharedMask |= mask; + aLock[ofst]++; } - }else if( ALWAYS(p->sharedMask & (1<1 ); - aLock[ofst]--; - } + }else{ + /* Case (c) - an exclusive lock. */ + int ii; - /* Undo the local locks */ - if( rc==SQLITE_OK ){ - p->exclMask &= ~mask; - p->sharedMask &= ~mask; - } - } - }else if( flags & SQLITE_SHM_SHARED ){ - assert( n==1 ); - assert( (p->exclMask & (1<sharedMask & mask)==0 ){ - if( aLock[ofst]<0 ){ - rc = SQLITE_BUSY; - }else if( aLock[ofst]==0 ){ - rc = unixShmSystemLock(pDbFd, F_RDLCK, ofst+UNIX_SHM_BASE, n); - } - - /* Get the local shared locks */ - if( rc==SQLITE_OK ){ - p->sharedMask |= mask; - aLock[ofst]++; - } - } - }else{ - /* Make sure no sibling connections hold locks that will block this - ** lock. If any do, return SQLITE_BUSY right away. */ - int ii; - for(ii=ofst; iisharedMask & mask)==0 ); - if( ALWAYS((p->exclMask & (1<sharedMask & mask)==0 ); - p->exclMask |= mask; + assert( (p->exclMask & mask)==0 ); + + /* Make sure no sibling connections hold locks that will block this + ** lock. If any do, return SQLITE_BUSY right away. */ for(ii=ofst; iiexclMask |= mask; + for(ii=ofst; ii=ofst; iMutex--){ + sqlite3_mutex_leave(pShmNode->aMutex[iMutex]); + } +#else + sqlite3_mutex_leave(pShmNode->pShmMutex); +#endif } - assert( assertLockingArrayOk(pShmNode) ); - sqlite3_mutex_leave(pShmNode->pShmMutex); + OSTRACE(("SHM-LOCK shmid-%d, pid-%d got %03x,%03x\n", p->id, osGetpid(0), p->sharedMask, p->exclMask)); return rc; @@ -43637,12 +44803,17 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){ ** than the argument. */ static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){ -#if OS_VXWORKS || _POSIX_C_SOURCE >= 199309L +#if !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP+0 struct timespec sp; - sp.tv_sec = microseconds / 1000000; sp.tv_nsec = (microseconds % 1000000) * 1000; + + /* Almost all modern unix systems support nanosleep(). But if you are + ** compiling for one of the rare exceptions, you can use + ** -DHAVE_NANOSLEEP=0 (perhaps in conjuction with -DHAVE_USLEEP if + ** usleep() is available) in order to bypass the use of nanosleep() */ nanosleep(&sp, NULL); + UNUSED_PARAMETER(NotUsed); return microseconds; #elif defined(HAVE_USLEEP) && HAVE_USLEEP @@ -46232,7 +47403,7 @@ static struct win_syscall { /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "win32" VFSes. Return SQLITE_OK opon successfully updating the +** "win32" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -47812,7 +48983,7 @@ static int winRead( pFile->h, pBuf, amt, offset, pFile->locktype)); #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -47890,7 +49061,7 @@ static int winWrite( pFile->h, pBuf, amt, offset, pFile->locktype)); #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -48000,7 +49171,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ ** all references to memory-mapped content are closed. That is doable, ** but involves adding a few branches in the common write code path which ** could slow down normal operations slightly. Hence, we have decided for - ** now to simply make trancations a no-op if there are pending reads. We + ** now to simply make transactions a no-op if there are pending reads. We ** can maybe revisit this decision in the future. */ return SQLITE_OK; @@ -48059,7 +49230,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ #ifdef SQLITE_TEST /* ** Count the number of fullsyncs and normal syncs. This is used to test -** that syncs and fullsyncs are occuring at the right times. +** that syncs and fullsyncs are occurring at the right times. */ SQLITE_API int sqlite3_sync_count = 0; SQLITE_API int sqlite3_fullsync_count = 0; @@ -48416,7 +49587,7 @@ static int winLock(sqlite3_file *id, int locktype){ */ if( locktype==EXCLUSIVE_LOCK && res ){ assert( pFile->locktype>=SHARED_LOCK ); - res = winUnlockReadLock(pFile); + (void)winUnlockReadLock(pFile); res = winLockFile(&pFile->h, SQLITE_LOCKFILE_FLAGS, SHARED_FIRST, 0, SHARED_SIZE, 0); if( res ){ @@ -49820,6 +50991,7 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789"; size_t i, j; + DWORD pid; int nPre = sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX); int nMax, nBuf, nDir, nLen; char *zBuf; @@ -50032,7 +51204,10 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ j = sqlite3Strlen30(zBuf); sqlite3_randomness(15, &zBuf[j]); + pid = osGetCurrentProcessId(); for(i=0; i<15; i++, j++){ + zBuf[j] += pid & 0xff; + pid >>= 8; zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ]; } zBuf[j] = 0; @@ -50270,7 +51445,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -50287,7 +51462,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -50307,7 +51482,7 @@ static int winOpen( if( isReadWrite ){ int rc2, isRO = 0; sqlite3BeginBenignMalloc(); - rc2 = winAccess(pVfs, zName, SQLITE_ACCESS_READ, &isRO); + rc2 = winAccess(pVfs, zUtf8Name, SQLITE_ACCESS_READ, &isRO); sqlite3EndBenignMalloc(); if( rc2==SQLITE_OK && isRO ) break; } @@ -50530,6 +51705,13 @@ static int winAccess( OSTRACE(("ACCESS name=%s, flags=%x, pResOut=%p\n", zFilename, flags, pResOut)); + if( zFilename==0 ){ + *pResOut = 0; + OSTRACE(("ACCESS name=%s, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n", + zFilename, pResOut, *pResOut)); + return SQLITE_OK; + } + zConverted = winConvertFromUtf8Filename(zFilename); if( zConverted==0 ){ OSTRACE(("ACCESS name=%s, rc=SQLITE_IOERR_NOMEM\n", zFilename)); @@ -52390,7 +53572,7 @@ SQLITE_PRIVATE int sqlite3BitvecSet(Bitvec *p, u32 i){ h = BITVEC_HASH(i++); /* if there wasn't a hash collision, and this doesn't */ /* completely fill the hash, then just add it without */ - /* worring about sub-dividing and re-hashing. */ + /* worrying about sub-dividing and re-hashing. */ if( !p->u.aHash[h] ){ if (p->nSet<(BITVEC_NINT-1)) { goto bitvec_set_end; @@ -52686,11 +53868,15 @@ struct PCache { PgHdr *pPg; unsigned char *a; int j; - pPg = (PgHdr*)pLower->pExtra; - printf("%3lld: nRef %2d flgs %02x data ", i, pPg->nRef, pPg->flags); - a = (unsigned char *)pLower->pBuf; - for(j=0; j<12; j++) printf("%02x", a[j]); - printf(" ptr %p\n", pPg); + if( pLower==0 ){ + printf("%3d: NULL\n", i); + }else{ + pPg = (PgHdr*)pLower->pExtra; + printf("%3d: nRef %2lld flgs %02x data ", i, pPg->nRef, pPg->flags); + a = (unsigned char *)pLower->pBuf; + for(j=0; j<12; j++) printf("%02x", a[j]); + printf(" ptr %p\n", pPg); + } } static void pcacheDump(PCache *pCache){ int N; @@ -52703,9 +53889,8 @@ struct PCache { if( N>sqlite3PcacheMxDump ) N = sqlite3PcacheMxDump; for(i=1; i<=N; i++){ pLower = sqlite3GlobalConfig.pcache2.xFetch(pCache->pCache, i, 0); - if( pLower==0 ) continue; pcachePageTrace(i, pLower); - if( ((PgHdr*)pLower)->pPage==0 ){ + if( pLower && ((PgHdr*)pLower)->pPage==0 ){ sqlite3GlobalConfig.pcache2.xUnpin(pCache->pCache, pLower, 0); } } @@ -52720,7 +53905,7 @@ struct PCache { ** Return 1 if pPg is on the dirty list for pCache. Return 0 if not. ** This routine runs inside of assert() statements only. */ -#ifdef SQLITE_DEBUG +#if defined(SQLITE_ENABLE_EXPENSIVE_ASSERT) static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){ PgHdr *p; for(p=pCache->pDirty; p; p=p->pDirtyNext){ @@ -52728,6 +53913,16 @@ static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){ } return 0; } +static int pageNotOnDirtyList(PCache *pCache, PgHdr *pPg){ + PgHdr *p; + for(p=pCache->pDirty; p; p=p->pDirtyNext){ + if( p==pPg ) return 0; + } + return 1; +} +#else +# define pageOnDirtyList(A,B) 1 +# define pageNotOnDirtyList(A,B) 1 #endif /* @@ -52748,7 +53943,7 @@ SQLITE_PRIVATE int sqlite3PcachePageSanity(PgHdr *pPg){ assert( pCache!=0 ); /* Every page has an associated PCache */ if( pPg->flags & PGHDR_CLEAN ){ assert( (pPg->flags & PGHDR_DIRTY)==0 );/* Cannot be both CLEAN and DIRTY */ - assert( !pageOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirty list */ + assert( pageNotOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirtylist */ }else{ assert( (pPg->flags & PGHDR_DIRTY)!=0 );/* If not CLEAN must be DIRTY */ assert( pPg->pDirtyNext==0 || pPg->pDirtyNext->pDirtyPrev==pPg ); @@ -52884,7 +54079,7 @@ static int numberOfCachePages(PCache *p){ return p->szCache; }else{ i64 n; - /* IMPLEMANTATION-OF: R-59858-46238 If the argument N is negative, then the + /* IMPLEMENTATION-OF: R-59858-46238 If the argument N is negative, then the ** number of cache pages is adjusted to be a number of pages that would ** use approximately abs(N*1024) bytes of memory based on the current ** page size. */ @@ -53372,7 +54567,7 @@ static PgHdr *pcacheMergeDirtyList(PgHdr *pA, PgHdr *pB){ } /* -** Sort the list of pages in accending order by pgno. Pages are +** Sort the list of pages in ascending order by pgno. Pages are ** connected by pDirty pointers. The pDirtyPrev pointers are ** corrupted by this sort. ** @@ -53612,7 +54807,7 @@ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHd ** If N is positive, then N pages worth of memory are allocated using a single ** sqlite3Malloc() call and that memory is used for the first N pages allocated. ** Or if N is negative, then -1024*N bytes of memory are allocated and used -** for as many pages as can be accomodated. +** for as many pages as can be accommodated. ** ** Only one of (2) or (3) can be used. Once the memory available to (2) or ** (3) is exhausted, subsequent allocations fail over to the general-purpose @@ -53646,7 +54841,7 @@ typedef struct PGroup PGroup; ** in memory directly after the associated page data, if the database is ** corrupt, code at the b-tree layer may overread the page buffer and ** read part of this structure before the corruption is detected. This -** can cause a valgrind error if the unitialized gap is accessed. Using u16 +** can cause a valgrind error if the uninitialized gap is accessed. Using u16 ** ensures there is no such gap, and therefore no bytes of uninitialized ** memory in the structure. ** @@ -54866,7 +56061,7 @@ SQLITE_PRIVATE void sqlite3PcacheStats( ** The TEST primitive includes a "batch" number. The TEST primitive ** will only see elements that were inserted before the last change ** in the batch number. In other words, if an INSERT occurs between -** two TESTs where the TESTs have the same batch nubmer, then the +** two TESTs where the TESTs have the same batch number, then the ** value added by the INSERT will not be visible to the second TEST. ** The initial batch number is zero, so if the very first TEST contains ** a non-zero batch number, it will see all prior INSERTs. @@ -55398,6 +56593,7 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 # define sqlite3WalFramesize(z) 0 # define sqlite3WalFindFrame(x,y,z) 0 # define sqlite3WalFile(x) 0 +# undef SQLITE_USE_SEH #else #define WAL_SAVEPOINT_NDATA 4 @@ -55504,6 +56700,10 @@ SQLITE_PRIVATE int sqlite3WalWriteLock(Wal *pWal, int bLock); SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db); #endif +#ifdef SQLITE_USE_SEH +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal*); +#endif + #endif /* ifndef SQLITE_OMIT_WAL */ #endif /* SQLITE_WAL_H */ @@ -55789,7 +56989,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** outstanding transactions have been abandoned, the pager is able to ** transition back to OPEN state, discarding the contents of the ** page-cache and any other in-memory state at the same time. Everything -** is reloaded from disk (and, if necessary, hot-journal rollback peformed) +** is reloaded from disk (and, if necessary, hot-journal rollback performed) ** when a read-transaction is next opened on the pager (transitioning ** the pager into READER state). At that point the system has recovered ** from the error. @@ -56176,7 +57376,7 @@ struct Pager { char *zJournal; /* Name of the journal file */ int (*xBusyHandler)(void*); /* Function to call when busy */ void *pBusyHandlerArg; /* Context argument for xBusyHandler */ - int aStat[4]; /* Total cache hits, misses, writes, spills */ + u32 aStat[4]; /* Total cache hits, misses, writes, spills */ #ifdef SQLITE_TEST int nRead; /* Database pages read */ #endif @@ -56306,9 +57506,8 @@ SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){ #ifndef SQLITE_OMIT_WAL if( pPager->pWal ){ u32 iRead = 0; - int rc; - rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead); - return (rc==SQLITE_OK && iRead==0); + (void)sqlite3WalFindFrame(pPager->pWal, pgno, &iRead); + return iRead==0; } #endif return 1; @@ -56980,9 +58179,32 @@ static int writeJournalHdr(Pager *pPager){ memset(zHeader, 0, sizeof(aJournalMagic)+4); } + + /* The random check-hash initializer */ - sqlite3_randomness(sizeof(pPager->cksumInit), &pPager->cksumInit); + if( pPager->journalMode!=PAGER_JOURNALMODE_MEMORY ){ + sqlite3_randomness(sizeof(pPager->cksumInit), &pPager->cksumInit); + } +#ifdef SQLITE_DEBUG + else{ + /* The Pager.cksumInit variable is usually randomized above to protect + ** against there being existing records in the journal file. This is + ** dangerous, as following a crash they may be mistaken for records + ** written by the current transaction and rolled back into the database + ** file, causing corruption. The following assert statements verify + ** that this is not required in "journal_mode=memory" mode, as in that + ** case the journal file is always 0 bytes in size at this point. + ** It is advantageous to avoid the sqlite3_randomness() call if possible + ** as it takes the global PRNG mutex. */ + i64 sz = 0; + sqlite3OsFileSize(pPager->jfd, &sz); + assert( sz==0 ); + assert( pPager->journalOff==journalHdrOffset(pPager) ); + assert( sqlite3JournalIsInMemory(pPager->jfd) ); + } +#endif put32bits(&zHeader[sizeof(aJournalMagic)+4], pPager->cksumInit); + /* The initial database size */ put32bits(&zHeader[sizeof(aJournalMagic)+8], pPager->dbOrigSize); /* The assumed sector size for this process */ @@ -57162,7 +58384,7 @@ static int readJournalHdr( ** + 4 bytes: super-journal name checksum. ** + 8 bytes: aJournalMagic[]. ** -** The super-journal page checksum is the sum of the bytes in thesuper-journal +** The super-journal page checksum is the sum of the bytes in the super-journal ** name, where each byte is interpreted as a signed 8-bit integer. ** ** If zSuper is a NULL pointer (occurs for a single database transaction), @@ -57215,7 +58437,7 @@ static int writeSuperJournal(Pager *pPager, const char *zSuper){ } pPager->journalOff += (nSuper+20); - /* If the pager is in peristent-journal mode, then the physical + /* If the pager is in persistent-journal mode, then the physical ** journal-file may extend past the end of the super-journal name ** and 8 bytes of magic data just written to the file. This is ** dangerous because the code to rollback a hot-journal file @@ -57385,7 +58607,7 @@ static void pager_unlock(Pager *pPager){ /* ** This function is called whenever an IOERR or FULL error that requires -** the pager to transition into the ERROR state may ahve occurred. +** the pager to transition into the ERROR state may have occurred. ** The first argument is a pointer to the pager structure, the second ** the error-code about to be returned by a pager API function. The ** value returned is a copy of the second argument to this function. @@ -57626,6 +58848,9 @@ static int pager_end_transaction(Pager *pPager, int hasSuper, int bCommit){ return (rc==SQLITE_OK?rc2:rc); } +/* Forward reference */ +static int pager_playback(Pager *pPager, int isHot); + /* ** Execute a rollback if a transaction is active and unlock the ** database file. @@ -57654,13 +58879,28 @@ static void pagerUnlockAndRollback(Pager *pPager){ assert( pPager->eState==PAGER_READER ); pager_end_transaction(pPager, 0, 0); } + }else if( pPager->eState==PAGER_ERROR + && pPager->journalMode==PAGER_JOURNALMODE_MEMORY + && isOpen(pPager->jfd) + ){ + /* Special case for a ROLLBACK due to I/O error with an in-memory + ** journal: We have to rollback immediately, before the journal is + ** closed, because once it is closed, all content is forgotten. */ + int errCode = pPager->errCode; + u8 eLock = pPager->eLock; + pPager->eState = PAGER_OPEN; + pPager->errCode = SQLITE_OK; + pPager->eLock = EXCLUSIVE_LOCK; + pager_playback(pPager, 1); + pPager->errCode = errCode; + pPager->eLock = eLock; } pager_unlock(pPager); } /* ** Parameter aData must point to a buffer of pPager->pageSize bytes -** of data. Compute and return a checksum based ont the contents of the +** of data. Compute and return a checksum based on the contents of the ** page of data and the current value of pPager->cksumInit. ** ** This is not a real checksum. It is really just the sum of the @@ -58093,6 +59333,8 @@ static int pager_truncate(Pager *pPager, Pgno nPage){ int rc = SQLITE_OK; assert( pPager->eState!=PAGER_ERROR ); assert( pPager->eState!=PAGER_READER ); + PAGERTRACE(("Truncate %d npage %u\n", PAGERID(pPager), nPage)); + if( isOpen(pPager->fd) && (pPager->eState>=PAGER_WRITER_DBMOD || pPager->eState==PAGER_OPEN) @@ -58624,7 +59866,7 @@ static int pagerWalFrames( assert( pPager->pWal ); assert( pList ); #ifdef SQLITE_DEBUG - /* Verify that the page list is in accending order */ + /* Verify that the page list is in ascending order */ for(p=pList; p && p->pDirty; p=p->pDirty){ assert( p->pgno < p->pDirty->pgno ); } @@ -58755,7 +59997,7 @@ static int pagerPagecount(Pager *pPager, Pgno *pnPage){ #ifndef SQLITE_OMIT_WAL /* ** Check if the *-wal file that corresponds to the database opened by pPager -** exists if the database is not empy, or verify that the *-wal file does +** exists if the database is not empty, or verify that the *-wal file does ** not exist (by deleting it) if the database file is empty. ** ** If the database is not empty and the *-wal file exists, open the pager @@ -60165,11 +61407,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int rc = SQLITE_OK; /* Return code */ int tempFile = 0; /* True for temp files (incl. in-memory files) */ int memDb = 0; /* True if this is an in-memory file */ -#ifndef SQLITE_OMIT_DESERIALIZE int memJM = 0; /* Memory journal mode */ -#else -# define memJM 0 -#endif int readOnly = 0; /* True if this is a read-only file */ int journalFileSize; /* Bytes to allocate for each journal fd */ char *zPathname = 0; /* Full path to database file */ @@ -60288,12 +61526,13 @@ SQLITE_PRIVATE int sqlite3PagerOpen( ** specific formatting and order of the various filenames, so if the format ** changes here, be sure to change it there as well. */ + assert( SQLITE_PTRSIZE==sizeof(Pager*) ); pPtr = (u8 *)sqlite3MallocZero( ROUND8(sizeof(*pPager)) + /* Pager structure */ ROUND8(pcacheSize) + /* PCache object */ ROUND8(pVfs->szOsFile) + /* The main db file */ journalFileSize * 2 + /* The two journal files */ - sizeof(pPager) + /* Space to hold a pointer */ + SQLITE_PTRSIZE + /* Space to hold a pointer */ 4 + /* Database prefix */ nPathname + 1 + /* database filename */ nUriByte + /* query parameters */ @@ -60314,7 +61553,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->sjfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; pPager->jfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) ); - memcpy(pPtr, &pPager, sizeof(pPager)); pPtr += sizeof(pPager); + memcpy(pPtr, &pPager, SQLITE_PTRSIZE); pPtr += SQLITE_PTRSIZE; /* Fill in the Pager.zFilename and pPager.zQueryParam fields */ pPtr += 4; /* Skip zero prefix */ @@ -60368,9 +61607,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int fout = 0; /* VFS flags returned by xOpen() */ rc = sqlite3OsOpen(pVfs, pPager->zFilename, pPager->fd, vfsFlags, &fout); assert( !memDb ); -#ifndef SQLITE_OMIT_DESERIALIZE pPager->memVfs = memJM = (fout&SQLITE_OPEN_MEMORY)!=0; -#endif readOnly = (fout&SQLITE_OPEN_READONLY)!=0; /* If the file was successfully opened for read/write access, @@ -60507,15 +61744,18 @@ act_like_temp_file: /* ** Return the sqlite3_file for the main database given the name -** of the corresonding WAL or Journal name as passed into +** of the corresponding WAL or Journal name as passed into ** xOpen. */ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char *zName){ Pager *pPager; + const char *p; while( zName[-1]!=0 || zName[-2]!=0 || zName[-3]!=0 || zName[-4]!=0 ){ zName--; } - pPager = *(Pager**)(zName - 4 - sizeof(Pager*)); + p = zName - 4 - sizeof(Pager*); + assert( EIGHT_BYTE_ALIGNMENT(p) ); + pPager = *(Pager**)p; return pPager->fd; } @@ -61010,6 +62250,10 @@ static int getPageNormal( if( !isOpen(pPager->fd) || pPager->dbSizepPager->mxPgno ){ rc = SQLITE_FULL; + if( pgno<=pPager->dbSize ){ + sqlite3PcacheRelease(pPg); + pPg = 0; + } goto pager_acquire_err; } if( noContent ){ @@ -61145,8 +62389,20 @@ SQLITE_PRIVATE int sqlite3PagerGet( DbPage **ppPage, /* Write a pointer to the page here */ int flags /* PAGER_GET_XXX flags */ ){ - /* printf("PAGE %u\n", pgno); fflush(stdout); */ +#if 0 /* Trace page fetch by setting to 1 */ + int rc; + printf("PAGE %u\n", pgno); + fflush(stdout); + rc = pPager->xGet(pPager, pgno, ppPage, flags); + if( rc ){ + printf("PAGE %u failed with 0x%02x\n", pgno, rc); + fflush(stdout); + } + return rc; +#else + /* Normal, high-speed version of sqlite3PagerGet() */ return pPager->xGet(pPager, pgno, ppPage, flags); +#endif } /* @@ -61174,10 +62430,12 @@ SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno){ /* ** Release a page reference. ** -** The sqlite3PagerUnref() and sqlite3PagerUnrefNotNull() may only be -** used if we know that the page being released is not the last page. +** The sqlite3PagerUnref() and sqlite3PagerUnrefNotNull() may only be used +** if we know that the page being released is not the last reference to page1. ** The btree layer always holds page1 open until the end, so these first -** to routines can be used to release any page other than BtShared.pPage1. +** two routines can be used to release any page other than BtShared.pPage1. +** The assert() at tag-20230419-2 proves that this constraint is always +** honored. ** ** Use sqlite3PagerUnrefPageOne() to release page1. This latter routine ** checks the total number of outstanding pages and if the number of @@ -61193,7 +62451,7 @@ SQLITE_PRIVATE void sqlite3PagerUnrefNotNull(DbPage *pPg){ sqlite3PcacheRelease(pPg); } /* Do not use this routine to release the last reference to page1 */ - assert( sqlite3PcacheRefCount(pPager->pPCache)>0 ); + assert( sqlite3PcacheRefCount(pPager->pPCache)>0 ); /* tag-20230419-2 */ } SQLITE_PRIVATE void sqlite3PagerUnref(DbPage *pPg){ if( pPg ) sqlite3PagerUnrefNotNull(pPg); @@ -62020,6 +63278,13 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, 0); if( rc==SQLITE_OK ){ rc = pager_write_pagelist(pPager, pList); + if( rc==SQLITE_OK && pPager->dbSize>pPager->dbFileSize ){ + char *pTmp = pPager->pTmpSpace; + int szPage = (int)pPager->pageSize; + memset(pTmp, 0, szPage); + rc = sqlite3OsWrite(pPager->fd, pTmp, szPage, + ((i64)pPager->dbSize*pPager->pageSize)-szPage); + } if( rc==SQLITE_OK ){ rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0); } @@ -62254,11 +63519,11 @@ SQLITE_PRIVATE int *sqlite3PagerStats(Pager *pPager){ a[3] = pPager->eState==PAGER_OPEN ? -1 : (int) pPager->dbSize; a[4] = pPager->eState; a[5] = pPager->errCode; - a[6] = pPager->aStat[PAGER_STAT_HIT]; - a[7] = pPager->aStat[PAGER_STAT_MISS]; + a[6] = (int)pPager->aStat[PAGER_STAT_HIT] & 0x7fffffff; + a[7] = (int)pPager->aStat[PAGER_STAT_MISS] & 0x7fffffff; a[8] = 0; /* Used to be pPager->nOvfl */ a[9] = pPager->nRead; - a[10] = pPager->aStat[PAGER_STAT_WRITE]; + a[10] = (int)pPager->aStat[PAGER_STAT_WRITE] & 0x7fffffff; return a; } #endif @@ -62274,7 +63539,7 @@ SQLITE_PRIVATE int *sqlite3PagerStats(Pager *pPager){ ** reset parameter is non-zero, the cache hit or miss count is zeroed before ** returning. */ -SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *pPager, int eStat, int reset, int *pnVal){ +SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *pPager, int eStat, int reset, u64 *pnVal){ assert( eStat==SQLITE_DBSTATUS_CACHE_HIT || eStat==SQLITE_DBSTATUS_CACHE_MISS @@ -62786,7 +64051,7 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ assert( pPager->eState!=PAGER_ERROR ); pPager->journalMode = (u8)eMode; - /* When transistioning from TRUNCATE or PERSIST to any other journal + /* When transitioning from TRUNCATE or PERSIST to any other journal ** mode except WAL, unless the pager is in locking_mode=exclusive mode, ** delete the journal file. */ @@ -62831,7 +64096,7 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ } assert( state==pPager->eState ); } - }else if( eMode==PAGER_JOURNALMODE_OFF ){ + }else if( eMode==PAGER_JOURNALMODE_OFF || eMode==PAGER_JOURNALMODE_MEMORY ){ sqlite3OsClose(pPager->jfd); } } @@ -62953,13 +64218,15 @@ SQLITE_PRIVATE int sqlite3PagerWalSupported(Pager *pPager){ */ static int pagerExclusiveLock(Pager *pPager){ int rc; /* Return code */ + u8 eOrigLock; /* Original lock */ - assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK ); + assert( pPager->eLock>=SHARED_LOCK ); + eOrigLock = pPager->eLock; rc = pagerLockDb(pPager, EXCLUSIVE_LOCK); if( rc!=SQLITE_OK ){ /* If the attempt to grab the exclusive lock failed, release the ** pending lock that may have been obtained instead. */ - pagerUnlockDb(pPager, SHARED_LOCK); + pagerUnlockDb(pPager, eOrigLock); } return rc; @@ -63212,6 +64479,12 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ } #endif +#if defined(SQLITE_USE_SEH) && !defined(SQLITE_OMIT_WAL) +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager *pPager){ + return sqlite3WalSystemErrno(pPager->pWal); +} +#endif + #endif /* SQLITE_OMIT_DISKIO */ /************** End of pager.c ***********************************************/ @@ -63502,7 +64775,7 @@ SQLITE_PRIVATE int sqlite3WalTrace = 0; ** ** Technically, the various VFSes are free to implement these locks however ** they see fit. However, compatibility is encouraged so that VFSes can -** interoperate. The standard implemention used on both unix and windows +** interoperate. The standard implementation used on both unix and windows ** is for the index number to indicate a byte offset into the ** WalCkptInfo.aLock[] array in the wal-index header. In other words, all ** locks are on the shm file. The WALINDEX_LOCK_OFFSET constant (which @@ -63578,7 +64851,7 @@ struct WalIndexHdr { ** the mxFrame for that reader. The value READMARK_NOT_USED (0xffffffff) ** for any aReadMark[] means that entry is unused. aReadMark[0] is ** a special case; its value is never used and it exists as a place-holder -** to avoid having to offset aReadMark[] indexs by one. Readers holding +** to avoid having to offset aReadMark[] indexes by one. Readers holding ** WAL_READ_LOCK(0) always ignore the entire WAL and read all content ** directly from the database. ** @@ -63746,7 +65019,15 @@ struct Wal { u32 iReCksum; /* On commit, recalculate checksums from here */ const char *zWalName; /* Name of WAL file */ u32 nCkpt; /* Checkpoint sequence counter in the wal-header */ +#ifdef SQLITE_USE_SEH + u32 lockMask; /* Mask of locks held */ + void *pFree; /* Pointer to sqlite3_free() if exception thrown */ + u32 *pWiValue; /* Value to write into apWiData[iWiPg] */ + int iWiPg; /* Write pWiValue into apWiData[iWiPg] */ + int iSysErrno; /* System error code following exception */ +#endif #ifdef SQLITE_DEBUG + int nSehTry; /* Number of nested SEH_TRY{} blocks */ u8 lockError; /* True if a locking error has occurred */ #endif #ifdef SQLITE_ENABLE_SNAPSHOT @@ -63828,6 +65109,113 @@ struct WalIterator { sizeof(ht_slot)*HASHTABLE_NSLOT + HASHTABLE_NPAGE*sizeof(u32) \ ) +/* +** Structured Exception Handling (SEH) is a Windows-specific technique +** for catching exceptions raised while accessing memory-mapped files. +** +** The -DSQLITE_USE_SEH compile-time option means to use SEH to catch and +** deal with system-level errors that arise during WAL -shm file processing. +** Without this compile-time option, any system-level faults that appear +** while accessing the memory-mapped -shm file will cause a process-wide +** signal to be deliver, which will more than likely cause the entire +** process to exit. +*/ +#ifdef SQLITE_USE_SEH +#include + +/* Beginning of a block of code in which an exception might occur */ +# define SEH_TRY __try { \ + assert( walAssertLockmask(pWal) && pWal->nSehTry==0 ); \ + VVA_ONLY(pWal->nSehTry++); + +/* The end of a block of code in which an exception might occur */ +# define SEH_EXCEPT(X) \ + VVA_ONLY(pWal->nSehTry--); \ + assert( pWal->nSehTry==0 ); \ + } __except( sehExceptionFilter(pWal, GetExceptionCode(), GetExceptionInformation() ) ){ X } + +/* Simulate a memory-mapping fault in the -shm file for testing purposes */ +# define SEH_INJECT_FAULT sehInjectFault(pWal) + +/* +** The second argument is the return value of GetExceptionCode() for the +** current exception. Return EXCEPTION_EXECUTE_HANDLER if the exception code +** indicates that the exception may have been caused by accessing the *-shm +** file mapping. Or EXCEPTION_CONTINUE_SEARCH otherwise. +*/ +static int sehExceptionFilter(Wal *pWal, int eCode, EXCEPTION_POINTERS *p){ + VVA_ONLY(pWal->nSehTry--); + if( eCode==EXCEPTION_IN_PAGE_ERROR ){ + if( p && p->ExceptionRecord && p->ExceptionRecord->NumberParameters>=3 ){ + /* From MSDN: For this type of exception, the first element of the + ** ExceptionInformation[] array is a read-write flag - 0 if the exception + ** was thrown while reading, 1 if while writing. The second element is + ** the virtual address being accessed. The "third array element specifies + ** the underlying NTSTATUS code that resulted in the exception". */ + pWal->iSysErrno = (int)p->ExceptionRecord->ExceptionInformation[2]; + } + return EXCEPTION_EXECUTE_HANDLER; + } + return EXCEPTION_CONTINUE_SEARCH; +} + +/* +** If one is configured, invoke the xTestCallback callback with 650 as +** the argument. If it returns true, throw the same exception that is +** thrown by the system if the *-shm file mapping is accessed after it +** has been invalidated. +*/ +static void sehInjectFault(Wal *pWal){ + int res; + assert( pWal->nSehTry>0 ); + + res = sqlite3FaultSim(650); + if( res!=0 ){ + ULONG_PTR aArg[3]; + aArg[0] = 0; + aArg[1] = 0; + aArg[2] = (ULONG_PTR)res; + RaiseException(EXCEPTION_IN_PAGE_ERROR, 0, 3, (const ULONG_PTR*)aArg); + } +} + +/* +** There are two ways to use this macro. To set a pointer to be freed +** if an exception is thrown: +** +** SEH_FREE_ON_ERROR(0, pPtr); +** +** and to cancel the same: +** +** SEH_FREE_ON_ERROR(pPtr, 0); +** +** In the first case, there must not already be a pointer registered to +** be freed. In the second case, pPtr must be the registered pointer. +*/ +#define SEH_FREE_ON_ERROR(X,Y) \ + assert( (X==0 || Y==0) && pWal->pFree==X ); pWal->pFree = Y + +/* +** There are two ways to use this macro. To arrange for pWal->apWiData[iPg] +** to be set to pValue if an exception is thrown: +** +** SEH_SET_ON_ERROR(iPg, pValue); +** +** and to cancel the same: +** +** SEH_SET_ON_ERROR(0, 0); +*/ +#define SEH_SET_ON_ERROR(X,Y) pWal->iWiPg = X; pWal->pWiValue = Y + +#else +# define SEH_TRY VVA_ONLY(pWal->nSehTry++); +# define SEH_EXCEPT(X) VVA_ONLY(pWal->nSehTry--); assert( pWal->nSehTry==0 ); +# define SEH_INJECT_FAULT assert( pWal->nSehTry>0 ); +# define SEH_FREE_ON_ERROR(X,Y) +# define SEH_SET_ON_ERROR(X,Y) +#endif /* ifdef SQLITE_USE_SEH */ + + /* ** Obtain a pointer to the iPage'th page of the wal-index. The wal-index ** is broken into pages of WALINDEX_PGSZ bytes. Wal-index pages are @@ -63900,6 +65288,7 @@ static int walIndexPage( int iPage, /* The page we seek */ volatile u32 **ppPage /* Write the page pointer here */ ){ + SEH_INJECT_FAULT; if( pWal->nWiData<=iPage || (*ppPage = pWal->apWiData[iPage])==0 ){ return walIndexPageRealloc(pWal, iPage, ppPage); } @@ -63911,6 +65300,7 @@ static int walIndexPage( */ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalCkptInfo*)&(pWal->apWiData[0][sizeof(WalIndexHdr)/2]); } @@ -63919,6 +65309,7 @@ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ */ static volatile WalIndexHdr *walIndexHdr(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalIndexHdr*)pWal->apWiData[0]; } @@ -63964,19 +65355,40 @@ static void walChecksumBytes( assert( nByte>=8 ); assert( (nByte&0x00000007)==0 ); assert( nByte<=65536 ); + assert( nByte%4==0 ); - if( nativeCksum ){ - do { - s1 += *aData++ + s2; - s2 += *aData++ + s1; - }while( aDatalockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ) pWal->lockMask |= (1 << lockIdx); +#endif return rc; } static void walUnlockShared(Wal *pWal, int lockIdx){ if( pWal->exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, 1, SQLITE_SHM_UNLOCK | SQLITE_SHM_SHARED); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(1 << lockIdx); +#endif WALTRACE(("WAL%p: release SHARED-%s\n", pWal, walLockName(lockIdx))); } static int walLockExclusive(Wal *pWal, int lockIdx, int n){ @@ -64171,12 +65589,20 @@ static int walLockExclusive(Wal *pWal, int lockIdx, int n){ WALTRACE(("WAL%p: acquire EXCLUSIVE-%s cnt=%d %s\n", pWal, walLockName(lockIdx), n, rc ? "failed" : "ok")); VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ){ + pWal->lockMask |= (((1<exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, n, SQLITE_SHM_UNLOCK | SQLITE_SHM_EXCLUSIVE); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(((1<apWiData[0][WALINDEX_HDR_SIZE/sizeof(u32) + iFrame - 1]; } @@ -64527,6 +65954,7 @@ static int walIndexRecover(Wal *pWal){ /* Malloc a buffer to read frames into. */ szFrame = szPage + WAL_FRAME_HDRSIZE; aFrame = (u8 *)sqlite3_malloc64(szFrame + WALINDEX_PGSZ); + SEH_FREE_ON_ERROR(0, aFrame); if( !aFrame ){ rc = SQLITE_NOMEM_BKPT; goto recovery_error; @@ -64545,6 +65973,7 @@ static int walIndexRecover(Wal *pWal){ rc = walIndexPage(pWal, iPg, (volatile u32**)&aShare); assert( aShare!=0 || rc!=SQLITE_OK ); if( aShare==0 ) break; + SEH_SET_ON_ERROR(iPg, aShare); pWal->apWiData[iPg] = aPrivate; for(iFrame=iFirst; iFrame<=iLast; iFrame++){ @@ -64572,6 +66001,7 @@ static int walIndexRecover(Wal *pWal){ } } pWal->apWiData[iPg] = aShare; + SEH_SET_ON_ERROR(0,0); nHdr = (iPg==0 ? WALINDEX_HDR_SIZE : 0); nHdr32 = nHdr / sizeof(u32); #ifndef SQLITE_SAFER_WALINDEX_RECOVERY @@ -64602,9 +66032,11 @@ static int walIndexRecover(Wal *pWal){ } } #endif + SEH_INJECT_FAULT; if( iFrame<=iLast ) break; } + SEH_FREE_ON_ERROR(aFrame, 0); sqlite3_free(aFrame); } @@ -64632,6 +66064,7 @@ finished: }else{ pInfo->aReadMark[i] = READMARK_NOT_USED; } + SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc!=SQLITE_BUSY ){ goto recovery_error; @@ -64789,7 +66222,7 @@ SQLITE_PRIVATE int sqlite3WalOpen( } /* -** Change the size to which the WAL file is trucated on each reset. +** Change the size to which the WAL file is truncated on each reset. */ SQLITE_PRIVATE void sqlite3WalLimit(Wal *pWal, i64 iLimit){ if( pWal ) pWal->mxWalSize = iLimit; @@ -65015,23 +66448,16 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ nByte = sizeof(WalIterator) + (nSegment-1)*sizeof(struct WalSegment) + iLast*sizeof(ht_slot); - p = (WalIterator *)sqlite3_malloc64(nByte); + p = (WalIterator *)sqlite3_malloc64(nByte + + sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) + ); if( !p ){ return SQLITE_NOMEM_BKPT; } memset(p, 0, nByte); p->nSegment = nSegment; - - /* Allocate temporary space used by the merge-sort routine. This block - ** of memory will be freed before this function returns. - */ - aTmp = (ht_slot *)sqlite3_malloc64( - sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) - ); - if( !aTmp ){ - rc = SQLITE_NOMEM_BKPT; - } - + aTmp = (ht_slot*)&(((u8*)p)[nByte]); + SEH_FREE_ON_ERROR(0, p); for(i=walFramePage(nBackfill+1); rc==SQLITE_OK && iaSegment[i].aPgno = (u32 *)sLoc.aPgno; } } - sqlite3_free(aTmp); - if( rc!=SQLITE_OK ){ + SEH_FREE_ON_ERROR(p, 0); walIteratorFree(p); p = 0; } @@ -65070,6 +66495,19 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ } #ifdef SQLITE_ENABLE_SETLK_TIMEOUT + + +/* +** Attempt to enable blocking locks that block for nMs ms. Return 1 if +** blocking locks are successfully enabled, or 0 otherwise. +*/ +static int walEnableBlockingMs(Wal *pWal, int nMs){ + int rc = sqlite3OsFileControl( + pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&nMs + ); + return (rc==SQLITE_OK); +} + /* ** Attempt to enable blocking locks. Blocking locks are enabled only if (a) ** they are supported by the VFS, and (b) the database handle is configured @@ -65081,11 +66519,7 @@ static int walEnableBlocking(Wal *pWal){ if( pWal->db ){ int tmout = pWal->db->busyTimeout; if( tmout ){ - int rc; - rc = sqlite3OsFileControl( - pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&tmout - ); - res = (rc==SQLITE_OK); + res = walEnableBlockingMs(pWal, tmout); } } return res; @@ -65134,20 +66568,10 @@ SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db){ pWal->db = db; } -/* -** Take an exclusive WRITE lock. Blocking if so configured. -*/ -static int walLockWriter(Wal *pWal){ - int rc; - walEnableBlocking(pWal); - rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1); - walDisableBlocking(pWal); - return rc; -} #else # define walEnableBlocking(x) 0 # define walDisableBlocking(x) -# define walLockWriter(pWal) walLockExclusive((pWal), WAL_WRITE_LOCK, 1) +# define walEnableBlockingMs(pWal, ms) 0 # define sqlite3WalDb(pWal, db) #endif /* ifdef SQLITE_ENABLE_SETLK_TIMEOUT */ @@ -65287,13 +66711,13 @@ static int walCheckpoint( mxSafeFrame = pWal->hdr.mxFrame; mxPage = pWal->hdr.nPage; for(i=1; iaReadMark+i); + u32 y = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxSafeFrame>y ){ assert( y<=pWal->hdr.mxFrame ); rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1); if( rc==SQLITE_OK ){ u32 iMark = (i==1 ? mxSafeFrame : READMARK_NOT_USED); - AtomicStore(pInfo->aReadMark+i, iMark); + AtomicStore(pInfo->aReadMark+i, iMark); SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc==SQLITE_BUSY ){ mxSafeFrame = y; @@ -65314,8 +66738,7 @@ static int walCheckpoint( && (rc = walBusyLock(pWal,xBusy,pBusyArg,WAL_READ_LOCK(0),1))==SQLITE_OK ){ u32 nBackfill = pInfo->nBackfill; - - pInfo->nBackfillAttempted = mxSafeFrame; + pInfo->nBackfillAttempted = mxSafeFrame; SEH_INJECT_FAULT; /* Sync the WAL to disk */ rc = sqlite3OsSync(pWal->pWalFd, CKPT_SYNC_FLAGS(sync_flags)); @@ -65346,6 +66769,7 @@ static int walCheckpoint( while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){ i64 iOffset; assert( walFramePgno(pWal, iFrame)==iDbpage ); + SEH_INJECT_FAULT; if( AtomicLoad(&db->u1.isInterrupted) ){ rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_INTERRUPT; break; @@ -65375,7 +66799,7 @@ static int walCheckpoint( } } if( rc==SQLITE_OK ){ - AtomicStore(&pInfo->nBackfill, mxSafeFrame); + AtomicStore(&pInfo->nBackfill, mxSafeFrame); SEH_INJECT_FAULT; } } @@ -65397,6 +66821,7 @@ static int walCheckpoint( */ if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){ assert( pWal->writeLock ); + SEH_INJECT_FAULT; if( pInfo->nBackfillhdr.mxFrame ){ rc = SQLITE_BUSY; }else if( eMode>=SQLITE_CHECKPOINT_RESTART ){ @@ -65428,6 +66853,7 @@ static int walCheckpoint( } walcheckpoint_out: + SEH_FREE_ON_ERROR(pIter, 0); walIteratorFree(pIter); return rc; } @@ -65450,6 +66876,93 @@ static void walLimitSize(Wal *pWal, i64 nMax){ } } +#ifdef SQLITE_USE_SEH +/* +** This is the "standard" exception handler used in a few places to handle +** an exception thrown by reading from the *-shm mapping after it has become +** invalid in SQLITE_USE_SEH builds. It is used as follows: +** +** SEH_TRY { ... } +** SEH_EXCEPT( rc = walHandleException(pWal); ) +** +** This function does three things: +** +** 1) Determines the locks that should be held, based on the contents of +** the Wal.readLock, Wal.writeLock and Wal.ckptLock variables. All other +** held locks are assumed to be transient locks that would have been +** released had the exception not been thrown and are dropped. +** +** 2) Frees the pointer at Wal.pFree, if any, using sqlite3_free(). +** +** 3) Set pWal->apWiData[pWal->iWiPg] to pWal->pWiValue if not NULL +** +** 4) Returns SQLITE_IOERR. +*/ +static int walHandleException(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<lockMask & ~( + (pWal->readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) + ); + for(ii=0; iipFree); + pWal->pFree = 0; + if( pWal->pWiValue ){ + pWal->apWiData[pWal->iWiPg] = pWal->pWiValue; + pWal->pWiValue = 0; + } + return SQLITE_IOERR_IN_PAGE; +} + +/* +** Assert that the Wal.lockMask mask, which indicates the locks held +** by the connenction, is consistent with the Wal.readLock, Wal.writeLock +** and Wal.ckptLock variables. To be used as: +** +** assert( walAssertLockmask(pWal) ); +*/ +static int walAssertLockmask(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) +#ifdef SQLITE_ENABLE_SNAPSHOT + | (pWal->pSnapshot ? (pWal->lockMask & (1 << WAL_CKPT_LOCK)) : 0) +#endif + ); + assert( mExpect==pWal->lockMask ); + } + return 1; +} + +/* +** Return and zero the "system error" field set when an +** EXCEPTION_IN_PAGE_ERROR exception is caught. +*/ +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal *pWal){ + int iRet = 0; + if( pWal ){ + iRet = pWal->iSysErrno; + pWal->iSysErrno = 0; + } + return iRet; +} + +#else +# define walAssertLockmask(x) 1 +#endif /* ifdef SQLITE_USE_SEH */ + /* ** Close a connection to a log file. */ @@ -65464,6 +66977,8 @@ SQLITE_PRIVATE int sqlite3WalClose( if( pWal ){ int isDelete = 0; /* True to unlink wal and wal-index files */ + assert( walAssertLockmask(pWal) ); + /* If an EXCLUSIVE lock can be obtained on the database file (using the ** ordinary, rollback-mode locking methods, this guarantees that the ** connection associated with this log file is the only connection to @@ -65488,7 +67003,7 @@ SQLITE_PRIVATE int sqlite3WalClose( ); if( bPersist!=1 ){ /* Try to delete the WAL file if the checkpoint completed and - ** fsyned (rc==SQLITE_OK) and if we are not in persistent-wal + ** fsynced (rc==SQLITE_OK) and if we are not in persistent-wal ** mode (!bPersist) */ isDelete = 1; }else if( pWal->mxWalSize>=0 ){ @@ -65555,7 +67070,7 @@ static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){ ** give false-positive warnings about these accesses because the tools do not ** account for the double-read and the memory barrier. The use of mutexes ** here would be problematic as the memory being accessed is potentially - ** shared among multiple processes and not all mutex implementions work + ** shared among multiple processes and not all mutex implementations work ** reliably in that environment. */ aHdr = walIndexHdr(pWal); @@ -65657,7 +67172,9 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ } }else{ int bWriteLock = pWal->writeLock; - if( bWriteLock || SQLITE_OK==(rc = walLockWriter(pWal)) ){ + if( bWriteLock + || SQLITE_OK==(rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1)) + ){ pWal->writeLock = 1; if( SQLITE_OK==(rc = walIndexPage(pWal, 0, &page0)) ){ badHdr = walIndexTryHdr(pWal, pChanged); @@ -65665,7 +67182,8 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ /* If the wal-index header is still malformed even while holding ** a WRITE lock, it can only mean that the header is corrupted and ** needs to be reconstructed. So run recovery to do exactly that. - */ + ** Disable blocking locks first. */ + walDisableBlocking(pWal); rc = walIndexRecover(pWal); *pChanged = 1; } @@ -65875,6 +67393,37 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ return rc; } +/* +** The final argument passed to walTryBeginRead() is of type (int*). The +** caller should invoke walTryBeginRead as follows: +** +** int cnt = 0; +** do { +** rc = walTryBeginRead(..., &cnt); +** }while( rc==WAL_RETRY ); +** +** The final value of "cnt" is of no use to the caller. It is used by +** the implementation of walTryBeginRead() as follows: +** +** + Each time walTryBeginRead() is called, it is incremented. Once +** it reaches WAL_RETRY_PROTOCOL_LIMIT - indicating that walTryBeginRead() +** has many times been invoked and failed with WAL_RETRY - walTryBeginRead() +** returns SQLITE_PROTOCOL. +** +** + If SQLITE_ENABLE_SETLK_TIMEOUT is defined and walTryBeginRead() failed +** because a blocking lock timed out (SQLITE_BUSY_TIMEOUT from the OS +** layer), the WAL_RETRY_BLOCKED_MASK bit is set in "cnt". In this case +** the next invocation of walTryBeginRead() may omit an expected call to +** sqlite3OsSleep(). There has already been a delay when the previous call +** waited on a lock. +*/ +#define WAL_RETRY_PROTOCOL_LIMIT 100 +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT +# define WAL_RETRY_BLOCKED_MASK 0x10000000 +#else +# define WAL_RETRY_BLOCKED_MASK 0 +#endif + /* ** Attempt to start a read transaction. This might fail due to a race or ** other transient condition. When that happens, it returns WAL_RETRY to @@ -65925,13 +67474,16 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ ** so it takes care to hold an exclusive lock on the corresponding ** WAL_READ_LOCK() while changing values. */ -static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ +static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int *pCnt){ volatile WalCkptInfo *pInfo; /* Checkpoint information in wal-index */ u32 mxReadMark; /* Largest aReadMark[] value */ int mxI; /* Index of largest aReadMark[] value */ int i; /* Loop counter */ int rc = SQLITE_OK; /* Return code */ u32 mxFrame; /* Wal frame to lock to */ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + int nBlockTmout = 0; +#endif assert( pWal->readLock<0 ); /* Not currently locked */ @@ -65955,14 +67507,34 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** so that on the 100th (and last) RETRY we delay for 323 milliseconds. ** The total delay time before giving up is less than 10 seconds. */ - if( cnt>5 ){ + (*pCnt)++; + if( *pCnt>5 ){ int nDelay = 1; /* Pause time in microseconds */ - if( cnt>100 ){ + int cnt = (*pCnt & ~WAL_RETRY_BLOCKED_MASK); + if( cnt>WAL_RETRY_PROTOCOL_LIMIT ){ VVA_ONLY( pWal->lockError = 1; ) return SQLITE_PROTOCOL; } - if( cnt>=10 ) nDelay = (cnt-9)*(cnt-9)*39; + if( *pCnt>=10 ) nDelay = (cnt-9)*(cnt-9)*39; +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + /* In SQLITE_ENABLE_SETLK_TIMEOUT builds, configure the file-descriptor + ** to block for locks for approximately nDelay us. This affects three + ** locks: (a) the shared lock taken on the DMS slot in os_unix.c (if + ** using os_unix.c), (b) the WRITER lock taken in walIndexReadHdr() if the + ** first attempted read fails, and (c) the shared lock taken on the + ** read-mark. + ** + ** If the previous call failed due to an SQLITE_BUSY_TIMEOUT error, + ** then sleep for the minimum of 1us. The previous call already provided + ** an extra delay while it was blocking on the lock. + */ + nBlockTmout = (nDelay+998) / 1000; + if( !useWal && walEnableBlockingMs(pWal, nBlockTmout) ){ + if( *pCnt & WAL_RETRY_BLOCKED_MASK ) nDelay = 1; + } +#endif sqlite3OsSleep(pWal->pVfs, nDelay); + *pCnt &= ~WAL_RETRY_BLOCKED_MASK; } if( !useWal ){ @@ -65970,6 +67542,13 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ if( pWal->bShmUnreliable==0 ){ rc = walIndexReadHdr(pWal, pChanged); } +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + walDisableBlocking(pWal); + if( rc==SQLITE_BUSY_TIMEOUT ){ + rc = SQLITE_BUSY; + *pCnt |= WAL_RETRY_BLOCKED_MASK; + } +#endif if( rc==SQLITE_BUSY ){ /* If there is not a recovery running in another thread or process ** then convert BUSY errors to WAL_RETRY. If recovery is known to @@ -66006,6 +67585,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ assert( pWal->nWiData>0 ); assert( pWal->apWiData[0]!=0 ); pInfo = walCkptInfo(pWal); + SEH_INJECT_FAULT; if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame #ifdef SQLITE_ENABLE_SNAPSHOT && (pWal->pSnapshot==0 || pWal->hdr.mxFrame==0) @@ -66055,7 +67635,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #endif for(i=1; iaReadMark+i); + u32 thisMark = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxReadMark<=thisMark && thisMark<=mxFrame ){ assert( thisMark!=READMARK_NOT_USED ); mxReadMark = thisMark; @@ -66083,9 +67663,19 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ return rc==SQLITE_BUSY ? WAL_RETRY : SQLITE_READONLY_CANTINIT; } + (void)walEnableBlockingMs(pWal, nBlockTmout); rc = walLockShared(pWal, WAL_READ_LOCK(mxI)); + walDisableBlocking(pWal); if( rc ){ - return rc==SQLITE_BUSY ? WAL_RETRY : rc; +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + if( rc==SQLITE_BUSY_TIMEOUT ){ + *pCnt |= WAL_RETRY_BLOCKED_MASK; + } +#else + assert( rc!=SQLITE_BUSY_TIMEOUT ); +#endif + assert( (rc&0xFF)!=SQLITE_BUSY||rc==SQLITE_BUSY||rc==SQLITE_BUSY_TIMEOUT ); + return (rc&0xFF)==SQLITE_BUSY ? WAL_RETRY : rc; } /* Now that the read-lock has been obtained, check that neither the ** value in the aReadMark[] array or the contents of the wal-index @@ -66121,7 +67711,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** we can guarantee that the checkpointer that set nBackfill could not ** see any pages past pWal->hdr.mxFrame, this problem does not come up. */ - pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; + pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; SEH_INJECT_FAULT; walShmBarrier(pWal); if( AtomicLoad(pInfo->aReadMark+mxI)!=mxReadMark || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr)) @@ -66136,6 +67726,54 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #ifdef SQLITE_ENABLE_SNAPSHOT +/* +** This function does the work of sqlite3WalSnapshotRecover(). +*/ +static int walSnapshotRecover( + Wal *pWal, /* WAL handle */ + void *pBuf1, /* Temp buffer pWal->szPage bytes in size */ + void *pBuf2 /* Temp buffer pWal->szPage bytes in size */ +){ + int szPage = (int)pWal->szPage; + int rc; + i64 szDb; /* Size of db file in bytes */ + + rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); + if( rc==SQLITE_OK ){ + volatile WalCkptInfo *pInfo = walCkptInfo(pWal); + u32 i = pInfo->nBackfillAttempted; + for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ + WalHashLoc sLoc; /* Hash table location */ + u32 pgno; /* Page number in db file */ + i64 iDbOff; /* Offset of db file entry */ + i64 iWalOff; /* Offset of wal file entry */ + + rc = walHashGet(pWal, walFramePage(i), &sLoc); + if( rc!=SQLITE_OK ) break; + assert( i - sLoc.iZero - 1 >=0 ); + pgno = sLoc.aPgno[i-sLoc.iZero-1]; + iDbOff = (i64)(pgno-1) * szPage; + + if( iDbOff+szPage<=szDb ){ + iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; + rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); + + if( rc==SQLITE_OK ){ + rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); + } + + if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ + break; + } + } + + pInfo->nBackfillAttempted = i-1; + } + } + + return rc; +} + /* ** Attempt to reduce the value of the WalCkptInfo.nBackfillAttempted ** variable so that older snapshots can be accessed. To do this, loop @@ -66161,50 +67799,21 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ assert( pWal->readLock>=0 ); rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1); if( rc==SQLITE_OK ){ - volatile WalCkptInfo *pInfo = walCkptInfo(pWal); - int szPage = (int)pWal->szPage; - i64 szDb; /* Size of db file in bytes */ - - rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); - if( rc==SQLITE_OK ){ - void *pBuf1 = sqlite3_malloc(szPage); - void *pBuf2 = sqlite3_malloc(szPage); - if( pBuf1==0 || pBuf2==0 ){ - rc = SQLITE_NOMEM; - }else{ - u32 i = pInfo->nBackfillAttempted; - for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ - WalHashLoc sLoc; /* Hash table location */ - u32 pgno; /* Page number in db file */ - i64 iDbOff; /* Offset of db file entry */ - i64 iWalOff; /* Offset of wal file entry */ - - rc = walHashGet(pWal, walFramePage(i), &sLoc); - if( rc!=SQLITE_OK ) break; - assert( i - sLoc.iZero - 1 >=0 ); - pgno = sLoc.aPgno[i-sLoc.iZero-1]; - iDbOff = (i64)(pgno-1) * szPage; - - if( iDbOff+szPage<=szDb ){ - iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; - rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); - - if( rc==SQLITE_OK ){ - rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); - } - - if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ - break; - } - } - - pInfo->nBackfillAttempted = i-1; - } + void *pBuf1 = sqlite3_malloc(pWal->szPage); + void *pBuf2 = sqlite3_malloc(pWal->szPage); + if( pBuf1==0 || pBuf2==0 ){ + rc = SQLITE_NOMEM; + }else{ + pWal->ckptLock = 1; + SEH_TRY { + rc = walSnapshotRecover(pWal, pBuf1, pBuf2); } - - sqlite3_free(pBuf1); - sqlite3_free(pBuf2); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + pWal->ckptLock = 0; } + + sqlite3_free(pBuf1); + sqlite3_free(pBuf2); walUnlockExclusive(pWal, WAL_CKPT_LOCK, 1); } @@ -66213,28 +67822,20 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ #endif /* SQLITE_ENABLE_SNAPSHOT */ /* -** Begin a read transaction on the database. -** -** This routine used to be called sqlite3OpenSnapshot() and with good reason: -** it takes a snapshot of the state of the WAL and wal-index for the current -** instant in time. The current thread will continue to use this snapshot. -** Other threads might append new content to the WAL and wal-index but -** that extra content is ignored by the current thread. -** -** If the database contents have changes since the previous read -** transaction, then *pChanged is set to 1 before returning. The -** Pager layer will use this to know that its cache is stale and -** needs to be flushed. +** This function does the work of sqlite3WalBeginReadTransaction() (see +** below). That function simply calls this one inside an SEH_TRY{...} block. */ -SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ +static int walBeginReadTransaction(Wal *pWal, int *pChanged){ int rc; /* Return code */ int cnt = 0; /* Number of TryBeginRead attempts */ #ifdef SQLITE_ENABLE_SNAPSHOT + int ckptLock = 0; int bChanged = 0; WalIndexHdr *pSnapshot = pWal->pSnapshot; #endif assert( pWal->ckptLock==0 ); + assert( pWal->nSehTry>0 ); #ifdef SQLITE_ENABLE_SNAPSHOT if( pSnapshot ){ @@ -66257,12 +67858,12 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ if( rc!=SQLITE_OK ){ return rc; } - pWal->ckptLock = 1; + ckptLock = 1; } #endif do{ - rc = walTryBeginRead(pWal, pChanged, 0, ++cnt); + rc = walTryBeginRead(pWal, pChanged, 0, &cnt); }while( rc==WAL_RETRY ); testcase( (rc&0xff)==SQLITE_BUSY ); testcase( (rc&0xff)==SQLITE_IOERR ); @@ -66321,15 +67922,37 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ } /* Release the shared CKPT lock obtained above. */ - if( pWal->ckptLock ){ + if( ckptLock ){ assert( pSnapshot ); walUnlockShared(pWal, WAL_CKPT_LOCK); - pWal->ckptLock = 0; } #endif return rc; } +/* +** Begin a read transaction on the database. +** +** This routine used to be called sqlite3OpenSnapshot() and with good reason: +** it takes a snapshot of the state of the WAL and wal-index for the current +** instant in time. The current thread will continue to use this snapshot. +** Other threads might append new content to the WAL and wal-index but +** that extra content is ignored by the current thread. +** +** If the database contents have changes since the previous read +** transaction, then *pChanged is set to 1 before returning. The +** Pager layer will use this to know that its cache is stale and +** needs to be flushed. +*/ +SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ + int rc; + SEH_TRY { + rc = walBeginReadTransaction(pWal, pChanged); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** Finish with a read transaction. All this does is release the ** read-lock. @@ -66350,7 +67973,7 @@ SQLITE_PRIVATE void sqlite3WalEndReadTransaction(Wal *pWal){ ** Return SQLITE_OK if successful, or an error code if an error occurs. If an ** error does occur, the final value of *piRead is undefined. */ -SQLITE_PRIVATE int sqlite3WalFindFrame( +static int walFindFrame( Wal *pWal, /* WAL handle */ Pgno pgno, /* Database page number to read data for */ u32 *piRead /* OUT: Frame number (or zero) */ @@ -66413,6 +68036,7 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( } nCollide = HASHTABLE_NSLOT; iKey = walHash(pgno); + SEH_INJECT_FAULT; while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){ u32 iFrame = iH + sLoc.iZero; if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH-1]==pgno ){ @@ -66420,6 +68044,7 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( iRead = iFrame; } if( (nCollide--)==0 ){ + *piRead = 0; return SQLITE_CORRUPT_BKPT; } iKey = walNextHash(iKey); @@ -66449,6 +68074,30 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( return SQLITE_OK; } +/* +** Search the wal file for page pgno. If found, set *piRead to the frame that +** contains the page. Otherwise, if pgno is not in the wal file, set *piRead +** to zero. +** +** Return SQLITE_OK if successful, or an error code if an error occurs. If an +** error does occur, the final value of *piRead is undefined. +** +** The difference between this function and walFindFrame() is that this +** function wraps walFindFrame() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFindFrame( + Wal *pWal, /* WAL handle */ + Pgno pgno, /* Database page number to read data for */ + u32 *piRead /* OUT: Frame number (or zero) */ +){ + int rc; + SEH_TRY { + rc = walFindFrame(pWal, pgno, piRead); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + return rc; +} + /* ** Read the contents of frame iRead from the wal file into buffer pOut ** (which is nOut bytes in size). Return SQLITE_OK if successful, or an @@ -66530,12 +68179,17 @@ SQLITE_PRIVATE int sqlite3WalBeginWriteTransaction(Wal *pWal){ ** time the read transaction on this connection was started, then ** the write is disallowed. */ - if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + SEH_TRY { + if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + rc = SQLITE_BUSY_SNAPSHOT; + } + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + + if( rc!=SQLITE_OK ){ walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); pWal->writeLock = 0; - rc = SQLITE_BUSY_SNAPSHOT; } - return rc; } @@ -66571,30 +68225,33 @@ SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *p Pgno iMax = pWal->hdr.mxFrame; Pgno iFrame; - /* Restore the clients cache of the wal-index header to the state it - ** was in before the client began writing to the database. - */ - memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); - - for(iFrame=pWal->hdr.mxFrame+1; - ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; - iFrame++ - ){ - /* This call cannot fail. Unless the page for which the page number - ** is passed as the second argument is (a) in the cache and - ** (b) has an outstanding reference, then xUndo is either a no-op - ** (if (a) is false) or simply expels the page from the cache (if (b) - ** is false). - ** - ** If the upper layer is doing a rollback, it is guaranteed that there - ** are no outstanding references to any page other than page 1. And - ** page 1 is never written to the log until the transaction is - ** committed. As a result, the call to xUndo may not fail. + SEH_TRY { + /* Restore the clients cache of the wal-index header to the state it + ** was in before the client began writing to the database. */ - assert( walFramePgno(pWal, iFrame)!=1 ); - rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); + + for(iFrame=pWal->hdr.mxFrame+1; + ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; + iFrame++ + ){ + /* This call cannot fail. Unless the page for which the page number + ** is passed as the second argument is (a) in the cache and + ** (b) has an outstanding reference, then xUndo is either a no-op + ** (if (a) is false) or simply expels the page from the cache (if (b) + ** is false). + ** + ** If the upper layer is doing a rollback, it is guaranteed that there + ** are no outstanding references to any page other than page 1. And + ** page 1 is never written to the log until the transaction is + ** committed. As a result, the call to xUndo may not fail. + */ + assert( walFramePgno(pWal, iFrame)!=1 ); + rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + } + if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); } - if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; } @@ -66638,7 +68295,10 @@ SQLITE_PRIVATE int sqlite3WalSavepointUndo(Wal *pWal, u32 *aWalData){ pWal->hdr.mxFrame = aWalData[0]; pWal->hdr.aFrameCksum[0] = aWalData[1]; pWal->hdr.aFrameCksum[1] = aWalData[2]; - walCleanupHash(pWal); + SEH_TRY { + walCleanupHash(pWal); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; @@ -66688,7 +68348,7 @@ static int walRestartLog(Wal *pWal){ cnt = 0; do{ int notUsed; - rc = walTryBeginRead(pWal, ¬Used, 1, ++cnt); + rc = walTryBeginRead(pWal, ¬Used, 1, &cnt); }while( rc==WAL_RETRY ); assert( (rc&0xff)!=SQLITE_BUSY ); /* BUSY not possible when useWal==1 */ testcase( (rc&0xff)==SQLITE_IOERR ); @@ -66819,7 +68479,7 @@ static int walRewriteChecksums(Wal *pWal, u32 iLast){ ** Write a set of frames to the log. The caller must hold the write-lock ** on the log file (obtained using sqlite3WalBeginWriteTransaction()). */ -SQLITE_PRIVATE int sqlite3WalFrames( +static int walFrames( Wal *pWal, /* Wal handle to write to */ int szPage, /* Database page-size in bytes */ PgHdr *pList, /* List of dirty pages to write */ @@ -66907,7 +68567,9 @@ SQLITE_PRIVATE int sqlite3WalFrames( if( rc ) return rc; } } - assert( (int)pWal->szPage==szPage ); + if( (int)pWal->szPage!=szPage ){ + return SQLITE_CORRUPT_BKPT; /* TH3 test case: cov1/corrupt155.test */ + } /* Setup information needed to write frames into the WAL */ w.pWal = pWal; @@ -66928,7 +68590,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( ** checksums must be recomputed when the transaction is committed. */ if( iFirst && (p->pDirty || isCommit==0) ){ u32 iWrite = 0; - VVA_ONLY(rc =) sqlite3WalFindFrame(pWal, p->pgno, &iWrite); + VVA_ONLY(rc =) walFindFrame(pWal, p->pgno, &iWrite); assert( rc==SQLITE_OK || iWrite==0 ); if( iWrite>=iFirst ){ i64 iOff = walFrameOffset(iWrite, szPage) + WAL_FRAME_HDRSIZE; @@ -67047,6 +68709,29 @@ SQLITE_PRIVATE int sqlite3WalFrames( return rc; } +/* +** Write a set of frames to the log. The caller must hold the write-lock +** on the log file (obtained using sqlite3WalBeginWriteTransaction()). +** +** The difference between this function and walFrames() is that this +** function wraps walFrames() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFrames( + Wal *pWal, /* Wal handle to write to */ + int szPage, /* Database page-size in bytes */ + PgHdr *pList, /* List of dirty pages to write */ + Pgno nTruncate, /* Database size after this commit */ + int isCommit, /* True if this is a commit */ + int sync_flags /* Flags to pass to OsSync() (or 0) */ +){ + int rc; + SEH_TRY { + rc = walFrames(pWal, szPage, pList, nTruncate, isCommit, sync_flags); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** This routine is called to implement sqlite3_wal_checkpoint() and ** related interfaces. @@ -67084,10 +68769,9 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( if( pWal->readOnly ) return SQLITE_READONLY; WALTRACE(("WAL%p: checkpoint begins\n", pWal)); - /* Enable blocking locks, if possible. If blocking locks are successfully - ** enabled, set xBusy2=0 so that the busy-handler is never invoked. */ + /* Enable blocking locks, if possible. */ sqlite3WalDb(pWal, db); - (void)walEnableBlocking(pWal); + if( xBusy2 ) (void)walEnableBlocking(pWal); /* IMPLEMENTATION-OF: R-62028-47212 All calls obtain an exclusive ** "checkpoint" lock on the database file. @@ -67126,30 +68810,38 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( /* Read the wal-index header. */ - if( rc==SQLITE_OK ){ - walDisableBlocking(pWal); - rc = walIndexReadHdr(pWal, &isChanged); - (void)walEnableBlocking(pWal); - if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ - sqlite3OsUnfetch(pWal->pDbFd, 0, 0); - } - } - - /* Copy data from the log to the database file. */ - if( rc==SQLITE_OK ){ - - if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ - rc = SQLITE_CORRUPT_BKPT; - }else{ - rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags, zBuf); - } - - /* If no error occurred, set the output variables. */ - if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ - if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; - if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + SEH_TRY { + if( rc==SQLITE_OK ){ + /* For a passive checkpoint, do not re-enable blocking locks after + ** reading the wal-index header. A passive checkpoint should not block + ** or invoke the busy handler. The only lock such a checkpoint may + ** attempt to obtain is a lock on a read-slot, and it should give up + ** immediately and do a partial checkpoint if it cannot obtain it. */ + walDisableBlocking(pWal); + rc = walIndexReadHdr(pWal, &isChanged); + if( eMode2!=SQLITE_CHECKPOINT_PASSIVE ) (void)walEnableBlocking(pWal); + if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ + sqlite3OsUnfetch(pWal->pDbFd, 0, 0); + } + } + + /* Copy data from the log to the database file. */ + if( rc==SQLITE_OK ){ + if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ + rc = SQLITE_CORRUPT_BKPT; + }else{ + rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags,zBuf); + } + + /* If no error occurred, set the output variables. */ + if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ + if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; + SEH_INJECT_FAULT; + if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) if( isChanged ){ /* If a new wal-index header was loaded before the checkpoint was @@ -67226,7 +68918,9 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op){ ** locks are taken in this case). Nor should the pager attempt to ** upgrade to exclusive-mode following such an error. */ +#ifndef SQLITE_USE_SEH assert( pWal->readLock>=0 || pWal->lockError ); +#endif assert( pWal->readLock>=0 || (op<=0 && pWal->exclusiveMode==0) ); if( op==0 ){ @@ -67327,16 +69021,19 @@ SQLITE_API int sqlite3_snapshot_cmp(sqlite3_snapshot *p1, sqlite3_snapshot *p2){ */ SQLITE_PRIVATE int sqlite3WalSnapshotCheck(Wal *pWal, sqlite3_snapshot *pSnapshot){ int rc; - rc = walLockShared(pWal, WAL_CKPT_LOCK); - if( rc==SQLITE_OK ){ - WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; - if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) - || pNew->mxFramenBackfillAttempted - ){ - rc = SQLITE_ERROR_SNAPSHOT; - walUnlockShared(pWal, WAL_CKPT_LOCK); + SEH_TRY { + rc = walLockShared(pWal, WAL_CKPT_LOCK); + if( rc==SQLITE_OK ){ + WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; + if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) + || pNew->mxFramenBackfillAttempted + ){ + rc = SQLITE_ERROR_SNAPSHOT; + walUnlockShared(pWal, WAL_CKPT_LOCK); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) return rc; } @@ -67459,7 +69156,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** 22 1 Min embedded payload fraction (must be 32) ** 23 1 Min leaf payload fraction (must be 32) ** 24 4 File change counter -** 28 4 Reserved for future use +** 28 4 The size of the database in pages ** 32 4 First freelist page ** 36 4 Number of freelist pages in the file ** 40 60 15 4-byte meta values passed to higher layers @@ -67567,7 +69264,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** byte are used. The integer consists of all bytes that have bit 8 set and ** the first byte with bit 8 clear. The most significant byte of the integer ** appears first. A variable-length integer may not be more than 9 bytes long. -** As a special case, all 8 bytes of the 9th byte are used as data. This +** As a special case, all 8 bits of the 9th byte are used as data. This ** allows a 64-bit integer to be encoded in 9 bytes. ** ** 0x00 becomes 0x00000000 @@ -67575,7 +69272,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** 0x81 0x00 becomes 0x00000080 ** 0x82 0x00 becomes 0x00000100 ** 0x80 0x7f becomes 0x0000007f -** 0x8a 0x91 0xd1 0xac 0x78 becomes 0x12345678 +** 0x81 0x91 0xd1 0xac 0x78 becomes 0x12345678 ** 0x81 0x81 0x81 0x81 0x01 becomes 0x10204081 ** ** Variable length integers are used for rowids and to hold the number of @@ -67658,7 +69355,7 @@ typedef struct CellInfo CellInfo; ** page that has been loaded into memory. The information in this object ** is derived from the raw on-disk page content. ** -** As each database page is loaded into memory, the pager allocats an +** As each database page is loaded into memory, the pager allocates an ** instance of this object and zeros the first 8 bytes. (This is the ** "extra" information associated with each page of the pager.) ** @@ -67951,7 +69648,7 @@ struct BtCursor { #define BTCF_WriteFlag 0x01 /* True if a write cursor */ #define BTCF_ValidNKey 0x02 /* True if info.nKey is valid */ #define BTCF_ValidOvfl 0x04 /* True if aOverflow is valid */ -#define BTCF_AtLast 0x08 /* Cursor is pointing ot the last entry */ +#define BTCF_AtLast 0x08 /* Cursor is pointing to the last entry */ #define BTCF_Incrblob 0x10 /* True if an incremental I/O handle */ #define BTCF_Multiple 0x20 /* Maybe another cursor on the same btree */ #define BTCF_Pinned 0x40 /* Cursor is busy and cannot be moved */ @@ -68090,14 +69787,15 @@ struct IntegrityCk { BtShared *pBt; /* The tree being checked out */ Pager *pPager; /* The associated pager. Also accessible by pBt->pPager */ u8 *aPgRef; /* 1 bit per page in the db (see above) */ - Pgno nPage; /* Number of pages in the database */ + Pgno nCkPage; /* Pages in the database. 0 for partial check */ int mxErr; /* Stop accumulating errors when this reaches zero */ int nErr; /* Number of messages written to zErrMsg so far */ int rc; /* SQLITE_OK, SQLITE_NOMEM, or SQLITE_INTERRUPT */ u32 nStep; /* Number of steps into the integrity_check process */ const char *zPfx; /* Error message prefix */ - Pgno v1; /* Value for first %u substitution in zPfx */ - int v2; /* Value for second %d substitution in zPfx */ + Pgno v0; /* Value for first %u substitution in zPfx (root page) */ + Pgno v1; /* Value for second %u substitution in zPfx (current pg) */ + int v2; /* Value for third %d substitution in zPfx */ StrAccum errMsg; /* Accumulate the error message text here */ u32 *heap; /* Min-heap used for analyzing cell coverage */ sqlite3 *db; /* Database connection running the check */ @@ -68113,7 +69811,7 @@ struct IntegrityCk { /* ** get2byteAligned(), unlike get2byte(), requires that its argument point to a -** two-byte aligned address. get2bytea() is only used for accessing the +** two-byte aligned address. get2byteAligned() is only used for accessing the ** cell addresses in a btree header. */ #if SQLITE_BYTEORDER==4321 @@ -68290,7 +69988,7 @@ SQLITE_PRIVATE int sqlite3BtreeHoldsMutex(Btree *p){ ** ** There is a corresponding leave-all procedures. ** -** Enter the mutexes in accending order by BtShared pointer address +** Enter the mutexes in ascending order by BtShared pointer address ** to avoid the possibility of deadlock when two threads with ** two or more btrees in common both try to lock all their btrees ** at the same instant. @@ -68560,8 +70258,8 @@ SQLITE_PRIVATE sqlite3_uint64 sqlite3BtreeSeekCount(Btree *pBt){ int corruptPageError(int lineno, MemPage *p){ char *zMsg; sqlite3BeginBenignMalloc(); - zMsg = sqlite3_mprintf("database corruption page %d of %s", - (int)p->pgno, sqlite3PagerFilename(p->pBt->pPager, 0) + zMsg = sqlite3_mprintf("database corruption page %u of %s", + p->pgno, sqlite3PagerFilename(p->pBt->pPager, 0) ); sqlite3EndBenignMalloc(); if( zMsg ){ @@ -69370,8 +71068,25 @@ SQLITE_PRIVATE int sqlite3BtreeCursorRestore(BtCursor *pCur, int *pDifferentRow) */ SQLITE_PRIVATE void sqlite3BtreeCursorHint(BtCursor *pCur, int eHintType, ...){ /* Used only by system that substitute their own storage engine */ +#ifdef SQLITE_DEBUG + if( ALWAYS(eHintType==BTREE_HINT_RANGE) ){ + va_list ap; + Expr *pExpr; + Walker w; + memset(&w, 0, sizeof(w)); + w.xExprCallback = sqlite3CursorRangeHintExprCheck; + va_start(ap, eHintType); + pExpr = va_arg(ap, Expr*); + w.u.aMem = va_arg(ap, Mem*); + va_end(ap); + assert( pExpr!=0 ); + assert( w.u.aMem!=0 ); + sqlite3WalkExpr(&w, pExpr); + } +#endif /* SQLITE_DEBUG */ } -#endif +#endif /* SQLITE_ENABLE_CURSOR_HINTS */ + /* ** Provide flag hints to the cursor. @@ -69456,7 +71171,7 @@ static void ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent, int *pRC){ pPtrmap = (u8 *)sqlite3PagerGetData(pDbPage); if( eType!=pPtrmap[offset] || get4byte(&pPtrmap[offset+1])!=parent ){ - TRACE(("PTRMAP_UPDATE: %d->(%d,%d)\n", key, eType, parent)); + TRACE(("PTRMAP_UPDATE: %u->(%u,%u)\n", key, eType, parent)); *pRC= rc = sqlite3PagerWrite(pDbPage); if( rc==SQLITE_OK ){ pPtrmap[offset] = eType; @@ -69655,27 +71370,31 @@ static void btreeParseCellPtr( iKey = *pIter; if( iKey>=0x80 ){ u8 x; - iKey = ((iKey&0x7f)<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x =*++pIter) & 0x7f); + iKey = (iKey<<7) ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ 0x10204000 ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<7) | ((x = *++pIter) & 0x7f); + iKey = (iKey<<7) ^ 0x4000 ^ (x = *++pIter); if( x>=0x80 ){ - iKey = (iKey<<8) | (*++pIter); + iKey = (iKey<<8) ^ 0x8000 ^ (*++pIter); } } } } } + }else{ + iKey ^= 0x204000; } + }else{ + iKey ^= 0x4000; } } pIter++; @@ -69752,10 +71471,11 @@ static void btreeParseCell( ** ** cellSizePtrNoPayload() => table internal nodes ** cellSizePtrTableLeaf() => table leaf nodes -** cellSizePtr() => all index nodes & table leaf nodes +** cellSizePtr() => index internal nodes +** cellSizeIdxLeaf() => index leaf nodes */ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ - u8 *pIter = pCell + pPage->childPtrSize; /* For looping over bytes of pCell */ + u8 *pIter = pCell + 4; /* For looping over bytes of pCell */ u8 *pEnd; /* End mark for a varint */ u32 nSize; /* Size value to return */ @@ -69768,6 +71488,49 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ pPage->xParseCell(pPage, pCell, &debuginfo); #endif + assert( pPage->childPtrSize==4 ); + nSize = *pIter; + if( nSize>=0x80 ){ + pEnd = &pIter[8]; + nSize &= 0x7f; + do{ + nSize = (nSize<<7) | (*++pIter & 0x7f); + }while( *(pIter)>=0x80 && pItermaxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize<=pPage->maxLocal ){ + nSize += (u32)(pIter - pCell); + assert( nSize>4 ); + }else{ + int minLocal = pPage->minLocal; + nSize = minLocal + (nSize - minLocal) % (pPage->pBt->usableSize - 4); + testcase( nSize==pPage->maxLocal ); + testcase( nSize==(u32)pPage->maxLocal+1 ); + if( nSize>pPage->maxLocal ){ + nSize = minLocal; + } + nSize += 4 + (u16)(pIter - pCell); + } + assert( nSize==debuginfo.nSize || CORRUPT_DB ); + return (u16)nSize; +} +static u16 cellSizePtrIdxLeaf(MemPage *pPage, u8 *pCell){ + u8 *pIter = pCell; /* For looping over bytes of pCell */ + u8 *pEnd; /* End mark for a varint */ + u32 nSize; /* Size value to return */ + +#ifdef SQLITE_DEBUG + /* The value returned by this function should always be the same as + ** the (CellInfo.nSize) value found by doing a full parse of the + ** cell. If SQLITE_DEBUG is defined, an assert() at the bottom of + ** this function verifies that this invariant is not violated. */ + CellInfo debuginfo; + pPage->xParseCell(pPage, pCell, &debuginfo); +#endif + + assert( pPage->childPtrSize==0 ); nSize = *pIter; if( nSize>=0x80 ){ pEnd = &pIter[8]; @@ -69892,7 +71655,7 @@ static void ptrmapPutOvflPtr(MemPage *pPage, MemPage *pSrc, u8 *pCell,int *pRC){ pPage->xParseCell(pPage, pCell, &info); if( info.nLocalaDataEnd, pCell, pCell+info.nLocal) ){ + if( SQLITE_OVERFLOW(pSrc->aDataEnd, pCell, pCell+info.nLocal) ){ testcase( pSrc!=pPage ); *pRC = SQLITE_CORRUPT_BKPT; return; @@ -69993,7 +71756,7 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ iCellStart = get2byte(&data[hdr+5]); if( nCell>0 ){ temp = sqlite3PagerTempSpace(pPage->pBt->pPager); - memcpy(&temp[iCellStart], &data[iCellStart], usableSize - iCellStart); + memcpy(temp, data, usableSize); src = temp; for(i=0; iiCellLast ){ + if( pc>iCellLast ){ return SQLITE_CORRUPT_PAGE(pPage); } - assert( pc>=iCellStart && pc<=iCellLast ); + assert( pc>=0 && pc<=iCellLast ); size = pPage->xCellSize(pPage, &src[pc]); cbrk -= size; if( cbrkusableSize ){ @@ -70122,7 +71885,7 @@ static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){ ** allocation is being made in order to insert a new cell, so we will ** also end up needing a new cell pointer. */ -static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ +static SQLITE_INLINE int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ const int hdr = pPage->hdrOffset; /* Local cache of pPage->hdrOffset */ u8 * const data = pPage->aData; /* Local cache of pPage->aData */ int top; /* First byte of cell content area */ @@ -70148,13 +71911,14 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ ** integer, so a value of 0 is used in its place. */ pTmp = &data[hdr+5]; top = get2byte(pTmp); - assert( top<=(int)pPage->pBt->usableSize ); /* by btreeComputeFreeSpace() */ if( gap>top ){ if( top==0 && pPage->pBt->usableSize==65536 ){ top = 65536; }else{ return SQLITE_CORRUPT_PAGE(pPage); } + }else if( top>(int)pPage->pBt->usableSize ){ + return SQLITE_CORRUPT_PAGE(pPage); } /* If there is enough space between gap and top for one more cell pointer, @@ -70216,7 +71980,7 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ ** ** Even though the freeblock list was checked by btreeComputeFreeSpace(), ** that routine will not detect overlap between cells or freeblocks. Nor -** does it detect cells or freeblocks that encrouch into the reserved bytes +** does it detect cells or freeblocks that encroach into the reserved bytes ** at the end of the page. So do additional corruption checks inside this ** routine and return SQLITE_CORRUPT if any problems are found. */ @@ -70237,7 +72001,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ - assert( iStart<=pPage->pBt->usableSize-4 ); + assert( CORRUPT_DB || iStart<=pPage->pBt->usableSize-4 ); /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. @@ -70294,6 +72058,11 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ } pTmp = &data[hdr+5]; x = get2byte(pTmp); + if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ + /* Overwrite deleted information with zeros when the secure_delete + ** option is enabled */ + memset(&data[iStart], 0, iSize); + } if( iStart<=x ){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another @@ -70305,14 +72074,9 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ }else{ /* Insert the new freeblock into the freelist */ put2byte(&data[iPtr], iStart); + put2byte(&data[iStart], iFreeBlk); + put2byte(&data[iStart+2], iSize); } - if( pPage->pBt->btsFlags & BTS_FAST_SECURE ){ - /* Overwrite deleted information with zeros when the secure_delete - ** option is enabled */ - memset(&data[iStart], 0, iSize); - } - put2byte(&data[iStart], iFreeBlk); - put2byte(&data[iStart+2], iSize); pPage->nFree += iOrigSize; return SQLITE_OK; } @@ -70349,14 +72113,14 @@ static int decodeFlags(MemPage *pPage, int flagByte){ }else if( flagByte==(PTF_ZERODATA | PTF_LEAF) ){ pPage->intKey = 0; pPage->intKeyLeaf = 0; - pPage->xCellSize = cellSizePtr; + pPage->xCellSize = cellSizePtrIdxLeaf; pPage->xParseCell = btreeParseCellPtrIndex; pPage->maxLocal = pBt->maxLocal; pPage->minLocal = pBt->minLocal; }else{ pPage->intKey = 0; pPage->intKeyLeaf = 0; - pPage->xCellSize = cellSizePtr; + pPage->xCellSize = cellSizePtrIdxLeaf; pPage->xParseCell = btreeParseCellPtrIndex; return SQLITE_CORRUPT_PAGE(pPage); } @@ -70675,68 +72439,41 @@ SQLITE_PRIVATE Pgno sqlite3BtreeLastPage(Btree *p){ /* ** Get a page from the pager and initialize it. -** -** If pCur!=0 then the page is being fetched as part of a moveToChild() -** call. Do additional sanity checking on the page in this case. -** And if the fetch fails, this routine must decrement pCur->iPage. -** -** The page is fetched as read-write unless pCur is not NULL and is -** a read-only cursor. -** -** If an error occurs, then *ppPage is undefined. It -** may remain unchanged, or it may be set to an invalid value. */ static int getAndInitPage( BtShared *pBt, /* The database file */ Pgno pgno, /* Number of the page to get */ MemPage **ppPage, /* Write the page pointer here */ - BtCursor *pCur, /* Cursor to receive the page, or NULL */ int bReadOnly /* True for a read-only page */ ){ int rc; DbPage *pDbPage; + MemPage *pPage; assert( sqlite3_mutex_held(pBt->mutex) ); - assert( pCur==0 || ppPage==&pCur->pPage ); - assert( pCur==0 || bReadOnly==pCur->curPagerFlags ); - assert( pCur==0 || pCur->iPage>0 ); if( pgno>btreePagecount(pBt) ){ - rc = SQLITE_CORRUPT_BKPT; - goto getAndInitPage_error1; + *ppPage = 0; + return SQLITE_CORRUPT_BKPT; } rc = sqlite3PagerGet(pBt->pPager, pgno, (DbPage**)&pDbPage, bReadOnly); if( rc ){ - goto getAndInitPage_error1; + *ppPage = 0; + return rc; } - *ppPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); - if( (*ppPage)->isInit==0 ){ + pPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); + if( pPage->isInit==0 ){ btreePageFromDbPage(pDbPage, pgno, pBt); - rc = btreeInitPage(*ppPage); + rc = btreeInitPage(pPage); if( rc!=SQLITE_OK ){ - goto getAndInitPage_error2; + releasePage(pPage); + *ppPage = 0; + return rc; } } - assert( (*ppPage)->pgno==pgno || CORRUPT_DB ); - assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); - - /* If obtaining a child page for a cursor, we must verify that the page is - ** compatible with the root page. */ - if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ - rc = SQLITE_CORRUPT_PGNO(pgno); - goto getAndInitPage_error2; - } + assert( pPage->pgno==pgno || CORRUPT_DB ); + assert( pPage->aData==sqlite3PagerGetData(pDbPage) ); + *ppPage = pPage; return SQLITE_OK; - -getAndInitPage_error2: - releasePage(*ppPage); -getAndInitPage_error1: - if( pCur ){ - pCur->iPage--; - pCur->pPage = pCur->apPage[pCur->iPage]; - } - testcase( pgno==0 ); - assert( pgno!=0 || rc!=SQLITE_OK ); - return rc; } /* @@ -70819,7 +72556,7 @@ static void pageReinit(DbPage *pData){ ** call to btreeInitPage() will likely return SQLITE_CORRUPT. ** But no harm is done by this. And it is very important that ** btreeInitPage() be called on every btree page so we make - ** the call for every page that comes in for re-initing. */ + ** the call for every page that comes in for re-initializing. */ btreeInitPage(pPage); } } @@ -70998,6 +72735,9 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( assert( sizeof(u16)==2 ); assert( sizeof(Pgno)==4 ); + /* Suppress false-positive compiler warning from PVS-Studio */ + memset(&zDbHeader[16], 0, 8); + pBt = sqlite3MallocZero( sizeof(*pBt) ); if( pBt==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -71214,7 +72954,7 @@ static SQLITE_NOINLINE int allocateTempSpace(BtShared *pBt){ ** can mean that fillInCell() only initializes the first 2 or 3 ** bytes of pTmpSpace, but that the first 4 bytes are copied from ** it into a database page. This is not actually a problem, but it - ** does cause a valgrind error when the 1 or 2 bytes of unitialized + ** does cause a valgrind error when the 1 or 2 bytes of uninitialized ** data is passed to system call write(). So to avoid this error, ** zero the first 4 bytes of temp space here. ** @@ -71449,7 +73189,7 @@ SQLITE_PRIVATE int sqlite3BtreeGetReserveNoMutex(Btree *p){ /* ** Return the number of bytes of space at the end of every page that -** are intentually left unused. This is the "reserved" space that is +** are intentionally left unused. This is the "reserved" space that is ** sometimes used by extensions. ** ** The value returned is the larger of the current reserve size and @@ -71696,7 +73436,6 @@ static int lockBtree(BtShared *pBt){ ){ goto page1_init_failed; } - pBt->btsFlags |= BTS_PAGESIZE_FIXED; assert( (pageSize & 7)==0 ); /* EVIDENCE-OF: R-59310-51205 The "reserved space" size in the 1-byte ** integer at offset 20 is the number of bytes of space at the end of @@ -71716,6 +73455,7 @@ static int lockBtree(BtShared *pBt){ releasePageOne(pPage1); pBt->usableSize = usableSize; pBt->pageSize = pageSize; + pBt->btsFlags |= BTS_PAGESIZE_FIXED; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); @@ -71735,6 +73475,7 @@ static int lockBtree(BtShared *pBt){ if( usableSize<480 ){ goto page1_init_failed; } + pBt->btsFlags |= BTS_PAGESIZE_FIXED; pBt->pageSize = pageSize; pBt->usableSize = usableSize; #ifndef SQLITE_OMIT_AUTOVACUUM @@ -71913,7 +73654,11 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ ** when A already has a read lock, we encourage A to give up and let B ** proceed. */ -SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ +static SQLITE_NOINLINE int btreeBeginTrans( + Btree *p, /* The btree in which to start the transaction */ + int wrflag, /* True to start a write transaction */ + int *pSchemaVersion /* Put schema version number here, if not NULL */ +){ BtShared *pBt = p->pBt; Pager *pPager = pBt->pPager; int rc = SQLITE_OK; @@ -72085,6 +73830,28 @@ trans_begun: sqlite3BtreeLeave(p); return rc; } +SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ + BtShared *pBt; + if( p->sharable + || p->inTrans==TRANS_NONE + || (p->inTrans==TRANS_READ && wrflag!=0) + ){ + return btreeBeginTrans(p,wrflag,pSchemaVersion); + } + pBt = p->pBt; + if( pSchemaVersion ){ + *pSchemaVersion = get4byte(&pBt->pPage1->aData[40]); + } + if( wrflag ){ + /* This call makes sure that the pager has the correct number of + ** open savepoints. If the second parameter is greater than 0 and + ** the sub-journal is not already open, then it will be opened here. + */ + return sqlite3PagerOpenSavepoint(pBt->pPager, p->db->nSavepoint); + }else{ + return SQLITE_OK; + } +} #ifndef SQLITE_OMIT_AUTOVACUUM @@ -72222,7 +73989,7 @@ static int relocatePage( if( iDbPage<3 ) return SQLITE_CORRUPT_BKPT; /* Move page iDbPage from its current location to page number iFreePage */ - TRACE(("AUTOVACUUM: Moving %d to free page %d (ptr page %d type %d)\n", + TRACE(("AUTOVACUUM: Moving %u to free page %u (ptr page %u type %u)\n", iDbPage, iFreePage, iPtrPage, eType)); rc = sqlite3PagerMovepage(pPager, pDbPage->pDbPage, iFreePage, isCommit); if( rc!=SQLITE_OK ){ @@ -73180,7 +74947,6 @@ SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor *pCur){ pCur->curFlags &= ~BTCF_Pinned; } -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC /* ** Return the offset into the database file for the start of the ** payload to which the cursor is pointing. @@ -73192,7 +74958,6 @@ SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor *pCur){ return (i64)pCur->pBt->pageSize*((i64)pCur->pPage->pgno - 1) + (i64)(pCur->info.pPayload - pCur->pPage->aData); } -#endif /* SQLITE_ENABLE_OFFSET_SQL_FUNC */ /* ** Return the number of bytes of payload for the entry that pCur is @@ -73218,7 +74983,7 @@ SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor *pCur){ ** routine always returns 2147483647 (which is the largest record ** that SQLite can handle) or more. But returning a smaller value might ** prevent large memory allocations when trying to interpret a -** corrupt datrabase. +** corrupt database. ** ** The current implementation merely returns the size of the underlying ** database file. @@ -73518,7 +75283,6 @@ static int accessPayload( assert( aWrite>=pBufStart ); /* due to (6) */ memcpy(aSave, aWrite, 4); rc = sqlite3OsRead(fd, aWrite, a+4, (i64)pBt->pageSize*(nextPage-1)); - if( rc && nextPage>pBt->nPage ) rc = SQLITE_CORRUPT_BKPT; nextPage = get4byte(aWrite); memcpy(aWrite, aSave, 4); }else @@ -73680,6 +75444,7 @@ SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor *pCur, u32 *pAmt){ ** vice-versa). */ static int moveToChild(BtCursor *pCur, u32 newPgno){ + int rc; assert( cursorOwnsBtShared(pCur) ); assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPageapPage[pCur->iPage] = pCur->pPage; pCur->ix = 0; pCur->iPage++; - return getAndInitPage(pCur->pBt, newPgno, &pCur->pPage, pCur, - pCur->curPagerFlags); + rc = getAndInitPage(pCur->pBt, newPgno, &pCur->pPage, pCur->curPagerFlags); + assert( pCur->pPage!=0 || rc!=SQLITE_OK ); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(newPgno); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + } + return rc; } #ifdef SQLITE_DEBUG @@ -73801,7 +75576,7 @@ static int moveToRoot(BtCursor *pCur){ sqlite3BtreeClearCursor(pCur); } rc = getAndInitPage(pCur->pBt, pCur->pgnoRoot, &pCur->pPage, - 0, pCur->curPagerFlags); + pCur->curPagerFlags); if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; @@ -73913,7 +75688,7 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ *pRes = 0; rc = moveToLeftmost(pCur); }else if( rc==SQLITE_EMPTY ){ - assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + assert( pCur->pgnoRoot==0 || (pCur->pPage!=0 && pCur->pPage->nCell==0) ); *pRes = 1; rc = SQLITE_OK; } @@ -74018,7 +75793,7 @@ SQLITE_PRIVATE int sqlite3BtreeTableMoveto( /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer - ** is still obtained without this case, only a little more slowely */ + ** is still obtained without this case, only a little more slowly. */ if( pCur->info.nKey+1==intKey ){ *pRes = 0; rc = sqlite3BtreeNext(pCur, 0); @@ -74414,10 +76189,36 @@ bypass_moveto_root: }else{ chldPg = get4byte(findCell(pPage, lwr)); } - pCur->ix = (u16)lwr; - rc = moveToChild(pCur, chldPg); - if( rc ) break; - } + + /* This block is similar to an in-lined version of: + ** + ** pCur->ix = (u16)lwr; + ** rc = moveToChild(pCur, chldPg); + ** if( rc ) break; + */ + pCur->info.nSize = 0; + pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); + if( pCur->iPage>=(BTCURSOR_MAX_DEPTH-1) ){ + return SQLITE_CORRUPT_BKPT; + } + pCur->aiIdx[pCur->iPage] = (u16)lwr; + pCur->apPage[pCur->iPage] = pCur->pPage; + pCur->ix = 0; + pCur->iPage++; + rc = getAndInitPage(pCur->pBt, chldPg, &pCur->pPage, pCur->curPagerFlags); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(chldPg); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + break; + } + /* + ***** End of in-lined moveToChild() call */ + } moveto_index_finish: pCur->info.nSize = 0; assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); @@ -74508,7 +76309,8 @@ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ pPage = pCur->pPage; idx = ++pCur->ix; - if( !pPage->isInit || sqlite3FaultSim(412) ){ + if( sqlite3FaultSim(412) ) pPage->isInit = 0; + if( !pPage->isInit ){ return SQLITE_CORRUPT_BKPT; } @@ -74771,7 +76573,7 @@ static int allocateBtreePage( memcpy(&pPage1->aData[32], &pTrunk->aData[0], 4); *ppPage = pTrunk; pTrunk = 0; - TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); + TRACE(("ALLOCATE: %u trunk - %u free pages left\n", *pPgno, n-1)); }else if( k>(u32)(pBt->usableSize/4 - 2) ){ /* Value of k is out of range. Database corruption */ rc = SQLITE_CORRUPT_PGNO(iTrunk); @@ -74837,7 +76639,7 @@ static int allocateBtreePage( } } pTrunk = 0; - TRACE(("ALLOCATE: %d trunk - %d free pages left\n", *pPgno, n-1)); + TRACE(("ALLOCATE: %u trunk - %u free pages left\n", *pPgno, n-1)); #endif }else if( k>0 ){ /* Extract a leaf from the trunk */ @@ -74882,8 +76684,8 @@ static int allocateBtreePage( ){ int noContent; *pPgno = iPage; - TRACE(("ALLOCATE: %d was leaf %d of %d on trunk %d" - ": %d more free pages\n", + TRACE(("ALLOCATE: %u was leaf %u of %u on trunk %u" + ": %u more free pages\n", *pPgno, closest+1, k, pTrunk->pgno, n-1)); rc = sqlite3PagerWrite(pTrunk->pDbPage); if( rc ) goto end_allocate_page; @@ -74939,7 +76741,7 @@ static int allocateBtreePage( ** becomes a new pointer-map page, the second is used by the caller. */ MemPage *pPg = 0; - TRACE(("ALLOCATE: %d from end of file (pointer-map page)\n", pBt->nPage)); + TRACE(("ALLOCATE: %u from end of file (pointer-map page)\n", pBt->nPage)); assert( pBt->nPage!=PENDING_BYTE_PAGE(pBt) ); rc = btreeGetUnusedPage(pBt, pBt->nPage, &pPg, bNoContent); if( rc==SQLITE_OK ){ @@ -74962,7 +76764,7 @@ static int allocateBtreePage( releasePage(*ppPage); *ppPage = 0; } - TRACE(("ALLOCATE: %d from end of file\n", *pPgno)); + TRACE(("ALLOCATE: %u from end of file\n", *pPgno)); } assert( CORRUPT_DB || *pPgno!=PENDING_BYTE_PAGE(pBt) ); @@ -75090,7 +76892,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ } rc = btreeSetHasContent(pBt, iPage); } - TRACE(("FREE-PAGE: %d leaf on trunk page %d\n",pPage->pgno,pTrunk->pgno)); + TRACE(("FREE-PAGE: %u leaf on trunk page %u\n",pPage->pgno,pTrunk->pgno)); goto freepage_out; } } @@ -75111,7 +76913,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ put4byte(pPage->aData, iTrunk); put4byte(&pPage->aData[4], 0); put4byte(&pPage1->aData[32], iPage); - TRACE(("FREE-PAGE: %d new trunk page replacing %d\n", pPage->pgno, iTrunk)); + TRACE(("FREE-PAGE: %u new trunk page replacing %u\n", pPage->pgno, iTrunk)); freepage_out: if( pPage ){ @@ -75200,7 +77002,7 @@ static SQLITE_NOINLINE int clearCellOverflow( /* Call xParseCell to compute the size of a cell. If the cell contains ** overflow, then invoke cellClearOverflow to clear out that overflow. -** STore the result code (SQLITE_OK or some error code) in rc. +** Store the result code (SQLITE_OK or some error code) in rc. ** ** Implemented as macro to force inlining for performance. */ @@ -75470,6 +77272,14 @@ static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ ** in pTemp or the original pCell) and also record its index. ** Allocating a new entry in pPage->aCell[] implies that ** pPage->nOverflow is incremented. +** +** The insertCellFast() routine below works exactly the same as +** insertCell() except that it lacks the pTemp and iChild parameters +** which are assumed zero. Other than that, the two routines are the +** same. +** +** Fixes or enhancements to this routine should be reflected in +** insertCellFast()! */ static int insertCell( MemPage *pPage, /* Page into which we are copying */ @@ -75492,14 +77302,103 @@ static int insertCell( assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sz==pPage->xCellSize(pPage, pCell) || CORRUPT_DB ); assert( pPage->nFree>=0 ); + assert( iChild>0 ); if( pPage->nOverflow || sz+2>pPage->nFree ){ if( pTemp ){ memcpy(pTemp, pCell, sz); pCell = pTemp; } - if( iChild ){ - put4byte(pCell, iChild); + put4byte(pCell, iChild); + j = pPage->nOverflow++; + /* Comparison against ArraySize-1 since we hold back one extra slot + ** as a contingency. In other words, never need more than 3 overflow + ** slots but 4 are allocated, just to be safe. */ + assert( j < ArraySize(pPage->apOvfl)-1 ); + pPage->apOvfl[j] = pCell; + pPage->aiOvfl[j] = (u16)i; + + /* When multiple overflows occur, they are always sequential and in + ** sorted order. This invariants arise because multiple overflows can + ** only occur when inserting divider cells into the parent page during + ** balancing, and the dividers are adjacent and sorted. + */ + assert( j==0 || pPage->aiOvfl[j-1]<(u16)i ); /* Overflows in sorted order */ + assert( j==0 || i==pPage->aiOvfl[j-1]+1 ); /* Overflows are sequential */ + }else{ + int rc = sqlite3PagerWrite(pPage->pDbPage); + if( NEVER(rc!=SQLITE_OK) ){ + return rc; } + assert( sqlite3PagerIswriteable(pPage->pDbPage) ); + data = pPage->aData; + assert( &data[pPage->cellOffset]==pPage->aCellIdx ); + rc = allocateSpace(pPage, sz, &idx); + if( rc ){ return rc; } + /* The allocateSpace() routine guarantees the following properties + ** if it returns successfully */ + assert( idx >= 0 ); + assert( idx >= pPage->cellOffset+2*pPage->nCell+2 || CORRUPT_DB ); + assert( idx+sz <= (int)pPage->pBt->usableSize ); + pPage->nFree -= (u16)(2 + sz); + /* In a corrupt database where an entry in the cell index section of + ** a btree page has a value of 3 or less, the pCell value might point + ** as many as 4 bytes in front of the start of the aData buffer for + ** the source page. Make sure this does not cause problems by not + ** reading the first 4 bytes */ + memcpy(&data[idx+4], pCell+4, sz-4); + put4byte(&data[idx], iChild); + pIns = pPage->aCellIdx + i*2; + memmove(pIns+2, pIns, 2*(pPage->nCell - i)); + put2byte(pIns, idx); + pPage->nCell++; + /* increment the cell count */ + if( (++data[pPage->hdrOffset+4])==0 ) data[pPage->hdrOffset+3]++; + assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell || CORRUPT_DB ); +#ifndef SQLITE_OMIT_AUTOVACUUM + if( pPage->pBt->autoVacuum ){ + int rc2 = SQLITE_OK; + /* The cell may contain a pointer to an overflow page. If so, write + ** the entry for the overflow page into the pointer map. + */ + ptrmapPutOvflPtr(pPage, pPage, pCell, &rc2); + if( rc2 ) return rc2; + } +#endif + } + return SQLITE_OK; +} + +/* +** This variant of insertCell() assumes that the pTemp and iChild +** parameters are both zero. Use this variant in sqlite3BtreeInsert() +** for performance improvement, and also so that this variant is only +** called from that one place, and is thus inlined, and thus runs must +** faster. +** +** Fixes or enhancements to this routine should be reflected into +** the insertCell() routine. +*/ +static int insertCellFast( + MemPage *pPage, /* Page into which we are copying */ + int i, /* New cell becomes the i-th cell of the page */ + u8 *pCell, /* Content of the new cell */ + int sz /* Bytes of content in pCell */ +){ + int idx = 0; /* Where to write new cell content in data[] */ + int j; /* Loop counter */ + u8 *data; /* The content of the whole page */ + u8 *pIns; /* The point in pPage->aCellIdx[] where no cell inserted */ + + assert( i>=0 && i<=pPage->nCell+pPage->nOverflow ); + assert( MX_CELL(pPage->pBt)<=10921 ); + assert( pPage->nCell<=MX_CELL(pPage->pBt) || CORRUPT_DB ); + assert( pPage->nOverflow<=ArraySize(pPage->apOvfl) ); + assert( ArraySize(pPage->apOvfl)==ArraySize(pPage->aiOvfl) ); + assert( sqlite3_mutex_held(pPage->pBt->mutex) ); + assert( sz==pPage->xCellSize(pPage, pCell) || CORRUPT_DB ); + assert( pPage->nFree>=0 ); + assert( pPage->nOverflow==0 ); + if( sz+2>pPage->nFree ){ j = pPage->nOverflow++; /* Comparison against ArraySize-1 since we hold back one extra slot ** as a contingency. In other words, never need more than 3 overflow @@ -75531,17 +77430,7 @@ static int insertCell( assert( idx >= pPage->cellOffset+2*pPage->nCell+2 || CORRUPT_DB ); assert( idx+sz <= (int)pPage->pBt->usableSize ); pPage->nFree -= (u16)(2 + sz); - if( iChild ){ - /* In a corrupt database where an entry in the cell index section of - ** a btree page has a value of 3 or less, the pCell value might point - ** as many as 4 bytes in front of the start of the aData buffer for - ** the source page. Make sure this does not cause problems by not - ** reading the first 4 bytes */ - memcpy(&data[idx+4], pCell+4, sz-4); - put4byte(&data[idx], iChild); - }else{ - memcpy(&data[idx], pCell, sz); - } + memcpy(&data[idx], pCell, sz); pIns = pPage->aCellIdx + i*2; memmove(pIns+2, pIns, 2*(pPage->nCell - i)); put2byte(pIns, idx); @@ -75724,12 +77613,13 @@ static int rebuildPage( int k; /* Current slot in pCArray->apEnd[] */ u8 *pSrcEnd; /* Current pCArray->apEnd[k] value */ + assert( nCell>0 ); assert( i(u32)usableSize ){ j = 0; } memcpy(&pTmp[j], &aData[j], usableSize - j); - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i; k++){} pSrcEnd = pCArray->apEnd[k]; pData = pEnd; @@ -75792,7 +77682,7 @@ static int rebuildPage( ** Finally, argument pBegin points to the byte immediately following the ** end of the space required by this page for the cell-pointer area (for ** all cells - not just those inserted by the current call). If the content -** area must be extended to before this point in order to accomodate all +** area must be extended to before this point in order to accommodate all ** cells in apCell[], then the cells do not fit and non-zero is returned. */ static int pageInsertArray( @@ -75812,7 +77702,7 @@ static int pageInsertArray( u8 *pEnd; /* Maximum extent of cell data */ assert( CORRUPT_DB || pPg->hdrOffset==0 ); /* Never called on page 1 */ if( iEnd<=iFirst ) return 0; - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i ; k++){} pEnd = pCArray->apEnd[k]; while( 1 /*Exit by break*/ ){ int sz, rc; @@ -75870,42 +77760,50 @@ static int pageFreeArray( u8 * const pEnd = &aData[pPg->pBt->usableSize]; u8 * const pStart = &aData[pPg->hdrOffset + 8 + pPg->childPtrSize]; int nRet = 0; - int i; + int i, j; int iEnd = iFirst + nCell; - u8 *pFree = 0; /* \__ Parameters for pending call to */ - int szFree = 0; /* / freeSpace() */ + int nFree = 0; + int aOfst[10]; + int aAfter[10]; for(i=iFirst; iapCell[i]; if( SQLITE_WITHIN(pCell, pStart, pEnd) ){ int sz; + int iAfter; + int iOfst; /* No need to use cachedCellSize() here. The sizes of all cells that ** are to be freed have already been computing while deciding which ** cells need freeing */ sz = pCArray->szCell[i]; assert( sz>0 ); - if( pFree!=(pCell + sz) ){ - if( pFree ){ - assert( pFree>aData && (pFree - aData)<65536 ); - freeSpace(pPg, (u16)(pFree - aData), szFree); + iOfst = (u16)(pCell - aData); + iAfter = iOfst+sz; + for(j=0; jpEnd ){ - return 0; + } + if( j>=nFree ){ + if( nFree>=(int)(sizeof(aOfst)/sizeof(aOfst[0])) ){ + for(j=0; jpEnd ) return 0; + nFree++; } nRet++; } } - if( pFree ){ - assert( pFree>aData && (pFree - aData)<65536 ); - freeSpace(pPg, (u16)(pFree - aData), szFree); + for(j=0; jpPg->aDataEnd ) goto editpage_fail; + if( NEVER(pData>pPg->aDataEnd) ) goto editpage_fail; /* Add cells to the start of the page */ if( iNew0), or ** (2) pPage is a virtual root page. A virtual root page is when @@ -76697,7 +78596,7 @@ static int balance_nonroot( ** that page. */ assert( cntNew[0]>0 || (pParent->pgno==1 && pParent->nCell==0) || CORRUPT_DB); - TRACE(("BALANCE: old: %d(nc=%d) %d(nc=%d) %d(nc=%d)\n", + TRACE(("BALANCE: old: %u(nc=%u) %u(nc=%u) %u(nc=%u)\n", apOld[0]->pgno, apOld[0]->nCell, nOld>=2 ? apOld[1]->pgno : 0, nOld>=2 ? apOld[1]->nCell : 0, nOld>=3 ? apOld[2]->pgno : 0, nOld>=3 ? apOld[2]->nCell : 0 @@ -76781,8 +78680,8 @@ static int balance_nonroot( } } - TRACE(("BALANCE: new: %d(%d nc=%d) %d(%d nc=%d) %d(%d nc=%d) " - "%d(%d nc=%d) %d(%d nc=%d)\n", + TRACE(("BALANCE: new: %u(%u nc=%u) %u(%u nc=%u) %u(%u nc=%u) " + "%u(%u nc=%u) %u(%u nc=%u)\n", apNew[0]->pgno, szNew[0], cntNew[0], nNew>=2 ? apNew[1]->pgno : 0, nNew>=2 ? szNew[1] : 0, nNew>=2 ? cntNew[1] - cntNew[0] - !leafData : 0, @@ -76914,9 +78813,9 @@ static int balance_nonroot( iOvflSpace += sz; assert( sz<=pBt->maxLocal+23 ); assert( iOvflSpace <= (int)pBt->pageSize ); - for(k=0; b.ixNx[k]<=j && ALWAYS(k=0 && iPg=1 || i>=0 ); + assert( iPg=0 /* On the upwards pass, or... */ || cntOld[iPg-1]>=cntNew[iPg-1] /* Condition (1) is true */ @@ -77027,7 +78928,7 @@ static int balance_nonroot( } assert( pParent->isInit ); - TRACE(("BALANCE: finished: old=%d new=%d cells=%d\n", + TRACE(("BALANCE: finished: old=%u new=%u cells=%u\n", nOld, nNew, b.nCell)); /* Free any old pages that were not reused as new pages. @@ -77112,7 +79013,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ assert( sqlite3PagerIswriteable(pRoot->pDbPage) ); assert( pChild->nCell==pRoot->nCell || CORRUPT_DB ); - TRACE(("BALANCE: copy root %d into %d\n", pRoot->pgno, pChild->pgno)); + TRACE(("BALANCE: copy root %u into %u\n", pRoot->pgno, pChild->pgno)); /* Copy the overflow cells from pRoot to pChild */ memcpy(pChild->aiOvfl, pRoot->aiOvfl, @@ -77306,7 +79207,7 @@ static int btreeOverwriteContent( ){ int nData = pX->nData - iOffset; if( nData<=0 ){ - /* Overwritting with zeros */ + /* Overwriting with zeros */ int i; for(i=0; ipData to write */ @@ -77595,7 +79496,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( } } assert( pCur->eState==CURSOR_VALID - || (pCur->eState==CURSOR_INVALID && loc) ); + || (pCur->eState==CURSOR_INVALID && loc) || CORRUPT_DB ); pPage = pCur->pPage; assert( pPage->intKey || pX->nKey>=0 || (flags & BTREE_PREFORMAT) ); @@ -77610,7 +79511,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( if( rc ) return rc; } - TRACE(("INSERT: table=%d nkey=%lld ndata=%d page=%d %s\n", + TRACE(("INSERT: table=%u nkey=%lld ndata=%u page=%u %s\n", pCur->pgnoRoot, pX->nKey, pX->nData, pPage->pgno, loc==0 ? "overwrite" : "new entry")); assert( pPage->isInit || CORRUPT_DB ); @@ -77686,7 +79587,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( }else{ assert( pPage->leaf ); } - rc = insertCell(pPage, idx, newCell, szNew, 0, 0); + rc = insertCellFast(pPage, idx, newCell, szNew); assert( pPage->nOverflow==0 || rc==SQLITE_OK ); assert( rc!=SQLITE_OK || pPage->nCell>0 || pPage->nOverflow>0 ); @@ -77910,6 +79811,9 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ if( pPage->nFree<0 && btreeComputeFreeSpace(pPage) ){ return SQLITE_CORRUPT_BKPT; } + if( pCell<&pPage->aCellIdx[pPage->nCell] ){ + return SQLITE_CORRUPT_BKPT; + } /* If the BTREE_SAVEPOSITION bit is on, then the cursor position must ** be preserved following this delete operation. If the current delete @@ -78086,7 +79990,7 @@ static int btreeCreateTable(Btree *p, Pgno *piTable, int createTabFlags){ MemPage *pRoot; Pgno pgnoRoot; int rc; - int ptfFlags; /* Page-type flage for the root page of new table */ + int ptfFlags; /* Page-type flags for the root page of new table */ assert( sqlite3BtreeHoldsMutex(p) ); assert( pBt->inTransaction==TRANS_WRITE ); @@ -78255,7 +80159,7 @@ static int clearDatabasePage( if( pgno>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } - rc = getAndInitPage(pBt, pgno, &pPage, 0, 0); + rc = getAndInitPage(pBt, pgno, &pPage, 0); if( rc ) return rc; if( (pBt->openFlags & BTREE_SINGLE)==0 && sqlite3PagerPageRefcount(pPage->pDbPage) != (1 + (pgno==1)) @@ -78658,7 +80562,8 @@ static void checkAppendMsg( sqlite3_str_append(&pCheck->errMsg, "\n", 1); } if( pCheck->zPfx ){ - sqlite3_str_appendf(&pCheck->errMsg, pCheck->zPfx, pCheck->v1, pCheck->v2); + sqlite3_str_appendf(&pCheck->errMsg, pCheck->zPfx, + pCheck->v0, pCheck->v1, pCheck->v2); } sqlite3_str_vappendf(&pCheck->errMsg, zFormat, ap); va_end(ap); @@ -78675,7 +80580,8 @@ static void checkAppendMsg( ** corresponds to page iPg is already set. */ static int getPageReferenced(IntegrityCk *pCheck, Pgno iPg){ - assert( iPg<=pCheck->nPage && sizeof(pCheck->aPgRef[0])==1 ); + assert( pCheck->aPgRef!=0 ); + assert( iPg<=pCheck->nCkPage && sizeof(pCheck->aPgRef[0])==1 ); return (pCheck->aPgRef[iPg/8] & (1 << (iPg & 0x07))); } @@ -78683,7 +80589,8 @@ static int getPageReferenced(IntegrityCk *pCheck, Pgno iPg){ ** Set the bit in the IntegrityCk.aPgRef[] array that corresponds to page iPg. */ static void setPageReferenced(IntegrityCk *pCheck, Pgno iPg){ - assert( iPg<=pCheck->nPage && sizeof(pCheck->aPgRef[0])==1 ); + assert( pCheck->aPgRef!=0 ); + assert( iPg<=pCheck->nCkPage && sizeof(pCheck->aPgRef[0])==1 ); pCheck->aPgRef[iPg/8] |= (1 << (iPg & 0x07)); } @@ -78697,12 +80604,12 @@ static void setPageReferenced(IntegrityCk *pCheck, Pgno iPg){ ** Also check that the page number is in bounds. */ static int checkRef(IntegrityCk *pCheck, Pgno iPage){ - if( iPage>pCheck->nPage || iPage==0 ){ - checkAppendMsg(pCheck, "invalid page number %d", iPage); + if( iPage>pCheck->nCkPage || iPage==0 ){ + checkAppendMsg(pCheck, "invalid page number %u", iPage); return 1; } if( getPageReferenced(pCheck, iPage) ){ - checkAppendMsg(pCheck, "2nd reference to page %d", iPage); + checkAppendMsg(pCheck, "2nd reference to page %u", iPage); return 1; } setPageReferenced(pCheck, iPage); @@ -78728,13 +80635,13 @@ static void checkPtrmap( rc = ptrmapGet(pCheck->pBt, iChild, &ePtrmapType, &iPtrmapParent); if( rc!=SQLITE_OK ){ if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) checkOom(pCheck); - checkAppendMsg(pCheck, "Failed to read ptrmap key=%d", iChild); + checkAppendMsg(pCheck, "Failed to read ptrmap key=%u", iChild); return; } if( ePtrmapType!=eType || iPtrmapParent!=iParent ){ checkAppendMsg(pCheck, - "Bad ptr map entry key=%d expected=(%d,%d) got=(%d,%d)", + "Bad ptr map entry key=%u expected=(%u,%u) got=(%u,%u)", iChild, eType, iParent, ePtrmapType, iPtrmapParent); } } @@ -78759,7 +80666,7 @@ static void checkList( if( checkRef(pCheck, iPage) ) break; N--; if( sqlite3PagerGet(pCheck->pPager, (Pgno)iPage, &pOvflPage, 0) ){ - checkAppendMsg(pCheck, "failed to get page %d", iPage); + checkAppendMsg(pCheck, "failed to get page %u", iPage); break; } pOvflData = (unsigned char *)sqlite3PagerGetData(pOvflPage); @@ -78772,7 +80679,7 @@ static void checkList( #endif if( n>pCheck->pBt->usableSize/4-2 ){ checkAppendMsg(pCheck, - "freelist leaf count too big on page %d", iPage); + "freelist leaf count too big on page %u", iPage); N--; }else{ for(i=0; i<(int)n; i++){ @@ -78804,7 +80711,7 @@ static void checkList( } if( N && nErrAtStart==pCheck->nErr ){ checkAppendMsg(pCheck, - "%s is %d but should be %d", + "%s is %u but should be %u", isFreeList ? "size" : "overflow list length", expected-N, expected); } @@ -78919,11 +80826,12 @@ static int checkTreePage( usableSize = pBt->usableSize; if( iPage==0 ) return 0; if( checkRef(pCheck, iPage) ) return 0; - pCheck->zPfx = "Page %u: "; + pCheck->zPfx = "Tree %u page %u: "; pCheck->v1 = iPage; if( (rc = btreeGetPage(pBt, iPage, &pPage, 0))!=0 ){ checkAppendMsg(pCheck, "unable to get the page. error code=%d", rc); + if( rc==SQLITE_IOERR_NOMEM ) pCheck->rc = SQLITE_NOMEM; goto end_of_check; } @@ -78946,7 +80854,7 @@ static int checkTreePage( hdr = pPage->hdrOffset; /* Set up for cell analysis */ - pCheck->zPfx = "On tree page %u cell %d: "; + pCheck->zPfx = "Tree %u page %u cell %u: "; contentOffset = get2byteNotZero(&data[hdr+5]); assert( contentOffset<=usableSize ); /* Enforced by btreeInitPage() */ @@ -78966,7 +80874,7 @@ static int checkTreePage( pgno = get4byte(&data[hdr+8]); #ifndef SQLITE_OMIT_AUTOVACUUM if( pBt->autoVacuum ){ - pCheck->zPfx = "On page %u at right child: "; + pCheck->zPfx = "Tree %u page %u right child: "; checkPtrmap(pCheck, pgno, PTRMAP_BTREE, iPage); } #endif @@ -78990,7 +80898,7 @@ static int checkTreePage( pc = get2byteAligned(pCellIdx); pCellIdx -= 2; if( pcusableSize-4 ){ - checkAppendMsg(pCheck, "Offset %d out of range %d..%d", + checkAppendMsg(pCheck, "Offset %u out of range %u..%u", pc, contentOffset, usableSize-4); doCoverageCheck = 0; continue; @@ -79122,7 +81030,7 @@ static int checkTreePage( */ if( heap[0]==0 && nFrag!=data[hdr+7] ){ checkAppendMsg(pCheck, - "Fragmentation of %d bytes reported as %d on page %u", + "Fragmentation of %u bytes reported as %u on page %u", nFrag, data[hdr+7], iPage); } } @@ -79194,15 +81102,15 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( sCheck.db = db; sCheck.pBt = pBt; sCheck.pPager = pBt->pPager; - sCheck.nPage = btreePagecount(sCheck.pBt); + sCheck.nCkPage = btreePagecount(sCheck.pBt); sCheck.mxErr = mxErr; sqlite3StrAccumInit(&sCheck.errMsg, 0, zErr, sizeof(zErr), SQLITE_MAX_LENGTH); sCheck.errMsg.printfFlags = SQLITE_PRINTF_INTERNAL; - if( sCheck.nPage==0 ){ + if( sCheck.nCkPage==0 ){ goto integrity_ck_cleanup; } - sCheck.aPgRef = sqlite3MallocZero((sCheck.nPage / 8)+ 1); + sCheck.aPgRef = sqlite3MallocZero((sCheck.nCkPage / 8)+ 1); if( !sCheck.aPgRef ){ checkOom(&sCheck); goto integrity_ck_cleanup; @@ -79214,12 +81122,12 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( } i = PENDING_BYTE_PAGE(pBt); - if( i<=sCheck.nPage ) setPageReferenced(&sCheck, i); + if( i<=sCheck.nCkPage ) setPageReferenced(&sCheck, i); /* Check the integrity of the freelist */ if( bCkFreelist ){ - sCheck.zPfx = "Main freelist: "; + sCheck.zPfx = "Freelist: "; checkList(&sCheck, 1, get4byte(&pBt->pPage1->aData[32]), get4byte(&pBt->pPage1->aData[36])); sCheck.zPfx = 0; @@ -79236,7 +81144,7 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( mxInHdr = get4byte(&pBt->pPage1->aData[52]); if( mx!=mxInHdr ){ checkAppendMsg(&sCheck, - "max rootpage (%d) disagrees with header (%d)", + "max rootpage (%u) disagrees with header (%u)", mx, mxInHdr ); } @@ -79257,6 +81165,7 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( checkPtrmap(&sCheck, aRoot[i], PTRMAP_ROOTPAGE, 0); } #endif + sCheck.v0 = aRoot[i]; checkTreePage(&sCheck, aRoot[i], ¬Used, LARGEST_INT64); } pBt->db->flags = savedDbFlags; @@ -79264,10 +81173,10 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( /* Make sure every page in the file is referenced */ if( !bPartial ){ - for(i=1; i<=sCheck.nPage && sCheck.mxErr; i++){ + for(i=1; i<=sCheck.nCkPage && sCheck.mxErr; i++){ #ifdef SQLITE_OMIT_AUTOVACUUM if( getPageReferenced(&sCheck, i)==0 ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); + checkAppendMsg(&sCheck, "Page %u: never used", i); } #else /* If the database supports auto-vacuum, make sure no tables contain @@ -79275,11 +81184,11 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( */ if( getPageReferenced(&sCheck, i)==0 && (PTRMAP_PAGENO(pBt, i)!=i || !pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); + checkAppendMsg(&sCheck, "Page %u: never used", i); } if( getPageReferenced(&sCheck, i)!=0 && (PTRMAP_PAGENO(pBt, i)==i && pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Pointer map page %d is referenced", i); + checkAppendMsg(&sCheck, "Page %u: pointer map referenced", i); } #endif } @@ -79841,13 +81750,7 @@ static int backupOnePage( assert( !isFatalError(p->rc) ); assert( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) ); assert( zSrcData ); - - /* Catch the case where the destination is an in-memory database and the - ** page sizes of the source and destination differ. - */ - if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){ - rc = SQLITE_READONLY; - } + assert( nSrcPgsz==nDestPgsz || sqlite3PagerIsMemdb(pDestPager)==0 ); /* This loop runs once for each destination page spanned by the source ** page. For each iteration, variable iOff is set to the byte offset @@ -79980,7 +81883,10 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ pgszSrc = sqlite3BtreeGetPageSize(p->pSrc); pgszDest = sqlite3BtreeGetPageSize(p->pDest); destMode = sqlite3PagerGetJournalMode(sqlite3BtreePager(p->pDest)); - if( SQLITE_OK==rc && destMode==PAGER_JOURNALMODE_WAL && pgszSrc!=pgszDest ){ + if( SQLITE_OK==rc + && (destMode==PAGER_JOURNALMODE_WAL || sqlite3PagerIsMemdb(pDestPager)) + && pgszSrc!=pgszDest + ){ rc = SQLITE_READONLY; } @@ -80529,6 +82435,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemValidStrRep(Mem *p){ char *z; int i, j, incr; if( (p->flags & MEM_Str)==0 ) return 1; + if( p->db && p->db->mallocFailed ) return 1; if( p->flags & MEM_Term ){ /* Insure that the string is properly zero-terminated. Pay particular ** attention to the case where p->n is odd */ @@ -80685,6 +82592,40 @@ SQLITE_PRIVATE int sqlite3VdbeMemClearAndResize(Mem *pMem, int szNew){ return SQLITE_OK; } +/* +** If pMem is already a string, detect if it is a zero-terminated +** string, or make it into one if possible, and mark it as such. +** +** This is an optimization. Correct operation continues even if +** this routine is a no-op. +*/ +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem *pMem){ + if( (pMem->flags & (MEM_Str|MEM_Term|MEM_Ephem|MEM_Static))!=MEM_Str ){ + /* pMem must be a string, and it cannot be an ephemeral or static string */ + return; + } + if( pMem->enc!=SQLITE_UTF8 ) return; + if( NEVER(pMem->z==0) ) return; + if( pMem->flags & MEM_Dyn ){ + if( pMem->xDel==sqlite3_free + && sqlite3_msize(pMem->z) >= (u64)(pMem->n+1) + ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } + if( pMem->xDel==sqlite3RCStrUnref ){ + /* Blindly assume that all RCStr objects are zero-terminated */ + pMem->flags |= MEM_Term; + return; + } + }else if( pMem->szMalloc >= pMem->n+1 ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } +} + /* ** It is already known that pMem contains an unterminated string. ** Add the zero terminator. @@ -80811,7 +82752,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem *pMem, u8 enc, u8 bForce){ vdbeMemRenderNum(nByte, pMem->z, pMem); assert( pMem->z!=0 ); - assert( pMem->n==sqlite3Strlen30NN(pMem->z) ); + assert( pMem->n==(int)sqlite3Strlen30NN(pMem->z) ); pMem->enc = SQLITE_UTF8; pMem->flags |= MEM_Str|MEM_Term; if( bForce ) pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal); @@ -80946,36 +82887,6 @@ SQLITE_PRIVATE void sqlite3VdbeMemReleaseMalloc(Mem *p){ if( p->szMalloc ) vdbeMemClear(p); } -/* -** Convert a 64-bit IEEE double into a 64-bit signed integer. -** If the double is out of range of a 64-bit signed integer then -** return the closest available 64-bit signed integer. -*/ -static SQLITE_NOINLINE i64 doubleToInt64(double r){ -#ifdef SQLITE_OMIT_FLOATING_POINT - /* When floating-point is omitted, double and int64 are the same thing */ - return r; -#else - /* - ** Many compilers we encounter do not define constants for the - ** minimum and maximum 64-bit integers, or they define them - ** inconsistently. And many do not understand the "LL" notation. - ** So we define our own static constants here using nothing - ** larger than a 32-bit integer constant. - */ - static const i64 maxInt = LARGEST_INT64; - static const i64 minInt = SMALLEST_INT64; - - if( r<=(double)minInt ){ - return minInt; - }else if( r>=(double)maxInt ){ - return maxInt; - }else{ - return (i64)r; - } -#endif -} - /* ** Return some kind of integer value which is the best we can do ** at representing the value that *pMem describes as an integer. @@ -81002,7 +82913,7 @@ SQLITE_PRIVATE i64 sqlite3VdbeIntValue(const Mem *pMem){ testcase( flags & MEM_IntReal ); return pMem->u.i; }else if( flags & MEM_Real ){ - return doubleToInt64(pMem->u.r); + return sqlite3RealToI64(pMem->u.r); }else if( (flags & (MEM_Str|MEM_Blob))!=0 && pMem->z!=0 ){ return memIntValue(pMem); }else{ @@ -81064,7 +82975,7 @@ SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem *pMem){ if( pMem->flags & MEM_IntReal ){ MemSetTypeFlag(pMem, MEM_Int); }else{ - i64 ix = doubleToInt64(pMem->u.r); + i64 ix = sqlite3RealToI64(pMem->u.r); /* Only mark the value as an integer if ** @@ -81132,8 +83043,8 @@ SQLITE_PRIVATE int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){ ** from UBSAN. */ SQLITE_PRIVATE i64 sqlite3RealToI64(double r){ - if( r<=(double)SMALLEST_INT64 ) return SMALLEST_INT64; - if( r>=(double)LARGEST_INT64) return LARGEST_INT64; + if( r<-9223372036854774784.0 ) return SMALLEST_INT64; + if( r>+9223372036854774784.0 ) return LARGEST_INT64; return (i64)r; } @@ -81204,6 +83115,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ break; } default: { + int rc; assert( aff==SQLITE_AFF_TEXT ); assert( MEM_Str==(MEM_Blob>>3) ); pMem->flags |= (pMem->flags&MEM_Blob)>>3; @@ -81211,7 +83123,9 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal|MEM_Blob|MEM_Zero); if( encoding!=SQLITE_UTF8 ) pMem->n &= ~1; - return sqlite3VdbeChangeEncoding(pMem, encoding); + rc = sqlite3VdbeChangeEncoding(pMem, encoding); + if( rc ) return rc; + sqlite3VdbeMemZeroTerminateIfAble(pMem); } } return SQLITE_OK; @@ -81735,6 +83649,24 @@ SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){ return valueToText(pVal, enc); } +/* Return true if sqlit3_value object pVal is a string or blob value +** that uses the destructor specified in the second argument. +** +** TODO: Maybe someday promote this interface into a published API so +** that third-party extensions can get access to it? +*/ +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value *pVal, void(*xFree)(void*)){ + if( ALWAYS(pVal!=0) + && ALWAYS((pVal->flags & (MEM_Str|MEM_Blob))!=0) + && (pVal->flags & MEM_Dyn)!=0 + && pVal->xDel==xFree + ){ + return 1; + }else{ + return 0; + } +} + /* ** Create a new sqlite3_value object. */ @@ -81802,6 +83734,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ } pRec->nField = p->iVal+1; + sqlite3VdbeMemSetNull(&pRec->aMem[p->iVal]); return &pRec->aMem[p->iVal]; } #else @@ -81855,9 +83788,12 @@ static int valueFromFunction( if( pList ) nVal = pList->nExpr; assert( !ExprHasProperty(p, EP_IntValue) ); pFunc = sqlite3FindFunction(db, p->u.zToken, nVal, enc, 0); +#ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION + if( pFunc==0 ) return SQLITE_OK; +#endif assert( pFunc ); if( (pFunc->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG))==0 - || (pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) + || (pFunc->funcFlags & (SQLITE_FUNC_NEEDCOLL|SQLITE_FUNC_RUNONLY))!=0 ){ return SQLITE_OK; } @@ -81891,16 +83827,11 @@ static int valueFromFunction( }else{ sqlite3ValueApplyAffinity(pVal, aff, SQLITE_UTF8); assert( rc==SQLITE_OK ); - assert( enc==pVal->enc - || (pVal->flags & MEM_Str)==0 - || db->mallocFailed ); -#if 0 /* Not reachable except after a prior failure */ rc = sqlite3VdbeChangeEncoding(pVal, enc); - if( rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal) ){ + if( NEVER(rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal)) ){ rc = SQLITE_TOOBIG; pCtx->pParse->nErr++; } -#endif } value_from_function_out: @@ -81964,6 +83895,13 @@ static int valueFromExpr( rc = valueFromExpr(db, pExpr->pLeft, enc, aff, ppVal, pCtx); testcase( rc!=SQLITE_OK ); if( *ppVal ){ +#ifdef SQLITE_ENABLE_STAT4 + rc = ExpandBlob(*ppVal); +#else + /* zero-blobs only come from functions, not literal values. And + ** functions are only processed under STAT4 */ + assert( (ppVal[0][0].flags & MEM_Zero)==0 ); +#endif sqlite3VdbeMemCast(*ppVal, aff, enc); sqlite3ValueApplyAffinity(*ppVal, affinity, enc); } @@ -82056,6 +83994,7 @@ static int valueFromExpr( if( pVal ){ pVal->flags = MEM_Int; pVal->u.i = pExpr->u.zToken[4]==0; + sqlite3ValueApplyAffinity(pVal, affinity, enc); } } @@ -82578,13 +84517,43 @@ static int growOpArray(Vdbe *v, int nOp){ ** sqlite3CantopenError(lineno) */ static void test_addop_breakpoint(int pc, Op *pOp){ - static int n = 0; + static u64 n = 0; (void)pc; (void)pOp; n++; + if( n==LARGEST_UINT64 ) abort(); /* so that n is used, preventing a warning */ } #endif +/* +** Slow paths for sqlite3VdbeAddOp3() and sqlite3VdbeAddOp4Int() for the +** unusual case when we need to increase the size of the Vdbe.aOp[] array +** before adding the new opcode. +*/ +static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ + assert( p->nOpAlloc<=p->nOp ); + if( growOpArray(p, 1) ) return 1; + assert( p->nOpAlloc>p->nOp ); + return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +} +static SQLITE_NOINLINE int addOp4IntSlow( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); + if( p->db->mallocFailed==0 ){ + VdbeOp *pOp = &p->aOp[addr]; + pOp->p4type = P4_INT32; + pOp->p4.i = p4; + } + return addr; +} + + /* ** Add a new instruction to the list of instructions current in the ** VDBE. Return the address of the new instruction. @@ -82595,17 +84564,16 @@ static void test_addop_breakpoint(int pc, Op *pOp){ ** ** op The opcode for this instruction ** -** p1, p2, p3 Operands -** -** Use the sqlite3VdbeResolveLabel() function to fix an address and -** the sqlite3VdbeChangeP4() function to change the value of the P4 -** operand. +** p1, p2, p3, p4 Operands */ -static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ - assert( p->nOpAlloc<=p->nOp ); - if( growOpArray(p, 1) ) return 1; - assert( p->nOpAlloc>p->nOp ); - return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ + return sqlite3VdbeAddOp3(p, op, 0, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ + return sqlite3VdbeAddOp3(p, op, p1, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ + return sqlite3VdbeAddOp3(p, op, p1, p2, 0); } SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ int i; @@ -82628,6 +84596,9 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ pOp->p3 = p3; pOp->p4.p = 0; pOp->p4type = P4_NOTUSED; + + /* Replicate this logic in sqlite3VdbeAddOp4Int() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS pOp->zComment = 0; #endif @@ -82644,16 +84615,59 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ #ifdef SQLITE_VDBE_COVERAGE pOp->iSrcLine = 0; #endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp4Int() */ + return i; } -SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ - return sqlite3VdbeAddOp3(p, op, 0, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ - return sqlite3VdbeAddOp3(p, op, p1, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ - return sqlite3VdbeAddOp3(p, op, p1, p2, 0); +SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int i; + VdbeOp *pOp; + + i = p->nOp; + if( p->nOpAlloc<=i ){ + return addOp4IntSlow(p, op, p1, p2, p3, p4); + } + p->nOp++; + pOp = &p->aOp[i]; + assert( pOp!=0 ); + pOp->opcode = (u8)op; + pOp->p5 = 0; + pOp->p1 = p1; + pOp->p2 = p2; + pOp->p3 = p3; + pOp->p4.i = p4; + pOp->p4type = P4_INT32; + + /* Replicate this logic in sqlite3VdbeAddOp3() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + pOp->zComment = 0; +#endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec = 0; + pOp->nCycle = 0; +#endif +#ifdef SQLITE_DEBUG + if( p->db->flags & SQLITE_VdbeAddopTrace ){ + sqlite3VdbePrintOp(0, i, &p->aOp[i]); + test_addop_breakpoint(i, &p->aOp[i]); + } +#endif +#ifdef SQLITE_VDBE_COVERAGE + pOp->iSrcLine = 0; +#endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp3() */ + + return i; } /* Generate code for an unconditional jump to instruction iDest @@ -82810,10 +84824,10 @@ SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ */ SQLITE_PRIVATE int sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ int addr = 0; -#if !defined(SQLITE_DEBUG) && !defined(SQLITE_ENABLE_STMT_SCANSTATUS) +#if !defined(SQLITE_DEBUG) /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined. ** But omit them (for performance) during production builds */ - if( pParse->explain==2 ) + if( pParse->explain==2 || IS_STMT_SCANSTATUS(pParse->db) ) #endif { char *zMsg; @@ -82831,7 +84845,7 @@ SQLITE_PRIVATE int sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, if( bPush){ pParse->addrExplain = iThis; } - sqlite3VdbeScanStatus(v, iThis, 0, 0, 0, 0); + sqlite3VdbeScanStatus(v, iThis, -1, -1, 0, 0); } return addr; } @@ -82861,26 +84875,6 @@ SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe *p, int iDb, char *zWhere, sqlite3MayAbort(p->pParse); } -/* -** Add an opcode that includes the p4 value as an integer. -*/ -SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( - Vdbe *p, /* Add the opcode to this VM */ - int op, /* The new opcode */ - int p1, /* The P1 operand */ - int p2, /* The P2 operand */ - int p3, /* The P3 operand */ - int p4 /* The P4 operand as an integer */ -){ - int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); - if( p->db->mallocFailed==0 ){ - VdbeOp *pOp = &p->aOp[addr]; - pOp->p4type = P4_INT32; - pOp->p4.i = p4; - } - return addr; -} - /* Insert the end of a co-routine */ SQLITE_PRIVATE void sqlite3VdbeEndCoroutine(Vdbe *v, int regYield){ @@ -83187,11 +85181,13 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ Op *pOp; Parse *pParse = p->pParse; int *aLabel = pParse->aLabel; + + assert( pParse->db->mallocFailed==0 ); /* tag-20230419-1 */ p->readOnly = 1; p->bIsReader = 0; pOp = &p->aOp[p->nOp-1]; assert( p->aOp[0].opcode==OP_Init ); - while( 1 /* Loop termates when it reaches the OP_Init opcode */ ){ + while( 1 /* Loop terminates when it reaches the OP_Init opcode */ ){ /* Only JUMP opcodes and the short list of special opcodes in the switch ** below need to be considered. The mkopcodeh.tcl generator script groups ** all these opcodes together near the front of the opcode list. Skip @@ -83246,6 +85242,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ ** have non-negative values for P2. */ assert( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 ); assert( ADDR(pOp->p2)<-pParse->nLabel ); + assert( aLabel!=0 ); /* True because of tag-20230419-1 */ pOp->p2 = aLabel[ADDR(pOp->p2)]; } break; @@ -83312,6 +85309,10 @@ SQLITE_PRIVATE void sqlite3VdbeNoJumpsOutsideSubrtn( int iDest = pOp->p2; /* Jump destination */ if( iDest==0 ) continue; if( pOp->opcode==OP_Gosub ) continue; + if( pOp->p3==20230325 && pOp->opcode==OP_NotNull ){ + /* This is a deliberately taken illegal branch. tag-20230325-2 */ + continue; + } if( iDest<0 ){ int j = ADDR(iDest); assert( j>=0 ); @@ -83489,18 +85490,20 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatus( LogEst nEst, /* Estimated number of output rows */ const char *zName /* Name of table or index being scanned */ ){ - sqlite3_int64 nByte = (p->nScan+1) * sizeof(ScanStatus); - ScanStatus *aNew; - aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte); - if( aNew ){ - ScanStatus *pNew = &aNew[p->nScan++]; - memset(pNew, 0, sizeof(ScanStatus)); - pNew->addrExplain = addrExplain; - pNew->addrLoop = addrLoop; - pNew->addrVisit = addrVisit; - pNew->nEst = nEst; - pNew->zName = sqlite3DbStrDup(p->db, zName); - p->aScan = aNew; + if( IS_STMT_SCANSTATUS(p->db) ){ + sqlite3_int64 nByte = (p->nScan+1) * sizeof(ScanStatus); + ScanStatus *aNew; + aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte); + if( aNew ){ + ScanStatus *pNew = &aNew[p->nScan++]; + memset(pNew, 0, sizeof(ScanStatus)); + pNew->addrExplain = addrExplain; + pNew->addrLoop = addrLoop; + pNew->addrVisit = addrVisit; + pNew->nEst = nEst; + pNew->zName = sqlite3DbStrDup(p->db, zName); + p->aScan = aNew; + } } } @@ -83517,20 +85520,22 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatusRange( int addrStart, int addrEnd ){ - ScanStatus *pScan = 0; - int ii; - for(ii=p->nScan-1; ii>=0; ii--){ - pScan = &p->aScan[ii]; - if( pScan->addrExplain==addrExplain ) break; - pScan = 0; - } - if( pScan ){ - if( addrEnd<0 ) addrEnd = sqlite3VdbeCurrentAddr(p)-1; - for(ii=0; iiaAddrRange); ii+=2){ - if( pScan->aAddrRange[ii]==0 ){ - pScan->aAddrRange[ii] = addrStart; - pScan->aAddrRange[ii+1] = addrEnd; - break; + if( IS_STMT_SCANSTATUS(p->db) ){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + if( addrEnd<0 ) addrEnd = sqlite3VdbeCurrentAddr(p)-1; + for(ii=0; iiaAddrRange); ii+=2){ + if( pScan->aAddrRange[ii]==0 ){ + pScan->aAddrRange[ii] = addrStart; + pScan->aAddrRange[ii+1] = addrEnd; + break; + } } } } @@ -83547,19 +85552,21 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters( int addrLoop, int addrVisit ){ - ScanStatus *pScan = 0; - int ii; - for(ii=p->nScan-1; ii>=0; ii--){ - pScan = &p->aScan[ii]; - if( pScan->addrExplain==addrExplain ) break; - pScan = 0; - } - if( pScan ){ - pScan->addrLoop = addrLoop; - pScan->addrVisit = addrVisit; + if( IS_STMT_SCANSTATUS(p->db) ){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + if( addrLoop>0 ) pScan->addrLoop = addrLoop; + if( addrVisit>0 ) pScan->addrVisit = addrVisit; + } } } -#endif +#endif /* defined(SQLITE_ENABLE_STMT_SCANSTATUS) */ /* @@ -83638,7 +85645,7 @@ SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe *p, int addr){ /* ** If the input FuncDef structure is ephemeral, then free it. If -** the FuncDef is not ephermal, then do nothing. +** the FuncDef is not ephemeral, then do nothing. */ static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){ assert( db!=0 ); @@ -83699,6 +85706,10 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){ if( db->pnBytesFreed==0 ) sqlite3VtabUnlock((VTable *)p4); break; } + case P4_TABLEREF: { + if( db->pnBytesFreed==0 ) sqlite3DeleteTable(db, (Table*)p4); + break; + } } } @@ -83802,7 +85813,6 @@ SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters( } #endif /* SQLITE_DEBUG */ - /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a @@ -83827,7 +85837,7 @@ static void SQLITE_NOINLINE vdbeChangeP4Full( int n ){ if( pOp->p4type ){ - freeP4(p->db, pOp->p4type, pOp->p4.p); + assert( pOp->p4type > P4_FREE_IF_LE ); pOp->p4type = 0; pOp->p4.p = 0; } @@ -83983,7 +85993,7 @@ SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetOp(Vdbe *p, int addr){ /* Return the most recently added opcode */ -VdbeOp * sqlite3VdbeGetLastOp(Vdbe *p){ +SQLITE_PRIVATE VdbeOp *sqlite3VdbeGetLastOp(Vdbe *p){ return sqlite3VdbeGetOp(p, p->nOp - 1); } @@ -84723,7 +86733,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetInt64(pMem+1, pOp->p2); sqlite3VdbeMemSetInt64(pMem+2, pOp->p3); sqlite3VdbeMemSetStr(pMem+3, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 4; + assert( p->nResColumn==4 ); }else{ sqlite3VdbeMemSetInt64(pMem+0, i); sqlite3VdbeMemSetStr(pMem+1, (char*)sqlite3OpcodeName(pOp->opcode), @@ -84742,7 +86752,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetNull(pMem+7); #endif sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 8; + assert( p->nResColumn==8 ); } p->pResultRow = pMem; if( db->mallocFailed ){ @@ -84956,26 +86966,9 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( resolveP2Values(p, &nArg); p->usesStmtJournal = (u8)(pParse->isMultiWrite && pParse->mayAbort); if( pParse->explain ){ - static const char * const azColName[] = { - "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", - "id", "parent", "notused", "detail" - }; - int iFirst, mx, i; if( nMem<10 ) nMem = 10; p->explain = pParse->explain; - if( pParse->explain==2 ){ - sqlite3VdbeSetNumCols(p, 4); - iFirst = 8; - mx = 12; - }else{ - sqlite3VdbeSetNumCols(p, 8); - iFirst = 0; - mx = 8; - } - for(i=iFirst; inResColumn = 12 - 4*p->explain; } p->expired = 0; @@ -85027,7 +87020,23 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ if( pCx ) sqlite3VdbeFreeCursorNN(p,pCx); } +static SQLITE_NOINLINE void freeCursorWithCache(Vdbe *p, VdbeCursor *pCx){ + VdbeTxtBlbCache *pCache = pCx->pCache; + assert( pCx->colCache ); + pCx->colCache = 0; + pCx->pCache = 0; + if( pCache->pCValue ){ + sqlite3RCStrUnref(pCache->pCValue); + pCache->pCValue = 0; + } + sqlite3DbFree(p->db, pCache); + sqlite3VdbeFreeCursorNN(p, pCx); +} SQLITE_PRIVATE void sqlite3VdbeFreeCursorNN(Vdbe *p, VdbeCursor *pCx){ + if( pCx->colCache ){ + freeCursorWithCache(p, pCx); + return; + } switch( pCx->eCurType ){ case CURTYPE_SORTER: { sqlite3VdbeSorterClose(p->db, pCx); @@ -85128,12 +87137,12 @@ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ int n; sqlite3 *db = p->db; - if( p->nResColumn ){ - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + if( p->nResAlloc ){ + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); sqlite3DbFree(db, p->aColName); } n = nResColumn*COLNAME_N; - p->nResColumn = (u16)nResColumn; + p->nResColumn = p->nResAlloc = (u16)nResColumn; p->aColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; initMemArray(p->aColName, n, db, MEM_Null); @@ -85158,14 +87167,14 @@ SQLITE_PRIVATE int sqlite3VdbeSetColName( ){ int rc; Mem *pColName; - assert( idxnResColumn ); + assert( idxnResAlloc ); assert( vardb->mallocFailed ){ assert( !zName || xDel!=SQLITE_DYNAMIC ); return SQLITE_NOMEM_BKPT; } assert( p->aColName!=0 ); - pColName = &(p->aColName[idx+var*p->nResColumn]); + pColName = &(p->aColName[idx+var*p->nResAlloc]); rc = sqlite3VdbeMemSetStr(pColName, zName, -1, SQLITE_UTF8, xDel); assert( rc!=0 || !zName || (pColName->flags&MEM_Term)!=0 ); return rc; @@ -85678,6 +87687,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ sqlite3VdbeLeave(p); return SQLITE_BUSY; }else if( rc!=SQLITE_OK ){ + sqlite3SystemError(db, rc); p->rc = rc; sqlite3RollbackAll(db, SQLITE_OK); p->nChange = 0; @@ -85687,6 +87697,8 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ db->flags &= ~(u64)SQLITE_DeferFKs; sqlite3CommitInternalChanges(db); } + }else if( p->rc==SQLITE_SCHEMA && db->nVdbeActive>1 ){ + p->nChange = 0; }else{ sqlite3RollbackAll(db, SQLITE_OK); p->nChange = 0; @@ -85987,7 +87999,7 @@ static void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){ assert( db!=0 ); assert( p->db==0 || p->db==db ); if( p->aColName ){ - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); sqlite3DbNNFreeNN(db, p->aColName); } for(pSub=p->pProgram; pSub; pSub=pNext){ @@ -86005,9 +88017,9 @@ static void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){ #ifdef SQLITE_ENABLE_NORMALIZE sqlite3DbFree(db, p->zNormSql); { - DblquoteStr *pThis, *pNext; - for(pThis=p->pDblStr; pThis; pThis=pNext){ - pNext = pThis->pNextStr; + DblquoteStr *pThis, *pNxt; + for(pThis=p->pDblStr; pThis; pThis=pNxt){ + pNxt = pThis->pNextStr; sqlite3DbFree(db, pThis); } } @@ -86587,6 +88599,15 @@ static int vdbeRecordCompareDebug( if( d1+(u64)serial_type1+2>(u64)nKey1 && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)>(u64)nKey1 ){ + if( serial_type1>=1 + && serial_type1<=7 + && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)<=(u64)nKey1+8 + && CORRUPT_DB + ){ + return 1; /* corrupt record not detected by + ** sqlite3VdbeRecordCompareWithSkip(). Return true + ** to avoid firing the assert() */ + } break; } @@ -86755,20 +88776,33 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3BlobCompare(const Mem *pB1, const Mem return n1 - n2; } +/* The following two functions are used only within testcase() to prove +** test coverage. These functions do no exist for production builds. +** We must use separate SQLITE_NOINLINE functions here, since otherwise +** optimizer code movement causes gcov to become very confused. +*/ +#if defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG) +static int SQLITE_NOINLINE doubleLt(double a, double b){ return a8 ){ + if( sqlite3IsNaN(r) ){ + /* SQLite considers NaN to be a NULL. And all integer values are greater + ** than NULL */ + return 1; + } + if( sqlite3Config.bUseLongDouble ){ LONGDOUBLE_TYPE x = (LONGDOUBLE_TYPE)i; testcase( xr ); testcase( x==r ); - if( xr ) return +1; /*NO_TEST*/ /* work around bugs in gcov */ - return 0; /*NO_TEST*/ /* work around bugs in gcov */ + return (xr); }else{ i64 y; double s; @@ -86778,9 +88812,10 @@ SQLITE_PRIVATE int sqlite3IntFloatCompare(i64 i, double r){ if( iy ) return +1; s = (double)i; - if( sr ) return +1; - return 0; + testcase( doubleLt(s,r) ); + testcase( doubleLt(r,s) ); + testcase( doubleEq(r,s) ); + return (sr); } } @@ -87030,7 +89065,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* Serial types 12 or greater are strings and blobs (greater than ** numbers). Types 10 and 11 are currently "reserved for future ** use", so it doesn't really matter what the results of comparing - ** them to numberic values are. */ + ** them to numeric values are. */ rc = serial_type==10 ? -1 : +1; }else if( serial_type==0 ){ rc = -1; @@ -87634,6 +89669,20 @@ SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){ return 1; } +#if defined(SQLITE_ENABLE_CURSOR_HINTS) && defined(SQLITE_DEBUG) +/* +** This Walker callback is used to help verify that calls to +** sqlite3BtreeCursorHint() with opcode BTREE_HINT_RANGE have +** byte-code register values correctly initialized. +*/ +SQLITE_PRIVATE int sqlite3CursorRangeHintExprCheck(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_REGISTER ){ + assert( (pWalker->u.aMem[pExpr->iTable].flags & MEM_Undefined)==0 ); + } + return WRC_Continue; +} +#endif /* SQLITE_ENABLE_CURSOR_HINTS && SQLITE_DEBUG */ + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Transfer error message text from an sqlite3_vtab.zErrMsg (text stored @@ -87696,6 +89745,16 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( PreUpdate preupdate; const char *zTbl = pTab->zName; static const u8 fakeSortOrder = 0; +#ifdef SQLITE_DEBUG + int nRealCol; + if( pTab->tabFlags & TF_WithoutRowid ){ + nRealCol = sqlite3PrimaryKeyIndex(pTab)->nColumn; + }else if( pTab->tabFlags & TF_HasVirtual ){ + nRealCol = pTab->nNVCol; + }else{ + nRealCol = pTab->nCol; + } +#endif assert( db->pPreUpdate==0 ); memset(&preupdate, 0, sizeof(PreUpdate)); @@ -87712,8 +89771,8 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( assert( pCsr!=0 ); assert( pCsr->eCurType==CURTYPE_BTREE ); - assert( pCsr->nField==pTab->nCol - || (pCsr->nField==pTab->nCol+1 && op==SQLITE_DELETE && iReg==-1) + assert( pCsr->nField==nRealCol + || (pCsr->nField==nRealCol+1 && op==SQLITE_DELETE && iReg==-1) ); preupdate.v = v; @@ -87901,7 +89960,15 @@ SQLITE_API int sqlite3_clear_bindings(sqlite3_stmt *pStmt){ int rc = SQLITE_OK; Vdbe *p = (Vdbe*)pStmt; #if SQLITE_THREADSAFE - sqlite3_mutex *mutex = ((Vdbe*)pStmt)->db->mutex; + sqlite3_mutex *mutex; +#endif +#ifdef SQLITE_ENABLE_API_ARMOR + if( pStmt==0 ){ + return SQLITE_MISUSE_BKPT; + } +#endif +#if SQLITE_THREADSAFE + mutex = p->db->mutex; #endif sqlite3_mutex_enter(mutex); for(i=0; inVar; i++){ @@ -88020,7 +90087,7 @@ SQLITE_API int sqlite3_value_type(sqlite3_value* pVal){ SQLITE_NULL, /* 0x1f (not possible) */ SQLITE_FLOAT, /* 0x20 INTREAL */ SQLITE_NULL, /* 0x21 (not possible) */ - SQLITE_TEXT, /* 0x22 INTREAL + TEXT */ + SQLITE_FLOAT, /* 0x22 INTREAL + TEXT */ SQLITE_NULL, /* 0x23 (not possible) */ SQLITE_FLOAT, /* 0x24 (not possible) */ SQLITE_NULL, /* 0x25 (not possible) */ @@ -88124,7 +90191,7 @@ SQLITE_API void sqlite3_value_free(sqlite3_value *pOld){ ** is too big or if an OOM occurs. ** ** The invokeValueDestructor(P,X) routine invokes destructor function X() -** on value P is not going to be used and need to be destroyed. +** on value P if P is not going to be used and need to be destroyed. */ static void setResultStrOrError( sqlite3_context *pCtx, /* Function context */ @@ -88154,7 +90221,7 @@ static void setResultStrOrError( static int invokeValueDestructor( const void *p, /* Value to destroy */ void (*xDel)(void*), /* The destructor */ - sqlite3_context *pCtx /* Set a SQLITE_TOOBIG error if no NULL */ + sqlite3_context *pCtx /* Set a SQLITE_TOOBIG error if not NULL */ ){ assert( xDel!=SQLITE_DYNAMIC ); if( xDel==0 ){ @@ -88164,7 +90231,14 @@ static int invokeValueDestructor( }else{ xDel((void*)p); } +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx!=0 ){ + sqlite3_result_error_toobig(pCtx); + } +#else + assert( pCtx!=0 ); sqlite3_result_error_toobig(pCtx); +#endif return SQLITE_TOOBIG; } SQLITE_API void sqlite3_result_blob( @@ -88173,6 +90247,12 @@ SQLITE_API void sqlite3_result_blob( int n, void (*xDel)(void *) ){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 || n<0 ){ + invokeValueDestructor(z, xDel, pCtx); + return; + } +#endif assert( n>=0 ); assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); setResultStrOrError(pCtx, z, n, 0, xDel); @@ -88183,8 +90263,14 @@ SQLITE_API void sqlite3_result_blob64( sqlite3_uint64 n, void (*xDel)(void *) ){ - assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); assert( xDel!=SQLITE_DYNAMIC ); +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ){ + invokeValueDestructor(z, xDel, 0); + return; + } +#endif + assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); if( n>0x7fffffff ){ (void)invokeValueDestructor(z, xDel, pCtx); }else{ @@ -88192,30 +90278,48 @@ SQLITE_API void sqlite3_result_blob64( } } SQLITE_API void sqlite3_result_double(sqlite3_context *pCtx, double rVal){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetDouble(pCtx->pOut, rVal); } SQLITE_API void sqlite3_result_error(sqlite3_context *pCtx, const char *z, int n){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); pCtx->isError = SQLITE_ERROR; sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF8, SQLITE_TRANSIENT); } #ifndef SQLITE_OMIT_UTF16 SQLITE_API void sqlite3_result_error16(sqlite3_context *pCtx, const void *z, int n){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); pCtx->isError = SQLITE_ERROR; sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF16NATIVE, SQLITE_TRANSIENT); } #endif SQLITE_API void sqlite3_result_int(sqlite3_context *pCtx, int iVal){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, (i64)iVal); } SQLITE_API void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetInt64(pCtx->pOut, iVal); } SQLITE_API void sqlite3_result_null(sqlite3_context *pCtx){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); } @@ -88225,14 +90329,37 @@ SQLITE_API void sqlite3_result_pointer( const char *zPType, void (*xDestructor)(void*) ){ - Mem *pOut = pCtx->pOut; + Mem *pOut; +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ){ + invokeValueDestructor(pPtr, xDestructor, 0); + return; + } +#endif + pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); sqlite3VdbeMemRelease(pOut); pOut->flags = MEM_Null; sqlite3VdbeMemSetPointer(pOut, pPtr, zPType, xDestructor); } SQLITE_API void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubtype){ - Mem *pOut = pCtx->pOut; + Mem *pOut; +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif +#if defined(SQLITE_STRICT_SUBTYPE) && SQLITE_STRICT_SUBTYPE+0!=0 + if( pCtx->pFunc!=0 + && (pCtx->pFunc->funcFlags & SQLITE_RESULT_SUBTYPE)==0 + ){ + char zErr[200]; + sqlite3_snprintf(sizeof(zErr), zErr, + "misuse of sqlite3_result_subtype() by %s()", + pCtx->pFunc->zName); + sqlite3_result_error(pCtx, zErr, -1); + return; + } +#endif /* SQLITE_STRICT_SUBTYPE */ + pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); pOut->eSubtype = eSubtype & 0xff; pOut->flags |= MEM_Subtype; @@ -88243,6 +90370,12 @@ SQLITE_API void sqlite3_result_text( int n, void (*xDel)(void *) ){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ){ + invokeValueDestructor(z, xDel, 0); + return; + } +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); setResultStrOrError(pCtx, z, n, SQLITE_UTF8, xDel); } @@ -88253,6 +90386,12 @@ SQLITE_API void sqlite3_result_text64( void (*xDel)(void *), unsigned char enc ){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ){ + invokeValueDestructor(z, xDel, 0); + return; + } +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); assert( xDel!=SQLITE_DYNAMIC ); if( enc!=SQLITE_UTF8 ){ @@ -88263,6 +90402,7 @@ SQLITE_API void sqlite3_result_text64( (void)invokeValueDestructor(z, xDel, pCtx); }else{ setResultStrOrError(pCtx, z, (int)n, enc, xDel); + sqlite3VdbeMemZeroTerminateIfAble(pCtx->pOut); } } #ifndef SQLITE_OMIT_UTF16 @@ -88295,7 +90435,16 @@ SQLITE_API void sqlite3_result_text16le( } #endif /* SQLITE_OMIT_UTF16 */ SQLITE_API void sqlite3_result_value(sqlite3_context *pCtx, sqlite3_value *pValue){ - Mem *pOut = pCtx->pOut; + Mem *pOut; + +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; + if( pValue==0 ){ + sqlite3_result_null(pCtx); + return; + } +#endif + pOut = pCtx->pOut; assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemCopy(pOut, pValue); sqlite3VdbeChangeEncoding(pOut, pCtx->enc); @@ -88307,7 +90456,12 @@ SQLITE_API void sqlite3_result_zeroblob(sqlite3_context *pCtx, int n){ sqlite3_result_zeroblob64(pCtx, n>0 ? n : 0); } SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context *pCtx, u64 n){ - Mem *pOut = pCtx->pOut; + Mem *pOut; + +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return SQLITE_MISUSE_BKPT; +#endif + pOut = pCtx->pOut; assert( sqlite3_mutex_held(pOut->db->mutex) ); if( n>(u64)pOut->db->aLimit[SQLITE_LIMIT_LENGTH] ){ sqlite3_result_error_toobig(pCtx); @@ -88321,6 +90475,9 @@ SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context *pCtx, u64 n){ #endif } SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif pCtx->isError = errCode ? errCode : -1; #ifdef SQLITE_DEBUG if( pCtx->pVdbe ) pCtx->pVdbe->rcApp = errCode; @@ -88333,6 +90490,9 @@ SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ /* Force an SQLITE_TOOBIG error. */ SQLITE_API void sqlite3_result_error_toobig(sqlite3_context *pCtx){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); pCtx->isError = SQLITE_TOOBIG; sqlite3VdbeMemSetStr(pCtx->pOut, "string or blob too big", -1, @@ -88341,6 +90501,9 @@ SQLITE_API void sqlite3_result_error_toobig(sqlite3_context *pCtx){ /* An SQLITE_NOMEM error. */ SQLITE_API void sqlite3_result_error_nomem(sqlite3_context *pCtx){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); sqlite3VdbeMemSetNull(pCtx->pOut); pCtx->isError = SQLITE_NOMEM_BKPT; @@ -88593,6 +90756,9 @@ SQLITE_API int sqlite3_step(sqlite3_stmt *pStmt){ ** pointer to it. */ SQLITE_API void *sqlite3_user_data(sqlite3_context *p){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( p==0 ) return 0; +#endif assert( p && p->pFunc ); return p->pFunc->pUserData; } @@ -88608,7 +90774,11 @@ SQLITE_API void *sqlite3_user_data(sqlite3_context *p){ ** application defined function. */ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context *p){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( p==0 ) return 0; +#else assert( p && p->pOut ); +#endif return p->pOut->db; } @@ -88627,7 +90797,11 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context *p){ ** value, as a signal to the xUpdate routine that the column is unchanged. */ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context *p){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( p==0 ) return 0; +#else assert( p ); +#endif return sqlite3_value_nochange(p->pOut); } @@ -88635,7 +90809,7 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context *p){ ** The destructor function for a ValueList object. This needs to be ** a separate function, unknowable to the application, to ensure that ** calls to sqlite3_vtab_in_first()/sqlite3_vtab_in_next() that are not -** preceeded by activation of IN processing via sqlite3_vtab_int() do not +** preceded by activation of IN processing via sqlite3_vtab_int() do not ** try to access a fake ValueList object inserted by a hostile extension. */ SQLITE_PRIVATE void sqlite3VdbeValueListFree(void *pToDelete){ @@ -88655,7 +90829,7 @@ static int valueFromValueList( ValueList *pRhs; *ppOut = 0; - if( pVal==0 ) return SQLITE_MISUSE; + if( pVal==0 ) return SQLITE_MISUSE_BKPT; if( (pVal->flags & MEM_Dyn)==0 || pVal->xDel!=sqlite3VdbeValueListFree ){ return SQLITE_ERROR; }else{ @@ -88786,6 +90960,9 @@ SQLITE_API void *sqlite3_aggregate_context(sqlite3_context *p, int nByte){ SQLITE_API void *sqlite3_get_auxdata(sqlite3_context *pCtx, int iArg){ AuxData *pAuxData; +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return 0; +#endif assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); #if SQLITE_ENABLE_STAT4 if( pCtx->pVdbe==0 ) return 0; @@ -88818,8 +90995,12 @@ SQLITE_API void sqlite3_set_auxdata( void (*xDelete)(void*) ){ AuxData *pAuxData; - Vdbe *pVdbe = pCtx->pVdbe; + Vdbe *pVdbe; +#ifdef SQLITE_ENABLE_API_ARMOR + if( pCtx==0 ) return; +#endif + pVdbe= pCtx->pVdbe; assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); #ifdef SQLITE_ENABLE_STAT4 if( pVdbe==0 ) goto failed; @@ -88875,7 +91056,8 @@ SQLITE_API int sqlite3_aggregate_count(sqlite3_context *p){ */ SQLITE_API int sqlite3_column_count(sqlite3_stmt *pStmt){ Vdbe *pVm = (Vdbe *)pStmt; - return pVm ? pVm->nResColumn : 0; + if( pVm==0 ) return 0; + return pVm->nResColumn; } /* @@ -88964,7 +91146,7 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ ** sqlite3_column_real() ** sqlite3_column_bytes() ** sqlite3_column_bytes16() -** sqiite3_column_blob() +** sqlite3_column_blob() */ static void columnMallocFailure(sqlite3_stmt *pStmt) { @@ -89048,6 +91230,32 @@ SQLITE_API int sqlite3_column_type(sqlite3_stmt *pStmt, int i){ return iType; } +/* +** Column names appropriate for EXPLAIN or EXPLAIN QUERY PLAN. +*/ +static const char * const azExplainColNames8[] = { + "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", /* EXPLAIN */ + "id", "parent", "notused", "detail" /* EQP */ +}; +static const u16 azExplainColNames16data[] = { + /* 0 */ 'a', 'd', 'd', 'r', 0, + /* 5 */ 'o', 'p', 'c', 'o', 'd', 'e', 0, + /* 12 */ 'p', '1', 0, + /* 15 */ 'p', '2', 0, + /* 18 */ 'p', '3', 0, + /* 21 */ 'p', '4', 0, + /* 24 */ 'p', '5', 0, + /* 27 */ 'c', 'o', 'm', 'm', 'e', 'n', 't', 0, + /* 35 */ 'i', 'd', 0, + /* 38 */ 'p', 'a', 'r', 'e', 'n', 't', 0, + /* 45 */ 'n', 'o', 't', 'u', 's', 'e', 'd', 0, + /* 53 */ 'd', 'e', 't', 'a', 'i', 'l', 0 +}; +static const u8 iExplainColNames16[] = { + 0, 5, 12, 15, 18, 21, 24, 27, + 35, 38, 45, 53 +}; + /* ** Convert the N-th element of pStmt->pColName[] into a string using ** xFunc() then return that string. If N is out of range, return 0. @@ -89080,15 +91288,29 @@ static const void *columnName( return 0; } #endif + if( N<0 ) return 0; ret = 0; p = (Vdbe *)pStmt; db = p->db; assert( db!=0 ); - n = sqlite3_column_count(pStmt); - if( N=0 ){ + sqlite3_mutex_enter(db->mutex); + + if( p->explain ){ + if( useType>0 ) goto columnName_end; + n = p->explain==1 ? 8 : 4; + if( N>=n ) goto columnName_end; + if( useUtf16 ){ + int i = iExplainColNames16[N + 8*p->explain - 8]; + ret = (void*)&azExplainColNames16data[i]; + }else{ + ret = (void*)azExplainColNames8[N + 8*p->explain - 8]; + } + goto columnName_end; + } + n = p->nResColumn; + if( NmallocFailed; N += useType*n; - sqlite3_mutex_enter(db->mutex); - assert( db->mallocFailed==0 ); #ifndef SQLITE_OMIT_UTF16 if( useUtf16 ){ ret = sqlite3_value_text16((sqlite3_value*)&p->aColName[N]); @@ -89100,12 +91322,14 @@ static const void *columnName( /* A malloc may have failed inside of the _text() call. If this ** is the case, clear the mallocFailed flag and return NULL. */ - if( db->mallocFailed ){ + assert( db->mallocFailed==0 || db->mallocFailed==1 ); + if( db->mallocFailed > prior_mallocFailed ){ sqlite3OomClear(db); ret = 0; } - sqlite3_mutex_leave(db->mutex); } +columnName_end: + sqlite3_mutex_leave(db->mutex); return ret; } @@ -89198,7 +91422,7 @@ SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){ /* ** Unbind the value bound to variable i in virtual machine p. This is the ** the same as binding a NULL value to the column. If the "i" parameter is -** out of range, then SQLITE_RANGE is returned. Othewise SQLITE_OK. +** out of range, then SQLITE_RANGE is returned. Otherwise SQLITE_OK. ** ** A successful evaluation of this routine acquires the mutex on p. ** the mutex is released if any kind of error occurs. @@ -89213,7 +91437,7 @@ static int vdbeUnbind(Vdbe *p, unsigned int i){ } sqlite3_mutex_enter(p->db->mutex); if( p->eVdbeState!=VDBE_READY_STATE ){ - sqlite3Error(p->db, SQLITE_MISUSE); + sqlite3Error(p->db, SQLITE_MISUSE_BKPT); sqlite3_mutex_leave(p->db->mutex); sqlite3_log(SQLITE_MISUSE, "bind on a busy prepared statement: [%s]", p->zSql); @@ -89442,6 +91666,9 @@ SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){ SQLITE_API int sqlite3_bind_zeroblob64(sqlite3_stmt *pStmt, int i, sqlite3_uint64 n){ int rc; Vdbe *p = (Vdbe *)pStmt; +#ifdef SQLITE_ENABLE_API_ARMOR + if( p==0 ) return SQLITE_MISUSE_BKPT; +#endif sqlite3_mutex_enter(p->db->mutex); if( n>(u64)p->db->aLimit[SQLITE_LIMIT_LENGTH] ){ rc = SQLITE_TOOBIG; @@ -89562,6 +91789,42 @@ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt){ return pStmt ? ((Vdbe*)pStmt)->explain : 0; } +/* +** Set the explain mode for a statement. +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode){ + Vdbe *v = (Vdbe*)pStmt; + int rc; +#ifdef SQLITE_ENABLE_API_ARMOR + if( pStmt==0 ) return SQLITE_MISUSE_BKPT; +#endif + sqlite3_mutex_enter(v->db->mutex); + if( ((int)v->explain)==eMode ){ + rc = SQLITE_OK; + }else if( eMode<0 || eMode>2 ){ + rc = SQLITE_ERROR; + }else if( (v->prepFlags & SQLITE_PREPARE_SAVESQL)==0 ){ + rc = SQLITE_ERROR; + }else if( v->eVdbeState!=VDBE_READY_STATE ){ + rc = SQLITE_BUSY; + }else if( v->nMem>=10 && (eMode!=2 || v->haveEqpOps) ){ + /* No reprepare necessary */ + v->explain = eMode; + rc = SQLITE_OK; + }else{ + v->explain = eMode; + rc = sqlite3Reprepare(v); + v->haveEqpOps = eMode==2; + } + if( v->explain ){ + v->nResColumn = 12 - 4*v->explain; + }else{ + v->nResColumn = v->nResAlloc; + } + sqlite3_mutex_leave(v->db->mutex); + return rc; +} + /* ** Return true if the prepared statement is in need of being reset. */ @@ -89701,10 +91964,16 @@ static UnpackedRecord *vdbeUnpackRecord( ** a field of the row currently being updated or deleted. */ SQLITE_API int sqlite3_preupdate_old(sqlite3 *db, int iIdx, sqlite3_value **ppValue){ - PreUpdate *p = db->pPreUpdate; + PreUpdate *p; Mem *pMem; int rc = SQLITE_OK; +#ifdef SQLITE_ENABLE_API_ARMOR + if( db==0 || ppValue==0 ){ + return SQLITE_MISUSE_BKPT; + } +#endif + p = db->pPreUpdate; /* Test that this call is being made from within an SQLITE_DELETE or ** SQLITE_UPDATE pre-update callback, and that iIdx is within range. */ if( !p || p->op==SQLITE_INSERT ){ @@ -89765,7 +92034,12 @@ SQLITE_API int sqlite3_preupdate_old(sqlite3 *db, int iIdx, sqlite3_value **ppVa ** the number of columns in the row being updated, deleted or inserted. */ SQLITE_API int sqlite3_preupdate_count(sqlite3 *db){ - PreUpdate *p = db->pPreUpdate; + PreUpdate *p; +#ifdef SQLITE_ENABLE_API_ARMOR + p = db!=0 ? db->pPreUpdate : 0; +#else + p = db->pPreUpdate; +#endif return (p ? p->keyinfo.nKeyField : 0); } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ @@ -89783,7 +92057,12 @@ SQLITE_API int sqlite3_preupdate_count(sqlite3 *db){ ** or SET DEFAULT action is considered a trigger. */ SQLITE_API int sqlite3_preupdate_depth(sqlite3 *db){ - PreUpdate *p = db->pPreUpdate; + PreUpdate *p; +#ifdef SQLITE_ENABLE_API_ARMOR + p = db!=0 ? db->pPreUpdate : 0; +#else + p = db->pPreUpdate; +#endif return (p ? p->v->nFrame : 0); } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ @@ -89794,7 +92073,12 @@ SQLITE_API int sqlite3_preupdate_depth(sqlite3 *db){ ** only. */ SQLITE_API int sqlite3_preupdate_blobwrite(sqlite3 *db){ - PreUpdate *p = db->pPreUpdate; + PreUpdate *p; +#ifdef SQLITE_ENABLE_API_ARMOR + p = db!=0 ? db->pPreUpdate : 0; +#else + p = db->pPreUpdate; +#endif return (p ? p->iBlobWrite : -1); } #endif @@ -89805,10 +92089,16 @@ SQLITE_API int sqlite3_preupdate_blobwrite(sqlite3 *db){ ** a field of the row currently being updated or inserted. */ SQLITE_API int sqlite3_preupdate_new(sqlite3 *db, int iIdx, sqlite3_value **ppValue){ - PreUpdate *p = db->pPreUpdate; + PreUpdate *p; int rc = SQLITE_OK; Mem *pMem; +#ifdef SQLITE_ENABLE_API_ARMOR + if( db==0 || ppValue==0 ){ + return SQLITE_MISUSE_BKPT; + } +#endif + p = db->pPreUpdate; if( !p || p->op==SQLITE_DELETE ){ rc = SQLITE_MISUSE_BKPT; goto preupdate_new_out; @@ -89887,15 +92177,33 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( void *pOut /* OUT: Write the answer here */ ){ Vdbe *p = (Vdbe*)pStmt; - ScanStatus *pScan; + VdbeOp *aOp; + int nOp; + ScanStatus *pScan = 0; int idx; +#ifdef SQLITE_ENABLE_API_ARMOR + if( p==0 || pOut==0 + || iScanStatusOpSQLITE_SCANSTAT_NCYCLE ){ + return 1; + } +#endif + aOp = p->aOp; + nOp = p->nOp; + if( p->pFrame ){ + VdbeFrame *pFrame; + for(pFrame=p->pFrame; pFrame->pParent; pFrame=pFrame->pParent); + aOp = pFrame->aOp; + nOp = pFrame->nOp; + } + if( iScan<0 ){ int ii; if( iScanStatusOp==SQLITE_SCANSTAT_NCYCLE ){ i64 res = 0; - for(ii=0; iinOp; ii++){ - res += p->aOp[ii].nCycle; + for(ii=0; iiaddrLoop>0 ){ - *(sqlite3_int64*)pOut = p->aOp[pScan->addrLoop].nExec; + *(sqlite3_int64*)pOut = aOp[pScan->addrLoop].nExec; }else{ *(sqlite3_int64*)pOut = -1; } @@ -89929,7 +92237,7 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( } case SQLITE_SCANSTAT_NVISIT: { if( pScan->addrVisit>0 ){ - *(sqlite3_int64*)pOut = p->aOp[pScan->addrVisit].nExec; + *(sqlite3_int64*)pOut = aOp[pScan->addrVisit].nExec; }else{ *(sqlite3_int64*)pOut = -1; } @@ -89951,7 +92259,7 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( } case SQLITE_SCANSTAT_EXPLAIN: { if( pScan->addrExplain ){ - *(const char**)pOut = p->aOp[ pScan->addrExplain ].p4.z; + *(const char**)pOut = aOp[ pScan->addrExplain ].p4.z; }else{ *(const char**)pOut = 0; } @@ -89959,7 +92267,7 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( } case SQLITE_SCANSTAT_SELECTID: { if( pScan->addrExplain ){ - *(int*)pOut = p->aOp[ pScan->addrExplain ].p1; + *(int*)pOut = aOp[ pScan->addrExplain ].p1; }else{ *(int*)pOut = -1; } @@ -89967,7 +92275,7 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( } case SQLITE_SCANSTAT_PARENTID: { if( pScan->addrExplain ){ - *(int*)pOut = p->aOp[ pScan->addrExplain ].p2; + *(int*)pOut = aOp[ pScan->addrExplain ].p2; }else{ *(int*)pOut = -1; } @@ -89985,18 +92293,18 @@ SQLITE_API int sqlite3_stmt_scanstatus_v2( if( iIns==0 ) break; if( iIns>0 ){ while( iIns<=iEnd ){ - res += p->aOp[iIns].nCycle; + res += aOp[iIns].nCycle; iIns++; } }else{ int iOp; - for(iOp=0; iOpnOp; iOp++){ - Op *pOp = &p->aOp[iOp]; + for(iOp=0; iOpp1!=iEnd ) continue; if( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_NCYCLE)==0 ){ continue; } - res += p->aOp[iOp].nCycle; + res += aOp[iOp].nCycle; } } } @@ -90029,7 +92337,7 @@ SQLITE_API int sqlite3_stmt_scanstatus( SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt *pStmt){ Vdbe *p = (Vdbe*)pStmt; int ii; - for(ii=0; iinOp; ii++){ + for(ii=0; p!=0 && iinOp; ii++){ Op *pOp = &p->aOp[ii]; pOp->nExec = 0; pOp->nCycle = 0; @@ -90368,11 +92676,12 @@ SQLITE_API int sqlite3_found_count = 0; ** sqlite3CantopenError(lineno) */ static void test_trace_breakpoint(int pc, Op *pOp, Vdbe *v){ - static int n = 0; + static u64 n = 0; (void)pc; (void)pOp; (void)v; n++; + if( n==LARGEST_UINT64 ) abort(); /* So that n is used, preventing a warning */ } #endif @@ -90792,6 +93101,9 @@ SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, StrAccum *pStr){ sqlite3_str_appendchar(pStr, 1, (c>=0x20&&c<=0x7f) ? c : '.'); } sqlite3_str_appendf(pStr, "]%s", encnames[pMem->enc]); + if( f & MEM_Term ){ + sqlite3_str_appendf(pStr, "(0-term)"); + } } } #endif @@ -90919,12 +93231,102 @@ static u64 filterHash(const Mem *aMem, const Op *pOp){ }else if( p->flags & MEM_Real ){ h += sqlite3VdbeIntValue(p); }else if( p->flags & (MEM_Str|MEM_Blob) ){ - /* no-op */ + /* All strings have the same hash and all blobs have the same hash, + ** though, at least, those hashes are different from each other and + ** from NULL. */ + h += 4093 + (p->flags & (MEM_Str|MEM_Blob)); } } return h; } + +/* +** For OP_Column, factor out the case where content is loaded from +** overflow pages, so that the code to implement this case is separate +** the common case where all content fits on the page. Factoring out +** the code reduces register pressure and helps the common case +** to run faster. +*/ +static SQLITE_NOINLINE int vdbeColumnFromOverflow( + VdbeCursor *pC, /* The BTree cursor from which we are reading */ + int iCol, /* The column to read */ + int t, /* The serial-type code for the column value */ + i64 iOffset, /* Offset to the start of the content value */ + u32 cacheStatus, /* Current Vdbe.cacheCtr value */ + u32 colCacheCtr, /* Current value of the column cache counter */ + Mem *pDest /* Store the value into this register. */ +){ + int rc; + sqlite3 *db = pDest->db; + int encoding = pDest->enc; + int len = sqlite3VdbeSerialTypeLen(t); + assert( pC->eCurType==CURTYPE_BTREE ); + if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) return SQLITE_TOOBIG; + if( len > 4000 && pC->pKeyInfo==0 ){ + /* Cache large column values that are on overflow pages using + ** an RCStr (reference counted string) so that if they are reloaded, + ** that do not have to be copied a second time. The overhead of + ** creating and managing the cache is such that this is only + ** profitable for larger TEXT and BLOB values. + ** + ** Only do this on table-btrees so that writes to index-btrees do not + ** need to clear the cache. This buys performance in the common case + ** in exchange for generality. + */ + VdbeTxtBlbCache *pCache; + char *pBuf; + if( pC->colCache==0 ){ + pC->pCache = sqlite3DbMallocZero(db, sizeof(VdbeTxtBlbCache) ); + if( pC->pCache==0 ) return SQLITE_NOMEM; + pC->colCache = 1; + } + pCache = pC->pCache; + if( pCache->pCValue==0 + || pCache->iCol!=iCol + || pCache->cacheStatus!=cacheStatus + || pCache->colCacheCtr!=colCacheCtr + || pCache->iOffset!=sqlite3BtreeOffset(pC->uc.pCursor) + ){ + if( pCache->pCValue ) sqlite3RCStrUnref(pCache->pCValue); + pBuf = pCache->pCValue = sqlite3RCStrNew( len+3 ); + if( pBuf==0 ) return SQLITE_NOMEM; + rc = sqlite3BtreePayload(pC->uc.pCursor, iOffset, len, pBuf); + if( rc ) return rc; + pBuf[len] = 0; + pBuf[len+1] = 0; + pBuf[len+2] = 0; + pCache->iCol = iCol; + pCache->cacheStatus = cacheStatus; + pCache->colCacheCtr = colCacheCtr; + pCache->iOffset = sqlite3BtreeOffset(pC->uc.pCursor); + }else{ + pBuf = pCache->pCValue; + } + assert( t>=12 ); + sqlite3RCStrRef(pBuf); + if( t&1 ){ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, encoding, + sqlite3RCStrUnref); + pDest->flags |= MEM_Term; + }else{ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, 0, + sqlite3RCStrUnref); + } + }else{ + rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, iOffset, len, pDest); + if( rc ) return rc; + sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); + if( (t&1)!=0 && encoding==SQLITE_UTF8 ){ + pDest->z[len] = 0; + pDest->flags |= MEM_Term; + } + } + pDest->flags &= ~MEM_Ephem; + return rc; +} + + /* ** Return the symbolic name for the data type of a pMem */ @@ -90967,8 +93369,10 @@ SQLITE_PRIVATE int sqlite3VdbeExec( Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ + u32 colCacheCtr = 0; /* Column cache counter */ #if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) u64 *pnCycle = 0; + int bStmtScanStatus = IS_STMT_SCANSTATUS(db)!=0; #endif /*** INSERT STACK UNION HERE ***/ @@ -91033,13 +93437,17 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( pOp>=aOp && pOp<&aOp[p->nOp]); nVmStep++; -#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + +#if defined(VDBE_PROFILE) pOp->nExec++; pnCycle = &pOp->nCycle; -# ifdef VDBE_PROFILE - if( sqlite3NProfileCnt==0 ) -# endif + if( sqlite3NProfileCnt==0 ) *pnCycle -= sqlite3Hwtime(); +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + if( bStmtScanStatus ){ + pOp->nExec++; + pnCycle = &pOp->nCycle; *pnCycle -= sqlite3Hwtime(); + } #endif /* Only allow tracing if SQLITE_DEBUG is defined. @@ -91157,8 +93565,8 @@ SQLITE_PRIVATE int sqlite3VdbeExec( case OP_Goto: { /* jump */ #ifdef SQLITE_DEBUG - /* In debuggging mode, when the p5 flags is set on an OP_Goto, that - ** means we should really jump back to the preceeding OP_ReleaseReg + /* In debugging mode, when the p5 flags is set on an OP_Goto, that + ** means we should really jump back to the preceding OP_ReleaseReg ** instruction. */ if( pOp->p5 ){ assert( pOp->p2 < (int)(pOp - aOp) ); @@ -91366,7 +93774,7 @@ case OP_HaltIfNull: { /* in3 */ ** P5 is a value between 0 and 4, inclusive, that modifies the P4 string. ** ** 0: (no change) -** 1: NOT NULL contraint failed: P4 +** 1: NOT NULL constraint failed: P4 ** 2: UNIQUE constraint failed: P4 ** 3: CHECK constraint failed: P4 ** 4: FOREIGN KEY constraint failed: P4 @@ -92170,7 +94578,7 @@ case OP_AddImm: { /* in1 */ pIn1 = &aMem[pOp->p1]; memAboutToChange(p, pIn1); sqlite3VdbeMemIntegerify(pIn1); - pIn1->u.i += pOp->p2; + *(u64*)&pIn1->u.i += (u64)pOp->p2; break; } @@ -92497,10 +94905,10 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ ** opcodes are allowed to occur between this instruction and the previous ** OP_Lt or OP_Gt. ** -** If result of an OP_Eq comparison on the same two operands as the -** prior OP_Lt or OP_Gt would have been true, then jump to P2. -** If the result of an OP_Eq comparison on the two previous -** operands would have been false or NULL, then fall through. +** If the result of an OP_Eq comparison on the same two operands as +** the prior OP_Lt or OP_Gt would have been true, then jump to P2. If +** the result of an OP_Eq comparison on the two previous operands +** would have been false or NULL, then fall through. */ case OP_ElseEq: { /* same as TK_ESCAPE, jump */ @@ -92627,7 +95035,7 @@ case OP_Compare: { /* Opcode: Jump P1 P2 P3 * * ** ** Jump to the instruction at address P1, P2, or P3 depending on whether -** in the most recent OP_Compare instruction the P1 vector was less than +** in the most recent OP_Compare instruction the P1 vector was less than, ** equal to, or greater than the P2 vector, respectively. ** ** This opcode must immediately follow an OP_Compare opcode. @@ -92854,6 +95262,12 @@ case OP_IsNull: { /* same as TK_ISNULL, jump, in1 */ ** (0x01) bit. SQLITE_FLOAT is the 0x02 bit. SQLITE_TEXT is 0x04. ** SQLITE_BLOB is 0x08. SQLITE_NULL is 0x10. ** +** WARNING: This opcode does not reliably distinguish between NULL and REAL +** when P1>=0. If the database contains a NaN value, this opcode will think +** that the datatype is REAL when it should be NULL. When P1<0 and the value +** is already stored in register P3, then this opcode does reliably +** distinguish between NULL and REAL. The problem only arises then P1>=0. +** ** Take the jump to address P2 if and only if the datatype of the ** value determined by P1 and P3 corresponds to one of the bits in the ** P5 bitmask. @@ -92924,7 +95338,7 @@ case OP_IsType: { /* jump */ /* Opcode: ZeroOrNull P1 P2 P3 * * ** Synopsis: r[P2] = 0 OR NULL ** -** If all both registers P1 and P3 are NOT NULL, then store a zero in +** If both registers P1 and P3 are NOT NULL, then store a zero in ** register P2. If either registers P1 or P3 are NULL then put ** a NULL in register P2. */ @@ -92967,7 +95381,7 @@ case OP_IfNullRow: { /* jump */ VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; - if( ALWAYS(pC) && pC->nullRow ){ + if( pC && pC->nullRow ){ sqlite3VdbeMemSetNull(aMem + pOp->p3); goto jump_to_p2; } @@ -93278,11 +95692,16 @@ op_column_restart: pDest->flags = aFlag[t&1]; } }else{ + u8 p5; pDest->enc = encoding; + assert( pDest->db==db ); /* This branch happens only when content is on overflow pages */ - if( ((pOp->p5 & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG))!=0 - && ((t>=12 && (t&1)==0) || (pOp->p5 & OPFLAG_TYPEOFARG)!=0)) - || (len = sqlite3VdbeSerialTypeLen(t))==0 + if( ((p5 = (pOp->p5 & OPFLAG_BYTELENARG))!=0 + && (p5==OPFLAG_TYPEOFARG + || (t>=12 && ((t&1)==0 || p5==OPFLAG_BYTELENARG)) + ) + ) + || sqlite3VdbeSerialTypeLen(t)==0 ){ /* Content is irrelevant for ** 1. the typeof() function, @@ -93299,11 +95718,13 @@ op_column_restart: */ sqlite3VdbeSerialGet((u8*)sqlite3CtypeMap, t, pDest); }else{ - if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) goto too_big; - rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, aOffset[p2], len, pDest); - if( rc!=SQLITE_OK ) goto abort_due_to_error; - sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); - pDest->flags &= ~MEM_Ephem; + rc = vdbeColumnFromOverflow(pC, p2, t, aOffset[p2], + p->cacheCtr, colCacheCtr, pDest); + if( rc ){ + if( rc==SQLITE_NOMEM ) goto no_mem; + if( rc==SQLITE_TOOBIG ) goto too_big; + goto abort_due_to_error; + } } } @@ -93462,7 +95883,7 @@ case OP_Affinity: { }else{ pIn1->u.r = (double)pIn1->u.i; pIn1->flags |= MEM_Real; - pIn1->flags &= ~MEM_Int; + pIn1->flags &= ~(MEM_Int|MEM_Str); } } REGISTER_TRACE((int)(pIn1-aMem), pIn1); @@ -93765,7 +96186,6 @@ case OP_MakeRecord: { /* NULL value. No change in zPayload */ }else{ u64 v; - u32 i; if( serial_type==7 ){ assert( sizeof(v)==sizeof(pRec->u.r) ); memcpy(&v, &pRec->u.r, sizeof(v)); @@ -93773,12 +96193,17 @@ case OP_MakeRecord: { }else{ v = pRec->u.i; } - len = i = sqlite3SmallTypeSizes[serial_type]; - assert( i>0 ); - while( 1 /*exit-by-break*/ ){ - zPayload[--i] = (u8)(v&0xFF); - if( i==0 ) break; - v >>= 8; + len = sqlite3SmallTypeSizes[serial_type]; + assert( len>=1 && len<=8 && len!=5 && len!=7 ); + switch( len ){ + default: zPayload[7] = (u8)(v&0xff); v >>= 8; + zPayload[6] = (u8)(v&0xff); v >>= 8; + case 6: zPayload[5] = (u8)(v&0xff); v >>= 8; + zPayload[4] = (u8)(v&0xff); v >>= 8; + case 4: zPayload[3] = (u8)(v&0xff); v >>= 8; + case 3: zPayload[2] = (u8)(v&0xff); v >>= 8; + case 2: zPayload[1] = (u8)(v&0xff); v >>= 8; + case 1: zPayload[0] = (u8)(v&0xff); } zPayload += len; } @@ -94587,7 +97012,7 @@ case OP_OpenEphemeral: { /* ncycle */ } pCx = p->apCsr[pOp->p1]; if( pCx && !pCx->noReuse && ALWAYS(pOp->p2<=pCx->nField) ){ - /* If the ephermeral table is already open and has no duplicates from + /* If the ephemeral table is already open and has no duplicates from ** OP_OpenDup, then erase all existing content so that the table is ** empty again, rather than creating a new table. */ assert( pCx->isEphemeral ); @@ -95078,7 +97503,7 @@ seek_not_found: ** row. If This.P5 is false (0) then a jump is made to SeekGE.P2. If ** This.P5 is true (non-zero) then a jump is made to This.P2. The P5==0 ** case occurs when there are no inequality constraints to the right of -** the IN constraing. The jump to SeekGE.P2 ends the loop. The P5!=0 case +** the IN constraint. The jump to SeekGE.P2 ends the loop. The P5!=0 case ** occurs when there are inequality constraints to the right of the IN ** operator. In that case, the This.P2 will point either directly to or ** to setup code prior to the OP_IdxGT or OP_IdxGE opcode that checks for @@ -95086,7 +97511,7 @@ seek_not_found: ** ** Possible outcomes from this opcode:
      ** -**
    1. If the cursor is initally not pointed to any valid row, then +**
    2. If the cursor is initially not pointed to any valid row, then ** fall through into the subsequent OP_SeekGE opcode. ** **
    3. If the cursor is left pointing to a row that is before the target @@ -95201,6 +97626,7 @@ case OP_SeekScan: { /* ncycle */ break; } nStep--; + pC->cacheStatus = CACHE_STALE; rc = sqlite3BtreeNext(pC->uc.pCursor, 0); if( rc ){ if( rc==SQLITE_DONE ){ @@ -95317,13 +97743,13 @@ case OP_IfNotOpen: { /* jump */ ** operands to OP_NotFound and OP_IdxGT. ** ** This opcode is an optimization attempt only. If this opcode always -** falls through, the correct answer is still obtained, but extra works +** falls through, the correct answer is still obtained, but extra work ** is performed. ** ** A value of N in the seekHit flag of cursor P1 means that there exists ** a key P3:N that will match some record in the index. We want to know ** if it is possible for a record P3:P4 to match some record in the -** index. If it is not possible, we can skips some work. So if seekHit +** index. If it is not possible, we can skip some work. So if seekHit ** is less than P4, attempt to find out if a match is possible by running ** OP_NotFound. ** @@ -95835,6 +98261,7 @@ case OP_Insert: { ); pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; + colCacheCtr++; /* Invoke the update-hook if required. */ if( rc ) goto abort_due_to_error; @@ -95888,13 +98315,18 @@ case OP_RowCell: { ** left in an undefined state. ** ** If the OPFLAG_AUXDELETE bit is set on P5, that indicates that this -** delete one of several associated with deleting a table row and all its -** associated index entries. Exactly one of those deletes is the "primary" -** delete. The others are all on OPFLAG_FORDELETE cursors or else are -** marked with the AUXDELETE flag. +** delete is one of several associated with deleting a table row and +** all its associated index entries. Exactly one of those deletes is +** the "primary" delete. The others are all on OPFLAG_FORDELETE +** cursors or else are marked with the AUXDELETE flag. ** -** If the OPFLAG_NCHANGE flag of P2 (NB: P2 not P5) is set, then the row -** change count is incremented (otherwise not). +** If the OPFLAG_NCHANGE (0x01) flag of P2 (NB: P2 not P5) is set, then +** the row change count is incremented (otherwise not). +** +** If the OPFLAG_ISNOOP (0x40) flag of P2 (not P5!) is set, then the +** pre-update-hook for deletes is run, but the btree is otherwise unchanged. +** This happens when the OP_Delete is to be shortly followed by an OP_Insert +** with the same key, causing the btree entry to be overwritten. ** ** P1 must not be pseudo-table. It has to be a real table with ** multiple rows. @@ -95995,6 +98427,7 @@ case OP_Delete: { rc = sqlite3BtreeDelete(pC->uc.pCursor, pOp->p5); pC->cacheStatus = CACHE_STALE; + colCacheCtr++; pC->seekResult = 0; if( rc ) goto abort_due_to_error; @@ -96062,13 +98495,13 @@ case OP_SorterCompare: { ** Write into register P2 the current sorter data for sorter cursor P1. ** Then clear the column header cache on cursor P3. ** -** This opcode is normally use to move a record out of the sorter and into +** This opcode is normally used to move a record out of the sorter and into ** a register that is the source for a pseudo-table cursor created using ** OpenPseudo. That pseudo-table cursor is the one that is identified by ** parameter P3. Clearing the P3 column cache as part of this opcode saves ** us from having to issue a separate NullRow instruction to clear that cache. */ -case OP_SorterData: { +case OP_SorterData: { /* ncycle */ VdbeCursor *pC; pOut = &aMem[pOp->p2]; @@ -96343,8 +98776,8 @@ case OP_IfSmaller: { /* jump */ ** regression tests can determine whether or not the optimizer is ** correctly optimizing out sorts. */ -case OP_SorterSort: /* jump */ -case OP_Sort: { /* jump */ +case OP_SorterSort: /* jump ncycle */ +case OP_Sort: { /* jump ncycle */ #ifdef SQLITE_TEST sqlite3_sort_count++; sqlite3_search_count--; @@ -96871,7 +99304,7 @@ case OP_IdxGE: { /* jump, ncycle */ ** file is given by P1. ** ** The table being destroyed is in the main database file if P3==0. If -** P3==1 then the table to be clear is in the auxiliary database file +** P3==1 then the table to be destroyed is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If AUTOVACUUM is enabled then it is possible that another root page @@ -96931,8 +99364,8 @@ case OP_Destroy: { /* out2 */ ** in the database file is given by P1. But, unlike Destroy, do not ** remove the table or index from the database file. ** -** The table being clear is in the main database file if P2==0. If -** P2==1 then the table to be clear is in the auxiliary database file +** The table being cleared is in the main database file if P2==0. If +** P2==1 then the table to be cleared is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If the P3 value is non-zero, then the row change count is incremented @@ -97018,13 +99451,41 @@ case OP_CreateBtree: { /* out2 */ /* Opcode: SqlExec * * * P4 * ** ** Run the SQL statement or statements specified in the P4 string. +** Disable Auth and Trace callbacks while those statements are running if +** P1 is true. */ case OP_SqlExec: { + char *zErr; +#ifndef SQLITE_OMIT_AUTHORIZATION + sqlite3_xauth xAuth; +#endif + u8 mTrace; + sqlite3VdbeIncrWriteCounter(p, 0); db->nSqlExec++; - rc = sqlite3_exec(db, pOp->p4.z, 0, 0, 0); + zErr = 0; +#ifndef SQLITE_OMIT_AUTHORIZATION + xAuth = db->xAuth; +#endif + mTrace = db->mTrace; + if( pOp->p1 ){ +#ifndef SQLITE_OMIT_AUTHORIZATION + db->xAuth = 0; +#endif + db->mTrace = 0; + } + rc = sqlite3_exec(db, pOp->p4.z, 0, 0, &zErr); db->nSqlExec--; - if( rc ) goto abort_due_to_error; +#ifndef SQLITE_OMIT_AUTHORIZATION + db->xAuth = xAuth; +#endif + db->mTrace = mTrace; + if( zErr || rc ){ + sqlite3VdbeError(p, "%s", zErr); + sqlite3_free(zErr); + if( rc==SQLITE_NOMEM ) goto no_mem; + goto abort_due_to_error; + } break; } @@ -97758,7 +100219,7 @@ case OP_AggStep1: { /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ if( pCtx->pMem != pMem ){ pCtx->pMem = pMem; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; @@ -97853,6 +100314,7 @@ case OP_AggFinal: { } sqlite3VdbeChangeEncoding(pMem, encoding); UPDATE_MAX_BLOBSIZE(pMem); + REGISTER_TRACE((int)(pMem-aMem), pMem); break; } @@ -98244,6 +100706,52 @@ case OP_VOpen: { /* ncycle */ } #endif /* SQLITE_OMIT_VIRTUALTABLE */ +#ifndef SQLITE_OMIT_VIRTUALTABLE +/* Opcode: VCheck P1 P2 P3 P4 * +** +** P4 is a pointer to a Table object that is a virtual table in schema P1 +** that supports the xIntegrity() method. This opcode runs the xIntegrity() +** method for that virtual table, using P3 as the integer argument. If +** an error is reported back, the table name is prepended to the error +** message and that message is stored in P2. If no errors are seen, +** register P2 is set to NULL. +*/ +case OP_VCheck: { /* out2 */ + Table *pTab; + sqlite3_vtab *pVtab; + const sqlite3_module *pModule; + char *zErr = 0; + + pOut = &aMem[pOp->p2]; + sqlite3VdbeMemSetNull(pOut); /* Innocent until proven guilty */ + assert( pOp->p4type==P4_TABLEREF ); + pTab = pOp->p4.pTab; + assert( pTab!=0 ); + assert( pTab->nTabRef>0 ); + assert( IsVirtual(pTab) ); + if( pTab->u.vtab.p==0 ) break; + pVtab = pTab->u.vtab.p->pVtab; + assert( pVtab!=0 ); + pModule = pVtab->pModule; + assert( pModule!=0 ); + assert( pModule->iVersion>=4 ); + assert( pModule->xIntegrity!=0 ); + sqlite3VtabLock(pTab->u.vtab.p); + assert( pOp->p1>=0 && pOp->p1nDb ); + rc = pModule->xIntegrity(pVtab, db->aDb[pOp->p1].zDbSName, pTab->zName, + pOp->p3, &zErr); + sqlite3VtabUnlock(pTab->u.vtab.p); + if( rc ){ + sqlite3_free(zErr); + goto abort_due_to_error; + } + if( zErr ){ + sqlite3VdbeMemSetStr(pOut, zErr, -1, SQLITE_UTF8, sqlite3_free); + } + break; +} +#endif /* SQLITE_OMIT_VIRTUALTABLE */ + #ifndef SQLITE_OMIT_VIRTUALTABLE /* Opcode: VInitIn P1 P2 P3 * * ** Synopsis: r[P2]=ValueList(P1,P3) @@ -98357,6 +100865,7 @@ case OP_VColumn: { /* ncycle */ const sqlite3_module *pModule; Mem *pDest; sqlite3_context sContext; + FuncDef nullFunc; VdbeCursor *pCur = p->apCsr[pOp->p1]; assert( pCur!=0 ); @@ -98374,6 +100883,9 @@ case OP_VColumn: { /* ncycle */ memset(&sContext, 0, sizeof(sContext)); sContext.pOut = pDest; sContext.enc = encoding; + nullFunc.pUserData = 0; + nullFunc.funcFlags = SQLITE_RESULT_SUBTYPE; + sContext.pFunc = &nullFunc; assert( pOp->p5==OPFLAG_NOCHNG || pOp->p5==0 ); if( pOp->p5 & OPFLAG_NOCHNG ){ sqlite3VdbeMemSetNull(pDest); @@ -98635,7 +101147,7 @@ case OP_MaxPgcnt: { /* out2 */ ** This opcode works exactly like OP_Function. The only difference is in ** its name. This opcode is used in places where the function must be ** purely non-deterministic. Some built-in date/time functions can be -** either determinitic of non-deterministic, depending on their arguments. +** either deterministic of non-deterministic, depending on their arguments. ** When those function are used in a non-deterministic way, they will check ** to see if they were called using OP_PureFunc instead of OP_Function, and ** if they were, they throw an error. @@ -98653,7 +101165,7 @@ case OP_Function: { /* group */ /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ pCtx->pVdbe = p; @@ -98706,6 +101218,42 @@ case OP_ClrSubtype: { /* in1 */ break; } +/* Opcode: GetSubtype P1 P2 * * * +** Synopsis: r[P2] = r[P1].subtype +** +** Extract the subtype value from register P1 and write that subtype +** into register P2. If P1 has no subtype, then P1 gets a NULL. +*/ +case OP_GetSubtype: { /* in1 out2 */ + pIn1 = &aMem[pOp->p1]; + pOut = &aMem[pOp->p2]; + if( pIn1->flags & MEM_Subtype ){ + sqlite3VdbeMemSetInt64(pOut, pIn1->eSubtype); + }else{ + sqlite3VdbeMemSetNull(pOut); + } + break; +} + +/* Opcode: SetSubtype P1 P2 * * * +** Synopsis: r[P2].subtype = r[P1] +** +** Set the subtype value of register P2 to the integer from register P1. +** If P1 is NULL, clear the subtype from p2. +*/ +case OP_SetSubtype: { /* in1 out2 */ + pIn1 = &aMem[pOp->p1]; + pOut = &aMem[pOp->p2]; + if( pIn1->flags & MEM_Null ){ + pOut->flags &= ~MEM_Subtype; + }else{ + assert( pIn1->flags & MEM_Int ); + pOut->flags |= MEM_Subtype; + pOut->eSubtype = (u8)(pIn1->u.i & 0xff); + } + break; +} + /* Opcode: FilterAdd P1 * P3 P4 * ** Synopsis: filter(P1) += key(P3@P4) ** @@ -98729,7 +101277,7 @@ case OP_FilterAdd: { printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); } #endif - h %= pIn1->n; + h %= (pIn1->n*8); pIn1->z[h/8] |= 1<<(h&7); break; } @@ -98765,7 +101313,7 @@ case OP_Filter: { /* jump */ printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); } #endif - h %= pIn1->n; + h %= (pIn1->n*8); if( (pIn1->z[h/8] & (1<<(h&7)))==0 ){ VdbeBranchTaken(1, 2); p->aCounter[SQLITE_STMTSTATUS_FILTER_HIT]++; @@ -98991,8 +101539,10 @@ default: { /* This is really OP_Noop, OP_Explain */ *pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); pnCycle = 0; #elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) - *pnCycle += sqlite3Hwtime(); - pnCycle = 0; + if( pnCycle ){ + *pnCycle += sqlite3Hwtime(); + pnCycle = 0; + } #endif /* The following code adds nothing to the actual functionality @@ -99015,7 +101565,7 @@ default: { /* This is really OP_Noop, OP_Explain */ } if( opProperty==0xff ){ /* Never happens. This code exists to avoid a harmless linkage - ** warning aboud sqlite3VdbeRegisterDump() being defined but not + ** warning about sqlite3VdbeRegisterDump() being defined but not ** used. */ sqlite3VdbeRegisterDump(p); } @@ -99188,8 +101738,7 @@ static int blobSeekToRow(Incrblob *p, sqlite3_int64 iRow, char **pzErr){ /* Set the value of register r[1] in the SQL statement to integer iRow. ** This is done directly as a performance optimization */ - v->aMem[1].flags = MEM_Int; - v->aMem[1].u.i = iRow; + sqlite3VdbeMemSetInt64(&v->aMem[1], iRow); /* If the statement has been run before (and is paused at the OP_ResultRow) ** then back it up to the point where it does the OP_NotExists. This could @@ -99272,7 +101821,7 @@ SQLITE_API int sqlite3_blob_open( #endif *ppBlob = 0; #ifdef SQLITE_ENABLE_API_ARMOR - if( !sqlite3SafetyCheckOk(db) || zTable==0 ){ + if( !sqlite3SafetyCheckOk(db) || zTable==0 || zColumn==0 ){ return SQLITE_MISUSE_BKPT; } #endif @@ -99471,7 +102020,7 @@ blob_open_out: if( pBlob && pBlob->pStmt ) sqlite3VdbeFinalize((Vdbe *)pBlob->pStmt); sqlite3DbFree(db, pBlob); } - sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : 0), zErr); + sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : (char*)0), zErr); sqlite3DbFree(db, zErr); sqlite3ParseObjectReset(&sParse); rc = sqlite3ApiExit(db, rc); @@ -99630,7 +102179,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ((Vdbe*)p->pStmt)->rc = SQLITE_OK; rc = blobSeekToRow(p, iRow, &zErr); if( rc!=SQLITE_OK ){ - sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : 0), zErr); + sqlite3ErrorWithMsg(db, rc, (zErr ? "%s" : (char*)0), zErr); sqlite3DbFree(db, zErr); } assert( rc!=SQLITE_SCHEMA ); @@ -99733,7 +102282,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** The threshold for the amount of main memory to use before flushing ** records to a PMA is roughly the same as the limit configured for the ** page-cache of the main database. Specifically, the threshold is set to -** the value returned by "PRAGMA main.page_size" multipled by +** the value returned by "PRAGMA main.page_size" multiplied by ** that returned by "PRAGMA main.cache_size", in bytes. ** ** If the sorter is running in single-threaded mode, then all PMAs generated @@ -99756,7 +102305,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** ** If there are fewer than SORTER_MAX_MERGE_COUNT PMAs in total and the ** sorter is running in single-threaded mode, then these PMAs are merged -** incrementally as keys are retreived from the sorter by the VDBE. The +** incrementally as keys are retrieved from the sorter by the VDBE. The ** MergeEngine object, described in further detail below, performs this ** merge. ** @@ -99834,7 +102383,7 @@ struct SorterFile { struct SorterList { SorterRecord *pList; /* Linked list of records */ u8 *aMemory; /* If non-NULL, bulk memory to hold pList */ - int szPMA; /* Size of pList as PMA in bytes */ + i64 szPMA; /* Size of pList as PMA in bytes */ }; /* @@ -99919,7 +102468,7 @@ struct MergeEngine { ** ** Essentially, this structure contains all those fields of the VdbeSorter ** structure for which each thread requires a separate instance. For example, -** each thread requries its own UnpackedRecord object to unpack records in +** each thread requeries its own UnpackedRecord object to unpack records in ** as part of comparison operations. ** ** Before a background thread is launched, variable bDone is set to 0. Then, @@ -99943,10 +102492,10 @@ typedef int (*SorterCompare)(SortSubtask*,int*,const void*,int,const void*,int); struct SortSubtask { SQLiteThread *pThread; /* Background thread, if any */ int bDone; /* Set if thread is finished but not joined */ + int nPMA; /* Number of PMAs currently in file */ VdbeSorter *pSorter; /* Sorter that owns this sub-task */ UnpackedRecord *pUnpacked; /* Space to unpack a record */ SorterList list; /* List for thread to write to a PMA */ - int nPMA; /* Number of PMAs currently in file */ SorterCompare xCompare; /* Compare function to use */ SorterFile file; /* Temp file for level-0 PMAs */ SorterFile file2; /* Space for other PMAs */ @@ -99991,7 +102540,7 @@ struct VdbeSorter { ** PMA, in sorted order. The next key to be read is cached in nKey/aKey. ** aKey might point into aMap or into aBuffer. If neither of those locations ** contain a contiguous representation of the key, then aAlloc is allocated -** and the key is copied into aAlloc and aKey is made to poitn to aAlloc. +** and the key is copied into aAlloc and aKey is made to point to aAlloc. ** ** pFd==0 at EOF. */ @@ -101362,7 +103911,7 @@ static int vdbeSorterFlushPMA(VdbeSorter *pSorter){ ** the background thread from a sub-tasks previous turn is still running, ** skip it. If the first (pSorter->nTask-1) sub-tasks are all still busy, ** fall back to using the final sub-task. The first (pSorter->nTask-1) - ** sub-tasks are prefered as they use background threads - the final + ** sub-tasks are preferred as they use background threads - the final ** sub-task uses the main thread. */ for(i=0; iiPrev + i + 1) % nWorker; @@ -101420,8 +103969,8 @@ SQLITE_PRIVATE int sqlite3VdbeSorterWrite( int rc = SQLITE_OK; /* Return Code */ SorterRecord *pNew; /* New list element */ int bFlush; /* True to flush contents of memory to PMA */ - int nReq; /* Bytes of memory required */ - int nPMA; /* Bytes of PMA space required */ + i64 nReq; /* Bytes of memory required */ + i64 nPMA; /* Bytes of PMA space required */ int t; /* serial type of first record field */ assert( pCsr->eCurType==CURTYPE_SORTER ); @@ -101846,7 +104395,7 @@ static int vdbePmaReaderIncrMergeInit(PmaReader *pReadr, int eMode){ rc = vdbeMergeEngineInit(pTask, pIncr->pMerger, eMode); - /* Set up the required files for pIncr. A multi-theaded IncrMerge object + /* Set up the required files for pIncr. A multi-threaded IncrMerge object ** requires two temp files to itself, whereas a single-threaded object ** only requires a region of pTask->file2. */ if( rc==SQLITE_OK ){ @@ -102486,6 +105035,8 @@ static int bytecodevtabConnect( "p5 INT," "comment TEXT," "subprog TEXT," + "nexec INT," + "ncycle INT," "stmt HIDDEN" ");", @@ -102648,7 +105199,7 @@ static int bytecodevtabColumn( } } } - i += 10; + i += 20; } } switch( i ){ @@ -102698,16 +105249,31 @@ static int bytecodevtabColumn( } break; } - case 10: /* tables_used.type */ + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + case 9: /* nexec */ + sqlite3_result_int(ctx, pOp->nExec); + break; + case 10: /* ncycle */ + sqlite3_result_int(ctx, pOp->nCycle); + break; +#else + case 9: /* nexec */ + case 10: /* ncycle */ + sqlite3_result_int(ctx, 0); + break; +#endif + + case 20: /* tables_used.type */ sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC); break; - case 11: /* tables_used.schema */ + case 21: /* tables_used.schema */ sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC); break; - case 12: /* tables_used.name */ + case 22: /* tables_used.name */ sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC); break; - case 13: /* tables_used.wr */ + case 23: /* tables_used.wr */ sqlite3_result_int(ctx, pOp->opcode==OP_OpenWrite); break; } @@ -102781,7 +105347,7 @@ static int bytecodevtabBestIndex( int rc = SQLITE_CONSTRAINT; struct sqlite3_index_constraint *p; bytecodevtab *pVTab = (bytecodevtab*)tab; - int iBaseCol = pVTab->bTablesUsed ? 4 : 8; + int iBaseCol = pVTab->bTablesUsed ? 4 : 10; pIdxInfo->estimatedCost = (double)100; pIdxInfo->estimatedRows = 100; pIdxInfo->idxNum = 0; @@ -102828,7 +105394,8 @@ static sqlite3_module bytecodevtabModule = { /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ 0, - /* xShadowName */ 0 + /* xShadowName */ 0, + /* xIntegrity */ 0 }; @@ -103352,7 +105919,7 @@ static int walkWindowList(Walker *pWalker, Window *pList, int bOneOnly){ ** The return value from this routine is WRC_Abort to abandon the tree walk ** and WRC_Continue to continue. */ -static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ +SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3WalkExprNN(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); @@ -103361,7 +105928,9 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ if( rc ) return rc & WRC_Abort; if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ assert( pExpr->x.pList==0 || pExpr->pRight==0 ); - if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; + if( pExpr->pLeft && sqlite3WalkExprNN(pWalker, pExpr->pLeft) ){ + return WRC_Abort; + } if( pExpr->pRight ){ assert( !ExprHasProperty(pExpr, EP_WinFunc) ); pExpr = pExpr->pRight; @@ -103385,7 +105954,7 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ - return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; + return pExpr ? sqlite3WalkExprNN(pWalker,pExpr) : WRC_Continue; } /* @@ -103511,7 +106080,7 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ } /* Increase the walkerDepth when entering a subquery, and -** descrease when leaving the subquery. +** decrease when leaving the subquery. */ SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){ UNUSED_PARAMETER(pSelect); @@ -103655,21 +106224,36 @@ static void resolveAlias( } /* -** Subqueries stores the original database, table and column names for their -** result sets in ExprList.a[].zSpan, in the form "DATABASE.TABLE.COLUMN". -** Check to see if the zSpan given to this routine matches the zDb, zTab, -** and zCol. If any of zDb, zTab, and zCol are NULL then those fields will -** match anything. +** Subqueries store the original database, table and column names for their +** result sets in ExprList.a[].zSpan, in the form "DATABASE.TABLE.COLUMN", +** and mark the expression-list item by setting ExprList.a[].fg.eEName +** to ENAME_TAB. +** +** Check to see if the zSpan/eEName of the expression-list item passed to this +** routine matches the zDb, zTab, and zCol. If any of zDb, zTab, and zCol are +** NULL then those fields will match anything. Return true if there is a match, +** or false otherwise. +** +** SF_NestedFrom subqueries also store an entry for the implicit rowid (or +** _rowid_, or oid) column by setting ExprList.a[].fg.eEName to ENAME_ROWID, +** and setting zSpan to "DATABASE.TABLE.". This type of pItem +** argument matches if zCol is a rowid alias. If it is not NULL, (*pbRowid) +** is set to 1 if there is this kind of match. */ SQLITE_PRIVATE int sqlite3MatchEName( const struct ExprList_item *pItem, const char *zCol, const char *zTab, - const char *zDb + const char *zDb, + int *pbRowid ){ int n; const char *zSpan; - if( pItem->fg.eEName!=ENAME_TAB ) return 0; + int eEName = pItem->fg.eEName; + if( eEName!=ENAME_TAB && (eEName!=ENAME_ROWID || NEVER(pbRowid==0)) ){ + return 0; + } + assert( pbRowid==0 || *pbRowid==0 ); zSpan = pItem->zEName; for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){} if( zDb && (sqlite3StrNICmp(zSpan, zDb, n)!=0 || zDb[n]!=0) ){ @@ -103681,9 +106265,11 @@ SQLITE_PRIVATE int sqlite3MatchEName( return 0; } zSpan += n+1; - if( zCol && sqlite3StrICmp(zSpan, zCol)!=0 ){ - return 0; + if( zCol ){ + if( eEName==ENAME_TAB && sqlite3StrICmp(zSpan, zCol)!=0 ) return 0; + if( eEName==ENAME_ROWID && sqlite3IsRowid(zCol)==0 ) return 0; } + if( eEName==ENAME_ROWID ) *pbRowid = 1; return 1; } @@ -103716,6 +106302,7 @@ SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr *pExpr){ assert( ExprUseYTab(pExpr) ); pExTab = pExpr->y.pTab; assert( pExTab!=0 ); + assert( n < pExTab->nCol ); if( (pExTab->tabFlags & TF_HasGenerated)!=0 && (pExTab->aCol[n].colFlags & COLFLAG_GENERATED)!=0 ){ @@ -103816,7 +106403,7 @@ static int lookupName( ){ int i, j; /* Loop counters */ int cnt = 0; /* Number of matching column names */ - int cntTab = 0; /* Number of matching table names */ + int cntTab = 0; /* Number of potential "rowid" matches */ int nSubquery = 0; /* How many levels of subquery */ sqlite3 *db = pParse->db; /* The database connection */ SrcItem *pItem; /* Use for looping over pSrcList items */ @@ -103893,39 +106480,49 @@ static int lookupName( assert( pEList!=0 ); assert( pEList->nExpr==pTab->nCol ); for(j=0; jnExpr; j++){ - if( !sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb) ){ + int bRowid = 0; /* True if possible rowid match */ + if( !sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb, &bRowid) ){ continue; } - if( cnt>0 ){ - if( pItem->fg.isUsing==0 - || sqlite3IdListIndex(pItem->u3.pUsing, zCol)<0 - ){ - /* Two or more tables have the same column name which is - ** not joined by USING. This is an error. Signal as much - ** by clearing pFJMatch and letting cnt go above 1. */ - sqlite3ExprListDelete(db, pFJMatch); - pFJMatch = 0; - }else - if( (pItem->fg.jointype & JT_RIGHT)==0 ){ - /* An INNER or LEFT JOIN. Use the left-most table */ - continue; - }else - if( (pItem->fg.jointype & JT_LEFT)==0 ){ - /* A RIGHT JOIN. Use the right-most table */ - cnt = 0; - sqlite3ExprListDelete(db, pFJMatch); - pFJMatch = 0; - }else{ - /* For a FULL JOIN, we must construct a coalesce() func */ - extendFJMatch(pParse, &pFJMatch, pMatch, pExpr->iColumn); + if( bRowid==0 ){ + if( cnt>0 ){ + if( pItem->fg.isUsing==0 + || sqlite3IdListIndex(pItem->u3.pUsing, zCol)<0 + ){ + /* Two or more tables have the same column name which is + ** not joined by USING. This is an error. Signal as much + ** by clearing pFJMatch and letting cnt go above 1. */ + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else + if( (pItem->fg.jointype & JT_RIGHT)==0 ){ + /* An INNER or LEFT JOIN. Use the left-most table */ + continue; + }else + if( (pItem->fg.jointype & JT_LEFT)==0 ){ + /* A RIGHT JOIN. Use the right-most table */ + cnt = 0; + sqlite3ExprListDelete(db, pFJMatch); + pFJMatch = 0; + }else{ + /* For a FULL JOIN, we must construct a coalesce() func */ + extendFJMatch(pParse, &pFJMatch, pMatch, pExpr->iColumn); + } } + cnt++; + hit = 1; + }else if( cnt>0 ){ + /* This is a potential rowid match, but there has already been + ** a real match found. So this can be ignored. */ + continue; } - cnt++; - cntTab = 2; + cntTab++; pMatch = pItem; pExpr->iColumn = j; pEList->a[j].fg.bUsed = 1; - hit = 1; + + /* rowid cannot be part of a USING clause - assert() this. */ + assert( bRowid==0 || pEList->a[j].fg.bUsingTerm==0 ); if( pEList->a[j].fg.bUsingTerm ) break; } if( hit || zTab==0 ) continue; @@ -104018,7 +106615,8 @@ static int lookupName( assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT ); if( pParse->bReturning ){ if( (pNC->ncFlags & NC_UBaseReg)!=0 - && (zTab==0 || sqlite3StrICmp(zTab,pParse->pTriggerTab->zName)==0) + && ALWAYS(zTab==0 + || sqlite3StrICmp(zTab,pParse->pTriggerTab->zName)==0) ){ pExpr->iTable = op!=TK_DELETE; pTab = pParse->pTriggerTab; @@ -104119,10 +106717,10 @@ static int lookupName( && pMatch && (pNC->ncFlags & (NC_IdxExpr|NC_GenCol))==0 && sqlite3IsRowid(zCol) - && ALWAYS(VisibleRowid(pMatch->pTab)) + && ALWAYS(VisibleRowid(pMatch->pTab) || pMatch->fg.isNestedFrom) ){ cnt = 1; - pExpr->iColumn = -1; + if( pMatch->fg.isNestedFrom==0 ) pExpr->iColumn = -1; pExpr->affExpr = SQLITE_AFF_INTEGER; } @@ -104281,6 +106879,7 @@ static int lookupName( sqlite3RecordErrorOffsetOfExpr(pParse->db, pExpr); pParse->checkSchema = 1; pTopNC->nNcErr++; + eNewExprOp = TK_NULL; } assert( pFJMatch==0 ); @@ -104307,7 +106906,7 @@ static int lookupName( ** If a generated column is referenced, set bits for every column ** of the table. */ - if( pExpr->iColumn>=0 && pMatch!=0 ){ + if( pExpr->iColumn>=0 && cnt==1 && pMatch!=0 ){ pMatch->colUsed |= sqlite3ExprColUsed(pExpr); } @@ -104575,6 +107174,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ Window *pWin = (IsWindowFunc(pExpr) ? pExpr->y.pWin : 0); #endif assert( !ExprHasProperty(pExpr, EP_xIsSelect|EP_IntValue) ); + assert( pExpr->pLeft==0 || pExpr->pLeft->op==TK_ORDER ); zId = pExpr->u.zToken; pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0); if( pDef==0 ){ @@ -104716,6 +107316,10 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ pNC->nNcErr++; } #endif + else if( is_agg==0 && pExpr->pLeft ){ + sqlite3ExprOrderByAggregateError(pParse, pExpr); + pNC->nNcErr++; + } if( is_agg ){ /* Window functions may not be arguments of aggregate functions. ** Or arguments of other window functions. But aggregate functions @@ -104734,6 +107338,11 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ #endif sqlite3WalkExprList(pWalker, pList); if( is_agg ){ + if( pExpr->pLeft ){ + assert( pExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pExpr->pLeft) ); + sqlite3WalkExprList(pWalker, pExpr->pLeft->x.pList); + } #ifndef SQLITE_OMIT_WINDOWFUNC if( pWin ){ Select *pSel = pNC->pWinSelect; @@ -104762,11 +107371,12 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ while( pNC2 && sqlite3ReferencesSrcList(pParse, pExpr, pNC2->pSrcList)==0 ){ - pExpr->op2++; + pExpr->op2 += (1 + pNC2->nNestedSelect); pNC2 = pNC2->pNext; } assert( pDef!=0 || IN_RENAME_OBJECT ); if( pNC2 && pDef ){ + pExpr->op2 += pNC2->nNestedSelect; assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg ); assert( SQLITE_FUNC_ANYORDER==NC_OrderAgg ); testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 ); @@ -105244,7 +107854,7 @@ static int resolveOrderGroupBy( } for(j=0; jpEList->nExpr; j++){ if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ - /* Since this expresion is being changed into a reference + /* Since this expression is being changed into a reference ** to an identical expression in the result set, remove all Window ** objects belonging to the expression from the Select.pWin list. */ windowRemoveExprFromSelect(pSelect, pE); @@ -105297,10 +107907,8 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ while( p ){ assert( (p->selFlags & SF_Expanded)!=0 ); assert( (p->selFlags & SF_Resolved)==0 ); - assert( db->suppressErr==0 ); /* SF_Resolved not set if errors suppressed */ p->selFlags |= SF_Resolved; - /* Resolve the expressions in the LIMIT and OFFSET clauses. These ** are not allowed to refer to any names, so pass an empty NameContext. */ @@ -105327,6 +107935,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ /* Recursively resolve names in all subqueries in the FROM clause */ + if( pOuterNC ) pOuterNC->nNestedSelect++; for(i=0; ipSrc->nSrc; i++){ SrcItem *pItem = &p->pSrc->a[i]; if( pItem->pSelect && (pItem->pSelect->selFlags & SF_Resolved)==0 ){ @@ -105351,6 +107960,9 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ } } } + if( pOuterNC && ALWAYS(pOuterNC->nNestedSelect>0) ){ + pOuterNC->nNestedSelect--; + } /* Set up the local name-context to pass to sqlite3ResolveExprNames() to ** resolve the result-set expression list. @@ -105567,7 +108179,8 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( return SQLITE_ERROR; } #endif - sqlite3WalkExpr(&w, pExpr); + assert( pExpr!=0 ); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -105609,7 +108222,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( return WRC_Abort; } #endif - sqlite3WalkExpr(&w, pExpr); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -105631,7 +108244,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( /* ** Resolve all names in all expressions of a SELECT and in all -** decendents of the SELECT, including compounds off of p->pPrior, +** descendants of the SELECT, including compounds off of p->pPrior, ** subqueries in expressions, and subqueries used as FROM clause ** terms. ** @@ -105781,6 +108394,7 @@ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ if( op==TK_SELECT_COLUMN ){ assert( pExpr->pLeft!=0 && ExprUseXSelect(pExpr->pLeft) ); assert( pExpr->iColumn < pExpr->iTable ); + assert( pExpr->iColumn >= 0 ); assert( pExpr->iTable==pExpr->pLeft->x.pSelect->pEList->nExpr ); return sqlite3ExprAffinity( pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr @@ -105992,11 +108606,10 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ }else{ Expr *pNext = p->pRight; /* The Expr.x union is never used at the same time as Expr.pRight */ - assert( ExprUseXList(p) ); - assert( p->x.pList==0 || p->pRight==0 ); - if( p->x.pList!=0 && !db->mallocFailed ){ + assert( !ExprUseXList(p) || p->x.pList==0 || p->pRight==0 ); + if( ExprUseXList(p) && p->x.pList!=0 && !db->mallocFailed ){ int i; - for(i=0; ALWAYS(ix.pList->nExpr); i++){ + for(i=0; ix.pList->nExpr; i++){ if( ExprHasProperty(p->x.pList->a[i].pExpr, EP_Collate) ){ pNext = p->x.pList->a[i].pExpr; break; @@ -106018,7 +108631,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ /* ** Return the collation sequence for the expression pExpr. If ** there is no defined collating sequence, return a pointer to the -** defautl collation sequence. +** default collation sequence. ** ** See also: sqlite3ExprCollSeq() ** @@ -106148,7 +108761,7 @@ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( return pColl; } -/* Expresssion p is a comparison operator. Return a collation sequence +/* Expression p is a comparison operator. Return a collation sequence ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). @@ -106305,6 +108918,7 @@ SQLITE_PRIVATE Expr *sqlite3ExprForVectorField( */ pRet = sqlite3PExpr(pParse, TK_SELECT_COLUMN, 0, 0); if( pRet ){ + ExprSetProperty(pRet, EP_FullSize); pRet->iTable = nField; pRet->iColumn = iField; pRet->pLeft = pVector; @@ -106604,6 +109218,15 @@ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ #define exprSetHeight(y) #endif /* SQLITE_MAX_EXPR_DEPTH>0 */ +/* +** Set the error offset for an Expr node, if possible. +*/ +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr *pExpr, int iOfst){ + if( pExpr==0 ) return; + if( NEVER(ExprUseWJoin(pExpr)) ) return; + pExpr->w.iOfst = iOfst; +} + /* ** This routine is the core allocator for Expr nodes. ** @@ -106828,9 +109451,9 @@ SQLITE_PRIVATE Select *sqlite3ExprListToValues(Parse *pParse, int nElem, ExprLis ** Join two expressions using an AND operator. If either expression is ** NULL, then just return the other expression. ** -** If one side or the other of the AND is known to be false, then instead -** of returning an AND expression, just return a constant expression with -** a value of false. +** If one side or the other of the AND is known to be false, and neither side +** is part of an ON clause, then instead of returning an AND expression, +** just return a constant expression with a value of false. */ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ sqlite3 *db = pParse->db; @@ -106838,14 +109461,17 @@ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ return pRight; }else if( pRight==0 ){ return pLeft; - }else if( (ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight)) - && !IN_RENAME_OBJECT - ){ - sqlite3ExprDeferredDelete(pParse, pLeft); - sqlite3ExprDeferredDelete(pParse, pRight); - return sqlite3Expr(db, TK_INTEGER, "0"); }else{ - return sqlite3PExpr(pParse, TK_AND, pLeft, pRight); + u32 f = pLeft->flags | pRight->flags; + if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse))==EP_IsFalse + && !IN_RENAME_OBJECT + ){ + sqlite3ExprDeferredDelete(pParse, pLeft); + sqlite3ExprDeferredDelete(pParse, pRight); + return sqlite3Expr(db, TK_INTEGER, "0"); + }else{ + return sqlite3PExpr(pParse, TK_AND, pLeft, pRight); + } } } @@ -106883,6 +109509,67 @@ SQLITE_PRIVATE Expr *sqlite3ExprFunction( return pNew; } +/* +** Report an error when attempting to use an ORDER BY clause within +** the arguments of a non-aggregate function. +*/ +SQLITE_PRIVATE void sqlite3ExprOrderByAggregateError(Parse *pParse, Expr *p){ + sqlite3ErrorMsg(pParse, + "ORDER BY may not be used with non-aggregate %#T()", p + ); +} + +/* +** Attach an ORDER BY clause to a function call. +** +** functionname( arguments ORDER BY sortlist ) +** \_____________________/ \______/ +** pExpr pOrderBy +** +** The ORDER BY clause is inserted into a new Expr node of type TK_ORDER +** and added to the Expr.pLeft field of the parent TK_FUNCTION node. +*/ +SQLITE_PRIVATE void sqlite3ExprAddFunctionOrderBy( + Parse *pParse, /* Parsing context */ + Expr *pExpr, /* The function call to which ORDER BY is to be added */ + ExprList *pOrderBy /* The ORDER BY clause to add */ +){ + Expr *pOB; + sqlite3 *db = pParse->db; + if( NEVER(pOrderBy==0) ){ + assert( db->mallocFailed ); + return; + } + if( pExpr==0 ){ + assert( db->mallocFailed ); + sqlite3ExprListDelete(db, pOrderBy); + return; + } + assert( pExpr->op==TK_FUNCTION ); + assert( pExpr->pLeft==0 ); + assert( ExprUseXList(pExpr) ); + if( pExpr->x.pList==0 || NEVER(pExpr->x.pList->nExpr==0) ){ + /* Ignore ORDER BY on zero-argument aggregates */ + sqlite3ParserAddCleanup(pParse, sqlite3ExprListDeleteGeneric, pOrderBy); + return; + } + if( IsWindowFunc(pExpr) ){ + sqlite3ExprOrderByAggregateError(pParse, pExpr); + sqlite3ExprListDelete(db, pOrderBy); + return; + } + + pOB = sqlite3ExprAlloc(db, TK_ORDER, 0, 0); + if( pOB==0 ){ + sqlite3ExprListDelete(db, pOrderBy); + return; + } + pOB->x.pList = pOrderBy; + assert( ExprUseXList(pOB) ); + pExpr->pLeft = pOB; + ExprSetProperty(pOB, EP_FullSize); +} + /* ** Check to see if a function is usable according to current access ** rules: @@ -107044,6 +109731,9 @@ static SQLITE_NOINLINE void sqlite3ExprDeleteNN(sqlite3 *db, Expr *p){ SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3 *db, Expr *p){ if( p ) sqlite3ExprDeleteNN(db, p); } +SQLITE_PRIVATE void sqlite3ExprDeleteGeneric(sqlite3 *db, void *p){ + if( ALWAYS(p) ) sqlite3ExprDeleteNN(db, (Expr*)p); +} /* ** Clear both elements of an OnOrUsing object @@ -107061,7 +109751,7 @@ SQLITE_PRIVATE void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){ /* ** Arrange to cause pExpr to be deleted when the pParse is deleted. ** This is similar to sqlite3ExprDelete() except that the delete is -** deferred untilthe pParse is deleted. +** deferred until the pParse is deleted. ** ** The pExpr might be deleted immediately on an OOM error. ** @@ -107069,9 +109759,7 @@ SQLITE_PRIVATE void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){ ** pExpr to the pParse->pConstExpr list with a register number of 0. */ SQLITE_PRIVATE void sqlite3ExprDeferredDelete(Parse *pParse, Expr *pExpr){ - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3ExprDelete, - pExpr); + sqlite3ParserAddCleanup(pParse, sqlite3ExprDeleteGeneric, pExpr); } /* Invoke sqlite3RenameExprUnmap() and sqlite3ExprDelete() on the @@ -107136,11 +109824,7 @@ static int dupedExprStructSize(const Expr *p, int flags){ assert( flags==EXPRDUP_REDUCE || flags==0 ); /* Only one flag value allowed */ assert( EXPR_FULLSIZE<=0xfff ); assert( (0xfff & (EP_Reduced|EP_TokenOnly))==0 ); - if( 0==flags || p->op==TK_SELECT_COLUMN -#ifndef SQLITE_OMIT_WINDOWFUNC - || ExprHasProperty(p, EP_WinFunc) -#endif - ){ + if( 0==flags || ExprHasProperty(p, EP_FullSize) ){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); @@ -107171,56 +109855,93 @@ static int dupedExprNodeSize(const Expr *p, int flags){ /* ** Return the number of bytes required to create a duplicate of the -** expression passed as the first argument. The second argument is a -** mask containing EXPRDUP_XXX flags. +** expression passed as the first argument. ** ** The value returned includes space to create a copy of the Expr struct ** itself and the buffer referred to by Expr.u.zToken, if any. ** -** If the EXPRDUP_REDUCE flag is set, then the return value includes -** space to duplicate all Expr nodes in the tree formed by Expr.pLeft -** and Expr.pRight variables (but not for any structures pointed to or -** descended from the Expr.x.pList or Expr.x.pSelect variables). +** The return value includes space to duplicate all Expr nodes in the +** tree formed by Expr.pLeft and Expr.pRight, but not any other +** substructure such as Expr.x.pList, Expr.x.pSelect, and Expr.y.pWin. */ -static int dupedExprSize(const Expr *p, int flags){ - int nByte = 0; - if( p ){ - nByte = dupedExprNodeSize(p, flags); - if( flags&EXPRDUP_REDUCE ){ - nByte += dupedExprSize(p->pLeft, flags) + dupedExprSize(p->pRight, flags); - } - } +static int dupedExprSize(const Expr *p){ + int nByte; + assert( p!=0 ); + nByte = dupedExprNodeSize(p, EXPRDUP_REDUCE); + if( p->pLeft ) nByte += dupedExprSize(p->pLeft); + if( p->pRight ) nByte += dupedExprSize(p->pRight); + assert( nByte==ROUND8(nByte) ); return nByte; } /* -** This function is similar to sqlite3ExprDup(), except that if pzBuffer -** is not NULL then *pzBuffer is assumed to point to a buffer large enough -** to store the copy of expression p, the copies of p->u.zToken -** (if applicable), and the copies of the p->pLeft and p->pRight expressions, -** if any. Before returning, *pzBuffer is set to the first byte past the -** portion of the buffer copied into by this function. +** An EdupBuf is a memory allocation used to stored multiple Expr objects +** together with their Expr.zToken content. This is used to help implement +** compression while doing sqlite3ExprDup(). The top-level Expr does the +** allocation for itself and many of its decendents, then passes an instance +** of the structure down into exprDup() so that they decendents can have +** access to that memory. */ -static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ +typedef struct EdupBuf EdupBuf; +struct EdupBuf { + u8 *zAlloc; /* Memory space available for storage */ +#ifdef SQLITE_DEBUG + u8 *zEnd; /* First byte past the end of memory */ +#endif +}; + +/* +** This function is similar to sqlite3ExprDup(), except that if pEdupBuf +** is not NULL then it points to memory that can be used to store a copy +** of the input Expr p together with its p->u.zToken (if any). pEdupBuf +** is updated with the new buffer tail prior to returning. +*/ +static Expr *exprDup( + sqlite3 *db, /* Database connection (for memory allocation) */ + const Expr *p, /* Expr tree to be duplicated */ + int dupFlags, /* EXPRDUP_REDUCE for compression. 0 if not */ + EdupBuf *pEdupBuf /* Preallocated storage space, or NULL */ +){ Expr *pNew; /* Value to return */ - u8 *zAlloc; /* Memory space from which to build Expr object */ + EdupBuf sEdupBuf; /* Memory space from which to build Expr object */ u32 staticFlag; /* EP_Static if space not obtained from malloc */ + int nToken = -1; /* Space needed for p->u.zToken. -1 means unknown */ assert( db!=0 ); assert( p ); assert( dupFlags==0 || dupFlags==EXPRDUP_REDUCE ); - assert( pzBuffer==0 || dupFlags==EXPRDUP_REDUCE ); + assert( pEdupBuf==0 || dupFlags==EXPRDUP_REDUCE ); /* Figure out where to write the new Expr structure. */ - if( pzBuffer ){ - zAlloc = *pzBuffer; + if( pEdupBuf ){ + sEdupBuf.zAlloc = pEdupBuf->zAlloc; +#ifdef SQLITE_DEBUG + sEdupBuf.zEnd = pEdupBuf->zEnd; +#endif staticFlag = EP_Static; - assert( zAlloc!=0 ); + assert( sEdupBuf.zAlloc!=0 ); + assert( dupFlags==EXPRDUP_REDUCE ); }else{ - zAlloc = sqlite3DbMallocRawNN(db, dupedExprSize(p, dupFlags)); + int nAlloc; + if( dupFlags ){ + nAlloc = dupedExprSize(p); + }else if( !ExprHasProperty(p, EP_IntValue) && p->u.zToken ){ + nToken = sqlite3Strlen30NN(p->u.zToken)+1; + nAlloc = ROUND8(EXPR_FULLSIZE + nToken); + }else{ + nToken = 0; + nAlloc = ROUND8(EXPR_FULLSIZE); + } + assert( nAlloc==ROUND8(nAlloc) ); + sEdupBuf.zAlloc = sqlite3DbMallocRawNN(db, nAlloc); +#ifdef SQLITE_DEBUG + sEdupBuf.zEnd = sEdupBuf.zAlloc ? sEdupBuf.zAlloc+nAlloc : 0; +#endif + staticFlag = 0; } - pNew = (Expr *)zAlloc; + pNew = (Expr *)sEdupBuf.zAlloc; + assert( EIGHT_BYTE_ALIGNMENT(pNew) ); if( pNew ){ /* Set nNewSize to the size allocated for the structure pointed to @@ -107229,22 +109950,27 @@ static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ ** by the copy of the p->u.zToken string (if any). */ const unsigned nStructSize = dupedExprStructSize(p, dupFlags); - const int nNewSize = nStructSize & 0xfff; - int nToken; - if( !ExprHasProperty(p, EP_IntValue) && p->u.zToken ){ - nToken = sqlite3Strlen30(p->u.zToken) + 1; - }else{ - nToken = 0; + int nNewSize = nStructSize & 0xfff; + if( nToken<0 ){ + if( !ExprHasProperty(p, EP_IntValue) && p->u.zToken ){ + nToken = sqlite3Strlen30(p->u.zToken) + 1; + }else{ + nToken = 0; + } } if( dupFlags ){ + assert( (int)(sEdupBuf.zEnd - sEdupBuf.zAlloc) >= nNewSize+nToken ); assert( ExprHasProperty(p, EP_Reduced)==0 ); - memcpy(zAlloc, p, nNewSize); + memcpy(sEdupBuf.zAlloc, p, nNewSize); }else{ u32 nSize = (u32)exprStructSize(p); - memcpy(zAlloc, p, nSize); + assert( (int)(sEdupBuf.zEnd - sEdupBuf.zAlloc) >= + (int)EXPR_FULLSIZE+nToken ); + memcpy(sEdupBuf.zAlloc, p, nSize); if( nSizeu.zToken string, if any. */ - if( nToken ){ - char *zToken = pNew->u.zToken = (char*)&zAlloc[nNewSize]; + assert( nToken>=0 ); + if( nToken>0 ){ + char *zToken = pNew->u.zToken = (char*)&sEdupBuf.zAlloc[nNewSize]; memcpy(zToken, p->u.zToken, nToken); + nNewSize += nToken; } + sEdupBuf.zAlloc += ROUND8(nNewSize); + + if( ((p->flags|pNew->flags)&(EP_TokenOnly|EP_Leaf))==0 ){ - if( 0==((p->flags|pNew->flags) & (EP_TokenOnly|EP_Leaf)) ){ /* Fill in the pNew->x.pSelect or pNew->x.pList member. */ if( ExprUseXSelect(p) ){ pNew->x.pSelect = sqlite3SelectDup(db, p->x.pSelect, dupFlags); }else{ - pNew->x.pList = sqlite3ExprListDup(db, p->x.pList, dupFlags); + pNew->x.pList = sqlite3ExprListDup(db, p->x.pList, + p->op!=TK_ORDER ? dupFlags : 0); } - } - /* Fill in pNew->pLeft and pNew->pRight. */ - if( ExprHasProperty(pNew, EP_Reduced|EP_TokenOnly|EP_WinFunc) ){ - zAlloc += dupedExprNodeSize(p, dupFlags); - if( !ExprHasProperty(pNew, EP_TokenOnly|EP_Leaf) ){ - pNew->pLeft = p->pLeft ? - exprDup(db, p->pLeft, EXPRDUP_REDUCE, &zAlloc) : 0; - pNew->pRight = p->pRight ? - exprDup(db, p->pRight, EXPRDUP_REDUCE, &zAlloc) : 0; - } #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(p, EP_WinFunc) ){ pNew->y.pWin = sqlite3WindowDup(db, pNew, p->y.pWin); assert( ExprHasProperty(pNew, EP_WinFunc) ); } #endif /* SQLITE_OMIT_WINDOWFUNC */ - if( pzBuffer ){ - *pzBuffer = zAlloc; - } - }else{ - if( !ExprHasProperty(p, EP_TokenOnly|EP_Leaf) ){ - if( pNew->op==TK_SELECT_COLUMN ){ + + /* Fill in pNew->pLeft and pNew->pRight. */ + if( dupFlags ){ + if( p->op==TK_SELECT_COLUMN ){ pNew->pLeft = p->pLeft; - assert( p->pRight==0 || p->pRight==p->pLeft - || ExprHasProperty(p->pLeft, EP_Subquery) ); + assert( p->pRight==0 + || p->pRight==p->pLeft + || ExprHasProperty(p->pLeft, EP_Subquery) ); + }else{ + pNew->pLeft = p->pLeft ? + exprDup(db, p->pLeft, EXPRDUP_REDUCE, &sEdupBuf) : 0; + } + pNew->pRight = p->pRight ? + exprDup(db, p->pRight, EXPRDUP_REDUCE, &sEdupBuf) : 0; + }else{ + if( p->op==TK_SELECT_COLUMN ){ + pNew->pLeft = p->pLeft; + assert( p->pRight==0 + || p->pRight==p->pLeft + || ExprHasProperty(p->pLeft, EP_Subquery) ); }else{ pNew->pLeft = sqlite3ExprDup(db, p->pLeft, 0); } @@ -107302,6 +110034,8 @@ static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ } } } + if( pEdupBuf ) memcpy(pEdupBuf, &sEdupBuf, sizeof(sEdupBuf)); + assert( sEdupBuf.zAlloc <= sEdupBuf.zEnd ); return pNew; } @@ -107566,11 +110300,7 @@ SQLITE_PRIVATE Select *sqlite3SelectDup(sqlite3 *db, const Select *p, int flags) ** initially NULL, then create a new expression list. ** ** The pList argument must be either NULL or a pointer to an ExprList -** obtained from a prior call to sqlite3ExprListAppend(). This routine -** may not be used with an ExprList obtained from sqlite3ExprListDup(). -** Reason: This routine assumes that the number of slots in pList->a[] -** is a power of two. That is true for sqlite3ExprListAppend() returns -** but is not necessarily true from the return value of sqlite3ExprListDup(). +** obtained from a prior call to sqlite3ExprListAppend(). ** ** If a memory allocation error occurs, the entire list is freed and ** NULL is returned. If non-NULL is returned, then it is guaranteed @@ -107835,6 +110565,9 @@ static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){ SQLITE_PRIVATE void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){ if( pList ) exprListDeleteNN(db, pList); } +SQLITE_PRIVATE void sqlite3ExprListDeleteGeneric(sqlite3 *db, void *pList){ + if( ALWAYS(pList) ) exprListDeleteNN(db, (ExprList*)pList); +} /* ** Return the bitwise-OR of all Expr.flags fields in the given @@ -107903,7 +110636,7 @@ SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr *pExpr){ ** and 0 if it is FALSE. */ SQLITE_PRIVATE int sqlite3ExprTruthValue(const Expr *pExpr){ - pExpr = sqlite3ExprSkipCollate((Expr*)pExpr); + pExpr = sqlite3ExprSkipCollateAndLikely((Expr*)pExpr); assert( pExpr->op==TK_TRUEFALSE ); assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( sqlite3StrICmp(pExpr->u.zToken,"true")==0 @@ -108090,12 +110823,17 @@ SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr *p, int iCur){ } /* -** Check pExpr to see if it is an invariant constraint on data source pSrc. +** Check pExpr to see if it is an constraint on the single data source +** pSrc = &pSrcList->a[iSrc]. In other words, check to see if pExpr +** constrains pSrc but does not depend on any other tables or data +** sources anywhere else in the query. Return true (non-zero) if pExpr +** is a constraint on pSrc only. +** ** This is an optimization. False negatives will perhaps cause slower ** queries, but false positives will yield incorrect answers. So when in ** doubt, return 0. ** -** To be an invariant constraint, the following must be true: +** To be an single-source constraint, the following must be true: ** ** (1) pExpr cannot refer to any table other than pSrc->iCursor. ** @@ -108106,13 +110844,31 @@ SQLITE_PRIVATE int sqlite3ExprIsTableConstant(Expr *p, int iCur){ ** ** (4) If pSrc is the right operand of a LEFT JOIN, then... ** (4a) pExpr must come from an ON clause.. - (4b) and specifically the ON clause associated with the LEFT JOIN. +** (4b) and specifically the ON clause associated with the LEFT JOIN. ** ** (5) If pSrc is not the right operand of a LEFT JOIN or the left ** operand of a RIGHT JOIN, then pExpr must be from the WHERE ** clause, not an ON clause. +** +** (6) Either: +** +** (6a) pExpr does not originate in an ON or USING clause, or +** +** (6b) The ON or USING clause from which pExpr is derived is +** not to the left of a RIGHT JOIN (or FULL JOIN). +** +** Without this restriction, accepting pExpr as a single-table +** constraint might move the the ON/USING filter expression +** from the left side of a RIGHT JOIN over to the right side, +** which leads to incorrect answers. See also restriction (9) +** on push-down. */ -SQLITE_PRIVATE int sqlite3ExprIsTableConstraint(Expr *pExpr, const SrcItem *pSrc){ +SQLITE_PRIVATE int sqlite3ExprIsSingleTableConstraint( + Expr *pExpr, /* The constraint */ + const SrcList *pSrcList, /* Complete FROM clause */ + int iSrc /* Which element of pSrcList to use */ +){ + const SrcItem *pSrc = &pSrcList->a[iSrc]; if( pSrc->fg.jointype & JT_LTORJ ){ return 0; /* rule (3) */ } @@ -108122,6 +110878,19 @@ SQLITE_PRIVATE int sqlite3ExprIsTableConstraint(Expr *pExpr, const SrcItem *pSrc }else{ if( ExprHasProperty(pExpr, EP_OuterON) ) return 0; /* rule (5) */ } + if( ExprHasProperty(pExpr, EP_OuterON|EP_InnerON) /* (6a) */ + && (pSrcList->a[0].fg.jointype & JT_LTORJ)!=0 /* Fast pre-test of (6b) */ + ){ + int jj; + for(jj=0; jjw.iJoin==pSrcList->a[jj].iCursor ){ + if( (pSrcList->a[jj].fg.jointype & JT_LTORJ)!=0 ){ + return 0; /* restriction (6) */ + } + break; + } + } + } return sqlite3ExprIsTableConstant(pExpr, pSrc->iCursor); /* rules (1), (2) */ } @@ -108298,9 +111067,10 @@ SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr *p){ case TK_COLUMN: assert( ExprUseYTab(p) ); return ExprHasProperty(p, EP_CanBeNull) || - p->y.pTab==0 || /* Reference to column of index on expression */ + NEVER(p->y.pTab==0) || /* Reference to column of index on expr */ (p->iColumn>=0 && p->y.pTab->aCol!=0 /* Possible due to prior error */ + && ALWAYS(p->iColumny.pTab->nCol) && p->y.pTab->aCol[p->iColumn].notNull==0); default: return 1; @@ -108360,11 +111130,32 @@ SQLITE_PRIVATE int sqlite3IsRowid(const char *z){ return 0; } +/* +** Return a pointer to a buffer containing a usable rowid alias for table +** pTab. An alias is usable if there is not an explicit user-defined column +** of the same name. +*/ +SQLITE_PRIVATE const char *sqlite3RowidAlias(Table *pTab){ + const char *azOpt[] = {"_ROWID_", "ROWID", "OID"}; + int ii; + assert( VisibleRowid(pTab) ); + for(ii=0; iinCol; iCol++){ + if( sqlite3_stricmp(azOpt[ii], pTab->aCol[iCol].zCnName)==0 ) break; + } + if( iCol==pTab->nCol ){ + return azOpt[ii]; + } + } + return 0; +} + /* ** pX is the RHS of an IN operator. If pX is a SELECT statement ** that can be simplified to a direct table access, then return ** a pointer to the SELECT statement. If pX is not a SELECT statement, -** or if the SELECT statement needs to be manifested into a transient +** or if the SELECT statement needs to be materialized into a transient ** table, then return NULL. */ #ifndef SQLITE_OMIT_SUBQUERY @@ -108460,7 +111251,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** IN_INDEX_INDEX_ASC - The cursor was opened on an ascending index. ** IN_INDEX_INDEX_DESC - The cursor was opened on a descending index. ** IN_INDEX_EPH - The cursor was opened on a specially created and -** populated epheremal table. +** populated ephemeral table. ** IN_INDEX_NOOP - No cursor was allocated. The IN operator must be ** implemented as a sequence of comparisons. ** @@ -108473,7 +111264,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** an ephemeral table might need to be generated from the RHS and then ** pX->iTable made to point to the ephemeral table instead of an ** existing table. In this case, the creation and initialization of the -** ephmeral table might be put inside of a subroutine, the EP_Subrtn flag +** ephemeral table might be put inside of a subroutine, the EP_Subrtn flag ** will be set on pX and the pX->y.sub fields will be set to show where ** the subroutine is coded. ** @@ -108485,12 +111276,12 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** ** When IN_INDEX_LOOP is used (and the b-tree will be used to iterate ** through the set members) then the b-tree must not contain duplicates. -** An epheremal table will be created unless the selected columns are guaranteed +** An ephemeral table will be created unless the selected columns are guaranteed ** to be unique - either because it is an INTEGER PRIMARY KEY or due to ** a UNIQUE constraint or index. ** ** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used -** for fast set membership tests) then an epheremal table must +** for fast set membership tests) then an ephemeral table must ** be used unless is a single INTEGER PRIMARY KEY column or an ** index can be found with the specified as its left-most. ** @@ -108650,7 +111441,6 @@ SQLITE_PRIVATE int sqlite3FindInIndex( CollSeq *pReq = sqlite3BinaryCompareCollSeq(pParse, pLhs, pRhs); int j; - assert( pReq!=0 || pRhs->iColumn==XN_ROWID || pParse->nErr ); for(j=0; jaiColumn[j]!=pRhs->iColumn ) continue; assert( pIdx->azColl[j] ); @@ -108824,7 +111614,7 @@ SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ ** x IN (SELECT a FROM b) -- IN operator with subquery on the right ** ** The pExpr parameter is the IN operator. The cursor number for the -** constructed ephermeral table is returned. The first time the ephemeral +** constructed ephemeral table is returned. The first time the ephemeral ** table is computed, the cursor number is also stored in pExpr->iTable, ** however the cursor number returned might not be the same, as it might ** have been duplicated using OP_OpenDup. @@ -109639,10 +112429,13 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( u8 p5 /* P5 value for OP_Column + FLAGS */ ){ assert( pParse->pVdbe!=0 ); + assert( (p5 & (OPFLAG_NOCHNG|OPFLAG_TYPEOFARG|OPFLAG_LENGTHARG))==p5 ); + assert( IsVirtual(pTab) || (p5 & OPFLAG_NOCHNG)==0 ); sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pTab, iTable, iColumn, iReg); if( p5 ){ VdbeOp *pOp = sqlite3VdbeGetLastOp(pParse->pVdbe); if( pOp->opcode==OP_Column ) pOp->p5 = p5; + if( pOp->opcode==OP_VColumn ) pOp->p5 = (p5 & OPFLAG_NOCHNG); } return iReg; } @@ -109671,7 +112464,7 @@ static void exprToRegister(Expr *pExpr, int iReg){ /* ** Evaluate an expression (either a vector or a scalar expression) and store -** the result in continguous temporary registers. Return the index of +** the result in contiguous temporary registers. Return the index of ** the first register used to store the result. ** ** If the returned result register is a temporary scalar, then also write @@ -109711,7 +112504,7 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ */ static void setDoNotMergeFlagOnCopy(Vdbe *v){ if( sqlite3VdbeGetLastOp(v)->opcode==OP_Copy ){ - sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ + sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergeable */ } } @@ -109801,13 +112594,13 @@ static int exprCodeInlineFunction( } case INLINEFUNC_implies_nonnull_row: { - /* REsult of sqlite3ExprImpliesNonNullRow() */ + /* Result of sqlite3ExprImpliesNonNullRow() */ Expr *pA1; assert( nFarg==2 ); pA1 = pFarg->a[1].pExpr; if( pA1->op==TK_COLUMN ){ sqlite3VdbeAddOp2(v, OP_Integer, - sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable), + sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable,1), target); }else{ sqlite3VdbeAddOp2(v, OP_Null, 0, target); @@ -109895,6 +112688,41 @@ static SQLITE_NOINLINE int sqlite3IndexedExprLookup( } +/* +** Expresion pExpr is guaranteed to be a TK_COLUMN or equivalent. This +** function checks the Parse.pIdxPartExpr list to see if this column +** can be replaced with a constant value. If so, it generates code to +** put the constant value in a register (ideally, but not necessarily, +** register iTarget) and returns the register number. +** +** Or, if the TK_COLUMN cannot be replaced by a constant, zero is +** returned. +*/ +static int exprPartidxExprLookup(Parse *pParse, Expr *pExpr, int iTarget){ + IndexedExpr *p; + for(p=pParse->pIdxPartExpr; p; p=p->pIENext){ + if( pExpr->iColumn==p->iIdxCol && pExpr->iTable==p->iDataCur ){ + Vdbe *v = pParse->pVdbe; + int addr = 0; + int ret; + + if( p->bMaybeNullRow ){ + addr = sqlite3VdbeAddOp1(v, OP_IfNullRow, p->iIdxCur); + } + ret = sqlite3ExprCodeTarget(pParse, p->pExpr, iTarget); + sqlite3VdbeAddOp4(pParse->pVdbe, OP_Affinity, ret, 1, 0, + (const char*)&p->aff, 1); + if( addr ){ + sqlite3VdbeJumpHere(v, addr); + sqlite3VdbeChangeP3(v, addr, ret); + } + return ret; + } + } + return 0; +} + + /* ** Generate code into the current Vdbe to evaluate the given ** expression. Attempt to store the results in register "target". @@ -109931,12 +112759,25 @@ expr_code_doover: assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); op = pExpr->op; } + assert( op!=TK_ORDER ); switch( op ){ case TK_AGG_COLUMN: { AggInfo *pAggInfo = pExpr->pAggInfo; struct AggInfo_col *pCol; assert( pAggInfo!=0 ); - assert( pExpr->iAgg>=0 && pExpr->iAggnColumn ); + assert( pExpr->iAgg>=0 ); + if( pExpr->iAgg>=pAggInfo->nColumn ){ + /* Happens when the left table of a RIGHT JOIN is null and + ** is using an expression index */ + sqlite3VdbeAddOp2(v, OP_Null, 0, target); +#ifdef SQLITE_VDBE_COVERAGE + /* Verify that the OP_Null above is exercised by tests + ** tag-20230325-2 */ + sqlite3VdbeAddOp3(v, OP_NotNull, target, 1, 20230325); + VdbeCoverageNeverTaken(v); +#endif + break; + } pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ return AggInfoColumnReg(pAggInfo, pExpr->iAgg); @@ -109971,7 +112812,7 @@ expr_code_doover: if( ExprHasProperty(pExpr, EP_FixedCol) ){ /* This COLUMN expression is really a constant due to WHERE clause ** constraints, and that constant is coded by the pExpr->pLeft - ** expresssion. However, make sure the constant has the correct + ** expression. However, make sure the constant has the correct ** datatype by applying the Affinity of the table column to the ** constant. */ @@ -110040,6 +112881,11 @@ expr_code_doover: iTab = pParse->iSelfTab - 1; } } + else if( pParse->pIdxPartExpr + && 0!=(r1 = exprPartidxExprLookup(pParse, pExpr, target)) + ){ + return r1; + } assert( ExprUseYTab(pExpr) ); assert( pExpr->y.pTab!=0 ); iReg = sqlite3ExprCodeGetColumn(pParse, pExpr->y.pTab, @@ -110111,11 +112957,8 @@ expr_code_doover: #ifndef SQLITE_OMIT_CAST case TK_CAST: { /* Expressions of the form: CAST(pLeft AS token) */ - inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); - if( inReg!=target ){ - sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); - inReg = target; - } + sqlite3ExprCode(pParse, pExpr->pLeft, target); + assert( inReg==target ); assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3VdbeAddOp2(v, OP_Cast, target, sqlite3AffinityType(pExpr->u.zToken, 0)); @@ -110300,7 +113143,7 @@ expr_code_doover: sqlite3ErrorMsg(pParse, "unknown function: %#T()", pExpr); break; } - if( pDef->funcFlags & SQLITE_FUNC_INLINE ){ + if( (pDef->funcFlags & SQLITE_FUNC_INLINE)!=0 && ALWAYS(pFarg!=0) ){ assert( (pDef->funcFlags & SQLITE_FUNC_UNSAFE)==0 ); assert( (pDef->funcFlags & SQLITE_FUNC_DIRECT)==0 ); return exprCodeInlineFunction(pParse, pFarg, @@ -110326,10 +113169,10 @@ expr_code_doover: r1 = sqlite3GetTempRange(pParse, nFarg); } - /* For length() and typeof() functions with a column argument, + /* For length() and typeof() and octet_length() functions, ** set the P5 parameter to the OP_Column opcode to OPFLAG_LENGTHARG - ** or OPFLAG_TYPEOFARG respectively, to avoid unnecessary data - ** loading. + ** or OPFLAG_TYPEOFARG or OPFLAG_BYTELENARG respectively, to avoid + ** unnecessary data loading. */ if( (pDef->funcFlags & (SQLITE_FUNC_LENGTH|SQLITE_FUNC_TYPEOF))!=0 ){ u8 exprOp; @@ -110339,14 +113182,16 @@ expr_code_doover: if( exprOp==TK_COLUMN || exprOp==TK_AGG_COLUMN ){ assert( SQLITE_FUNC_LENGTH==OPFLAG_LENGTHARG ); assert( SQLITE_FUNC_TYPEOF==OPFLAG_TYPEOFARG ); - testcase( pDef->funcFlags & OPFLAG_LENGTHARG ); - pFarg->a[0].pExpr->op2 = - pDef->funcFlags & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG); + assert( SQLITE_FUNC_BYTELEN==OPFLAG_BYTELENARG ); + assert( (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG)==OPFLAG_BYTELENARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_LENGTHARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_TYPEOFARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_BYTELENARG); + pFarg->a[0].pExpr->op2 = pDef->funcFlags & OPFLAG_BYTELENARG; } } - sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, - SQLITE_ECEL_DUP|SQLITE_ECEL_FACTOR); + sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, SQLITE_ECEL_FACTOR); }else{ r1 = 0; } @@ -110454,13 +113299,9 @@ expr_code_doover: ** Clear subtypes as subtypes may not cross a subquery boundary. */ assert( pExpr->pLeft ); - inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); - if( inReg!=target ){ - sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); - inReg = target; - } - sqlite3VdbeAddOp1(v, OP_ClrSubtype, inReg); - return inReg; + sqlite3ExprCode(pParse, pExpr->pLeft, target); + sqlite3VdbeAddOp1(v, OP_ClrSubtype, target); + return target; }else{ pExpr = pExpr->pLeft; goto expr_code_doover; /* 2018-04-28: Prevent deep recursion. */ @@ -110570,12 +113411,9 @@ expr_code_doover: ** "target" and not someplace else. */ pParse->okConstFactor = 0; /* note (1) above */ - inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); + sqlite3ExprCode(pParse, pExpr->pLeft, target); + assert( target==inReg ); pParse->okConstFactor = okConstFactor; - if( inReg!=target ){ /* note (2) above */ - sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); - inReg = target; - } sqlite3VdbeJumpHere(v, addrINR); break; } @@ -110708,9 +113546,9 @@ expr_code_doover: ** once. If no functions are involved, then factor the code out and put it at ** the end of the prepared statement in the initialization section. ** -** If regDest>=0 then the result is always stored in that register and the +** If regDest>0 then the result is always stored in that register and the ** result is not reusable. If regDest<0 then this routine is free to -** store the value whereever it wants. The register where the expression +** store the value wherever it wants. The register where the expression ** is stored is returned. When regDest<0, two identical expressions might ** code to the same register, if they do not contain function calls and hence ** are factored out into the initialization section at the end of the @@ -110723,6 +113561,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce( ){ ExprList *p; assert( ConstFactorOk(pParse) ); + assert( regDest!=0 ); p = pParse->pConstExpr; if( regDest<0 && p ){ struct ExprList_item *pItem; @@ -110813,7 +113652,11 @@ SQLITE_PRIVATE void sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){ inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); if( inReg!=target ){ u8 op; - if( ALWAYS(pExpr) && ExprHasProperty(pExpr,EP_Subquery) ){ + Expr *pX = sqlite3ExprSkipCollateAndLikely(pExpr); + testcase( pX!=pExpr ); + if( ALWAYS(pX) + && (ExprHasProperty(pX,EP_Subquery) || pX->op==TK_REGISTER) + ){ op = OP_Copy; }else{ op = OP_SCopy; @@ -111532,8 +114375,8 @@ SQLITE_PRIVATE int sqlite3ExprListCompare(const ExprList *pA, const ExprList *pB */ SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA,Expr *pB, int iTab){ return sqlite3ExprCompare(0, - sqlite3ExprSkipCollateAndLikely(pA), - sqlite3ExprSkipCollateAndLikely(pB), + sqlite3ExprSkipCollate(pA), + sqlite3ExprSkipCollate(pB), iTab); } @@ -111626,7 +114469,7 @@ static int exprImpliesNotNull( ** pE1: x!=123 pE2: x IS NOT NULL Result: true ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false -** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false +** pE1: x IS ?2 pE2: x IS NOT NULL Result: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. @@ -111663,11 +114506,29 @@ SQLITE_PRIVATE int sqlite3ExprImpliesExpr( return 0; } +/* This is a helper function to impliesNotNullRow(). In this routine, +** set pWalker->eCode to one only if *both* of the input expressions +** separately have the implies-not-null-row property. +*/ +static void bothImplyNotNullRow(Walker *pWalker, Expr *pE1, Expr *pE2){ + if( pWalker->eCode==0 ){ + sqlite3WalkExpr(pWalker, pE1); + if( pWalker->eCode ){ + pWalker->eCode = 0; + sqlite3WalkExpr(pWalker, pE2); + } + } +} + /* ** This is the Expr node callback for sqlite3ExprImpliesNonNullRow(). ** If the expression node requires that the table at pWalker->iCur ** have one or more non-NULL column, then set pWalker->eCode to 1 and abort. ** +** pWalker->mWFlags is non-zero if this inquiry is being undertaking on +** behalf of a RIGHT JOIN (or FULL JOIN). That makes a difference when +** evaluating terms in the ON clause of an inner join. +** ** This routine controls an optimization. False positives (setting ** pWalker->eCode to 1 when it should not be) are deadly, but false-negatives ** (never setting pWalker->eCode) is a harmless missed optimization. @@ -111676,28 +114537,33 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_AGG_COLUMN ); testcase( pExpr->op==TK_AGG_FUNCTION ); if( ExprHasProperty(pExpr, EP_OuterON) ) return WRC_Prune; + if( ExprHasProperty(pExpr, EP_InnerON) && pWalker->mWFlags ){ + /* If iCur is used in an inner-join ON clause to the left of a + ** RIGHT JOIN, that does *not* mean that the table must be non-null. + ** But it is difficult to check for that condition precisely. + ** To keep things simple, any use of iCur from any inner-join is + ** ignored while attempting to simplify a RIGHT JOIN. */ + return WRC_Prune; + } switch( pExpr->op ){ case TK_ISNOT: case TK_ISNULL: case TK_NOTNULL: case TK_IS: - case TK_OR: case TK_VECTOR: - case TK_CASE: - case TK_IN: case TK_FUNCTION: case TK_TRUTH: + case TK_CASE: testcase( pExpr->op==TK_ISNOT ); testcase( pExpr->op==TK_ISNULL ); testcase( pExpr->op==TK_NOTNULL ); testcase( pExpr->op==TK_IS ); - testcase( pExpr->op==TK_OR ); testcase( pExpr->op==TK_VECTOR ); - testcase( pExpr->op==TK_CASE ); - testcase( pExpr->op==TK_IN ); testcase( pExpr->op==TK_FUNCTION ); testcase( pExpr->op==TK_TRUTH ); + testcase( pExpr->op==TK_CASE ); return WRC_Prune; + case TK_COLUMN: if( pWalker->u.iCur==pExpr->iTable ){ pWalker->eCode = 1; @@ -111705,21 +114571,38 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ } return WRC_Prune; + case TK_OR: case TK_AND: - if( pWalker->eCode==0 ){ + /* Both sides of an AND or OR must separately imply non-null-row. + ** Consider these cases: + ** 1. NOT (x AND y) + ** 2. x OR y + ** If only one of x or y is non-null-row, then the overall expression + ** can be true if the other arm is false (case 1) or true (case 2). + */ + testcase( pExpr->op==TK_OR ); + testcase( pExpr->op==TK_AND ); + bothImplyNotNullRow(pWalker, pExpr->pLeft, pExpr->pRight); + return WRC_Prune; + + case TK_IN: + /* Beware of "x NOT IN ()" and "x NOT IN (SELECT 1 WHERE false)", + ** both of which can be true. But apart from these cases, if + ** the left-hand side of the IN is NULL then the IN itself will be + ** NULL. */ + if( ExprUseXList(pExpr) && ALWAYS(pExpr->x.pList->nExpr>0) ){ sqlite3WalkExpr(pWalker, pExpr->pLeft); - if( pWalker->eCode ){ - pWalker->eCode = 0; - sqlite3WalkExpr(pWalker, pExpr->pRight); - } } return WRC_Prune; case TK_BETWEEN: - if( sqlite3WalkExpr(pWalker, pExpr->pLeft)==WRC_Abort ){ - assert( pWalker->eCode ); - return WRC_Abort; - } + /* In "x NOT BETWEEN y AND z" either x must be non-null-row or else + ** both y and z must be non-null row */ + assert( ExprUseXList(pExpr) ); + assert( pExpr->x.pList->nExpr==2 ); + sqlite3WalkExpr(pWalker, pExpr->pLeft); + bothImplyNotNullRow(pWalker, pExpr->x.pList->a[0].pExpr, + pExpr->x.pList->a[1].pExpr); return WRC_Prune; /* Virtual tables are allowed to use constraints like x=NULL. So @@ -111781,7 +114664,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ ** be non-NULL, then the LEFT JOIN can be safely converted into an ** ordinary join. */ -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab, int isRJ){ Walker w; p = sqlite3ExprSkipCollateAndLikely(p); if( p==0 ) return 0; @@ -111789,7 +114672,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ p = p->pLeft; }else{ while( p->op==TK_AND ){ - if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1; + if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab, isRJ) ) return 1; p = p->pRight; } } @@ -111797,6 +114680,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ w.xSelectCallback = 0; w.xSelectCallback2 = 0; w.eCode = 0; + w.mWFlags = isRJ!=0; w.u.iCur = iTab; sqlite3WalkExpr(&w, p); return w.eCode; @@ -111857,7 +114741,7 @@ SQLITE_PRIVATE int sqlite3ExprCoveredByIndex( } -/* Structure used to pass information throught the Walker in order to +/* Structure used to pass information throughout the Walker in order to ** implement sqlite3ReferencesSrcList(). */ struct RefSrcList { @@ -111964,6 +114848,12 @@ SQLITE_PRIVATE int sqlite3ReferencesSrcList(Parse *pParse, Expr *pExpr, SrcList assert( pExpr->op==TK_AGG_FUNCTION ); assert( ExprUseXList(pExpr) ); sqlite3WalkExprList(&w, pExpr->x.pList); + if( pExpr->pLeft ){ + assert( pExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pExpr->pLeft) ); + assert( pExpr->pLeft->x.pList!=0 ); + sqlite3WalkExprList(&w, pExpr->pLeft->x.pList); + } #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(pExpr, EP_WinFunc) ){ sqlite3WalkExpr(&w, pExpr->y.pWin->pFilter); @@ -111998,9 +114888,11 @@ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ int iAgg = pExpr->iAgg; Parse *pParse = pWalker->pParse; sqlite3 *db = pParse->db; + assert( iAgg>=0 ); if( pExpr->op!=TK_AGG_FUNCTION ){ - assert( iAgg>=0 && iAggnColumn ); - if( pAggInfo->aCol[iAgg].pCExpr==pExpr ){ + if( iAggnColumn + && pAggInfo->aCol[iAgg].pCExpr==pExpr + ){ pExpr = sqlite3ExprDup(db, pExpr, 0); if( pExpr ){ pAggInfo->aCol[iAgg].pCExpr = pExpr; @@ -112009,8 +114901,9 @@ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ } }else{ assert( pExpr->op==TK_AGG_FUNCTION ); - assert( iAgg>=0 && iAggnFunc ); - if( pAggInfo->aFunc[iAgg].pFExpr==pExpr ){ + if( ALWAYS(iAggnFunc) + && pAggInfo->aFunc[iAgg].pFExpr==pExpr + ){ pExpr = sqlite3ExprDup(db, pExpr, 0); if( pExpr ){ pAggInfo->aFunc[iAgg].pFExpr = pExpr; @@ -112070,7 +114963,7 @@ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ ** Return the index in aCol[] of the entry that describes that column. ** ** If no prior entry is found, create a new one and return -1. The -** new column will have an idex of pAggInfo->nColumn-1. +** new column will have an index of pAggInfo->nColumn-1. */ static void findOrCreateAggInfoColumn( Parse *pParse, /* Parsing context */ @@ -112083,6 +114976,7 @@ static void findOrCreateAggInfoColumn( assert( pAggInfo->iFirstReg==0 ); pCol = pAggInfo->aCol; for(k=0; knColumn; k++, pCol++){ + if( pCol->pCExpr==pExpr ) return; if( pCol->iTable==pExpr->iTable && pCol->iColumn==pExpr->iColumn && pExpr->op!=TK_IF_NULL_ROW @@ -112160,7 +115054,12 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ } if( pIEpr==0 ) break; if( NEVER(!ExprUseYTab(pExpr)) ) break; - if( pExpr->pAggInfo!=0 ) break; /* Already resolved by outer context */ + for(i=0; inSrc; i++){ + if( pSrcList->a[0].iCursor==pIEpr->iDataCur ) break; + } + if( i>=pSrcList->nSrc ) break; + if( NEVER(pExpr->pAggInfo!=0) ) break; /* Resolved by outer context */ + if( pParse->nErr ){ return WRC_Abort; } /* If we reach this point, it means that expression pExpr can be ** translated into a reference to an index column as described by @@ -112171,6 +115070,9 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ tmp.iTable = pIEpr->iIdxCur; tmp.iColumn = pIEpr->iIdxCol; findOrCreateAggInfoColumn(pParse, pAggInfo, &tmp); + if( pParse->nErr ){ return WRC_Abort; } + assert( pAggInfo->aCol!=0 ); + assert( tmp.iAggnColumn ); pAggInfo->aCol[tmp.iAgg].pCExpr = pExpr; pExpr->pAggInfo = pAggInfo; pExpr->iAgg = tmp.iAgg; @@ -112194,18 +115096,19 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ } /* endif pExpr->iTable==pItem->iCursor */ } /* end loop over pSrcList */ } - return WRC_Prune; + return WRC_Continue; } case TK_AGG_FUNCTION: { if( (pNC->ncFlags & NC_InAggFunc)==0 && pWalker->walkerDepth==pExpr->op2 + && pExpr->pAggInfo==0 ){ /* Check to see if pExpr is a duplicate of another aggregate ** function that is already in the pAggInfo structure */ struct AggInfo_func *pItem = pAggInfo->aFunc; for(i=0; inFunc; i++, pItem++){ - if( pItem->pFExpr==pExpr ) break; + if( NEVER(pItem->pFExpr==pExpr) ) break; if( sqlite3ExprCompare(0, pItem->pFExpr, pExpr, -1)==0 ){ break; } @@ -112216,14 +115119,44 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ u8 enc = ENC(pParse->db); i = addAggInfoFunc(pParse->db, pAggInfo); if( i>=0 ){ + int nArg; assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); pItem = &pAggInfo->aFunc[i]; pItem->pFExpr = pExpr; assert( ExprUseUToken(pExpr) ); + nArg = pExpr->x.pList ? pExpr->x.pList->nExpr : 0; pItem->pFunc = sqlite3FindFunction(pParse->db, - pExpr->u.zToken, - pExpr->x.pList ? pExpr->x.pList->nExpr : 0, enc, 0); - if( pExpr->flags & EP_Distinct ){ + pExpr->u.zToken, nArg, enc, 0); + assert( pItem->bOBUnique==0 ); + if( pExpr->pLeft + && (pItem->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL)==0 + ){ + /* The NEEDCOLL test above causes any ORDER BY clause on + ** aggregate min() or max() to be ignored. */ + ExprList *pOBList; + assert( nArg>0 ); + assert( pExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pExpr->pLeft) ); + pItem->iOBTab = pParse->nTab++; + pOBList = pExpr->pLeft->x.pList; + assert( pOBList->nExpr>0 ); + assert( pItem->bOBUnique==0 ); + if( pOBList->nExpr==1 + && nArg==1 + && sqlite3ExprCompare(0,pOBList->a[0].pExpr, + pExpr->x.pList->a[0].pExpr,0)==0 + ){ + pItem->bOBPayload = 0; + pItem->bOBUnique = ExprHasProperty(pExpr, EP_Distinct); + }else{ + pItem->bOBPayload = 1; + } + pItem->bUseSubtype = + (pItem->pFunc->funcFlags & SQLITE_SUBTYPE)!=0; + }else{ + pItem->iOBTab = -1; + } + if( ExprHasProperty(pExpr, EP_Distinct) && !pItem->bOBUnique ){ pItem->iDistinct = pParse->nTab++; }else{ pItem->iDistinct = -1; @@ -112347,6 +115280,37 @@ SQLITE_PRIVATE void sqlite3ClearTempRegCache(Parse *pParse){ pParse->nRangeReg = 0; } +/* +** Make sure sufficient registers have been allocated so that +** iReg is a valid register number. +*/ +SQLITE_PRIVATE void sqlite3TouchRegister(Parse *pParse, int iReg){ + if( pParse->nMemnMem = iReg; +} + +#if defined(SQLITE_ENABLE_STAT4) || defined(SQLITE_DEBUG) +/* +** Return the latest reusable register in the set of all registers. +** The value returned is no less than iMin. If any register iMin or +** greater is in permanent use, then return one more than that last +** permanent register. +*/ +SQLITE_PRIVATE int sqlite3FirstAvailableRegister(Parse *pParse, int iMin){ + const ExprList *pList = pParse->pConstExpr; + if( pList ){ + int i; + for(i=0; inExpr; i++){ + if( pList->a[i].u.iConstExprReg>=iMin ){ + iMin = pList->a[i].u.iConstExprReg + 1; + } + } + } + pParse->nTempReg = 0; + pParse->nRangeReg = 0; + return iMin; +} +#endif /* SQLITE_ENABLE_STAT4 || SQLITE_DEBUG */ + /* ** Validate that no temporary register falls within the range of ** iFirst..iLast, inclusive. This routine is only call from within assert() @@ -112366,6 +115330,14 @@ SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ return 0; } } + if( pParse->pConstExpr ){ + ExprList *pList = pParse->pConstExpr; + for(i=0; inExpr; i++){ + int iReg = pList->a[i].u.iConstExprReg; + if( iReg==0 ) continue; + if( iReg>=iFirst && iReg<=iLast ) return 0; + } + } return 1; } #endif /* SQLITE_DEBUG */ @@ -112820,14 +115792,19 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ /* Verify that constraints are still satisfied */ if( pNew->pCheck!=0 || (pCol->notNull && (pCol->colFlags & COLFLAG_GENERATED)!=0) + || (pTab->tabFlags & TF_Strict)!=0 ){ sqlite3NestedParse(pParse, "SELECT CASE WHEN quick_check GLOB 'CHECK*'" " THEN raise(ABORT,'CHECK constraint failed')" + " WHEN quick_check GLOB 'non-* value in*'" + " THEN raise(ABORT,'type mismatch on DEFAULT')" " ELSE raise(ABORT,'NOT NULL constraint failed')" " END" " FROM pragma_quick_check(%Q,%Q)" - " WHERE quick_check GLOB 'CHECK*' OR quick_check GLOB 'NULL*'", + " WHERE quick_check GLOB 'CHECK*'" + " OR quick_check GLOB 'NULL*'" + " OR quick_check GLOB 'non-* value in*'", zTab, zDb ); } @@ -112916,7 +115893,7 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ pNew->u.tab.pDfltList = sqlite3ExprListDup(db, pTab->u.tab.pDfltList, 0); pNew->pSchema = db->aDb[iDb].pSchema; pNew->u.tab.addColOffset = pTab->u.tab.addColOffset; - pNew->nTabRef = 1; + assert( pNew->nTabRef==1 ); exit_begin_add_column: sqlite3SrcListDelete(db, pSrc); @@ -113421,7 +116398,7 @@ static RenameToken *renameColumnTokenNext(RenameCtx *pCtx){ } /* -** An error occured while parsing or otherwise processing a database +** An error occurred while parsing or otherwise processing a database ** object (either pParse->pNewTable, pNewIndex or pNewTrigger) as part of an ** ALTER TABLE RENAME COLUMN program. The error message emitted by the ** sub-routine is currently stored in pParse->zErrMsg. This function @@ -113653,6 +116630,19 @@ static int renameEditSql( return rc; } +/* +** Set all pEList->a[].fg.eEName fields in the expression-list to val. +*/ +static void renameSetENames(ExprList *pEList, int val){ + if( pEList ){ + int i; + for(i=0; inExpr; i++){ + assert( val==ENAME_NAME || pEList->a[i].fg.eEName==ENAME_NAME ); + pEList->a[i].fg.eEName = val; + } + } +} + /* ** Resolve all symbols in the trigger at pParse->pNewTrigger, assuming ** it was read from the schema of database zDb. Return SQLITE_OK if @@ -113700,7 +116690,17 @@ static int renameResolveTrigger(Parse *pParse){ pSrc = 0; rc = SQLITE_NOMEM; }else{ + /* pStep->pExprList contains an expression-list used for an UPDATE + ** statement. So the a[].zEName values are the RHS of the + ** " = " clauses of the UPDATE statement. So, before + ** running SelectPrep(), change all the eEName values in + ** pStep->pExprList to ENAME_SPAN (from their current value of + ** ENAME_NAME). This is to prevent any ids in ON() clauses that are + ** part of pSrc from being incorrectly resolved against the + ** a[].zEName values as if they were column aliases. */ + renameSetENames(pStep->pExprList, ENAME_SPAN); sqlite3SelectPrep(pParse, pSel, 0); + renameSetENames(pStep->pExprList, ENAME_NAME); rc = pParse->nErr ? SQLITE_ERROR : SQLITE_OK; assert( pStep->pExprList==0 || pStep->pExprList==pSel->pEList ); assert( pSrc==pSel->pSrc ); @@ -114919,9 +117919,9 @@ static void openStatTable( typedef struct StatAccum StatAccum; typedef struct StatSample StatSample; struct StatSample { - tRowcnt *anEq; /* sqlite_stat4.nEq */ tRowcnt *anDLt; /* sqlite_stat4.nDLt */ #ifdef SQLITE_ENABLE_STAT4 + tRowcnt *anEq; /* sqlite_stat4.nEq */ tRowcnt *anLt; /* sqlite_stat4.nLt */ union { i64 iRowid; /* Rowid in main table of the key */ @@ -115079,9 +118079,9 @@ static void statInit( /* Allocate the space required for the StatAccum object */ n = sizeof(*p) - + sizeof(tRowcnt)*nColUp /* StatAccum.anEq */ - + sizeof(tRowcnt)*nColUp; /* StatAccum.anDLt */ + + sizeof(tRowcnt)*nColUp; /* StatAccum.anDLt */ #ifdef SQLITE_ENABLE_STAT4 + n += sizeof(tRowcnt)*nColUp; /* StatAccum.anEq */ if( mxSample ){ n += sizeof(tRowcnt)*nColUp /* StatAccum.anLt */ + sizeof(StatSample)*(nCol+mxSample) /* StatAccum.aBest[], a[] */ @@ -115102,9 +118102,9 @@ static void statInit( p->nKeyCol = nKeyCol; p->nSkipAhead = 0; p->current.anDLt = (tRowcnt*)&p[1]; - p->current.anEq = &p->current.anDLt[nColUp]; #ifdef SQLITE_ENABLE_STAT4 + p->current.anEq = &p->current.anDLt[nColUp]; p->mxSample = p->nLimit==0 ? mxSample : 0; if( mxSample ){ u8 *pSpace; /* Allocated space not yet assigned */ @@ -115371,7 +118371,9 @@ static void statPush( if( p->nRow==0 ){ /* This is the first call to this function. Do initialization. */ +#ifdef SQLITE_ENABLE_STAT4 for(i=0; inCol; i++) p->current.anEq[i] = 1; +#endif }else{ /* Second and subsequent calls get processed here */ #ifdef SQLITE_ENABLE_STAT4 @@ -115380,15 +118382,17 @@ static void statPush( /* Update anDLt[], anLt[] and anEq[] to reflect the values that apply ** to the current row of the index. */ +#ifdef SQLITE_ENABLE_STAT4 for(i=0; icurrent.anEq[i]++; } +#endif for(i=iChng; inCol; i++){ p->current.anDLt[i]++; #ifdef SQLITE_ENABLE_STAT4 if( p->mxSample ) p->current.anLt[i] += p->current.anEq[i]; -#endif p->current.anEq[i] = 1; +#endif } } @@ -115522,7 +118526,9 @@ static void statGet( u64 iVal = (p->nRow + nDistinct - 1) / nDistinct; if( iVal==2 && p->nRow*10 <= nDistinct*11 ) iVal = 1; sqlite3_str_appendf(&sStat, " %llu", iVal); +#ifdef SQLITE_ENABLE_STAT4 assert( p->current.anEq[i] ); +#endif } sqlite3ResultStrAccum(context, &sStat); } @@ -115649,11 +118655,15 @@ static void analyzeOneTable( int regIdxname = iMem++; /* Register containing index name */ int regStat1 = iMem++; /* Value for the stat column of sqlite_stat1 */ int regPrev = iMem; /* MUST BE LAST (see below) */ +#ifdef SQLITE_ENABLE_STAT4 + int doOnce = 1; /* Flag for a one-time computation */ +#endif #ifdef SQLITE_ENABLE_PREUPDATE_HOOK Table *pStat1 = 0; #endif - pParse->nMem = MAX(pParse->nMem, iMem); + sqlite3TouchRegister(pParse, iMem); + assert( sqlite3NoTempsInRange(pParse, regNewRowid, iMem) ); v = sqlite3GetVdbe(pParse); if( v==0 || NEVER(pTab==0) ){ return; @@ -115759,7 +118769,7 @@ static void analyzeOneTable( ** the regPrev array and a trailing rowid (the rowid slot is required ** when building a record to insert into the sample column of ** the sqlite_stat4 table. */ - pParse->nMem = MAX(pParse->nMem, regPrev+nColTest); + sqlite3TouchRegister(pParse, regPrev+nColTest); /* Open a read-only cursor on the index being analyzed. */ assert( iDb==sqlite3SchemaToIndex(db, pIdx->pSchema) ); @@ -115931,7 +118941,35 @@ static void analyzeOneTable( int addrIsNull; u8 seekOp = HasRowid(pTab) ? OP_NotExists : OP_NotFound; - pParse->nMem = MAX(pParse->nMem, regCol+nCol); + if( doOnce ){ + int mxCol = nCol; + Index *pX; + + /* Compute the maximum number of columns in any index */ + for(pX=pTab->pIndex; pX; pX=pX->pNext){ + int nColX; /* Number of columns in pX */ + if( !HasRowid(pTab) && IsPrimaryKeyIndex(pX) ){ + nColX = pX->nKeyCol; + }else{ + nColX = pX->nColumn; + } + if( nColX>mxCol ) mxCol = nColX; + } + + /* Allocate space to compute results for the largest index */ + sqlite3TouchRegister(pParse, regCol+mxCol); + doOnce = 0; +#ifdef SQLITE_DEBUG + /* Verify that the call to sqlite3ClearTempRegCache() below + ** really is needed. + ** https://sqlite.org/forum/forumpost/83cb4a95a0 (2023-03-25) + */ + testcase( !sqlite3NoTempsInRange(pParse, regEq, regCol+mxCol) ); +#endif + sqlite3ClearTempRegCache(pParse); /* tag-20230325-1 */ + assert( sqlite3NoTempsInRange(pParse, regEq, regCol+mxCol) ); + } + assert( sqlite3NoTempsInRange(pParse, regEq, regCol+nCol) ); addrNext = sqlite3VdbeCurrentAddr(v); callStatGet(pParse, regStat, STAT_GET_ROWID, regSampleRowid); @@ -116012,6 +119050,11 @@ static void analyzeDatabase(Parse *pParse, int iDb){ for(k=sqliteHashFirst(&pSchema->tblHash); k; k=sqliteHashNext(k)){ Table *pTab = (Table*)sqliteHashData(k); analyzeOneTable(pParse, pTab, 0, iStatCur, iMem, iTab); +#ifdef SQLITE_ENABLE_STAT4 + iMem = sqlite3FirstAvailableRegister(pParse, iMem); +#else + assert( iMem==sqlite3FirstAvailableRegister(pParse,iMem) ); +#endif } loadAnalysis(pParse, iDb); } @@ -116174,6 +119217,16 @@ static void decodeIntArray( while( z[0]!=0 && z[0]!=' ' ) z++; while( z[0]==' ' ) z++; } + + /* Set the bLowQual flag if the peak number of rows obtained + ** from a full equality match is so large that a full table scan + ** seems likely to be faster than using the index. + */ + if( aLog[0] > 66 /* Index has more than 100 rows */ + && aLog[0] <= aLog[nOut-1] /* And only a single value seen */ + ){ + pIndex->bLowQual = 1; + } } } @@ -116399,6 +119452,10 @@ static int loadStatTbl( pIdx = findIndexOrPrimaryKey(db, zIndex, zDb); assert( pIdx==0 || pIdx->nSample==0 ); if( pIdx==0 ) continue; + if( pIdx->aSample!=0 ){ + /* The same index appears in sqlite_stat4 under multiple names */ + continue; + } assert( !HasRowid(pIdx->pTable) || pIdx->nColumn==pIdx->nKeyCol+1 ); if( !HasRowid(pIdx->pTable) && IsPrimaryKeyIndex(pIdx) ){ nIdxCol = pIdx->nKeyCol; @@ -116406,6 +119463,7 @@ static int loadStatTbl( nIdxCol = pIdx->nColumn; } pIdx->nSampleCol = nIdxCol; + pIdx->mxSample = nSample; nByte = sizeof(IndexSample) * nSample; nByte += sizeof(tRowcnt) * nIdxCol * 3 * nSample; nByte += nIdxCol * sizeof(tRowcnt); /* Space for Index.aAvgEq[] */ @@ -116445,6 +119503,11 @@ static int loadStatTbl( if( zIndex==0 ) continue; pIdx = findIndexOrPrimaryKey(db, zIndex, zDb); if( pIdx==0 ) continue; + if( pIdx->nSample>=pIdx->mxSample ){ + /* Too many slots used because the same index appears in + ** sqlite_stat4 using multiple names */ + continue; + } /* This next condition is true if data has already been loaded from ** the sqlite_stat4 table. */ nCol = pIdx->nSampleCol; @@ -116457,14 +119520,15 @@ static int loadStatTbl( decodeIntArray((char*)sqlite3_column_text(pStmt,2),nCol,pSample->anLt,0,0); decodeIntArray((char*)sqlite3_column_text(pStmt,3),nCol,pSample->anDLt,0,0); - /* Take a copy of the sample. Add two 0x00 bytes the end of the buffer. + /* Take a copy of the sample. Add 8 extra 0x00 bytes the end of the buffer. ** This is in case the sample record is corrupted. In that case, the ** sqlite3VdbeRecordCompare() may read up to two varints past the ** end of the allocated buffer before it realizes it is dealing with - ** a corrupt record. Adding the two 0x00 bytes prevents this from causing + ** a corrupt record. Or it might try to read a large integer from the + ** buffer. In any case, eight 0x00 bytes prevents this from causing ** a buffer overread. */ pSample->n = sqlite3_column_bytes(pStmt, 4); - pSample->p = sqlite3DbMallocZero(db, pSample->n + 2); + pSample->p = sqlite3DbMallocZero(db, pSample->n + 8); if( pSample->p==0 ){ sqlite3_finalize(pStmt); return SQLITE_NOMEM_BKPT; @@ -116488,11 +119552,12 @@ static int loadStat4(sqlite3 *db, const char *zDb){ const Table *pStat4; assert( db->lookaside.bDisable ); - if( (pStat4 = sqlite3FindTable(db, "sqlite_stat4", zDb))!=0 + if( OptimizationEnabled(db, SQLITE_Stat4) + && (pStat4 = sqlite3FindTable(db, "sqlite_stat4", zDb))!=0 && IsOrdinaryTable(pStat4) ){ rc = loadStatTbl(db, - "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx", + "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx COLLATE nocase", "SELECT idx,neq,nlt,ndlt,sample FROM %Q.sqlite_stat4", zDb ); @@ -117421,7 +120486,7 @@ SQLITE_PRIVATE int sqlite3AuthCheck( sqlite3 *db = pParse->db; int rc; - /* Don't do any authorization checks if the database is initialising + /* Don't do any authorization checks if the database is initializing ** or if the parser is being invoked from within sqlite3_declare_vtab. */ assert( !IN_RENAME_OBJECT || db->xAuth==0 ); @@ -117722,29 +120787,26 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ pParse->nVtabLock = 0; #endif +#ifndef SQLITE_OMIT_SHARED_CACHE /* Once all the cookies have been verified and transactions opened, ** obtain the required table-locks. This is a no-op unless the ** shared-cache feature is enabled. */ - codeTableLocks(pParse); + if( pParse->nTableLock ) codeTableLocks(pParse); +#endif /* Initialize any AUTOINCREMENT data structures required. */ - sqlite3AutoincrementBegin(pParse); + if( pParse->pAinc ) sqlite3AutoincrementBegin(pParse); - /* Code constant expressions that where factored out of inner loops. - ** - ** The pConstExpr list might also contain expressions that we simply - ** want to keep around until the Parse object is deleted. Such - ** expressions have iConstExprReg==0. Do not generate code for - ** those expressions, of course. + /* Code constant expressions that were factored out of inner loops. */ if( pParse->pConstExpr ){ ExprList *pEL = pParse->pConstExpr; pParse->okConstFactor = 0; for(i=0; inExpr; i++){ - int iReg = pEL->a[i].u.iConstExprReg; - sqlite3ExprCode(pParse, pEL->a[i].pExpr, iReg); + assert( pEL->a[i].u.iConstExprReg>0 ); + sqlite3ExprCode(pParse, pEL->a[i].pExpr, pEL->a[i].u.iConstExprReg); } } @@ -118211,7 +121273,7 @@ SQLITE_PRIVATE void sqlite3ColumnSetExpr( */ SQLITE_PRIVATE Expr *sqlite3ColumnExpr(Table *pTab, Column *pCol){ if( pCol->iDflt==0 ) return 0; - if( NEVER(!IsOrdinaryTable(pTab)) ) return 0; + if( !IsOrdinaryTable(pTab) ) return 0; if( NEVER(pTab->u.tab.pDfltList==0) ) return 0; if( NEVER(pTab->u.tab.pDfltList->nExpriDflt) ) return 0; return pTab->u.tab.pDfltList->a[pCol->iDflt-1].pExpr; @@ -118243,7 +121305,7 @@ SQLITE_PRIVATE void sqlite3ColumnSetColl( } /* -** Return the collating squence name for a column +** Return the collating sequence name for a column */ SQLITE_PRIVATE const char *sqlite3ColumnColl(Column *pCol){ const char *z; @@ -118336,7 +121398,7 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ if( IsOrdinaryTable(pTable) ){ sqlite3FkDelete(db, pTable); } -#ifndef SQLITE_OMIT_VIRTUAL_TABLE +#ifndef SQLITE_OMIT_VIRTUALTABLE else if( IsVirtual(pTable) ){ sqlite3VtabClear(db, pTable); } @@ -118364,6 +121426,9 @@ SQLITE_PRIVATE void sqlite3DeleteTable(sqlite3 *db, Table *pTable){ if( db->pnBytesFreed==0 && (--pTable->nTabRef)>0 ) return; deleteTable(db, pTable); } +SQLITE_PRIVATE void sqlite3DeleteTableGeneric(sqlite3 *db, void *pTable){ + sqlite3DeleteTable(db, (Table*)pTable); +} /* @@ -118898,20 +121963,14 @@ SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table *pTab, Column *pCol){ } #endif -/* -** Name of the special TEMP trigger used to implement RETURNING. The -** name begins with "sqlite_" so that it is guaranteed not to collide -** with any application-generated triggers. -*/ -#define RETURNING_TRIGGER_NAME "sqlite_returning" - /* ** Clean up the data structures associated with the RETURNING clause. */ -static void sqlite3DeleteReturning(sqlite3 *db, Returning *pRet){ +static void sqlite3DeleteReturning(sqlite3 *db, void *pArg){ + Returning *pRet = (Returning*)pArg; Hash *pHash; pHash = &(db->aDb[1].pSchema->trigHash); - sqlite3HashInsert(pHash, RETURNING_TRIGGER_NAME, 0); + sqlite3HashInsert(pHash, pRet->zName, 0); sqlite3ExprListDelete(db, pRet->pReturnEL); sqlite3DbFree(db, pRet); } @@ -118950,11 +122009,12 @@ SQLITE_PRIVATE void sqlite3AddReturning(Parse *pParse, ExprList *pList){ pParse->u1.pReturning = pRet; pRet->pParse = pParse; pRet->pReturnEL = pList; - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3DeleteReturning, pRet); + sqlite3ParserAddCleanup(pParse, sqlite3DeleteReturning, pRet); testcase( pParse->earlyCleanup ); if( db->mallocFailed ) return; - pRet->retTrig.zName = RETURNING_TRIGGER_NAME; + sqlite3_snprintf(sizeof(pRet->zName), pRet->zName, + "sqlite_returning_%p", pParse); + pRet->retTrig.zName = pRet->zName; pRet->retTrig.op = TK_RETURNING; pRet->retTrig.tr_tm = TRIGGER_AFTER; pRet->retTrig.bReturning = 1; @@ -118965,9 +122025,9 @@ SQLITE_PRIVATE void sqlite3AddReturning(Parse *pParse, ExprList *pList){ pRet->retTStep.pTrig = &pRet->retTrig; pRet->retTStep.pExprList = pList; pHash = &(db->aDb[1].pSchema->trigHash); - assert( sqlite3HashFind(pHash, RETURNING_TRIGGER_NAME)==0 + assert( sqlite3HashFind(pHash, pRet->zName)==0 || pParse->nErr || pParse->ifNotExists ); - if( sqlite3HashInsert(pHash, RETURNING_TRIGGER_NAME, &pRet->retTrig) + if( sqlite3HashInsert(pHash, pRet->zName, &pRet->retTrig) ==&pRet->retTrig ){ sqlite3OomFault(db); } @@ -119001,7 +122061,7 @@ SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token sName, Token sType){ } if( !IN_RENAME_OBJECT ) sqlite3DequoteToken(&sName); - /* Because keywords GENERATE ALWAYS can be converted into indentifiers + /* Because keywords GENERATE ALWAYS can be converted into identifiers ** by the parser, we can sometimes end up with a typename that ends ** with "generated always". Check for this case and omit the surplus ** text. */ @@ -119148,7 +122208,8 @@ SQLITE_PRIVATE char sqlite3AffinityType(const char *zIn, Column *pCol){ assert( zIn!=0 ); while( zIn[0] ){ - h = (h<<8) + sqlite3UpperToLower[(*zIn)&0xff]; + u8 x = *(u8*)zIn; + h = (h<<8) + sqlite3UpperToLower[x]; zIn++; if( h==(('c'<<24)+('h'<<16)+('a'<<8)+'r') ){ /* CHAR */ aff = SQLITE_AFF_TEXT; @@ -119222,7 +122283,7 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( Parse *pParse, /* Parsing context */ Expr *pExpr, /* The parsed expression of the default value */ const char *zStart, /* Start of the default value text */ - const char *zEnd /* First character past end of defaut value text */ + const char *zEnd /* First character past end of default value text */ ){ Table *p; Column *pCol; @@ -119570,7 +122631,7 @@ static int identLength(const char *z){ ** to the specified offset in the buffer and updates *pIdx to refer ** to the first byte after the last byte written before returning. ** -** If the string zSignedIdent consists entirely of alpha-numeric +** If the string zSignedIdent consists entirely of alphanumeric ** characters, does not begin with a digit and is not an SQL keyword, ** then it is copied to the output buffer exactly as it is. Otherwise, ** it is quoted using double-quotes. @@ -119722,7 +122783,7 @@ static void estimateIndexWidth(Index *pIdx){ for(i=0; inColumn; i++){ i16 x = pIdx->aiColumn[i]; assert( xpTable->nCol ); - wIndex += x<0 ? 1 : aCol[pIdx->aiColumn[i]].szEst; + wIndex += x<0 ? 1 : aCol[x].szEst; } pIdx->szIdxRow = sqlite3LogEst(wIndex*4); } @@ -120411,6 +123472,17 @@ SQLITE_PRIVATE void sqlite3EndTable( /* Reparse everything to update our internal data structures */ sqlite3VdbeAddParseSchemaOp(v, iDb, sqlite3MPrintf(db, "tbl_name='%q' AND type!='trigger'", p->zName),0); + + /* Test for cycles in generated columns and illegal expressions + ** in CHECK constraints and in DEFAULT clauses. */ + if( p->tabFlags & TF_HasGenerated ){ + sqlite3VdbeAddOp4(v, OP_SqlExec, 1, 0, 0, + sqlite3MPrintf(db, "SELECT*FROM\"%w\".\"%w\"", + db->aDb[iDb].zDbSName, p->zName), P4_DYNAMIC); + } + sqlite3VdbeAddOp4(v, OP_SqlExec, 1, 0, 0, + sqlite3MPrintf(db, "PRAGMA \"%w\".integrity_check(%Q)", + db->aDb[iDb].zDbSName, p->zName), P4_DYNAMIC); } /* Add the table to the in-memory representation of the database. @@ -121460,7 +124532,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( #ifndef SQLITE_OMIT_TEMPDB /* If the index name was unqualified, check if the table ** is a temp table. If so, set the database to 1. Do not do this - ** if initialising a database schema. + ** if initializing a database schema. */ if( !db->init.busy ){ pTab = sqlite3SrcListLookup(pParse, pTblName); @@ -123002,7 +126074,7 @@ SQLITE_PRIVATE void sqlite3Reindex(Parse *pParse, Token *pName1, Token *pName2){ if( iDb<0 ) return; z = sqlite3NameFromToken(db, pObjName); if( z==0 ) return; - zDb = db->aDb[iDb].zDbSName; + zDb = pName2->n ? db->aDb[iDb].zDbSName : 0; pTab = sqlite3FindTable(db, z, zDb); if( pTab ){ reindexTable(pParse, pTab, 0); @@ -123012,6 +126084,7 @@ SQLITE_PRIVATE void sqlite3Reindex(Parse *pParse, Token *pName1, Token *pName2){ pIndex = sqlite3FindIndex(db, z, zDb); sqlite3DbFree(db, z); if( pIndex ){ + iDb = sqlite3SchemaToIndex(db, pIndex->pTable->pSchema); sqlite3BeginWriteOperation(pParse, 0, iDb); sqlite3RefillIndex(pParse, pIndex, -1); return; @@ -123117,7 +126190,7 @@ SQLITE_PRIVATE void sqlite3CteDelete(sqlite3 *db, Cte *pCte){ /* ** This routine is invoked once per CTE by the parser while parsing a -** WITH clause. The CTE described by teh third argument is added to +** WITH clause. The CTE described by the third argument is added to ** the WITH clause of the second argument. If the second argument is ** NULL, then a new WITH argument is created. */ @@ -123177,6 +126250,9 @@ SQLITE_PRIVATE void sqlite3WithDelete(sqlite3 *db, With *pWith){ sqlite3DbFree(db, pWith); } } +SQLITE_PRIVATE void sqlite3WithDeleteGeneric(sqlite3 *db, void *pWith){ + sqlite3WithDelete(db, (With*)pWith); +} #endif /* !defined(SQLITE_OMIT_CTE) */ /************** End of build.c ***********************************************/ @@ -123368,6 +126444,7 @@ SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8 enc){ ** strings is BINARY. */ db->pDfltColl = sqlite3FindCollSeq(db, enc, sqlite3StrBINARY, 0); + sqlite3ExpirePreparedStatements(db, 1); } /* @@ -123758,8 +126835,9 @@ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ Table *pTab; assert( pItem && pSrc->nSrc>=1 ); pTab = sqlite3LocateTableItem(pParse, 0, pItem); - sqlite3DeleteTable(pParse->db, pItem->pTab); + if( pItem->pTab ) sqlite3DeleteTable(pParse->db, pItem->pTab); pItem->pTab = pTab; + pItem->fg.notCte = 1; if( pTab ){ pTab->nTabRef++; if( pItem->fg.isIndexedBy && sqlite3IndexedByLookup(pParse, pItem) ){ @@ -123839,13 +126917,15 @@ static int tabIsReadOnly(Parse *pParse, Table *pTab){ ** If pTab is writable but other errors have occurred -> return 1. ** If pTab is writable and no prior errors -> return 0; */ -SQLITE_PRIVATE int sqlite3IsReadOnly(Parse *pParse, Table *pTab, int viewOk){ +SQLITE_PRIVATE int sqlite3IsReadOnly(Parse *pParse, Table *pTab, Trigger *pTrigger){ if( tabIsReadOnly(pParse, pTab) ){ sqlite3ErrorMsg(pParse, "table %s may not be modified", pTab->zName); return 1; } #ifndef SQLITE_OMIT_VIEW - if( !viewOk && IsView(pTab) ){ + if( IsView(pTab) + && (pTrigger==0 || (pTrigger->bReturning && pTrigger->pNext==0)) + ){ sqlite3ErrorMsg(pParse,"cannot modify %s because it is a view",pTab->zName); return 1; } @@ -123910,7 +126990,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( sqlite3 *db = pParse->db; Expr *pLhs = NULL; /* LHS of IN(SELECT...) operator */ Expr *pInClause = NULL; /* WHERE rowid IN ( select ) */ - ExprList *pEList = NULL; /* Expression list contaning only pSelectRowid */ + ExprList *pEList = NULL; /* Expression list containing only pSelectRowid*/ SrcList *pSelectSrc = NULL; /* SELECT rowid FROM x ... (dup of pSrc) */ Select *pSelect = NULL; /* Complete SELECT tree */ Table *pTab; @@ -123948,14 +127028,20 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( ); }else{ Index *pPk = sqlite3PrimaryKeyIndex(pTab); + assert( pPk!=0 ); + assert( pPk->nKeyCol>=1 ); if( pPk->nKeyCol==1 ){ - const char *zName = pTab->aCol[pPk->aiColumn[0]].zCnName; + const char *zName; + assert( pPk->aiColumn[0]>=0 && pPk->aiColumn[0]nCol ); + zName = pTab->aCol[pPk->aiColumn[0]].zCnName; pLhs = sqlite3Expr(db, TK_ID, zName); pEList = sqlite3ExprListAppend(pParse, 0, sqlite3Expr(db, TK_ID, zName)); }else{ int i; for(i=0; inKeyCol; i++){ - Expr *p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zCnName); + Expr *p; + assert( pPk->aiColumn[i]>=0 && pPk->aiColumn[i]nCol ); + p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zCnName); pEList = sqlite3ExprListAppend(pParse, pEList, p); } pLhs = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); @@ -123984,7 +127070,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( pOrderBy,0,pLimit ); - /* now generate the new WHERE rowid IN clause for the DELETE/UDPATE */ + /* now generate the new WHERE rowid IN clause for the DELETE/UPDATE */ pInClause = sqlite3PExpr(pParse, TK_IN, pLhs, 0); sqlite3PExprAddSelect(pParse, pInClause, pSelect); return pInClause; @@ -124099,7 +127185,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( goto delete_from_cleanup; } - if( sqlite3IsReadOnly(pParse, pTab, (pTrigger?1:0)) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto delete_from_cleanup; } iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -124213,7 +127299,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( HasRowid(pTab) ){ /* For a rowid table, initialize the RowSet to an empty set */ pPk = 0; - nPk = 1; + assert( nPk==1 ); iRowSet = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Null, 0, iRowSet); }else{ @@ -124241,7 +127327,8 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( pWInfo==0 ) goto delete_from_cleanup; eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass); assert( IsVirtual(pTab)==0 || eOnePass!=ONEPASS_MULTI ); - assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF ); + assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF + || OptimizationDisabled(db, SQLITE_OnePass) ); if( eOnePass!=ONEPASS_SINGLE ) sqlite3MultiWrite(pParse); if( sqlite3WhereUsesDeferredSeek(pWInfo) ){ sqlite3VdbeAddOp1(v, OP_FinishSeek, iTabCur); @@ -124578,9 +127665,11 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( sqlite3FkActions(pParse, pTab, 0, iOld, 0, 0); /* Invoke AFTER DELETE trigger programs. */ - sqlite3CodeRowTrigger(pParse, pTrigger, - TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel - ); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, + TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel + ); + } /* Jump here if the row had already been deleted before any BEFORE ** trigger programs were invoked. Or if a trigger program throws a @@ -124893,6 +127982,42 @@ static void lengthFunc( } } +/* +** Implementation of the octet_length() function +*/ +static void bytelengthFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( argc==1 ); + UNUSED_PARAMETER(argc); + switch( sqlite3_value_type(argv[0]) ){ + case SQLITE_BLOB: { + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + break; + } + case SQLITE_INTEGER: + case SQLITE_FLOAT: { + i64 m = sqlite3_context_db_handle(context)->enc<=SQLITE_UTF8 ? 1 : 2; + sqlite3_result_int64(context, sqlite3_value_bytes(argv[0])*m); + break; + } + case SQLITE_TEXT: { + if( sqlite3_value_encoding(argv[0])<=SQLITE_UTF8 ){ + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + }else{ + sqlite3_result_int(context, sqlite3_value_bytes16(argv[0])); + } + break; + } + default: { + sqlite3_result_null(context); + break; + } + } +} + /* ** Implementation of the abs() function. ** @@ -125169,7 +128294,7 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ }else if( n==0 ){ r = (double)((sqlite_int64)(r+(r<0?-0.5:+0.5))); }else{ - zBuf = sqlite3_mprintf("%.*f",n,r); + zBuf = sqlite3_mprintf("%!.*f",n,r); if( zBuf==0 ){ sqlite3_result_error_nomem(context); return; @@ -125369,7 +128494,7 @@ struct compareInfo { /* ** For LIKE and GLOB matching on EBCDIC machines, assume that every -** character is exactly one byte in size. Also, provde the Utf8Read() +** character is exactly one byte in size. Also, provide the Utf8Read() ** macro for fast reading of the next character in the common case where ** the next character is ASCII. */ @@ -125602,7 +128727,7 @@ SQLITE_API int sqlite3_like_count = 0; /* ** Implementation of the like() SQL function. This function implements -** the build-in LIKE operator. The first argument to the function is the +** the built-in LIKE operator. The first argument to the function is the ** pattern and the second argument is the string. So, the SQL statements: ** ** A LIKE B @@ -125935,6 +129060,7 @@ static void charFunc( *zOut++ = 0x80 + (u8)(c & 0x3F); } \ } + *zOut = 0; sqlite3_result_text64(context, (char*)z, zOut-z, sqlite3_free, SQLITE_UTF8); } @@ -125963,7 +129089,8 @@ static void hexFunc( *(z++) = hexdigits[c&0xf]; } *z = 0; - sqlite3_result_text(context, zHex, n*2, sqlite3_free); + sqlite3_result_text64(context, zHex, (u64)(z-zHex), + sqlite3_free, SQLITE_UTF8); } } @@ -125988,7 +129115,7 @@ static int strContainsChar(const u8 *zStr, int nStr, u32 ch){ ** decoded and returned as a blob. ** ** If there is only a single argument, then it must consist only of an -** even number of hexadeximal digits. Otherwise, return NULL. +** even number of hexadecimal digits. Otherwise, return NULL. ** ** Or, if there is a second argument, then any character that appears in ** the second argument is also allowed to appear between pairs of hexadecimal @@ -126257,12 +129384,87 @@ static void trimFunc( sqlite3_result_text(context, (char*)zIn, nIn, SQLITE_TRANSIENT); } +/* The core implementation of the CONCAT(...) and CONCAT_WS(SEP,...) +** functions. +** +** Return a string value that is the concatenation of all non-null +** entries in argv[]. Use zSep as the separator. +*/ +static void concatFuncCore( + sqlite3_context *context, + int argc, + sqlite3_value **argv, + int nSep, + const char *zSep +){ + i64 j, k, n = 0; + int i; + char *z; + for(i=0; i0 ){ + const char *v = (const char*)sqlite3_value_text(argv[i]); + if( v!=0 ){ + if( j>0 && nSep>0 ){ + memcpy(&z[j], zSep, nSep); + j += nSep; + } + memcpy(&z[j], v, k); + j += k; + } + } + } + z[j] = 0; + assert( j<=n ); + sqlite3_result_text64(context, z, j, sqlite3_free, SQLITE_UTF8); +} + +/* +** The CONCAT(...) function. Generate a string result that is the +** concatentation of all non-null arguments. +*/ +static void concatFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + concatFuncCore(context, argc, argv, 0, ""); +} + +/* +** The CONCAT_WS(separator, ...) function. +** +** Generate a string that is the concatenation of 2nd through the Nth +** argument. Use the first argument (which must be non-NULL) as the +** separator. +*/ +static void concatwsFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + int nSep = sqlite3_value_bytes(argv[0]); + const char *zSep = (const char*)sqlite3_value_text(argv[0]); + if( zSep==0 ) return; + concatFuncCore(context, argc-1, argv+1, nSep, zSep); +} + #ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION /* ** The "unknown" function is automatically substituted in place of ** any unrecognized function name when doing an EXPLAIN or EXPLAIN QUERY PLAN -** when the SQLITE_ENABLE_UNKNOWN_FUNCTION compile-time option is used. +** when the SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION compile-time option is used. ** When the "sqlite3" command-line shell is built using this functionality, ** that allows an EXPLAIN or EXPLAIN QUERY PLAN for complex queries ** involving application-defined functions to be examined in a generic @@ -126378,13 +129580,68 @@ static void loadExt(sqlite3_context *context, int argc, sqlite3_value **argv){ */ typedef struct SumCtx SumCtx; struct SumCtx { - double rSum; /* Floating point sum */ - i64 iSum; /* Integer sum */ + double rSum; /* Running sum as as a double */ + double rErr; /* Error term for Kahan-Babushka-Neumaier summation */ + i64 iSum; /* Running sum as a signed integer */ i64 cnt; /* Number of elements summed */ - u8 overflow; /* True if integer overflow seen */ - u8 approx; /* True if non-integer value was input to the sum */ + u8 approx; /* True if any non-integer value was input to the sum */ + u8 ovrfl; /* Integer overflow seen */ }; +/* +** Do one step of the Kahan-Babushka-Neumaier summation. +** +** https://en.wikipedia.org/wiki/Kahan_summation_algorithm +** +** Variables are marked "volatile" to defeat c89 x86 floating point +** optimizations can mess up this algorithm. +*/ +static void kahanBabuskaNeumaierStep( + volatile SumCtx *pSum, + volatile double r +){ + volatile double s = pSum->rSum; + volatile double t = s + r; + if( fabs(s) > fabs(r) ){ + pSum->rErr += (s - t) + r; + }else{ + pSum->rErr += (r - t) + s; + } + pSum->rSum = t; +} + +/* +** Add a (possibly large) integer to the running sum. +*/ +static void kahanBabuskaNeumaierStepInt64(volatile SumCtx *pSum, i64 iVal){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iBig, iSm; + iSm = iVal % 16384; + iBig = iVal - iSm; + kahanBabuskaNeumaierStep(pSum, iBig); + kahanBabuskaNeumaierStep(pSum, iSm); + }else{ + kahanBabuskaNeumaierStep(pSum, (double)iVal); + } +} + +/* +** Initialize the Kahan-Babaska-Neumaier sum from a 64-bit integer +*/ +static void kahanBabuskaNeumaierInit( + volatile SumCtx *p, + i64 iVal +){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iSm = iVal % 16384; + p->rSum = (double)(iVal - iSm); + p->rErr = (double)iSm; + }else{ + p->rSum = (double)iVal; + p->rErr = 0.0; + } +} + /* ** Routines used to compute the sum, average, and total. ** @@ -126404,15 +129661,29 @@ static void sumStep(sqlite3_context *context, int argc, sqlite3_value **argv){ type = sqlite3_value_numeric_type(argv[0]); if( p && type!=SQLITE_NULL ){ p->cnt++; - if( type==SQLITE_INTEGER ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum += v; - if( (p->approx|p->overflow)==0 && sqlite3AddInt64(&p->iSum, v) ){ - p->approx = p->overflow = 1; + if( p->approx==0 ){ + if( type!=SQLITE_INTEGER ){ + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + }else{ + i64 x = p->iSum; + if( sqlite3AddInt64(&x, sqlite3_value_int64(argv[0]))==0 ){ + p->iSum = x; + }else{ + p->ovrfl = 1; + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + } } }else{ - p->rSum += sqlite3_value_double(argv[0]); - p->approx = 1; + if( type==SQLITE_INTEGER ){ + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + }else{ + p->ovrfl = 0; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + } } } } @@ -126429,13 +129700,18 @@ static void sumInverse(sqlite3_context *context, int argc, sqlite3_value**argv){ if( ALWAYS(p) && type!=SQLITE_NULL ){ assert( p->cnt>0 ); p->cnt--; - assert( type==SQLITE_INTEGER || p->approx ); - if( type==SQLITE_INTEGER && p->approx==0 ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum -= v; - p->iSum -= v; + if( !p->approx ){ + p->iSum -= sqlite3_value_int64(argv[0]); + }else if( type==SQLITE_INTEGER ){ + i64 iVal = sqlite3_value_int64(argv[0]); + if( iVal!=SMALLEST_INT64 ){ + kahanBabuskaNeumaierStepInt64(p, -iVal); + }else{ + kahanBabuskaNeumaierStepInt64(p, LARGEST_INT64); + kahanBabuskaNeumaierStepInt64(p, 1); + } }else{ - p->rSum -= sqlite3_value_double(argv[0]); + kahanBabuskaNeumaierStep(p, -sqlite3_value_double(argv[0])); } } } @@ -126446,10 +129722,14 @@ static void sumFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - if( p->overflow ){ - sqlite3_result_error(context,"integer overflow",-1); - }else if( p->approx ){ - sqlite3_result_double(context, p->rSum); + if( p->approx ){ + if( p->ovrfl ){ + sqlite3_result_error(context,"integer overflow",-1); + }else if( !sqlite3IsNaN(p->rErr) ){ + sqlite3_result_double(context, p->rSum+p->rErr); + }else{ + sqlite3_result_double(context, p->rSum); + } }else{ sqlite3_result_int64(context, p->iSum); } @@ -126459,14 +129739,29 @@ static void avgFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - sqlite3_result_double(context, p->rSum/(double)p->cnt); + double r; + if( p->approx ){ + r = p->rSum; + if( !sqlite3IsNaN(p->rErr) ) r += p->rErr; + }else{ + r = (double)(p->iSum); + } + sqlite3_result_double(context, r/(double)p->cnt); } } static void totalFinalize(sqlite3_context *context){ SumCtx *p; + double r = 0.0; p = sqlite3_aggregate_context(context, 0); - /* (double)0 In case of SQLITE_OMIT_FLOATING_POINT... */ - sqlite3_result_double(context, p ? p->rSum : (double)0); + if( p ){ + if( p->approx ){ + r = p->rSum; + if( !sqlite3IsNaN(p->rErr) ) r += p->rErr; + }else{ + r = (double)(p->iSum); + } + } + sqlite3_result_double(context, r); } /* @@ -126585,6 +129880,7 @@ static void minMaxFinalize(sqlite3_context *context){ /* ** group_concat(EXPR, ?SEPARATOR?) +** string_agg(EXPR, SEPARATOR) ** ** The SEPARATOR goes before the EXPR string. This is tragic. The ** groupConcatInverse() implementation would have been easier if the @@ -126688,7 +129984,7 @@ static void groupConcatInverse( if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; pGCC = (GroupConcatCtx*)sqlite3_aggregate_context(context, sizeof(*pGCC)); /* pGCC is always non-NULL since groupConcatStep() will have always - ** run frist to initialize it */ + ** run first to initialize it */ if( ALWAYS(pGCC) ){ int nVS; /* Must call sqlite3_value_text() to convert the argument into text prior @@ -126772,8 +130068,10 @@ SQLITE_PRIVATE void sqlite3RegisterPerConnectionBuiltinFunctions(sqlite3 *db){ ** sensitive. */ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive){ + FuncDef *pDef; struct compareInfo *pInfo; int flags; + int nArg; if( caseSensitive ){ pInfo = (struct compareInfo*)&likeInfoAlt; flags = SQLITE_FUNC_LIKE | SQLITE_FUNC_CASE; @@ -126781,10 +130079,13 @@ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive) pInfo = (struct compareInfo*)&likeInfoNorm; flags = SQLITE_FUNC_LIKE; } - sqlite3CreateFunc(db, "like", 2, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3CreateFunc(db, "like", 3, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3FindFunction(db, "like", 2, SQLITE_UTF8, 0)->funcFlags |= flags; - sqlite3FindFunction(db, "like", 3, SQLITE_UTF8, 0)->funcFlags |= flags; + for(nArg=2; nArg<=3; nArg++){ + sqlite3CreateFunc(db, "like", nArg, SQLITE_UTF8, pInfo, likeFunc, + 0, 0, 0, 0, 0); + pDef = sqlite3FindFunction(db, "like", nArg, SQLITE_UTF8, 0); + pDef->funcFlags |= flags; + pDef->funcFlags &= ~SQLITE_FUNC_UNSAFE; + } } /* @@ -127056,6 +130357,37 @@ static void signFunc( sqlite3_result_int(context, x<0.0 ? -1 : x>0.0 ? +1 : 0); } +#ifdef SQLITE_DEBUG +/* +** Implementation of fpdecode(x,y,z) function. +** +** x is a real number that is to be decoded. y is the precision. +** z is the maximum real precision. +*/ +static void fpdecodeFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + FpDecode s; + double x; + int y, z; + char zBuf[100]; + UNUSED_PARAMETER(argc); + assert( argc==3 ); + x = sqlite3_value_double(argv[0]); + y = sqlite3_value_int(argv[1]); + z = sqlite3_value_int(argv[2]); + sqlite3FpDecode(&s, x, y, z); + if( s.isSpecial==2 ){ + sqlite3_snprintf(sizeof(zBuf), zBuf, "NaN"); + }else{ + sqlite3_snprintf(sizeof(zBuf), zBuf, "%c%.*s/%d", s.sign, s.n, s.z, s.iDP); + } + sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); +} +#endif /* SQLITE_DEBUG */ + /* ** All of the FuncDef structures in the aBuiltinFunc[] array above ** to the global function hash table. This occurs at start-time (as @@ -127120,12 +130452,16 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION2(typeof, 1, 0, 0, typeofFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(subtype, 1, 0, 0, subtypeFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(length, 1, 0, 0, lengthFunc, SQLITE_FUNC_LENGTH), + FUNCTION2(octet_length, 1, 0, 0, bytelengthFunc,SQLITE_FUNC_BYTELEN), FUNCTION(instr, 2, 0, 0, instrFunc ), FUNCTION(printf, -1, 0, 0, printfFunc ), FUNCTION(format, -1, 0, 0, printfFunc ), FUNCTION(unicode, 1, 0, 0, unicodeFunc ), FUNCTION(char, -1, 0, 0, charFunc ), FUNCTION(abs, 1, 0, 0, absFunc ), +#ifdef SQLITE_DEBUG + FUNCTION(fpdecode, 3, 0, 0, fpdecodeFunc ), +#endif #ifndef SQLITE_OMIT_FLOATING_POINT FUNCTION(round, 1, 0, 0, roundFunc ), FUNCTION(round, 2, 0, 0, roundFunc ), @@ -127135,6 +130471,11 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(hex, 1, 0, 0, hexFunc ), FUNCTION(unhex, 1, 0, 0, unhexFunc ), FUNCTION(unhex, 2, 0, 0, unhexFunc ), + FUNCTION(concat, -1, 0, 0, concatFunc ), + FUNCTION(concat, 0, 0, 0, 0 ), + FUNCTION(concat_ws, -1, 0, 0, concatwsFunc ), + FUNCTION(concat_ws, 0, 0, 0, 0 ), + FUNCTION(concat_ws, 1, 0, 0, 0 ), INLINE_FUNC(ifnull, 2, INLINEFUNC_coalesce, 0 ), VFUNCTION(random, 0, 0, 0, randomFunc ), VFUNCTION(randomblob, 1, 0, 0, randomBlob ), @@ -127164,6 +130505,8 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), WAGGREGATE(group_concat, 2, 0, 0, groupConcatStep, groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), + WAGGREGATE(string_agg, 2, 0, 0, groupConcatStep, + groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), LIKEFUNC(glob, 2, &globInfo, SQLITE_FUNC_LIKE|SQLITE_FUNC_CASE), #ifdef SQLITE_CASE_SENSITIVE_LIKE @@ -128106,6 +131449,7 @@ static int isSetNullAction(Parse *pParse, FKey *pFKey){ if( (p==pFKey->apTrigger[0] && pFKey->aAction[0]==OE_SetNull) || (p==pFKey->apTrigger[1] && pFKey->aAction[1]==OE_SetNull) ){ + assert( (pTop->db->flags & SQLITE_FkNoAction)==0 ); return 1; } } @@ -128300,6 +131644,8 @@ SQLITE_PRIVATE void sqlite3FkCheck( } if( regOld!=0 ){ int eAction = pFKey->aAction[aChange!=0]; + if( (db->flags & SQLITE_FkNoAction) ) eAction = OE_None; + fkScanChildren(pParse, pSrc, pTab, pIdx, pFKey, aiCol, regOld, 1); /* If this is a deferred FK constraint, or a CASCADE or SET NULL ** action applies, then any foreign key violations caused by @@ -128415,7 +131761,11 @@ SQLITE_PRIVATE int sqlite3FkRequired( /* Check if any parent key columns are being modified. */ for(p=sqlite3FkReferences(pTab); p; p=p->pNextTo){ if( fkParentIsModified(pTab, p, aChange, chngRowid) ){ - if( p->aAction[1]!=OE_None ) return 2; + if( (pParse->db->flags & SQLITE_FkNoAction)==0 + && p->aAction[1]!=OE_None + ){ + return 2; + } bHaveFK = 1; } } @@ -128465,6 +131815,7 @@ static Trigger *fkActionTrigger( int iAction = (pChanges!=0); /* 1 for UPDATE, 0 for DELETE */ action = pFKey->aAction[iAction]; + if( (db->flags & SQLITE_FkNoAction) ) action = OE_None; if( action==OE_Restrict && (db->flags & SQLITE_DeferFKs) ){ return 0; } @@ -128565,22 +131916,22 @@ static Trigger *fkActionTrigger( if( action==OE_Restrict ){ int iDb = sqlite3SchemaToIndex(db, pTab->pSchema); - Token tFrom; - Token tDb; + SrcList *pSrc; Expr *pRaise; - tFrom.z = zFrom; - tFrom.n = nFrom; - tDb.z = db->aDb[iDb].zDbSName; - tDb.n = sqlite3Strlen30(tDb.z); - pRaise = sqlite3Expr(db, TK_RAISE, "FOREIGN KEY constraint failed"); if( pRaise ){ pRaise->affExpr = OE_Abort; } + pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); + if( pSrc ){ + assert( pSrc->nSrc==1 ); + pSrc->a[0].zName = sqlite3DbStrDup(db, zFrom); + pSrc->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName); + } pSelect = sqlite3SelectNew(pParse, sqlite3ExprListAppend(pParse, 0, pRaise), - sqlite3SrcListAppend(pParse, 0, &tDb, &tFrom), + pSrc, pWhere, 0, 0, 0, 0, 0 ); @@ -128696,9 +132047,8 @@ SQLITE_PRIVATE void sqlite3FkDelete(sqlite3 *db, Table *pTab){ if( pFKey->pPrevTo ){ pFKey->pPrevTo->pNextTo = pFKey->pNextTo; }else{ - void *p = (void *)pFKey->pNextTo; - const char *z = (p ? pFKey->pNextTo->zTo : pFKey->zTo); - sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, p); + const char *z = (pFKey->pNextTo ? pFKey->pNextTo->zTo : pFKey->zTo); + sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, pFKey->pNextTo); } if( pFKey->pNextTo ){ pFKey->pNextTo->pPrevTo = pFKey->pPrevTo; @@ -128761,8 +132111,10 @@ SQLITE_PRIVATE void sqlite3OpenTable( assert( pParse->pVdbe!=0 ); v = pParse->pVdbe; assert( opcode==OP_OpenWrite || opcode==OP_OpenRead ); - sqlite3TableLock(pParse, iDb, pTab->tnum, - (opcode==OP_OpenWrite)?1:0, pTab->zName); + if( !pParse->db->noSharedCache ){ + sqlite3TableLock(pParse, iDb, pTab->tnum, + (opcode==OP_OpenWrite)?1:0, pTab->zName); + } if( HasRowid(pTab) ){ sqlite3VdbeAddOp4Int(v, opcode, iCur, pTab->tnum, iDb, pTab->nNVCol); VdbeComment((v, "%s", pTab->zName)); @@ -128796,45 +132148,47 @@ SQLITE_PRIVATE void sqlite3OpenTable( ** is managed along with the rest of the Index structure. It will be ** released when sqlite3DeleteIndex() is called. */ -SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ +static SQLITE_NOINLINE const char *computeIndexAffStr(sqlite3 *db, Index *pIdx){ + /* The first time a column affinity string for a particular index is + ** required, it is allocated and populated here. It is then stored as + ** a member of the Index structure for subsequent use. + ** + ** The column affinity string will eventually be deleted by + ** sqliteDeleteIndex() when the Index structure itself is cleaned + ** up. + */ + int n; + Table *pTab = pIdx->pTable; + pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+1); if( !pIdx->zColAff ){ - /* The first time a column affinity string for a particular index is - ** required, it is allocated and populated here. It is then stored as - ** a member of the Index structure for subsequent use. - ** - ** The column affinity string will eventually be deleted by - ** sqliteDeleteIndex() when the Index structure itself is cleaned - ** up. - */ - int n; - Table *pTab = pIdx->pTable; - pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+1); - if( !pIdx->zColAff ){ - sqlite3OomFault(db); - return 0; - } - for(n=0; nnColumn; n++){ - i16 x = pIdx->aiColumn[n]; - char aff; - if( x>=0 ){ - aff = pTab->aCol[x].affinity; - }else if( x==XN_ROWID ){ - aff = SQLITE_AFF_INTEGER; - }else{ - assert( x==XN_EXPR ); - assert( pIdx->bHasExpr ); - assert( pIdx->aColExpr!=0 ); - aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr); - } - if( affSQLITE_AFF_NUMERIC) aff = SQLITE_AFF_NUMERIC; - pIdx->zColAff[n] = aff; - } - pIdx->zColAff[n] = 0; + sqlite3OomFault(db); + return 0; } - + for(n=0; nnColumn; n++){ + i16 x = pIdx->aiColumn[n]; + char aff; + if( x>=0 ){ + aff = pTab->aCol[x].affinity; + }else if( x==XN_ROWID ){ + aff = SQLITE_AFF_INTEGER; + }else{ + assert( x==XN_EXPR ); + assert( pIdx->bHasExpr ); + assert( pIdx->aColExpr!=0 ); + aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr); + } + if( affSQLITE_AFF_NUMERIC) aff = SQLITE_AFF_NUMERIC; + pIdx->zColAff[n] = aff; + } + pIdx->zColAff[n] = 0; return pIdx->zColAff; } +SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ + if( !pIdx->zColAff ) return computeIndexAffStr(db, pIdx); + return pIdx->zColAff; +} + /* ** Compute an affinity string for a table. Space is obtained @@ -128889,7 +132243,7 @@ SQLITE_PRIVATE char *sqlite3TableAffinityStr(sqlite3 *db, const Table *pTab){ ** For STRICT tables: ** ------------------ ** -** Generate an appropropriate OP_TypeCheck opcode that will verify the +** Generate an appropriate OP_TypeCheck opcode that will verify the ** datatypes against the column definitions in pTab. If iReg==0, that ** means an OP_MakeRecord opcode has already been generated and should be ** the last opcode generated. The new OP_TypeCheck needs to be inserted @@ -129520,7 +132874,7 @@ SQLITE_PRIVATE void sqlite3Insert( /* Cannot insert into a read-only table. */ - if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto insert_cleanup; } @@ -129967,7 +133321,7 @@ SQLITE_PRIVATE void sqlite3Insert( } /* Copy the new data already generated. */ - assert( pTab->nNVCol>0 ); + assert( pTab->nNVCol>0 || pParse->nErr>0 ); sqlite3VdbeAddOp3(v, OP_Copy, regRowid+1, regCols+1, pTab->nNVCol-1); #ifndef SQLITE_OMIT_GENERATED_COLUMNS @@ -130181,7 +133535,7 @@ insert_cleanup: /* This is the Walker callback from sqlite3ExprReferencesUpdatedColumn(). * Set bit 0x01 of pWalker->eCode if pWalker->eCode to 0 and if this ** expression node references any of the -** columns that are being modifed by an UPDATE statement. +** columns that are being modified by an UPDATE statement. */ static int checkConstraintExprNode(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_COLUMN ){ @@ -130404,7 +133758,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int *aiChng, /* column i is unchanged if aiChng[i]<0 */ Upsert *pUpsert /* ON CONFLICT clauses, if any. NULL otherwise */ ){ - Vdbe *v; /* VDBE under constrution */ + Vdbe *v; /* VDBE under construction */ Index *pIdx; /* Pointer to one of the indices */ Index *pPk = 0; /* The PRIMARY KEY index for WITHOUT ROWID tables */ sqlite3 *db; /* Database connection */ @@ -130887,7 +134241,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( pIdx; pIdx = indexIteratorNext(&sIdxIter, &ix) ){ - int regIdx; /* Range of registers hold conent for pIdx */ + int regIdx; /* Range of registers holding content for pIdx */ int regR; /* Range of registers holding conflicting PK */ int iThisCur; /* Cursor for this UNIQUE index */ int addrUniqueOk; /* Jump here if the UNIQUE constraint is satisfied */ @@ -131382,6 +134736,8 @@ SQLITE_PRIVATE int sqlite3OpenTableAndIndices( assert( op==OP_OpenRead || op==OP_OpenWrite ); assert( op==OP_OpenWrite || p5==0 ); + assert( piDataCur!=0 ); + assert( piIdxCur!=0 ); if( IsVirtual(pTab) ){ /* This routine is a no-op for virtual tables. Leave the output ** variables *piDataCur and *piIdxCur set to illegal cursor numbers @@ -131394,18 +134750,18 @@ SQLITE_PRIVATE int sqlite3OpenTableAndIndices( assert( v!=0 ); if( iBase<0 ) iBase = pParse->nTab; iDataCur = iBase++; - if( piDataCur ) *piDataCur = iDataCur; + *piDataCur = iDataCur; if( HasRowid(pTab) && (aToOpen==0 || aToOpen[0]) ){ sqlite3OpenTable(pParse, iDataCur, iDb, pTab, op); - }else{ + }else if( pParse->db->noSharedCache==0 ){ sqlite3TableLock(pParse, iDb, pTab->tnum, op==OP_OpenWrite, pTab->zName); } - if( piIdxCur ) *piIdxCur = iBase; + *piIdxCur = iBase; for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ int iIdxCur = iBase++; assert( pIdx->pSchema==pTab->pSchema ); if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){ - if( piDataCur ) *piDataCur = iIdxCur; + *piDataCur = iIdxCur; p5 = 0; } if( aToOpen==0 || aToOpen[i+1] ){ @@ -131703,7 +135059,7 @@ static int xferOptimization( } #endif #ifndef SQLITE_OMIT_FOREIGN_KEY - /* Disallow the transfer optimization if the destination table constains + /* Disallow the transfer optimization if the destination table contains ** any foreign key constraints. This is more restrictive than necessary. ** But the main beneficiary of the transfer optimization is the VACUUM ** command, and the VACUUM command disables foreign key constraints. So @@ -132413,6 +135769,11 @@ struct sqlite3_api_routines { int (*value_encoding)(sqlite3_value*); /* Version 3.41.0 and later */ int (*is_interrupted)(sqlite3*); + /* Version 3.43.0 and later */ + int (*stmt_explain)(sqlite3_stmt*,int); + /* Version 3.44.0 and later */ + void *(*get_clientdata)(sqlite3*,const char*); + int (*set_clientdata)(sqlite3*, const char*, void*, void(*)(void*)); }; /* @@ -132741,6 +136102,11 @@ typedef int (*sqlite3_loadext_entry)( #define sqlite3_value_encoding sqlite3_api->value_encoding /* Version 3.41.0 and later */ #define sqlite3_is_interrupted sqlite3_api->is_interrupted +/* Version 3.43.0 and later */ +#define sqlite3_stmt_explain sqlite3_api->stmt_explain +/* Version 3.44.0 and later */ +#define sqlite3_get_clientdata sqlite3_api->get_clientdata +#define sqlite3_set_clientdata sqlite3_api->set_clientdata #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) @@ -133257,7 +136623,12 @@ static const sqlite3_api_routines sqlite3Apis = { /* Version 3.40.0 and later */ sqlite3_value_encoding, /* Version 3.41.0 and later */ - sqlite3_is_interrupted + sqlite3_is_interrupted, + /* Version 3.43.0 and later */ + sqlite3_stmt_explain, + /* Version 3.44.0 and later */ + sqlite3_get_clientdata, + sqlite3_set_clientdata }; /* True if x is the directory separator character @@ -133330,15 +136701,25 @@ static int sqlite3LoadExtension( /* tag-20210611-1. Some dlopen() implementations will segfault if given ** an oversize filename. Most filesystems have a pathname limit of 4K, ** so limit the extension filename length to about twice that. - ** https://sqlite.org/forum/forumpost/08a0d6d9bf */ + ** https://sqlite.org/forum/forumpost/08a0d6d9bf + ** + ** Later (2023-03-25): Save an extra 6 bytes for the filename suffix. + ** See https://sqlite.org/forum/forumpost/24083b579d. + */ if( nMsg>SQLITE_MAX_PATHLEN ) goto extension_not_found; + /* Do not allow sqlite3_load_extension() to link to a copy of the + ** running application, by passing in an empty filename. */ + if( nMsg==0 ) goto extension_not_found; + handle = sqlite3OsDlOpen(pVfs, zFile); #if SQLITE_OS_UNIX || SQLITE_OS_WIN for(ii=0; iimutex); if( onoff ){ db->flags |= SQLITE_LoadExtension|SQLITE_LoadExtFunc; @@ -133512,6 +136896,9 @@ SQLITE_API int sqlite3_auto_extension( void (*xInit)(void) ){ int rc = SQLITE_OK; +#ifdef SQLITE_ENABLE_API_ARMOR + if( xInit==0 ) return SQLITE_MISUSE_BKPT; +#endif #ifndef SQLITE_OMIT_AUTOINIT rc = sqlite3_initialize(); if( rc ){ @@ -133564,6 +136951,9 @@ SQLITE_API int sqlite3_cancel_auto_extension( int i; int n = 0; wsdAutoextInit; +#ifdef SQLITE_ENABLE_API_ARMOR + if( xInit==0 ) return 0; +#endif sqlite3_mutex_enter(mutex); for(i=(int)wsdAutoext.nExt-1; i>=0; i--){ if( wsdAutoext.aExt[i]==xInit ){ @@ -135163,7 +138553,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** ** The first form reports the current local setting for the ** page cache spill size. The second form turns cache spill on - ** or off. When turnning cache spill on, the size is set to the + ** or off. When turning cache spill on, the size is set to the ** current cache_size. The third form sets a spill size that ** may be different form the cache size. ** If N is positive then that is the @@ -135433,7 +138823,11 @@ SQLITE_PRIVATE void sqlite3Pragma( #endif if( sqlite3GetBoolean(zRight, 0) ){ - db->flags |= mask; + if( (mask & SQLITE_WriteSchema)==0 + || (db->flags & SQLITE_Defensive)==0 + ){ + db->flags |= mask; + } }else{ db->flags &= ~mask; if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0; @@ -135833,7 +139227,7 @@ SQLITE_PRIVATE void sqlite3Pragma( zDb = db->aDb[iDb].zDbSName; sqlite3CodeVerifySchema(pParse, iDb); sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); - if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow; + sqlite3TouchRegister(pParse, pTab->nCol+regRow); sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead); sqlite3VdbeLoadString(v, regResult, pTab->zName); assert( IsOrdinaryTable(pTab) ); @@ -135874,7 +139268,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** regRow..regRow+n. If any of the child key values are NULL, this ** row cannot cause an FK violation. Jump directly to addrOk in ** this case. */ - if( regRow+pFK->nCol>pParse->nMem ) pParse->nMem = regRow+pFK->nCol; + sqlite3TouchRegister(pParse, regRow + pFK->nCol); for(j=0; jnCol; j++){ int iCol = aiCols ? aiCols[j] : pFK->aCol[j].iFrom; sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, iCol, regRow+j); @@ -135941,9 +139335,9 @@ SQLITE_PRIVATE void sqlite3Pragma( ** The "quick_check" is reduced version of ** integrity_check designed to detect most database corruption ** without the overhead of cross-checking indexes. Quick_check - ** is linear time wherease integrity_check is O(NlogN). + ** is linear time whereas integrity_check is O(NlogN). ** - ** The maximum nubmer of errors is 100 by default. A different default + ** The maximum number of errors is 100 by default. A different default ** can be specified using a numeric parameter N. ** ** Or, the parameter N can be the name of a table. In that case, only @@ -136003,6 +139397,7 @@ SQLITE_PRIVATE void sqlite3Pragma( if( iDb>=0 && i!=iDb ) continue; sqlite3CodeVerifySchema(pParse, i); + pParse->okConstFactor = 0; /* tag-20230327-1 */ /* Do an integrity check of the B-Tree ** @@ -136038,7 +139433,7 @@ SQLITE_PRIVATE void sqlite3Pragma( aRoot[0] = cnt; /* Make sure sufficient number of registers have been allocated */ - pParse->nMem = MAX( pParse->nMem, 8+mxIdx ); + sqlite3TouchRegister(pParse, 8+mxIdx); sqlite3ClearTempRegCache(pParse); /* Do the b-tree integrity checks */ @@ -136065,8 +139460,32 @@ SQLITE_PRIVATE void sqlite3Pragma( int r2; /* Previous key for WITHOUT ROWID tables */ int mxCol; /* Maximum non-virtual column number */ - if( !IsOrdinaryTable(pTab) ) continue; if( pObjTab && pObjTab!=pTab ) continue; + if( !IsOrdinaryTable(pTab) ){ +#ifndef SQLITE_OMIT_VIRTUALTABLE + sqlite3_vtab *pVTab; + int a1; + if( !IsVirtual(pTab) ) continue; + if( pTab->nCol<=0 ){ + const char *zMod = pTab->u.vtab.azArg[0]; + if( sqlite3HashFind(&db->aModule, zMod)==0 ) continue; + } + sqlite3ViewGetColumnNames(pParse, pTab); + if( pTab->u.vtab.p==0 ) continue; + pVTab = pTab->u.vtab.p->pVtab; + if( NEVER(pVTab==0) ) continue; + if( NEVER(pVTab->pModule==0) ) continue; + if( pVTab->pModule->iVersion<4 ) continue; + if( pVTab->pModule->xIntegrity==0 ) continue; + sqlite3VdbeAddOp3(v, OP_VCheck, i, 3, isQuick); + pTab->nTabRef++; + sqlite3VdbeAppendP4(v, pTab, P4_TABLEREF); + a1 = sqlite3VdbeAddOp1(v, OP_IsNull, 3); VdbeCoverage(v); + integrityCheckResultRow(v); + sqlite3VdbeJumpHere(v, a1); +#endif + continue; + } if( isQuick || HasRowid(pTab) ){ pPk = 0; r2 = 0; @@ -136188,15 +139607,29 @@ SQLITE_PRIVATE void sqlite3Pragma( labelOk = sqlite3VdbeMakeLabel(pParse); if( pCol->notNull ){ /* (1) NOT NULL columns may not contain a NULL */ + int jmp3; int jmp2 = sqlite3VdbeAddOp4Int(v, OP_IsType, p1, labelOk, p3, p4); - sqlite3VdbeChangeP5(v, 0x0f); VdbeCoverage(v); + if( p1<0 ){ + sqlite3VdbeChangeP5(v, 0x0f); /* INT, REAL, TEXT, or BLOB */ + jmp3 = jmp2; + }else{ + sqlite3VdbeChangeP5(v, 0x0d); /* INT, TEXT, or BLOB */ + /* OP_IsType does not detect NaN values in the database file + ** which should be treated as a NULL. So if the header type + ** is REAL, we have to load the actual data using OP_Column + ** to reliably determine if the value is a NULL. */ + sqlite3VdbeAddOp3(v, OP_Column, p1, p3, 3); + jmp3 = sqlite3VdbeAddOp2(v, OP_NotNull, 3, labelOk); + VdbeCoverage(v); + } zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName, pCol->zCnName); sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC); if( doTypeCheck ){ sqlite3VdbeGoto(v, labelError); sqlite3VdbeJumpHere(v, jmp2); + sqlite3VdbeJumpHere(v, jmp3); }else{ /* VDBE byte code will fall thru */ } @@ -136304,7 +139737,7 @@ SQLITE_PRIVATE void sqlite3Pragma( int jmp7; sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur+j, 3); jmp7 = sqlite3VdbeAddOp3(v, OP_Eq, 3, 0, r1+pIdx->nColumn-1); - VdbeCoverage(v); + VdbeCoverageNeverNull(v); sqlite3VdbeLoadString(v, 3, "rowid not at end-of-record for row "); sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); @@ -136686,7 +140119,7 @@ SQLITE_PRIVATE void sqlite3Pragma( Schema *pSchema; /* The current schema */ Table *pTab; /* A table in the schema */ Index *pIdx; /* An index of the table */ - LogEst szThreshold; /* Size threshold above which reanalysis is needd */ + LogEst szThreshold; /* Size threshold above which reanalysis needed */ char *zSubSql; /* SQL statement for the OP_SqlExec opcode */ u32 opMask; /* Mask of operations to perform */ @@ -137178,7 +140611,8 @@ static const sqlite3_module pragmaVtabModule = { 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; /* @@ -137510,7 +140944,9 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl #else encoding = SQLITE_UTF8; #endif - if( db->nVdbeActive>0 && encoding!=ENC(db) ){ + if( db->nVdbeActive>0 && encoding!=ENC(db) + && (db->mDbFlags & DBFLAG_Vacuum)==0 + ){ rc = SQLITE_LOCKED; goto initone_error_out; }else{ @@ -137800,8 +141236,6 @@ SQLITE_PRIVATE void sqlite3ParseObjectReset(Parse *pParse){ db->lookaside.sz = db->lookaside.bDisable ? 0 : db->lookaside.szTrue; assert( pParse->db->pParse==pParse ); db->pParse = pParse->pOuterParse; - pParse->db = 0; - pParse->disableLookaside = 0; } /* @@ -137810,7 +141244,7 @@ SQLITE_PRIVATE void sqlite3ParseObjectReset(Parse *pParse){ ** immediately. ** ** Use this mechanism for uncommon cleanups. There is a higher setup -** cost for this mechansim (an extra malloc), so it should not be used +** cost for this mechanism (an extra malloc), so it should not be used ** for common cleanups that happen on most calls. But for less ** common cleanups, we save a single NULL-pointer comparison in ** sqlite3ParseObjectReset(), which reduces the total CPU cycle count. @@ -137902,9 +141336,18 @@ static int sqlite3Prepare( sParse.pOuterParse = db->pParse; db->pParse = &sParse; sParse.db = db; - sParse.pReprepare = pReprepare; + if( pReprepare ){ + sParse.pReprepare = pReprepare; + sParse.explain = sqlite3_stmt_isexplain((sqlite3_stmt*)pReprepare); + }else{ + assert( sParse.pReprepare==0 ); + } assert( ppStmt && *ppStmt==0 ); - if( db->mallocFailed ) sqlite3ErrorMsg(&sParse, "out of memory"); + if( db->mallocFailed ){ + sqlite3ErrorMsg(&sParse, "out of memory"); + db->errCode = rc = SQLITE_NOMEM; + goto end_prepare; + } assert( sqlite3_mutex_held(db->mutex) ); /* For a long-term use prepared statement avoid the use of @@ -138063,6 +141506,7 @@ static int sqlite3LockAndPrepare( assert( (rc&db->errMask)==rc ); db->busyHandler.nBusy = 0; sqlite3_mutex_leave(db->mutex); + assert( rc==SQLITE_OK || (*ppStmt)==0 ); return rc; } @@ -138460,6 +141904,9 @@ SQLITE_PRIVATE Select *sqlite3SelectNew( SQLITE_PRIVATE void sqlite3SelectDelete(sqlite3 *db, Select *p){ if( OK_IF_ALWAYS_TRUE(p) ) clearSelect(db, p, 1); } +SQLITE_PRIVATE void sqlite3SelectDeleteGeneric(sqlite3 *db, void *p){ + if( ALWAYS(p) ) clearSelect(db, (Select*)p, 1); +} /* ** Return a pointer to the right-most SELECT statement in a compound. @@ -138508,7 +141955,7 @@ static Select *findRightmost(Select *p){ ** NATURAL FULL OUTER JT_NATRUAL|JT_LEFT|JT_RIGHT ** ** To preserve historical compatibly, SQLite also accepts a variety -** of other non-standard and in many cases non-sensical join types. +** of other non-standard and in many cases nonsensical join types. ** This routine makes as much sense at it can from the nonsense join ** type and returns a result. Examples of accepted nonsense join types ** include but are not limited to: @@ -138730,6 +142177,7 @@ static void unsetJoinExpr(Expr *p, int iTable, int nullable){ } if( p->op==TK_FUNCTION ){ assert( ExprUseXList(p) ); + assert( p->pLeft==0 ); if( p->x.pList ){ int i; for(i=0; ix.pList->nExpr; i++){ @@ -138779,7 +142227,7 @@ static int sqlite3ProcessJoin(Parse *pParse, Select *p){ if( NEVER(pLeft->pTab==0 || pRightTab==0) ) continue; joinType = (pRight->fg.jointype & JT_OUTER)!=0 ? EP_OuterON : EP_InnerON; - /* If this is a NATURAL join, synthesize an approprate USING clause + /* If this is a NATURAL join, synthesize an appropriate USING clause ** to specify which columns should be joined. */ if( pRight->fg.jointype & JT_NATURAL ){ @@ -138993,9 +142441,9 @@ static void pushOntoSorter( ** (2) All output columns are included in the sort record. In that ** case regData==regOrigData. ** (3) Some output columns are omitted from the sort record due to - ** the SQLITE_ENABLE_SORTER_REFERENCE optimization, or due to the + ** the SQLITE_ENABLE_SORTER_REFERENCES optimization, or due to the ** SQLITE_ECEL_OMITREF optimization, or due to the - ** SortCtx.pDeferredRowLoad optimiation. In any of these cases + ** SortCtx.pDeferredRowLoad optimization. In any of these cases ** regOrigData is 0 to prevent this routine from trying to copy ** values that might not yet exist. */ @@ -139051,7 +142499,7 @@ static void pushOntoSorter( testcase( pKI->nAllField > pKI->nKeyField+2 ); pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat, pKI->nAllField-pKI->nKeyField-1); - pOp = 0; /* Ensure pOp not used after sqltie3VdbeAddOp3() */ + pOp = 0; /* Ensure pOp not used after sqlite3VdbeAddOp3() */ addrJmp = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v); pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse); @@ -139145,7 +142593,7 @@ static void codeOffset( ** The returned value in this case is a copy of parameter iTab. ** ** WHERE_DISTINCT_ORDERED: -** In this case rows are being delivered sorted order. The ephermal +** In this case rows are being delivered sorted order. The ephemeral ** table is not required. Instead, the current set of values ** is compared against previous row. If they match, the new row ** is not distinct and control jumps to VM address addrRepeat. Otherwise, @@ -139574,6 +143022,16 @@ static void selectInnerLoop( testcase( eDest==SRT_Fifo ); testcase( eDest==SRT_DistFifo ); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1+nPrefixReg); +#if !defined(SQLITE_ENABLE_NULL_TRIM) && defined(SQLITE_DEBUG) + /* A destination of SRT_Table and a non-zero iSDParm2 parameter means + ** that this is an "UPDATE ... FROM" on a virtual table or view. In this + ** case set the p5 parameter of the OP_MakeRecord to OPFLAG_NOCHNG_MAGIC. + ** This does not affect operation in any way - it just allows MakeRecord + ** to process OPFLAG_NOCHANGE values without an assert() failing. */ + if( eDest==SRT_Table && pDest->iSDParm2 ){ + sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG_MAGIC); + } +#endif #ifndef SQLITE_OMIT_CTE if( eDest==SRT_DistFifo ){ /* If the destination is DistFifo, then cursor (iParm+1) is open @@ -140377,13 +143835,6 @@ SQLITE_PRIVATE void sqlite3GenerateColumnNames( int fullName; /* TABLE.COLUMN if no AS clause and is a direct table ref */ int srcName; /* COLUMN or TABLE.COLUMN if no AS clause and is direct */ -#ifndef SQLITE_OMIT_EXPLAIN - /* If this is an EXPLAIN, skip this step */ - if( pParse->explain ){ - return; - } -#endif - if( pParse->colNamesSet ) return; /* Column names are determined by the left-most term of a compound select */ while( pSelect->pPrior ) pSelect = pSelect->pPrior; @@ -140570,7 +144021,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( ** kind (maybe a parenthesized subquery in the FROM clause of a larger ** query, or a VIEW, or a CTE). This routine computes type information ** for that Table object based on the Select object that implements the -** subquery. For the purposes of this routine, "type infomation" means: +** subquery. For the purposes of this routine, "type information" means: ** ** * The datatype name, as it might appear in a CREATE TABLE statement ** * Which collating sequence to use for the column @@ -140591,10 +144042,11 @@ SQLITE_PRIVATE void sqlite3SubqueryColumnTypes( NameContext sNC; assert( pSelect!=0 ); - assert( (pSelect->selFlags & SF_Resolved)!=0 ); + testcase( (pSelect->selFlags & SF_Resolved)==0 ); + assert( (pSelect->selFlags & SF_Resolved)!=0 || IN_RENAME_OBJECT ); assert( pTab->nCol==pSelect->pEList->nExpr || pParse->nErr>0 ); assert( aff==SQLITE_AFF_NONE || aff==SQLITE_AFF_BLOB ); - if( db->mallocFailed ) return; + if( db->mallocFailed || IN_RENAME_OBJECT ) return; while( pSelect->pPrior ) pSelect = pSelect->pPrior; a = pSelect->pEList->a; memset(&sNC, 0, sizeof(sNC)); @@ -140639,18 +144091,16 @@ SQLITE_PRIVATE void sqlite3SubqueryColumnTypes( break; } } - } - } - if( zType ){ - i64 m = sqlite3Strlen30(zType); - n = sqlite3Strlen30(pCol->zCnName); - pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2); - if( pCol->zCnName ){ - memcpy(&pCol->zCnName[n+1], zType, m+1); - pCol->colFlags |= COLFLAG_HASTYPE; - }else{ - testcase( pCol->colFlags & COLFLAG_HASTYPE ); - pCol->colFlags &= ~(COLFLAG_HASTYPE|COLFLAG_HASCOLL); + } + } + if( zType ){ + i64 m = sqlite3Strlen30(zType); + n = sqlite3Strlen30(pCol->zCnName); + pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2); + pCol->colFlags &= ~(COLFLAG_HASTYPE|COLFLAG_HASCOLL); + if( pCol->zCnName ){ + memcpy(&pCol->zCnName[n+1], zType, m+1); + pCol->colFlags |= COLFLAG_HASTYPE; } } pColl = sqlite3ExprCollSeq(pParse, p); @@ -140901,7 +144351,7 @@ static void generateWithRecursiveQuery( int iQueue; /* The Queue table */ int iDistinct = 0; /* To ensure unique results if UNION */ int eDest = SRT_Fifo; /* How to write to Queue */ - SelectDest destQueue; /* SelectDest targetting the Queue table */ + SelectDest destQueue; /* SelectDest targeting the Queue table */ int i; /* Loop counter */ int rc; /* Result code */ ExprList *pOrderBy; /* The ORDER BY clause */ @@ -141477,9 +144927,7 @@ multi_select_end: pDest->iSdst = dest.iSdst; pDest->nSdst = dest.nSdst; if( pDelete ){ - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3SelectDelete, - pDelete); + sqlite3ParserAddCleanup(pParse, sqlite3SelectDeleteGeneric, pDelete); } return rc; } @@ -141501,7 +144949,7 @@ SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p){ /* ** Code an output subroutine for a coroutine implementation of a -** SELECT statment. +** SELECT statement. ** ** The data to be output is contained in pIn->iSdst. There are ** pIn->nSdst columns to be output. pDest is where the output should @@ -141723,7 +145171,7 @@ static int generateOutputSubroutine( ** ** We call AltB, AeqB, AgtB, EofA, and EofB "subroutines" but they are not ** actually called using Gosub and they do not Return. EofA and EofB loop -** until all data is exhausted then jump to the "end" labe. AltB, AeqB, +** until all data is exhausted then jump to the "end" label. AltB, AeqB, ** and AgtB jump to either L2 or to one of EofA or EofB. */ #ifndef SQLITE_OMIT_COMPOUND_SELECT @@ -141760,7 +145208,7 @@ static int multiSelectOrderBy( int savedOffset; /* Saved value of p->iOffset */ int labelCmpr; /* Label for the start of the merge algorithm */ int labelEnd; /* Label for the end of the overall SELECT stmt */ - int addr1; /* Jump instructions that get retargetted */ + int addr1; /* Jump instructions that get retargeted */ int op; /* One of TK_ALL, TK_UNION, TK_EXCEPT, TK_INTERSECT */ KeyInfo *pKeyDup = 0; /* Comparison information for duplicate removal */ KeyInfo *pKeyMerge; /* Comparison information for merging rows */ @@ -142030,8 +145478,7 @@ static int multiSelectOrderBy( /* Make arrangements to free the 2nd and subsequent arms of the compound ** after the parse has finished */ if( pSplit->pPrior ){ - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3SelectDelete, pSplit->pPrior); + sqlite3ParserAddCleanup(pParse, sqlite3SelectDeleteGeneric, pSplit->pPrior); } pSplit->pPrior = pPrior; pPrior->pNext = pSplit; @@ -142129,11 +145576,14 @@ static Expr *substExpr( #endif { Expr *pNew; - int iColumn = pExpr->iColumn; - Expr *pCopy = pSubst->pEList->a[iColumn].pExpr; + int iColumn; + Expr *pCopy; Expr ifNullRow; + iColumn = pExpr->iColumn; + assert( iColumn>=0 ); assert( pSubst->pEList!=0 && iColumnpEList->nExpr ); assert( pExpr->pRight==0 ); + pCopy = pSubst->pEList->a[iColumn].pExpr; if( sqlite3ExprIsVector(pCopy) ){ sqlite3VectorErrorMsg(pSubst->pParse, pCopy); }else{ @@ -142482,7 +145932,7 @@ static int compoundHasDifferentAffinities(Select *p){ ** (9) If the subquery uses LIMIT then the outer query may not be aggregate. ** ** (**) Restriction (10) was removed from the code on 2005-02-05 but we -** accidently carried the comment forward until 2014-09-15. Original +** accidentally carried the comment forward until 2014-09-15. Original ** constraint: "If the subquery is aggregate then the outer query ** may not use LIMIT." ** @@ -142517,8 +145967,7 @@ static int compoundHasDifferentAffinities(Select *p){ ** query or there are no RIGHT or FULL JOINs in any arm ** of the subquery. (This is a duplicate of condition (27b).) ** (17h) The corresponding result set expressions in all arms of the -** compound must have the same affinity. (See restriction (9) -** on the push-down optimization.) +** compound must have the same affinity. ** ** The parent and sub-query may contain WHERE clauses. Subject to ** rules (11), (13) and (14), they may also contain ORDER BY, @@ -142575,7 +146024,8 @@ static int compoundHasDifferentAffinities(Select *p){ ** (27b) the subquery is a compound query and the RIGHT JOIN occurs ** in any arm of the compound query. (See also (17g).) ** -** (28) The subquery is not a MATERIALIZED CTE. +** (28) The subquery is not a MATERIALIZED CTE. (This is handled +** in the caller before ever reaching this routine.) ** ** ** In this routine, the "p" parameter is a pointer to the outer query. @@ -142685,9 +146135,9 @@ static int flattenSubquery( if( iFrom>0 && (pSubSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ return 0; /* Restriction (27a) */ } - if( pSubitem->fg.isCte && pSubitem->u2.pCteUse->eM10d==M10d_Yes ){ - return 0; /* (28) */ - } + + /* Condition (28) is blocked by the caller */ + assert( !pSubitem->fg.isCte || pSubitem->u2.pCteUse->eM10d!=M10d_Yes ); /* Restriction (17): If the sub-query is a compound SELECT, then it must ** use only the UNION ALL operator. And none of the simple select queries @@ -142757,7 +146207,7 @@ static int flattenSubquery( testcase( i==SQLITE_DENY ); pParse->zAuthContext = zSavedAuthContext; - /* Delete the transient structures associated with thesubquery */ + /* Delete the transient structures associated with the subquery */ pSub1 = pSubitem->pSelect; sqlite3DbFree(db, pSubitem->zDatabase); sqlite3DbFree(db, pSubitem->zName); @@ -142849,9 +146299,7 @@ static int flattenSubquery( Table *pTabToDel = pSubitem->pTab; if( pTabToDel->nTabRef==1 ){ Parse *pToplevel = sqlite3ParseToplevel(pParse); - sqlite3ParserAddCleanup(pToplevel, - (void(*)(sqlite3*,void*))sqlite3DeleteTable, - pTabToDel); + sqlite3ParserAddCleanup(pToplevel, sqlite3DeleteTableGeneric, pTabToDel); testcase( pToplevel->earlyCleanup ); }else{ pTabToDel->nTabRef--; @@ -142939,7 +146387,7 @@ static int flattenSubquery( ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values ** do not necessarily correspond to columns in SELECT statement pParent, - ** zero them before transfering the ORDER BY clause. + ** zero them before transferring the ORDER BY clause. ** ** Not doing this may cause an error if a subsequent call to this ** function attempts to flatten a compound sub-query into pParent @@ -142999,8 +146447,7 @@ static int flattenSubquery( } } - /* Finially, delete what is left of the subquery and return - ** success. + /* Finally, delete what is left of the subquery and return success. */ sqlite3AggInfoPersistWalkerInit(&w, pParse); sqlite3WalkSelect(&w,pSub1); @@ -143035,7 +146482,7 @@ struct WhereConst { /* ** Add a new entry to the pConst object. Except, do not add duplicate -** pColumn entires. Also, do not add if doing so would not be appropriate. +** pColumn entries. Also, do not add if doing so would not be appropriate. ** ** The caller guarantees the pColumn is a column and pValue is a constant. ** This routine has to do some additional checks before completing the @@ -143221,7 +146668,7 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ ** SELECT * FROM t1 WHERE a=123 AND b=123; ** ** The two SELECT statements above should return different answers. b=a -** is alway true because the comparison uses numeric affinity, but b=123 +** is always true because the comparison uses numeric affinity, but b=123 ** is false because it uses text affinity and '0123' is not the same as '123'. ** To work around this, the expression tree is not actually changed from ** "b=a" to "b=123" but rather the "a" in "b=a" is tagged with EP_FixedCol @@ -143305,7 +146752,7 @@ static int propagateConstants( ** At the time this function is called it is guaranteed that ** ** * the sub-query uses only one distinct window frame, and -** * that the window frame has a PARTITION BY clase. +** * that the window frame has a PARTITION BY clause. */ static int pushDownWindowCheck(Parse *pParse, Select *pSubq, Expr *pExpr){ assert( pSubq->pWin->pPartition ); @@ -143386,10 +146833,24 @@ static int pushDownWindowCheck(Parse *pParse, Select *pSubq, Expr *pExpr){ ** or EXCEPT, then all of the result set columns for all arms of ** the compound must use the BINARY collating sequence. ** -** (9) If the subquery is a compound, then all arms of the compound must -** have the same affinity. (This is the same as restriction (17h) -** for query flattening.) +** (9) All three of the following are true: ** +** (9a) The WHERE clause expression originates in the ON or USING clause +** of a join (either an INNER or an OUTER join), and +** +** (9b) The subquery is to the right of the ON/USING clause +** +** (9c) There is a RIGHT JOIN (or FULL JOIN) in between the ON/USING +** clause and the subquery. +** +** Without this restriction, the push-down optimization might move +** the ON/USING filter expression from the left side of a RIGHT JOIN +** over to the right side, which leads to incorrect answers. See +** also restriction (6) in sqlite3ExprIsSingleTableConstraint(). +** +** (10) The inner query is not the right-hand table of a RIGHT JOIN. +** +** (11) The subquery is not a VALUES clause ** ** Return 0 if no changes are made and non-zero if one or more WHERE clause ** terms are duplicated into the subquery. @@ -143398,13 +146859,20 @@ static int pushDownWhereTerms( Parse *pParse, /* Parse context (for malloc() and error reporting) */ Select *pSubq, /* The subquery whose WHERE clause is to be augmented */ Expr *pWhere, /* The WHERE clause of the outer query */ - SrcItem *pSrc /* The subquery term of the outer FROM clause */ + SrcList *pSrcList, /* The complete from clause of the outer query */ + int iSrc /* Which FROM clause term to try to push into */ ){ Expr *pNew; + SrcItem *pSrc; /* The subquery FROM term into which WHERE is pushed */ int nChng = 0; + pSrc = &pSrcList->a[iSrc]; if( pWhere==0 ) return 0; - if( pSubq->selFlags & (SF_Recursive|SF_MultiPart) ) return 0; - if( pSrc->fg.jointype & (JT_LTORJ|JT_RIGHT) ) return 0; + if( pSubq->selFlags & (SF_Recursive|SF_MultiPart) ){ + return 0; /* restrictions (2) and (11) */ + } + if( pSrc->fg.jointype & (JT_LTORJ|JT_RIGHT) ){ + return 0; /* restrictions (10) */ + } if( pSubq->pPrior ){ Select *pSel; @@ -143420,9 +146888,6 @@ static int pushDownWhereTerms( if( pSel->pWin ) return 0; /* restriction (6b) */ #endif } - if( compoundHasDifferentAffinities(pSubq) ){ - return 0; /* restriction (9) */ - } if( notUnionAll ){ /* If any of the compound arms are connected using UNION, INTERSECT, ** or EXCEPT, then we must ensure that none of the columns use a @@ -143462,11 +146927,28 @@ static int pushDownWhereTerms( return 0; /* restriction (3) */ } while( pWhere->op==TK_AND ){ - nChng += pushDownWhereTerms(pParse, pSubq, pWhere->pRight, pSrc); + nChng += pushDownWhereTerms(pParse, pSubq, pWhere->pRight, pSrcList, iSrc); pWhere = pWhere->pLeft; } -#if 0 /* Legacy code. Checks now done by sqlite3ExprIsTableConstraint() */ +#if 0 /* These checks now done by sqlite3ExprIsSingleTableConstraint() */ + if( ExprHasProperty(pWhere, EP_OuterON|EP_InnerON) /* (9a) */ + && (pSrcList->a[0].fg.jointype & JT_LTORJ)!=0 /* Fast pre-test of (9c) */ + ){ + int jj; + for(jj=0; jjw.iJoin==pSrcList->a[jj].iCursor ){ + /* If we reach this point, both (9a) and (9b) are satisfied. + ** The following loop checks (9c): + */ + for(jj++; jja[jj].fg.jointype & JT_RIGHT)!=0 ){ + return 0; /* restriction (9) */ + } + } + } + } + } if( isLeftJoin && (ExprHasProperty(pWhere,EP_OuterON)==0 || pWhere->w.iJoin!=iCursor) @@ -143480,7 +146962,7 @@ static int pushDownWhereTerms( } #endif - if( sqlite3ExprIsTableConstraint(pWhere, pSrc) ){ + if( sqlite3ExprIsSingleTableConstraint(pWhere, pSrcList, iSrc) ){ nChng++; pSubq->selFlags |= SF_PushDown; while( pSubq ){ @@ -143514,6 +146996,78 @@ static int pushDownWhereTerms( } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ +/* +** Check to see if a subquery contains result-set columns that are +** never used. If it does, change the value of those result-set columns +** to NULL so that they do not cause unnecessary work to compute. +** +** Return the number of column that were changed to NULL. +*/ +static int disableUnusedSubqueryResultColumns(SrcItem *pItem){ + int nCol; + Select *pSub; /* The subquery to be simplified */ + Select *pX; /* For looping over compound elements of pSub */ + Table *pTab; /* The table that describes the subquery */ + int j; /* Column number */ + int nChng = 0; /* Number of columns converted to NULL */ + Bitmask colUsed; /* Columns that may not be NULLed out */ + + assert( pItem!=0 ); + if( pItem->fg.isCorrelated || pItem->fg.isCte ){ + return 0; + } + assert( pItem->pTab!=0 ); + pTab = pItem->pTab; + assert( pItem->pSelect!=0 ); + pSub = pItem->pSelect; + assert( pSub->pEList->nExpr==pTab->nCol ); + for(pX=pSub; pX; pX=pX->pPrior){ + if( (pX->selFlags & (SF_Distinct|SF_Aggregate))!=0 ){ + testcase( pX->selFlags & SF_Distinct ); + testcase( pX->selFlags & SF_Aggregate ); + return 0; + } + if( pX->pPrior && pX->op!=TK_ALL ){ + /* This optimization does not work for compound subqueries that + ** use UNION, INTERSECT, or EXCEPT. Only UNION ALL is allowed. */ + return 0; + } +#ifndef SQLITE_OMIT_WINDOWFUNC + if( pX->pWin ){ + /* This optimization does not work for subqueries that use window + ** functions. */ + return 0; + } +#endif + } + colUsed = pItem->colUsed; + if( pSub->pOrderBy ){ + ExprList *pList = pSub->pOrderBy; + for(j=0; jnExpr; j++){ + u16 iCol = pList->a[j].u.x.iOrderByCol; + if( iCol>0 ){ + iCol--; + colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); + } + } + } + nCol = pTab->nCol; + for(j=0; jpPrior) { + Expr *pY = pX->pEList->a[j].pExpr; + if( pY->op==TK_NULL ) continue; + pY->op = TK_NULL; + ExprClearProperty(pY, EP_Skip|EP_Unlikely); + pX->selFlags |= SF_PushDown; + nChng++; + } + } + return nChng; +} + + /* ** The pFunc is the only aggregate function in the query. Check to see ** if the query is a candidate for the min/max optimization. @@ -143792,8 +147346,7 @@ static struct Cte *searchWith( SQLITE_PRIVATE With *sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ if( pWith ){ if( bFree ){ - pWith = (With*)sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3WithDelete, + pWith = (With*)sqlite3ParserAddCleanup(pParse, sqlite3WithDeleteGeneric, pWith); if( pWith==0 ) return 0; } @@ -144278,12 +147831,20 @@ static int selectExpander(Walker *pWalker, Select *p){ ** expanded. */ int tableSeen = 0; /* Set to 1 when TABLE matches */ char *zTName = 0; /* text of name of TABLE */ + int iErrOfst; if( pE->op==TK_DOT ){ + assert( (selFlags & SF_NestedFrom)==0 ); assert( pE->pLeft!=0 ); assert( !ExprHasProperty(pE->pLeft, EP_IntValue) ); zTName = pE->pLeft->u.zToken; + assert( ExprUseWOfst(pE->pLeft) ); + iErrOfst = pE->pRight->w.iOfst; + }else{ + assert( ExprUseWOfst(pE) ); + iErrOfst = pE->w.iOfst; } for(i=0, pFrom=pTabList->a; inSrc; i++, pFrom++){ + int nAdd; /* Number of cols including rowid */ Table *pTab = pFrom->pTab; /* Table for this data source */ ExprList *pNestedFrom; /* Result-set of a nested FROM clause */ char *zTabName; /* AS name for this data source */ @@ -144301,6 +147862,7 @@ static int selectExpander(Walker *pWalker, Select *p){ pNestedFrom = pFrom->pSelect->pEList; assert( pNestedFrom!=0 ); assert( pNestedFrom->nExpr==pTab->nCol ); + assert( VisibleRowid(pTab)==0 ); }else{ if( zTName && sqlite3StrICmp(zTName, zTabName)!=0 ){ continue; @@ -144318,6 +147880,7 @@ static int selectExpander(Walker *pWalker, Select *p){ for(ii=0; iinId; ii++){ const char *zUName = pUsing->a[ii].zName; pRight = sqlite3Expr(db, TK_ID, zUName); + sqlite3ExprSetErrorOffset(pRight, iErrOfst); pNew = sqlite3ExprListAppend(pParse, pNew, pRight); if( pNew ){ struct ExprList_item *pX = &pNew->a[pNew->nExpr-1]; @@ -144330,33 +147893,48 @@ static int selectExpander(Walker *pWalker, Select *p){ }else{ pUsing = 0; } - for(j=0; jnCol; j++){ - char *zName = pTab->aCol[j].zCnName; + + nAdd = pTab->nCol + (VisibleRowid(pTab) && (selFlags&SF_NestedFrom)); + for(j=0; ja[j], 0, zTName, 0)==0 - ){ - continue; - } + if( j==pTab->nCol ){ + zName = sqlite3RowidAlias(pTab); + if( zName==0 ) continue; + }else{ + zName = pTab->aCol[j].zCnName; - /* If a column is marked as 'hidden', omit it from the expanded - ** result-set list unless the SELECT has the SF_IncludeHidden - ** bit set. - */ - if( (p->selFlags & SF_IncludeHidden)==0 - && IsHiddenColumn(&pTab->aCol[j]) - ){ - continue; - } - if( (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)!=0 - && zTName==0 - && (selFlags & (SF_NestedFrom))==0 - ){ - continue; + /* If pTab is actually an SF_NestedFrom sub-select, do not + ** expand any ENAME_ROWID columns. */ + if( pNestedFrom && pNestedFrom->a[j].fg.eEName==ENAME_ROWID ){ + continue; + } + + if( zTName + && pNestedFrom + && sqlite3MatchEName(&pNestedFrom->a[j], 0, zTName, 0, 0)==0 + ){ + continue; + } + + /* If a column is marked as 'hidden', omit it from the expanded + ** result-set list unless the SELECT has the SF_IncludeHidden + ** bit set. + */ + if( (p->selFlags & SF_IncludeHidden)==0 + && IsHiddenColumn(&pTab->aCol[j]) + ){ + continue; + } + if( (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)!=0 + && zTName==0 + && (selFlags & (SF_NestedFrom))==0 + ){ + continue; + } } + assert( zName ); tableSeen = 1; if( i>0 && zTName==0 && (selFlags & SF_NestedFrom)==0 ){ @@ -144390,6 +147968,7 @@ static int selectExpander(Walker *pWalker, Select *p){ }else{ pExpr = pRight; } + sqlite3ExprSetErrorOffset(pExpr, iErrOfst); pNew = sqlite3ExprListAppend(pParse, pNew, pExpr); if( pNew==0 ){ break; /* OOM */ @@ -144405,11 +147984,11 @@ static int selectExpander(Walker *pWalker, Select *p){ zSchemaName, zTabName, zName); testcase( pX->zEName==0 ); } - pX->fg.eEName = ENAME_TAB; + pX->fg.eEName = (j==pTab->nCol ? ENAME_ROWID : ENAME_TAB); if( (pFrom->fg.isUsing && sqlite3IdListIndex(pFrom->u3.pUsing, zName)>=0) || (pUsing && sqlite3IdListIndex(pUsing, zName)>=0) - || (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)!=0 + || (jnCol && (pTab->aCol[j].colFlags & COLFLAG_NOEXPAND)) ){ pX->fg.bNoExpand = 1; } @@ -144511,10 +148090,11 @@ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ SrcList *pTabList; SrcItem *pFrom; - assert( p->selFlags & SF_Resolved ); if( p->selFlags & SF_HasTypeInfo ) return; p->selFlags |= SF_HasTypeInfo; pParse = pWalker->pParse; + testcase( (p->selFlags & SF_Resolved)==0 ); + assert( (p->selFlags & SF_Resolved) || IN_RENAME_OBJECT ); pTabList = p->pSrc; for(i=0, pFrom=pTabList->a; inSrc; i++, pFrom++){ Table *pTab = pFrom->pTab; @@ -144630,8 +148210,14 @@ static void analyzeAggFuncArgs( pNC->ncFlags |= NC_InAggFunc; for(i=0; inFunc; i++){ Expr *pExpr = pAggInfo->aFunc[i].pFExpr; + assert( pExpr->op==TK_FUNCTION || pExpr->op==TK_AGG_FUNCTION ); assert( ExprUseXList(pExpr) ); sqlite3ExprAnalyzeAggList(pNC, pExpr->x.pList); + if( pExpr->pLeft ){ + assert( pExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pExpr->pLeft) ); + sqlite3ExprAnalyzeAggList(pNC, pExpr->pLeft->x.pList); + } #ifndef SQLITE_OMIT_WINDOWFUNC assert( !IsWindowFunc(pExpr) ); if( ExprHasProperty(pExpr, EP_WinFunc) ){ @@ -144660,12 +148246,13 @@ static void optimizeAggregateUseOfIndexedExpr( assert( pSelect->pGroupBy!=0 ); pAggInfo->nColumn = pAggInfo->nAccumulator; if( ALWAYS(pAggInfo->nSortingColumn>0) ){ - if( pAggInfo->nColumn==0 ){ - pAggInfo->nSortingColumn = pSelect->pGroupBy->nExpr; - }else{ - pAggInfo->nSortingColumn = - pAggInfo->aCol[pAggInfo->nColumn-1].iSorterColumn+1; + int mx = pSelect->pGroupBy->nExpr - 1; + int j, k; + for(j=0; jnColumn; j++){ + k = pAggInfo->aCol[j].iSorterColumn; + if( k>mx ) mx = k; } + pAggInfo->nSortingColumn = mx+1; } analyzeAggFuncArgs(pAggInfo, pNC); #if TREETRACE_ENABLED @@ -144699,11 +148286,13 @@ static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_AGG_FUNCTION ) return WRC_Continue; if( pExpr->op==TK_IF_NULL_ROW ) return WRC_Continue; pAggInfo = pExpr->pAggInfo; - assert( pExpr->iAgg>=0 && pExpr->iAggnColumn ); + if( NEVER(pExpr->iAgg>=pAggInfo->nColumn) ) return WRC_Continue; + assert( pExpr->iAgg>=0 ); pCol = &pAggInfo->aCol[pExpr->iAgg]; pExpr->op = TK_AGG_COLUMN; pExpr->iTable = pCol->iTable; pExpr->iColumn = pCol->iColumn; + ExprClearProperty(pExpr, EP_Skip|EP_Collate|EP_Unlikely); return WRC_Prune; } @@ -144734,7 +148323,7 @@ static void aggregateConvertIndexedExprRefToColumn(AggInfo *pAggInfo){ ** * The aCol[] and aFunc[] arrays may be modified ** * The AggInfoColumnReg() and AggInfoFuncReg() macros may not be used ** -** After clling this routine: +** After calling this routine: ** ** * The aCol[] and aFunc[] arrays are fixed ** * The AggInfoColumnReg() and AggInfoFuncReg() macros may be used @@ -144783,6 +148372,36 @@ static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){ pFunc->pFunc->zName)); } } + if( pFunc->iOBTab>=0 ){ + ExprList *pOBList; + KeyInfo *pKeyInfo; + int nExtra = 0; + assert( pFunc->pFExpr->pLeft!=0 ); + assert( pFunc->pFExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pFunc->pFExpr->pLeft) ); + assert( pFunc->pFunc!=0 ); + pOBList = pFunc->pFExpr->pLeft->x.pList; + if( !pFunc->bOBUnique ){ + nExtra++; /* One extra column for the OP_Sequence */ + } + if( pFunc->bOBPayload ){ + /* extra columns for the function arguments */ + assert( ExprUseXList(pFunc->pFExpr) ); + nExtra += pFunc->pFExpr->x.pList->nExpr; + } + if( pFunc->bUseSubtype ){ + nExtra += pFunc->pFExpr->x.pList->nExpr; + } + pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pOBList, 0, nExtra); + if( !pFunc->bOBUnique && pParse->nErr==0 ){ + pKeyInfo->nKeyField++; + } + sqlite3VdbeAddOp4(v, OP_OpenEphemeral, + pFunc->iOBTab, pOBList->nExpr+nExtra, 0, + (char*)pKeyInfo, P4_KEYINFO); + ExplainQueryPlan((pParse, 0, "USE TEMP B-TREE FOR %s(ORDER BY)", + pFunc->pFunc->zName)); + } } } @@ -144798,13 +148417,56 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){ ExprList *pList; assert( ExprUseXList(pF->pFExpr) ); pList = pF->pFExpr->x.pList; + if( pF->iOBTab>=0 ){ + /* For an ORDER BY aggregate, calls to OP_AggStep were deferred. Inputs + ** were stored in emphermal table pF->iOBTab. Here, we extract those + ** inputs (in ORDER BY order) and make all calls to OP_AggStep + ** before doing the OP_AggFinal call. */ + int iTop; /* Start of loop for extracting columns */ + int nArg; /* Number of columns to extract */ + int nKey; /* Key columns to be skipped */ + int regAgg; /* Extract into this array */ + int j; /* Loop counter */ + + assert( pF->pFunc!=0 ); + nArg = pList->nExpr; + regAgg = sqlite3GetTempRange(pParse, nArg); + + if( pF->bOBPayload==0 ){ + nKey = 0; + }else{ + assert( pF->pFExpr->pLeft!=0 ); + assert( ExprUseXList(pF->pFExpr->pLeft) ); + assert( pF->pFExpr->pLeft->x.pList!=0 ); + nKey = pF->pFExpr->pLeft->x.pList->nExpr; + if( ALWAYS(!pF->bOBUnique) ) nKey++; + } + iTop = sqlite3VdbeAddOp1(v, OP_Rewind, pF->iOBTab); VdbeCoverage(v); + for(j=nArg-1; j>=0; j--){ + sqlite3VdbeAddOp3(v, OP_Column, pF->iOBTab, nKey+j, regAgg+j); + } + if( pF->bUseSubtype ){ + int regSubtype = sqlite3GetTempReg(pParse); + int iBaseCol = nKey + nArg + (pF->bOBPayload==0 && pF->bOBUnique==0); + for(j=nArg-1; j>=0; j--){ + sqlite3VdbeAddOp3(v, OP_Column, pF->iOBTab, iBaseCol+j, regSubtype); + sqlite3VdbeAddOp2(v, OP_SetSubtype, regSubtype, regAgg+j); + } + sqlite3ReleaseTempReg(pParse, regSubtype); + } + sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i)); + sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); + sqlite3VdbeChangeP5(v, (u8)nArg); + sqlite3VdbeAddOp2(v, OP_Next, pF->iOBTab, iTop+1); VdbeCoverage(v); + sqlite3VdbeJumpHere(v, iTop); + sqlite3ReleaseTempRange(pParse, regAgg, nArg); + } sqlite3VdbeAddOp2(v, OP_AggFinal, AggInfoFuncReg(pAggInfo,i), pList ? pList->nExpr : 0); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); } } - /* ** Generate code that will update the accumulator memory cells for an ** aggregate based on the current cursor position. @@ -144813,6 +148475,13 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){ ** in pAggInfo, then only populate the pAggInfo->nAccumulator accumulator ** registers if register regAcc contains 0. The caller will take care ** of setting and clearing regAcc. +** +** For an ORDER BY aggregate, the actual accumulator memory cell update +** is deferred until after all input rows have been received, so that they +** can be run in the requested order. In that case, instead of invoking +** OP_AggStep to update the accumulator, just add the arguments that would +** have been passed into OP_AggStep into the sorting ephemeral table +** (along with the appropriate sort key). */ static void updateAccumulator( Parse *pParse, @@ -144834,9 +148503,12 @@ static void updateAccumulator( int nArg; int addrNext = 0; int regAgg; + int regAggSz = 0; + int regDistinct = 0; ExprList *pList; assert( ExprUseXList(pF->pFExpr) ); assert( !IsWindowFunc(pF->pFExpr) ); + assert( pF->pFunc!=0 ); pList = pF->pFExpr->x.pList; if( ExprHasProperty(pF->pFExpr, EP_WinFunc) ){ Expr *pFilter = pF->pFExpr->y.pWin->pFilter; @@ -144860,9 +148532,55 @@ static void updateAccumulator( addrNext = sqlite3VdbeMakeLabel(pParse); sqlite3ExprIfFalse(pParse, pFilter, addrNext, SQLITE_JUMPIFNULL); } - if( pList ){ + if( pF->iOBTab>=0 ){ + /* Instead of invoking AggStep, we must push the arguments that would + ** have been passed to AggStep onto the sorting table. */ + int jj; /* Registered used so far in building the record */ + ExprList *pOBList; /* The ORDER BY clause */ + assert( pList!=0 ); + nArg = pList->nExpr; + assert( nArg>0 ); + assert( pF->pFExpr->pLeft!=0 ); + assert( pF->pFExpr->pLeft->op==TK_ORDER ); + assert( ExprUseXList(pF->pFExpr->pLeft) ); + pOBList = pF->pFExpr->pLeft->x.pList; + assert( pOBList!=0 ); + assert( pOBList->nExpr>0 ); + regAggSz = pOBList->nExpr; + if( !pF->bOBUnique ){ + regAggSz++; /* One register for OP_Sequence */ + } + if( pF->bOBPayload ){ + regAggSz += nArg; + } + if( pF->bUseSubtype ){ + regAggSz += nArg; + } + regAggSz++; /* One extra register to hold result of MakeRecord */ + regAgg = sqlite3GetTempRange(pParse, regAggSz); + regDistinct = regAgg; + sqlite3ExprCodeExprList(pParse, pOBList, regAgg, 0, SQLITE_ECEL_DUP); + jj = pOBList->nExpr; + if( !pF->bOBUnique ){ + sqlite3VdbeAddOp2(v, OP_Sequence, pF->iOBTab, regAgg+jj); + jj++; + } + if( pF->bOBPayload ){ + regDistinct = regAgg+jj; + sqlite3ExprCodeExprList(pParse, pList, regDistinct, 0, SQLITE_ECEL_DUP); + jj += nArg; + } + if( pF->bUseSubtype ){ + int kk; + int regBase = pF->bOBPayload ? regDistinct : regAgg; + for(kk=0; kknExpr; regAgg = sqlite3GetTempRange(pParse, nArg); + regDistinct = regAgg; sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP); }else{ nArg = 0; @@ -144873,26 +148591,37 @@ static void updateAccumulator( addrNext = sqlite3VdbeMakeLabel(pParse); } pF->iDistinct = codeDistinct(pParse, eDistinctType, - pF->iDistinct, addrNext, pList, regAgg); + pF->iDistinct, addrNext, pList, regDistinct); } - if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){ - CollSeq *pColl = 0; - struct ExprList_item *pItem; - int j; - assert( pList!=0 ); /* pList!=0 if pF->pFunc has NEEDCOLL */ - for(j=0, pItem=pList->a; !pColl && jpExpr); + if( pF->iOBTab>=0 ){ + /* Insert a new record into the ORDER BY table */ + sqlite3VdbeAddOp3(v, OP_MakeRecord, regAgg, regAggSz-1, + regAgg+regAggSz-1); + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, pF->iOBTab, regAgg+regAggSz-1, + regAgg, regAggSz-1); + sqlite3ReleaseTempRange(pParse, regAgg, regAggSz); + }else{ + /* Invoke the AggStep function */ + if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){ + CollSeq *pColl = 0; + struct ExprList_item *pItem; + int j; + assert( pList!=0 ); /* pList!=0 if pF->pFunc has NEEDCOLL */ + for(j=0, pItem=pList->a; !pColl && jpExpr); + } + if( !pColl ){ + pColl = pParse->db->pDfltColl; + } + if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem; + sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0, + (char *)pColl, P4_COLLSEQ); } - if( !pColl ){ - pColl = pParse->db->pDfltColl; - } - if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem; - sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0, (char *)pColl, P4_COLLSEQ); + sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i)); + sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); + sqlite3VdbeChangeP5(v, (u8)nArg); + sqlite3ReleaseTempRange(pParse, regAgg, nArg); } - sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i)); - sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); - sqlite3VdbeChangeP5(v, (u8)nArg); - sqlite3ReleaseTempRange(pParse, regAgg, nArg); if( addrNext ){ sqlite3VdbeResolveLabel(v, addrNext); } @@ -145051,13 +148780,13 @@ static SrcItem *isSelfJoinView( /* ** Deallocate a single AggInfo object */ -static void agginfoFree(sqlite3 *db, AggInfo *p){ +static void agginfoFree(sqlite3 *db, void *pArg){ + AggInfo *p = (AggInfo*)pArg; sqlite3DbFree(db, p->aCol); sqlite3DbFree(db, p->aFunc); sqlite3DbFreeNN(db, p); } -#ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION /* ** Attempt to transform a query of the form ** @@ -145085,6 +148814,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ if( (p->selFlags & SF_Aggregate)==0 ) return 0; /* This is an aggregate */ if( p->pEList->nExpr!=1 ) return 0; /* Single result column */ if( p->pWhere ) return 0; + if( p->pHaving ) return 0; if( p->pGroupBy ) return 0; if( p->pOrderBy ) return 0; pExpr = p->pEList->a[0].pExpr; @@ -145104,7 +148834,8 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ if( pSub->pWhere ) return 0; /* No WHERE clause */ if( pSub->pLimit ) return 0; /* No LIMIT clause */ if( pSub->selFlags & SF_Aggregate ) return 0; /* Not an aggregate */ - pSub = pSub->pPrior; /* Repeat over compound */ + assert( pSub->pHaving==0 ); /* Due to the previous */ + pSub = pSub->pPrior; /* Repeat over compound */ }while( pSub ); /* If we reach this point then it is OK to perform the transformation */ @@ -145124,7 +148855,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ pSub->selFlags |= SF_Aggregate; pSub->selFlags &= ~SF_Compound; pSub->nSelectRow = 0; - sqlite3ExprListDelete(db, pSub->pEList); + sqlite3ParserAddCleanup(pParse, sqlite3ExprListDeleteGeneric, pSub->pEList); pTerm = pPrior ? sqlite3ExprDup(db, pCount, 0) : pCount; pSub->pEList = sqlite3ExprListAppend(pParse, 0, pTerm); pTerm = sqlite3PExpr(pParse, TK_SELECT, 0, 0); @@ -145147,7 +148878,6 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ #endif return 1; } -#endif /* SQLITE_COUNTOFVIEW_OPTIMIZATION */ /* ** If any term of pSrc, or any SF_NestedFrom sub-query, is not the same @@ -145305,9 +149035,8 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3TreeViewExprList(0, p->pOrderBy, 0, "ORDERBY"); } #endif - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3ExprListDelete, - p->pOrderBy); + sqlite3ParserAddCleanup(pParse, sqlite3ExprListDeleteGeneric, + p->pOrderBy); testcase( pParse->earlyCleanup ); p->pOrderBy = 0; } @@ -145388,22 +149117,58 @@ SQLITE_PRIVATE int sqlite3Select( ** to a real table */ assert( pTab!=0 ); - /* Convert LEFT JOIN into JOIN if there are terms of the right table - ** of the LEFT JOIN used in the WHERE clause. + /* Try to simplify joins: + ** + ** LEFT JOIN -> JOIN + ** RIGHT JOIN -> JOIN + ** FULL JOIN -> RIGHT JOIN + ** + ** If terms of the i-th table are used in the WHERE clause in such a + ** way that the i-th table cannot be the NULL row of a join, then + ** perform the appropriate simplification. This is called + ** "OUTER JOIN strength reduction" in the SQLite documentation. */ - if( (pItem->fg.jointype & (JT_LEFT|JT_RIGHT))==JT_LEFT - && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor) + if( (pItem->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 + && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor, + pItem->fg.jointype & JT_LTORJ) && OptimizationEnabled(db, SQLITE_SimplifyJoin) ){ - TREETRACE(0x1000,pParse,p, - ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); - pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); - assert( pItem->iCursor>=0 ); - unsetJoinExpr(p->pWhere, pItem->iCursor, - pTabList->a[0].fg.jointype & JT_LTORJ); + if( pItem->fg.jointype & JT_LEFT ){ + if( pItem->fg.jointype & JT_RIGHT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to RIGHT-JOIN on term %d\n",i)); + pItem->fg.jointype &= ~JT_LEFT; + }else{ + TREETRACE(0x1000,pParse,p, + ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); + pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); + unsetJoinExpr(p->pWhere, pItem->iCursor, 0); + } + } + if( pItem->fg.jointype & JT_LTORJ ){ + for(j=i+1; jnSrc; j++){ + SrcItem *pI2 = &pTabList->a[j]; + if( pI2->fg.jointype & JT_RIGHT ){ + if( pI2->fg.jointype & JT_LEFT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to LEFT-JOIN on term %d\n",j)); + pI2->fg.jointype &= ~JT_RIGHT; + }else{ + TREETRACE(0x1000,pParse,p, + ("RIGHT-JOIN simplifies to JOIN on term %d\n",j)); + pI2->fg.jointype &= ~(JT_RIGHT|JT_OUTER); + unsetJoinExpr(p->pWhere, pI2->iCursor, 1); + } + } + } + for(j=pTabList->nSrc-1; j>=0; j--){ + pTabList->a[j].fg.jointype &= ~JT_LTORJ; + if( pTabList->a[j].fg.jointype & JT_RIGHT ) break; + } + } } - /* No futher action if this term of the FROM clause is no a subquery */ + /* No further action if this term of the FROM clause is not a subquery */ if( pSub==0 ) continue; /* Catch mismatch in the declared columns of a view and the number of @@ -145414,6 +149179,14 @@ SQLITE_PRIVATE int sqlite3Select( goto select_end; } + /* Do not attempt the usual optimizations (flattening and ORDER BY + ** elimination) on a MATERIALIZED common table expression because + ** a MATERIALIZED common table expression is an optimization fence. + */ + if( pItem->fg.isCte && pItem->u2.pCteUse->eM10d==M10d_Yes ){ + continue; + } + /* Do not try to flatten an aggregate subquery. ** ** Flattening an aggregate subquery is only possible if the outer query @@ -145443,6 +149216,8 @@ SQLITE_PRIVATE int sqlite3Select( ** (a) The outer query has a different ORDER BY clause ** (b) The subquery is part of a join ** See forum post 062d576715d277c8 + ** + ** Also retain the ORDER BY if the OmitOrderBy optimization is disabled. */ if( pSub->pOrderBy!=0 && (p->pOrderBy!=0 || pTabList->nSrc>1) /* Condition (5) */ @@ -145453,9 +149228,8 @@ SQLITE_PRIVATE int sqlite3Select( ){ TREETRACE(0x800,pParse,p, ("omit superfluous ORDER BY on %r FROM-clause subquery\n",i+1)); - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))sqlite3ExprListDelete, - pSub->pOrderBy); + sqlite3ParserAddCleanup(pParse, sqlite3ExprListDeleteGeneric, + pSub->pOrderBy); pSub->pOrderBy = 0; } @@ -145536,14 +149310,12 @@ SQLITE_PRIVATE int sqlite3Select( TREETRACE(0x2000,pParse,p,("Constant propagation not helpful\n")); } -#ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION if( OptimizationEnabled(db, SQLITE_QueryFlattener|SQLITE_CountOfView) && countOfViewOptimization(pParse, p) ){ if( db->mallocFailed ) goto select_end; pTabList = p->pSrc; } -#endif /* For each term in the FROM clause, do two things: ** (1) Authorized unreferenced tables @@ -145602,7 +149374,7 @@ SQLITE_PRIVATE int sqlite3Select( if( OptimizationEnabled(db, SQLITE_PushDown) && (pItem->fg.isCte==0 || (pItem->u2.pCteUse->eM10d!=M10d_Yes && pItem->u2.pCteUse->nUse<2)) - && pushDownWhereTerms(pParse, pSub, p->pWhere, pItem) + && pushDownWhereTerms(pParse, pSub, p->pWhere, pTabList, i) ){ #if TREETRACE_ENABLED if( sqlite3TreeTrace & 0x4000 ){ @@ -145616,6 +149388,22 @@ SQLITE_PRIVATE int sqlite3Select( TREETRACE(0x4000,pParse,p,("Push-down not possible\n")); } + /* Convert unused result columns of the subquery into simple NULL + ** expressions, to avoid unneeded searching and computation. + */ + if( OptimizationEnabled(db, SQLITE_NullUnusedCols) + && disableUnusedSubqueryResultColumns(pItem) + ){ +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x4000 ){ + TREETRACE(0x4000,pParse,p, + ("Change unused result columns to NULL for subquery %d:\n", + pSub->selId)); + sqlite3TreeViewSelect(0, p, 0); + } +#endif + } + zSavedAuthContext = pParse->zAuthContext; pParse->zAuthContext = pItem->zName; @@ -145643,7 +149431,7 @@ SQLITE_PRIVATE int sqlite3Select( }else if( pItem->fg.isCte && pItem->u2.pCteUse->addrM9e>0 ){ /* This is a CTE for which materialization code has already been ** generated. Invoke the subroutine to compute the materialization, - ** the make the pItem->iCursor be a copy of the ephemerial table that + ** the make the pItem->iCursor be a copy of the ephemeral table that ** holds the result of the materialization. */ CteUse *pCteUse = pItem->u2.pCteUse; sqlite3VdbeAddOp2(v, OP_Gosub, pCteUse->regRtn, pCteUse->addrM9e); @@ -145970,8 +149758,7 @@ SQLITE_PRIVATE int sqlite3Select( */ pAggInfo = sqlite3DbMallocZero(db, sizeof(*pAggInfo) ); if( pAggInfo ){ - sqlite3ParserAddCleanup(pParse, - (void(*)(sqlite3*,void*))agginfoFree, pAggInfo); + sqlite3ParserAddCleanup(pParse, agginfoFree, pAggInfo); testcase( pParse->earlyCleanup ); } if( db->mallocFailed ){ @@ -146026,7 +149813,7 @@ SQLITE_PRIVATE int sqlite3Select( */ if( pGroupBy ){ KeyInfo *pKeyInfo; /* Keying information for the group by clause */ - int addr1; /* A-vs-B comparision jump */ + int addr1; /* A-vs-B comparison jump */ int addrOutputRow; /* Start of subroutine that outputs a result row */ int regOutputRow; /* Return address register for output subroutine */ int addrSetAbort; /* Set the abort flag and return */ @@ -146117,9 +149904,13 @@ SQLITE_PRIVATE int sqlite3Select( int nCol; int nGroupBy; - explainTempTable(pParse, +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExp; /* Address of OP_Explain instruction */ +#endif + ExplainQueryPlan2(addrExp, (pParse, 0, "USE TEMP B-TREE FOR %s", (sDistinct.isTnct && (p->selFlags&SF_Distinct)==0) ? - "DISTINCT" : "GROUP BY"); + "DISTINCT" : "GROUP BY" + )); groupBySort = 1; nGroupBy = pGroupBy->nExpr; @@ -146144,18 +149935,23 @@ SQLITE_PRIVATE int sqlite3Select( } pAggInfo->directMode = 0; regRecord = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, 0, sqlite3VdbeCurrentAddr(v)); sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord); sqlite3VdbeAddOp2(v, OP_SorterInsert, pAggInfo->sortingIdx, regRecord); + sqlite3VdbeScanStatusRange(v, addrExp, sqlite3VdbeCurrentAddr(v)-2, -1); sqlite3ReleaseTempReg(pParse, regRecord); sqlite3ReleaseTempRange(pParse, regBase, nCol); TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); pAggInfo->sortingIdxPTab = sortPTab = pParse->nTab++; sortOut = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, sqlite3VdbeCurrentAddr(v), 0); sqlite3VdbeAddOp3(v, OP_OpenPseudo, sortPTab, sortOut, nCol); sqlite3VdbeAddOp2(v, OP_SorterSort, pAggInfo->sortingIdx, addrEnd); VdbeComment((v, "GROUP BY sort")); VdbeCoverage(v); pAggInfo->useSortingIdx = 1; + sqlite3VdbeScanStatusRange(v, addrExp, -1, sortPTab); + sqlite3VdbeScanStatusRange(v, addrExp, -1, pAggInfo->sortingIdx); } /* If there are entries in pAgggInfo->aFunc[] that contain subexpressions @@ -146883,6 +150679,10 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( sqlite3ErrorMsg(pParse, "cannot create triggers on virtual tables"); goto trigger_orphan_error; } + if( (pTab->tabFlags & TF_Shadow)!=0 && sqlite3ReadOnlyShadowTables(db) ){ + sqlite3ErrorMsg(pParse, "cannot create triggers on shadow tables"); + goto trigger_orphan_error; + } /* Check that the trigger name is not reserved and that no trigger of the ** specified name exists */ @@ -147666,10 +151466,17 @@ static void codeReturningTrigger( SrcList sFrom; assert( v!=0 ); - assert( pParse->bReturning ); + if( !pParse->bReturning ){ + /* This RETURNING trigger must be for a different statement as + ** this statement lacks a RETURNING clause. */ + return; + } assert( db->pParse==pParse ); pReturning = pParse->u1.pReturning; - assert( pTrigger == &(pReturning->retTrig) ); + if( pTrigger != &(pReturning->retTrig) ){ + /* This RETURNING trigger is for a different statement */ + return; + } memset(&sSelect, 0, sizeof(sSelect)); memset(&sFrom, 0, sizeof(sFrom)); sSelect.pEList = sqlite3ExprListDup(db, pReturning->pReturnEL, 0); @@ -148153,6 +151960,9 @@ SQLITE_PRIVATE u32 sqlite3TriggerColmask( Trigger *p; assert( isNew==1 || isNew==0 ); + if( IsView(pTab) ){ + return 0xffffffff; + } for(p=pTrigger; p; p=p->pNext){ if( p->op==op && (tr_tm&p->tr_tm) @@ -148403,7 +152213,7 @@ static void updateFromSelect( assert( pTabList->nSrc>1 ); if( pSrc ){ - pSrc->a[0].fg.notCte = 1; + assert( pSrc->a[0].fg.notCte ); pSrc->a[0].iCursor = -1; pSrc->a[0].pTab->nTabRef--; pSrc->a[0].pTab = 0; @@ -148587,7 +152397,7 @@ SQLITE_PRIVATE void sqlite3Update( if( sqlite3ViewGetColumnNames(pParse, pTab) ){ goto update_cleanup; } - if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ + if( sqlite3IsReadOnly(pParse, pTab, pTrigger) ){ goto update_cleanup; } @@ -148920,7 +152730,7 @@ SQLITE_PRIVATE void sqlite3Update( && !hasFK && !chngKey && !bReplace - && (sNC.ncFlags & NC_Subquery)==0 + && (pWhere==0 || !ExprHasProperty(pWhere, EP_Subquery)) ){ flags |= WHERE_ONEPASS_MULTIROW; } @@ -148992,6 +152802,8 @@ SQLITE_PRIVATE void sqlite3Update( if( !isView ){ int addrOnce = 0; + int iNotUsed1 = 0; + int iNotUsed2 = 0; /* Open every index that needs updating. */ if( eOnePass!=ONEPASS_OFF ){ @@ -149003,7 +152815,7 @@ SQLITE_PRIVATE void sqlite3Update( addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenWrite, 0, iBaseCur, - aToOpen, 0, 0); + aToOpen, &iNotUsed1, &iNotUsed2); if( addrOnce ){ sqlite3VdbeJumpHereOrPopInst(v, addrOnce); } @@ -149294,8 +153106,10 @@ SQLITE_PRIVATE void sqlite3Update( sqlite3VdbeAddOp2(v, OP_AddImm, regRowCount, 1); } - sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, - TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, + TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + } /* Repeat the above with the next record to be updated, until ** all record selected by the WHERE clause have been updated. @@ -149390,7 +153204,7 @@ static void updateVirtualTable( int nArg = 2 + pTab->nCol; /* Number of arguments to VUpdate */ int regArg; /* First register in VUpdate arg array */ int regRec; /* Register in which to assemble record */ - int regRowid; /* Register for ephem table rowid */ + int regRowid; /* Register for ephemeral table rowid */ int iCsr = pSrc->a[0].iCursor; /* Cursor used for virtual table scan */ int aDummy[2]; /* Unused arg for sqlite3WhereOkOnePass() */ int eOnePass; /* True to use onepass strategy */ @@ -149434,7 +153248,9 @@ static void updateVirtualTable( sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0) ); }else{ - pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); + Expr *pRowExpr = exprRowColumn(pParse, i); + if( pRowExpr ) pRowExpr->op2 = OPFLAG_NOCHNG; + pList = sqlite3ExprListAppend(pParse, pList, pRowExpr); } } @@ -149511,7 +153327,7 @@ static void updateVirtualTable( sqlite3WhereEnd(pWInfo); } - /* Begin scannning through the ephemeral table. */ + /* Begin scanning through the ephemeral table. */ addr = sqlite3VdbeAddOp1(v, OP_Rewind, ephemTab); VdbeCoverage(v); /* Extract arguments from the current row of the ephemeral table and @@ -149719,7 +153535,7 @@ SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget( pExpr = &sCol[0]; } for(jj=0; jja[jj].pExpr,pExpr,iCursor)<2 ){ + if( sqlite3ExprCompare(0,pTarget->a[jj].pExpr,pExpr,iCursor)<2 ){ break; /* Column ii of the index matches column jj of target */ } } @@ -150068,7 +153884,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( ** (possibly synchronous) transaction opened on the main database before ** sqlite3BtreeCopyFile() is called. ** - ** An optimisation would be to use a non-journaled pager. + ** An optimization would be to use a non-journaled pager. ** (Later:) I tried setting "PRAGMA vacuum_db.journal_mode=OFF" but ** that actually made the VACUUM run slower. Very little journalling ** actually occurs when doing a vacuum since the vacuum_db is initially @@ -150591,7 +154407,6 @@ SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3 *db){ if( p ){ db->pDisconnect = 0; - sqlite3ExpirePreparedStatements(db, 0); do { VTable *pNext = p->pNext; sqlite3VtabUnlock(p); @@ -150757,7 +154572,7 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ ** the information we've collected. ** ** The VM register number pParse->regRowid holds the rowid of an - ** entry in the sqlite_schema table tht was created for this vtab + ** entry in the sqlite_schema table that was created for this vtab ** by sqlite3StartTable(). */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -151097,7 +154912,7 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ sqlite3_mutex_enter(db->mutex); pCtx = db->pVtabCtx; if( !pCtx || pCtx->bDeclared ){ - sqlite3Error(db, SQLITE_MISUSE); + sqlite3Error(db, SQLITE_MISUSE_BKPT); sqlite3_mutex_leave(db->mutex); return SQLITE_MISUSE_BKPT; } @@ -151378,7 +155193,10 @@ SQLITE_PRIVATE int sqlite3VtabSavepoint(sqlite3 *db, int op, int iSavepoint){ break; } if( xMethod && pVTab->iSavepoint>iSavepoint ){ + u64 savedFlags = (db->flags & SQLITE_Defensive); + db->flags &= ~(u64)SQLITE_Defensive; rc = xMethod(pVTab->pVtab, iSavepoint); + db->flags |= savedFlags; } sqlite3VtabUnlock(pVTab); } @@ -151498,7 +155316,7 @@ SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){ ** ** An eponymous virtual table instance is one that is named after its ** module, and more importantly, does not require a CREATE VIRTUAL TABLE -** statement in order to come into existance. Eponymous virtual table +** statement in order to come into existence. Eponymous virtual table ** instances always exist. They cannot be DROP-ed. ** ** Any virtual table module for which xConnect and xCreate are the same @@ -151607,6 +155425,10 @@ SQLITE_API int sqlite3_vtab_config(sqlite3 *db, int op, ...){ p->pVTable->eVtabRisk = SQLITE_VTABRISK_High; break; } + case SQLITE_VTAB_USES_ALL_SCHEMAS: { + p->pVTable->bAllSchemas = 1; + break; + } default: { rc = SQLITE_MISUSE_BKPT; break; @@ -151685,7 +155507,7 @@ typedef struct WhereRightJoin WhereRightJoin; /* ** This object is a header on a block of allocated memory that will be -** automatically freed when its WInfo oject is destructed. +** automatically freed when its WInfo object is destructed. */ struct WhereMemBlock { WhereMemBlock *pNext; /* Next block in the chain */ @@ -151746,7 +155568,7 @@ struct WhereLevel { int iCur; /* The VDBE cursor used by this IN operator */ int addrInTop; /* Top of the IN loop */ int iBase; /* Base register of multi-key index record */ - int nPrefix; /* Number of prior entires in the key */ + int nPrefix; /* Number of prior entries in the key */ u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */ } *aInLoop; /* Information about each nested IN operator */ } in; /* Used when pWLoop->wsFlags&WHERE_IN_ABLE */ @@ -151996,7 +155818,7 @@ struct WhereClause { int nTerm; /* Number of terms */ int nSlot; /* Number of entries in a[] */ int nBase; /* Number of terms through the last non-Virtual */ - WhereTerm *a; /* Each a[] describes a term of the WHERE cluase */ + WhereTerm *a; /* Each a[] describes a term of the WHERE clause */ #if defined(SQLITE_SMALL_STACK) WhereTerm aStatic[1]; /* Initial static space for a[] */ #else @@ -152150,7 +155972,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereGetMask(WhereMaskSet*,int); #ifdef WHERETRACE_ENABLED SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC); SQLITE_PRIVATE void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm); -SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC); +SQLITE_PRIVATE void sqlite3WhereLoopPrint(const WhereLoop *p, const WhereClause *pWC); #endif SQLITE_PRIVATE WhereTerm *sqlite3WhereFindTerm( WhereClause *pWC, /* The WHERE clause to be searched */ @@ -152281,7 +156103,7 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, SrcItem*, WhereClause*); #define WHERE_BLOOMFILTER 0x00400000 /* Consider using a Bloom-filter */ #define WHERE_SELFCULL 0x00800000 /* nOut reduced by extra WHERE terms */ #define WHERE_OMIT_OFFSET 0x01000000 /* Set offset counter to zero */ -#define WHERE_VIEWSCAN 0x02000000 /* A full-scan of a VIEW or subquery */ + /* 0x02000000 -- available for reuse */ #define WHERE_EXPRIDX 0x04000000 /* Uses an index-on-expressions */ #endif /* !defined(SQLITE_WHEREINT_H) */ @@ -152380,9 +156202,9 @@ static void explainIndexRange(StrAccum *pStr, WhereLoop *pLoop){ /* ** This function is a no-op unless currently processing an EXPLAIN QUERY PLAN -** command, or if either SQLITE_DEBUG or SQLITE_ENABLE_STMT_SCANSTATUS was -** defined at compile-time. If it is not a no-op, a single OP_Explain opcode -** is added to the output to describe the table scan strategy in pLevel. +** command, or if stmt_scanstatus_v2() stats are enabled, or if SQLITE_DEBUG +** was defined at compile-time. If it is not a no-op, a single OP_Explain +** opcode is added to the output to describe the table scan strategy in pLevel. ** ** If an OP_Explain opcode is added to the VM, its address is returned. ** Otherwise, if no OP_Explain is coded, zero is returned. @@ -152394,8 +156216,8 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( u16 wctrlFlags /* Flags passed to sqlite3WhereBegin() */ ){ int ret = 0; -#if !defined(SQLITE_DEBUG) && !defined(SQLITE_ENABLE_STMT_SCANSTATUS) - if( sqlite3ParseToplevel(pParse)->explain==2 ) +#if !defined(SQLITE_DEBUG) + if( sqlite3ParseToplevel(pParse)->explain==2 || IS_STMT_SCANSTATUS(pParse->db) ) #endif { SrcItem *pItem = &pTabList->a[pLevel->iFrom]; @@ -152561,27 +156383,35 @@ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( WhereLevel *pLvl, /* Level to add scanstatus() entry for */ int addrExplain /* Address of OP_Explain (or 0) */ ){ - const char *zObj = 0; - WhereLoop *pLoop = pLvl->pWLoop; - int wsFlags = pLoop->wsFlags; - int viaCoroutine = 0; + if( IS_STMT_SCANSTATUS( sqlite3VdbeDb(v) ) ){ + const char *zObj = 0; + WhereLoop *pLoop = pLvl->pWLoop; + int wsFlags = pLoop->wsFlags; + int viaCoroutine = 0; - if( (wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ - zObj = pLoop->u.btree.pIndex->zName; - }else{ - zObj = pSrclist->a[pLvl->iFrom].zName; - viaCoroutine = pSrclist->a[pLvl->iFrom].fg.viaCoroutine; - } - sqlite3VdbeScanStatus( - v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj - ); - - if( viaCoroutine==0 ){ - if( (wsFlags & (WHERE_MULTI_OR|WHERE_AUTO_INDEX))==0 ){ - sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iTabCur); + if( (wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ + zObj = pLoop->u.btree.pIndex->zName; + }else{ + zObj = pSrclist->a[pLvl->iFrom].zName; + viaCoroutine = pSrclist->a[pLvl->iFrom].fg.viaCoroutine; } - if( wsFlags & WHERE_INDEXED ){ - sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur); + sqlite3VdbeScanStatus( + v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj + ); + + if( viaCoroutine==0 ){ + if( (wsFlags & (WHERE_MULTI_OR|WHERE_AUTO_INDEX))==0 ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iTabCur); + } + if( wsFlags & WHERE_INDEXED ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur); + } + }else{ + int addr = pSrclist->a[pLvl->iFrom].addrFillSub; + VdbeOp *pOp = sqlite3VdbeGetOp(v, addr-1); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->opcode==OP_InitCoroutine ); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->p2>addr ); + sqlite3VdbeScanStatusRange(v, addrExplain, addr, pOp->p2-1); } } } @@ -153079,7 +156909,7 @@ static int codeAllEqualityTerms( /* Figure out how many memory cells we will need then allocate them. */ regBase = pParse->nMem + 1; - nReg = pLoop->u.btree.nEq + nExtraReg; + nReg = nEq + nExtraReg; pParse->nMem += nReg; zAff = sqlite3DbStrDup(pParse->db,sqlite3IndexAffinityStr(pParse->db,pIdx)); @@ -153126,9 +156956,6 @@ static int codeAllEqualityTerms( sqlite3VdbeAddOp2(v, OP_Copy, r1, regBase+j); } } - } - for(j=nSkip; jaLTerm[j]; if( pTerm->eOperator & WO_IN ){ if( pTerm->pExpr->flags & EP_xIsSelect ){ /* No affinity ever needs to be (or should be) applied to a value @@ -153271,18 +157098,19 @@ static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){ ** 2) transform the expression node to a TK_REGISTER node that reads ** from the newly populated register. ** -** Also, if the node is a TK_COLUMN that does access the table idenified +** Also, if the node is a TK_COLUMN that does access the table identified ** by pCCurHint.iTabCur, and an index is being used (which we will ** know because CCurHint.pIdx!=0) then transform the TK_COLUMN into ** an access of the index rather than the original table. */ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ int rc = WRC_Continue; + int reg; struct CCurHint *pHint = pWalker->u.pCCurHint; if( pExpr->op==TK_COLUMN ){ if( pExpr->iTable!=pHint->iTabCur ){ - int reg = ++pWalker->pParse->nMem; /* Register for column value */ - sqlite3ExprCode(pWalker->pParse, pExpr, reg); + reg = ++pWalker->pParse->nMem; /* Register for column value */ + reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg); pExpr->op = TK_REGISTER; pExpr->iTable = reg; }else if( pHint->pIdx!=0 ){ @@ -153290,15 +157118,15 @@ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ pExpr->iColumn = sqlite3TableColumnToIndex(pHint->pIdx, pExpr->iColumn); assert( pExpr->iColumn>=0 ); } - }else if( pExpr->op==TK_AGG_FUNCTION ){ - /* An aggregate function in the WHERE clause of a query means this must - ** be a correlated sub-query, and expression pExpr is an aggregate from - ** the parent context. Do not walk the function arguments in this case. - ** - ** todo: It should be possible to replace this node with a TK_REGISTER - ** expression, as the result of the expression must be stored in a - ** register at this point. The same holds for TK_AGG_COLUMN nodes. */ + }else if( pExpr->pAggInfo ){ rc = WRC_Prune; + reg = ++pWalker->pParse->nMem; /* Register for column value */ + reg = sqlite3ExprCodeTarget(pWalker->pParse, pExpr, reg); + pExpr->op = TK_REGISTER; + pExpr->iTable = reg; + }else if( pExpr->op==TK_TRUEFALSE ){ + /* Do not walk disabled expressions. tag-20230504-1 */ + return WRC_Prune; } return rc; } @@ -153400,7 +157228,7 @@ static void codeCursorHint( } if( pExpr!=0 ){ sWalker.xExprCallback = codeCursorHintFixExpr; - sqlite3WalkExpr(&sWalker, pExpr); + if( pParse->nErr==0 ) sqlite3WalkExpr(&sWalker, pExpr); sqlite3VdbeAddOp4(v, OP_CursorHint, (sHint.pIdx ? sHint.iIdxCur : sHint.iTabCur), 0, 0, (const char*)pExpr, P4_EXPR); @@ -153888,7 +157716,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( }; assert( TK_LE==TK_GT+1 ); /* Make sure the ordering.. */ assert( TK_LT==TK_GT+2 ); /* ... of the TK_xx values... */ - assert( TK_GE==TK_GT+3 ); /* ... is correcct. */ + assert( TK_GE==TK_GT+3 ); /* ... is correct. */ assert( (pStart->wtFlags & TERM_VNULL)==0 ); testcase( pStart->wtFlags & TERM_VIRTUAL ); @@ -154194,7 +158022,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** guess. */ addrSeekScan = sqlite3VdbeAddOp1(v, OP_SeekScan, (pIdx->aiRowLogEst[0]+9)/10); - if( pRangeStart ){ + if( pRangeStart || pRangeEnd ){ sqlite3VdbeChangeP5(v, 1); sqlite3VdbeChangeP2(v, addrSeekScan, sqlite3VdbeCurrentAddr(v)+1); addrSeekScan = 0; @@ -154235,16 +158063,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( assert( pLevel->p2==0 ); if( pRangeEnd ){ Expr *pRight = pRangeEnd->pExpr->pRight; - if( addrSeekScan ){ - /* For a seek-scan that has a range on the lowest term of the index, - ** we have to make the top of the loop be code that sets the end - ** condition of the range. Otherwise, the OP_SeekScan might jump - ** over that initialization, leaving the range-end value set to the - ** range-start value, resulting in a wrong answer. - ** See ticket 5981a8c041a3c2f3 (2021-11-02). - */ - pLevel->p2 = sqlite3VdbeCurrentAddr(v); - } + assert( addrSeekScan==0 ); codeExprOrVector(pParse, pRight, regBase+nEq, nTop); whereLikeOptimizationStringFixup(v, pLevel, pRangeEnd); if( (pRangeEnd->wtFlags & TERM_VNULL)==0 @@ -154278,7 +158097,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( if( zEndAff ) sqlite3DbNNFreeNN(db, zEndAff); /* Top of the loop body */ - if( pLevel->p2==0 ) pLevel->p2 = sqlite3VdbeCurrentAddr(v); + pLevel->p2 = sqlite3VdbeCurrentAddr(v); /* Check if the index cursor is past the end of the range. */ if( nConstraint ){ @@ -155077,7 +158896,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE void sqlite3WhereRightJoinLoop( ** the WHERE clause of SQL statements. ** ** This file was originally part of where.c but was split out to improve -** readability and editabiliity. This file contains utility routines for +** readability and editability. This file contains utility routines for ** analyzing Expr objects in the WHERE clause. */ /* #include "sqliteInt.h" */ @@ -155293,7 +159112,7 @@ static int isLikeOrGlob( ** range search. The third is because the caller assumes that the pattern ** consists of at least one character after all escapes have been ** removed. */ - if( cnt!=0 && 255!=(u8)z[cnt-1] && (cnt>1 || z[0]!=wc[3]) ){ + if( (cnt>1 || (cnt>0 && z[0]!=wc[3])) && 255!=(u8)z[cnt-1] ){ Expr *pPrefix; /* A "complete" match if the pattern ends with "*" or "%" */ @@ -155866,7 +159685,7 @@ static void exprAnalyzeOrTerm( pOrTerm->leftCursor))==0 ){ /* This term must be of the form t1.a==t2.b where t2 is in the ** chngToIN set but t1 is not. This term will be either preceded - ** or follwed by an inverted copy (t2.b==t1.a). Skip this term + ** or followed by an inverted copy (t2.b==t1.a). Skip this term ** and use its inversion. */ testcase( pOrTerm->wtFlags & TERM_COPIED ); testcase( pOrTerm->wtFlags & TERM_VIRTUAL ); @@ -156128,8 +159947,8 @@ static void exprAnalyze( WhereTerm *pTerm; /* The term to be analyzed */ WhereMaskSet *pMaskSet; /* Set of table index masks */ Expr *pExpr; /* The expression to be analyzed */ - Bitmask prereqLeft; /* Prerequesites of the pExpr->pLeft */ - Bitmask prereqAll; /* Prerequesites of pExpr */ + Bitmask prereqLeft; /* Prerequisites of the pExpr->pLeft */ + Bitmask prereqAll; /* Prerequisites of pExpr */ Bitmask extraRight = 0; /* Extra dependencies on LEFT JOIN */ Expr *pStr1 = 0; /* RHS of LIKE/GLOB operator */ int isComplete = 0; /* RHS of LIKE/GLOB ends with wildcard */ @@ -156275,7 +160094,7 @@ static void exprAnalyze( && 0==sqlite3ExprCanBeNull(pLeft) ){ assert( !ExprHasProperty(pExpr, EP_IntValue) ); - pExpr->op = TK_TRUEFALSE; + pExpr->op = TK_TRUEFALSE; /* See tag-20230504-1 */ pExpr->u.zToken = "false"; ExprSetProperty(pExpr, EP_IsFalse); pTerm->prereqAll = 0; @@ -156920,9 +160739,12 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( pRhs = sqlite3PExpr(pParse, TK_UPLUS, sqlite3ExprDup(pParse->db, pArgs->a[j].pExpr, 0), 0); pTerm = sqlite3PExpr(pParse, TK_EQ, pColRef, pRhs); - if( pItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT) ){ + if( pItem->fg.jointype & (JT_LEFT|JT_RIGHT) ){ + testcase( pItem->fg.jointype & JT_LEFT ); /* testtag-20230227a */ + testcase( pItem->fg.jointype & JT_RIGHT ); /* testtag-20230227b */ joinType = EP_OuterON; }else{ + testcase( pItem->fg.jointype & JT_LTORJ ); /* testtag-20230227c */ joinType = EP_InnerON; } sqlite3SetJoinExpr(pTerm, pItem->iCursor, joinType); @@ -157612,12 +161434,22 @@ static void translateColumnToCopy( for(; iStartp1!=iTabCur ) continue; if( pOp->opcode==OP_Column ){ +#ifdef SQLITE_DEBUG + if( pParse->db->flags & SQLITE_VdbeAddopTrace ){ + printf("TRANSLATE OP_Column to OP_Copy at %d\n", iStart); + } +#endif pOp->opcode = OP_Copy; pOp->p1 = pOp->p2 + iRegister; pOp->p2 = pOp->p3; pOp->p3 = 0; pOp->p5 = 2; /* Cause the MEM_Subtype flag to be cleared */ }else if( pOp->opcode==OP_Rowid ){ +#ifdef SQLITE_DEBUG + if( pParse->db->flags & SQLITE_VdbeAddopTrace ){ + printf("TRANSLATE OP_Rowid to OP_Sequence at %d\n", iStart); + } +#endif pOp->opcode = OP_Sequence; pOp->p1 = iAutoidxCur; #ifdef SQLITE_ALLOW_ROWID_IN_VIEW @@ -157765,7 +161597,7 @@ static void explainAutomaticIndex( int bPartial, /* True if pIdx is a partial index */ int *pAddrExplain /* OUT: Address of OP_Explain */ ){ - if( pParse->explain!=2 ){ + if( IS_STMT_SCANSTATUS(pParse->db) && pParse->explain!=2 ){ Table *pTab = pIdx->pTable; const char *zSep = ""; char *zText = 0; @@ -157804,8 +161636,7 @@ static void explainAutomaticIndex( */ static SQLITE_NOINLINE void constructAutomaticIndex( Parse *pParse, /* The parsing context */ - const WhereClause *pWC, /* The WHERE clause */ - const SrcItem *pSrc, /* The FROM clause term to get the next index */ + WhereClause *pWC, /* The WHERE clause */ const Bitmask notReady, /* Mask of cursors that are not available */ WhereLevel *pLevel /* Write new index here */ ){ @@ -157826,10 +161657,12 @@ static SQLITE_NOINLINE void constructAutomaticIndex( char *zNotUsed; /* Extra space on the end of pIdx */ Bitmask idxCols; /* Bitmap of columns used for indexing */ Bitmask extraCols; /* Bitmap of additional columns */ - u8 sentWarning = 0; /* True if a warnning has been issued */ + u8 sentWarning = 0; /* True if a warning has been issued */ + u8 useBloomFilter = 0; /* True to also add a Bloom filter */ Expr *pPartial = 0; /* Partial Index Expression */ int iContinue = 0; /* Jump here to skip excluded rows */ - SrcItem *pTabItem; /* FROM clause term being indexed */ + SrcList *pTabList; /* The complete FROM clause */ + SrcItem *pSrc; /* The FROM clause term to get the next index */ int addrCounter = 0; /* Address where integer counter is initialized */ int regBase; /* Array of registers where record is assembled */ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS @@ -157845,6 +161678,8 @@ static SQLITE_NOINLINE void constructAutomaticIndex( /* Count the number of columns that will be added to the index ** and used to match WHERE clause constraints */ nKeyCol = 0; + pTabList = pWC->pWInfo->pTabList; + pSrc = &pTabList->a[pLevel->iFrom]; pTable = pSrc->pTab; pWCEnd = &pWC->a[pWC->nTerm]; pLoop = pLevel->pWLoop; @@ -157855,7 +161690,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex( ** WHERE clause (or the ON clause of a LEFT join) that constrain which ** rows of the target table (pSrc) that can be used. */ if( (pTerm->wtFlags & TERM_VIRTUAL)==0 - && sqlite3ExprIsTableConstraint(pExpr, pSrc) + && sqlite3ExprIsSingleTableConstraint(pExpr, pTabList, pLevel->iFrom) ){ pPartial = sqlite3ExprAnd(pParse, pPartial, sqlite3ExprDup(pParse->db, pExpr, 0)); @@ -157896,7 +161731,11 @@ static SQLITE_NOINLINE void constructAutomaticIndex( ** original table changes and the index and table cannot both be used ** if they go out of sync. */ - extraCols = pSrc->colUsed & (~idxCols | MASKBIT(BMS-1)); + if( IsView(pTable) ){ + extraCols = ALLBITS; + }else{ + extraCols = pSrc->colUsed & (~idxCols | MASKBIT(BMS-1)); + } mxBitCol = MIN(BMS-1,pTable->nCol); testcase( pTable->nCol==BMS-1 ); testcase( pTable->nCol==BMS-2 ); @@ -157932,6 +161771,16 @@ static SQLITE_NOINLINE void constructAutomaticIndex( assert( pColl!=0 || pParse->nErr>0 ); /* TH3 collate01.800 */ pIdx->azColl[n] = pColl ? pColl->zName : sqlite3StrBINARY; n++; + if( ALWAYS(pX->pLeft!=0) + && sqlite3ExprAffinity(pX->pLeft)!=SQLITE_AFF_TEXT + ){ + /* TUNING: only use a Bloom filter on an automatic index + ** if one or more key columns has the ability to hold numeric + ** values, since strings all have the same hash in the Bloom + ** filter implementation and hence a Bloom filter on a text column + ** is not usually helpful. */ + useBloomFilter = 1; + } } } } @@ -157964,20 +161813,21 @@ static SQLITE_NOINLINE void constructAutomaticIndex( sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); VdbeComment((v, "for %s", pTable->zName)); - if( OptimizationEnabled(pParse->db, SQLITE_BloomFilter) ){ + if( OptimizationEnabled(pParse->db, SQLITE_BloomFilter) && useBloomFilter ){ + sqlite3WhereExplainBloomFilter(pParse, pWC->pWInfo, pLevel); pLevel->regFilter = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Blob, 10000, pLevel->regFilter); } /* Fill the automatic index with content */ - pTabItem = &pWC->pWInfo->pTabList->a[pLevel->iFrom]; - if( pTabItem->fg.viaCoroutine ){ - int regYield = pTabItem->regReturn; + assert( pSrc == &pWC->pWInfo->pTabList->a[pLevel->iFrom] ); + if( pSrc->fg.viaCoroutine ){ + int regYield = pSrc->regReturn; addrCounter = sqlite3VdbeAddOp2(v, OP_Integer, 0, 0); - sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pTabItem->addrFillSub); + sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pSrc->addrFillSub); addrTop = sqlite3VdbeAddOp1(v, OP_Yield, regYield); VdbeCoverage(v); - VdbeComment((v, "next row of %s", pTabItem->pTab->zName)); + VdbeComment((v, "next row of %s", pSrc->pTab->zName)); }else{ addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v); } @@ -157998,14 +161848,14 @@ static SQLITE_NOINLINE void constructAutomaticIndex( sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue); - if( pTabItem->fg.viaCoroutine ){ + if( pSrc->fg.viaCoroutine ){ sqlite3VdbeChangeP2(v, addrCounter, regBase+n); testcase( pParse->db->mallocFailed ); assert( pLevel->iIdxCur>0 ); translateColumnToCopy(pParse, addrTop, pLevel->iTabCur, - pTabItem->regResult, pLevel->iIdxCur); + pSrc->regResult, pLevel->iIdxCur); sqlite3VdbeGoto(v, addrTop); - pTabItem->fg.viaCoroutine = 0; + pSrc->fg.viaCoroutine = 0; }else{ sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v); sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); @@ -158058,19 +161908,25 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( WhereLoop *pLoop = pLevel->pWLoop; /* The loop being coded */ int iCur; /* Cursor for table getting the filter */ IndexedExpr *saved_pIdxEpr; /* saved copy of Parse.pIdxEpr */ + IndexedExpr *saved_pIdxPartExpr; /* saved copy of Parse.pIdxPartExpr */ saved_pIdxEpr = pParse->pIdxEpr; + saved_pIdxPartExpr = pParse->pIdxPartExpr; pParse->pIdxEpr = 0; + pParse->pIdxPartExpr = 0; assert( pLoop!=0 ); assert( v!=0 ); assert( pLoop->wsFlags & WHERE_BLOOMFILTER ); + assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 ); addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); do{ + const SrcList *pTabList; const SrcItem *pItem; const Table *pTab; u64 sz; + int iSrc; sqlite3WhereExplainBloomFilter(pParse, pWInfo, pLevel); addrCont = sqlite3VdbeMakeLabel(pParse); iCur = pLevel->iTabCur; @@ -158084,7 +161940,9 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( ** testing complicated. By basing the blob size on the value in the ** sqlite_stat1 table, testing is much easier. */ - pItem = &pWInfo->pTabList->a[pLevel->iFrom]; + pTabList = pWInfo->pTabList; + iSrc = pLevel->iFrom; + pItem = &pTabList->a[iSrc]; assert( pItem!=0 ); pTab = pItem->pTab; assert( pTab!=0 ); @@ -158101,7 +161959,7 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( for(pTerm=pWInfo->sWC.a; pTermpExpr; if( (pTerm->wtFlags & TERM_VIRTUAL)==0 - && sqlite3ExprIsTableConstraint(pExpr, pItem) + && sqlite3ExprIsSingleTableConstraint(pExpr, pTabList, iSrc) ){ sqlite3ExprIfFalse(pParse, pTerm->pExpr, addrCont, SQLITE_JUMPIFNULL); } @@ -158150,6 +162008,7 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( }while( iLevel < pWInfo->nLevel ); sqlite3VdbeJumpHere(v, addrOnce); pParse->pIdxEpr = saved_pIdxEpr; + pParse->pIdxPartExpr = saved_pIdxPartExpr; } @@ -158405,6 +162264,9 @@ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ sqlite3ErrorMsg(pParse, "%s", pVtab->zErrMsg); } } + if( pTab->u.vtab.p->bAllSchemas ){ + sqlite3VtabUsesAllSchemas(pParse); + } sqlite3_free(pVtab->zErrMsg); pVtab->zErrMsg = 0; return rc; @@ -158662,7 +162524,7 @@ SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCo ** Value pLoop->nOut is currently set to the estimated number of rows ** visited for scanning (a=? AND b=?). This function reduces that estimate ** by some factor to account for the (c BETWEEN ? AND ?) expression based -** on the stat4 data for the index. this scan will be peformed multiple +** on the stat4 data for the index. this scan will be performed multiple ** times (once for each (a,b) combination that matches a=?) is dealt with ** by the caller. ** @@ -158914,7 +162776,8 @@ static int whereRangeScanEst( ** sample, then assume they are 4x more selective. This brings ** the estimated selectivity more in line with what it would be ** if estimated without the use of STAT4 tables. */ - if( iLwrIdx==iUprIdx ) nNew -= 20; assert( 20==sqlite3LogEst(4) ); + if( iLwrIdx==iUprIdx ){ nNew -= 20; } + assert( 20==sqlite3LogEst(4) ); }else{ nNew = 10; assert( 10==sqlite3LogEst(2) ); } @@ -158935,7 +162798,7 @@ static int whereRangeScanEst( UNUSED_PARAMETER(pBuilder); assert( pLower || pUpper ); #endif - assert( pUpper==0 || (pUpper->wtFlags & TERM_VNULL)==0 ); + assert( pUpper==0 || (pUpper->wtFlags & TERM_VNULL)==0 || pParse->nErr>0 ); nNew = whereRangeAdjust(pLower, nOut); nNew = whereRangeAdjust(pUpper, nNew); @@ -159138,17 +163001,34 @@ SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC){ #ifdef WHERETRACE_ENABLED /* ** Print a WhereLoop object for debugging purposes +** +** Format example: +** +** .--- Position in WHERE clause rSetup, rRun, nOut ---. +** | | +** | .--- selfMask nTerm ------. | +** | | | | +** | | .-- prereq Idx wsFlags----. | | +** | | | Name | | | +** | | | __|__ nEq ---. ___|__ | __|__ +** | / \ / \ / \ | / \ / \ / \ +** 1.002.001 t2.t2xy 2 f 010241 N 2 cost 0,56,31 */ -SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ - WhereInfo *pWInfo = pWC->pWInfo; - int nb = 1+(pWInfo->pTabList->nSrc+3)/4; - SrcItem *pItem = pWInfo->pTabList->a + p->iTab; - Table *pTab = pItem->pTab; - Bitmask mAll = (((Bitmask)1)<<(nb*4)) - 1; - sqlite3DebugPrintf("%c%2d.%0*llx.%0*llx", p->cId, - p->iTab, nb, p->maskSelf, nb, p->prereq & mAll); - sqlite3DebugPrintf(" %12s", - pItem->zAlias ? pItem->zAlias : pTab->zName); +SQLITE_PRIVATE void sqlite3WhereLoopPrint(const WhereLoop *p, const WhereClause *pWC){ + if( pWC ){ + WhereInfo *pWInfo = pWC->pWInfo; + int nb = 1+(pWInfo->pTabList->nSrc+3)/4; + SrcItem *pItem = pWInfo->pTabList->a + p->iTab; + Table *pTab = pItem->pTab; + Bitmask mAll = (((Bitmask)1)<<(nb*4)) - 1; + sqlite3DebugPrintf("%c%2d.%0*llx.%0*llx", p->cId, + p->iTab, nb, p->maskSelf, nb, p->prereq & mAll); + sqlite3DebugPrintf(" %12s", + pItem->zAlias ? pItem->zAlias : pTab->zName); + }else{ + sqlite3DebugPrintf("%c%2d.%03llx.%03llx %c%d", + p->cId, p->iTab, p->maskSelf, p->prereq & 0xfff, p->cId, p->iTab); + } if( (p->wsFlags & WHERE_VIRTUALTABLE)==0 ){ const char *zName; if( p->u.btree.pIndex && (zName = p->u.btree.pIndex->zName)!=0 ){ @@ -159185,6 +163065,15 @@ SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ } } } +SQLITE_PRIVATE void sqlite3ShowWhereLoop(const WhereLoop *p){ + if( p ) sqlite3WhereLoopPrint(p, 0); +} +SQLITE_PRIVATE void sqlite3ShowWhereLoopList(const WhereLoop *p){ + while( p ){ + sqlite3ShowWhereLoop(p); + p = p->pNextLoop; + } +} #endif /* @@ -159297,46 +163186,60 @@ static void whereInfoFree(sqlite3 *db, WhereInfo *pWInfo){ } /* -** Return TRUE if all of the following are true: +** Return TRUE if X is a proper subset of Y but is of equal or less cost. +** In other words, return true if all constraints of X are also part of Y +** and Y has additional constraints that might speed the search that X lacks +** but the cost of running X is not more than the cost of running Y. ** -** (1) X has the same or lower cost, or returns the same or fewer rows, -** than Y. -** (2) X uses fewer WHERE clause terms than Y -** (3) Every WHERE clause term used by X is also used by Y -** (4) X skips at least as many columns as Y -** (5) If X is a covering index, than Y is too +** In other words, return true if the cost relationwship between X and Y +** is inverted and needs to be adjusted. ** -** Conditions (2) and (3) mean that X is a "proper subset" of Y. -** If X is a proper subset of Y then Y is a better choice and ought -** to have a lower cost. This routine returns TRUE when that cost -** relationship is inverted and needs to be adjusted. Constraint (4) -** was added because if X uses skip-scan less than Y it still might -** deserve a lower cost even if it is a proper subset of Y. Constraint (5) -** was added because a covering index probably deserves to have a lower cost -** than a non-covering index even if it is a proper subset. +** Case 1: +** +** (1a) X and Y use the same index. +** (1b) X has fewer == terms than Y +** (1c) Neither X nor Y use skip-scan +** (1d) X does not have a a greater cost than Y +** +** Case 2: +** +** (2a) X has the same or lower cost, or returns the same or fewer rows, +** than Y. +** (2b) X uses fewer WHERE clause terms than Y +** (2c) Every WHERE clause term used by X is also used by Y +** (2d) X skips at least as many columns as Y +** (2e) If X is a covering index, than Y is too */ static int whereLoopCheaperProperSubset( const WhereLoop *pX, /* First WhereLoop to compare */ const WhereLoop *pY /* Compare against this WhereLoop */ ){ int i, j; - if( pX->nLTerm-pX->nSkip >= pY->nLTerm-pY->nSkip ){ - return 0; /* X is not a subset of Y */ + if( pX->rRun>pY->rRun && pX->nOut>pY->nOut ) return 0; /* (1d) and (2a) */ + assert( (pX->wsFlags & WHERE_VIRTUALTABLE)==0 ); + assert( (pY->wsFlags & WHERE_VIRTUALTABLE)==0 ); + if( pX->u.btree.nEq < pY->u.btree.nEq /* (1b) */ + && pX->u.btree.pIndex==pY->u.btree.pIndex /* (1a) */ + && pX->nSkip==0 && pY->nSkip==0 /* (1c) */ + ){ + return 1; /* Case 1 is true */ } - if( pX->rRun>pY->rRun && pX->nOut>pY->nOut ) return 0; - if( pY->nSkip > pX->nSkip ) return 0; + if( pX->nLTerm-pX->nSkip >= pY->nLTerm-pY->nSkip ){ + return 0; /* (2b) */ + } + if( pY->nSkip > pX->nSkip ) return 0; /* (2d) */ for(i=pX->nLTerm-1; i>=0; i--){ if( pX->aLTerm[i]==0 ) continue; for(j=pY->nLTerm-1; j>=0; j--){ if( pY->aLTerm[j]==pX->aLTerm[i] ) break; } - if( j<0 ) return 0; /* X not a subset of Y since term X[i] not used by Y */ + if( j<0 ) return 0; /* (2c) */ } if( (pX->wsFlags&WHERE_IDX_ONLY)!=0 && (pY->wsFlags&WHERE_IDX_ONLY)==0 ){ - return 0; /* Constraint (5) */ + return 0; /* (2e) */ } - return 1; /* All conditions meet */ + return 1; /* Case 2 is true */ } /* @@ -159417,7 +163320,7 @@ static WhereLoop **whereLoopFindLesser( ** rSetup. Call this SETUP-INVARIANT */ assert( p->rSetup>=pTemplate->rSetup ); - /* Any loop using an appliation-defined index (or PRIMARY KEY or + /* Any loop using an application-defined index (or PRIMARY KEY or ** UNIQUE constraint) with one or more == constraints is better ** than an automatic index. Unless it is a skip-scan. */ if( (p->wsFlags & WHERE_AUTO_INDEX)!=0 @@ -159444,7 +163347,7 @@ static WhereLoop **whereLoopFindLesser( /* If pTemplate is always better than p, then cause p to be overwritten ** with pTemplate. pTemplate is better than p if: - ** (1) pTemplate has no more dependences than p, and + ** (1) pTemplate has no more dependencies than p, and ** (2) pTemplate has an equal or lower cost than p. */ if( (p->prereq & pTemplate->prereq)==pTemplate->prereq /* (1) */ @@ -159562,7 +163465,7 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ }else{ /* We will be overwriting WhereLoop p[]. But before we do, first ** go through the rest of the list and delete any other entries besides - ** p[] that are also supplated by pTemplate */ + ** p[] that are also supplanted by pTemplate */ WhereLoop **ppTail = &p->pNextLoop; WhereLoop *pToDel; while( *ppTail ){ @@ -159762,7 +163665,7 @@ static int whereRangeVectorLen( } /* -** Adjust the cost C by the costMult facter T. This only occurs if +** Adjust the cost C by the costMult factor T. This only occurs if ** compiled with -DSQLITE_ENABLE_COSTMULT */ #ifdef SQLITE_ENABLE_COSTMULT @@ -159789,7 +163692,7 @@ static int whereLoopAddBtreeIndex( Index *pProbe, /* An index on pSrc */ LogEst nInMul /* log(Number of iterations due to IN) */ ){ - WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyse context */ + WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyze context */ Parse *pParse = pWInfo->pParse; /* Parsing context */ sqlite3 *db = pParse->db; /* Database connection malloc context */ WhereLoop *pNew; /* Template WhereLoop under construction */ @@ -159826,7 +163729,10 @@ static int whereLoopAddBtreeIndex( assert( pNew->u.btree.nBtm==0 ); opMask = WO_EQ|WO_IN|WO_GT|WO_GE|WO_LT|WO_LE|WO_ISNULL|WO_IS; } - if( pProbe->bUnordered ) opMask &= ~(WO_GT|WO_GE|WO_LT|WO_LE); + if( pProbe->bUnordered || pProbe->bLowQual ){ + if( pProbe->bUnordered ) opMask &= ~(WO_GT|WO_GE|WO_LT|WO_LE); + if( pProbe->bLowQual ) opMask &= ~(WO_EQ|WO_IN|WO_IS); + } assert( pNew->u.btree.nEqnColumn ); assert( pNew->u.btree.nEqnKeyCol @@ -160099,7 +164005,7 @@ static int whereLoopAddBtreeIndex( assert( pSrc->pTab->szTabRow>0 ); if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){ /* The pProbe->szIdxRow is low for an IPK table since the interior - ** pages are small. Thuse szIdxRow gives a good estimate of seek cost. + ** pages are small. Thus szIdxRow gives a good estimate of seek cost. ** But the leaf pages are full-size, so pProbe->szIdxRow would badly ** under-estimate the scanning cost. */ rCostIdx = pNew->nOut + 16; @@ -160406,6 +164312,100 @@ static SQLITE_NOINLINE u32 whereIsCoveringIndex( return rc; } +/* +** This is an sqlite3ParserAddCleanup() callback that is invoked to +** free the Parse->pIdxEpr list when the Parse object is destroyed. +*/ +static void whereIndexedExprCleanup(sqlite3 *db, void *pObject){ + IndexedExpr **pp = (IndexedExpr**)pObject; + while( *pp!=0 ){ + IndexedExpr *p = *pp; + *pp = p->pIENext; + sqlite3ExprDelete(db, p->pExpr); + sqlite3DbFreeNN(db, p); + } +} + +/* +** This function is called for a partial index - one with a WHERE clause - in +** two scenarios. In both cases, it determines whether or not the WHERE +** clause on the index implies that a column of the table may be safely +** replaced by a constant expression. For example, in the following +** SELECT: +** +** CREATE INDEX i1 ON t1(b, c) WHERE a=; +** SELECT a, b, c FROM t1 WHERE a= AND b=?; +** +** The "a" in the select-list may be replaced by , iff: +** +** (a) is a constant expression, and +** (b) The (a=) comparison uses the BINARY collation sequence, and +** (c) Column "a" has an affinity other than NONE or BLOB. +** +** If argument pItem is NULL, then pMask must not be NULL. In this case this +** function is being called as part of determining whether or not pIdx +** is a covering index. This function clears any bits in (*pMask) +** corresponding to columns that may be replaced by constants as described +** above. +** +** Otherwise, if pItem is not NULL, then this function is being called +** as part of coding a loop that uses index pIdx. In this case, add entries +** to the Parse.pIdxPartExpr list for each column that can be replaced +** by a constant. +*/ +static void wherePartIdxExpr( + Parse *pParse, /* Parse context */ + Index *pIdx, /* Partial index being processed */ + Expr *pPart, /* WHERE clause being processed */ + Bitmask *pMask, /* Mask to clear bits in */ + int iIdxCur, /* Cursor number for index */ + SrcItem *pItem /* The FROM clause entry for the table */ +){ + assert( pItem==0 || (pItem->fg.jointype & JT_RIGHT)==0 ); + assert( (pItem==0 || pMask==0) && (pMask!=0 || pItem!=0) ); + + if( pPart->op==TK_AND ){ + wherePartIdxExpr(pParse, pIdx, pPart->pRight, pMask, iIdxCur, pItem); + pPart = pPart->pLeft; + } + + if( (pPart->op==TK_EQ || pPart->op==TK_IS) ){ + Expr *pLeft = pPart->pLeft; + Expr *pRight = pPart->pRight; + u8 aff; + + if( pLeft->op!=TK_COLUMN ) return; + if( !sqlite3ExprIsConstant(pRight) ) return; + if( !sqlite3IsBinary(sqlite3ExprCompareCollSeq(pParse, pPart)) ) return; + if( pLeft->iColumn<0 ) return; + aff = pIdx->pTable->aCol[pLeft->iColumn].affinity; + if( aff>=SQLITE_AFF_TEXT ){ + if( pItem ){ + sqlite3 *db = pParse->db; + IndexedExpr *p = (IndexedExpr*)sqlite3DbMallocRaw(db, sizeof(*p)); + if( p ){ + int bNullRow = (pItem->fg.jointype&(JT_LEFT|JT_LTORJ))!=0; + p->pExpr = sqlite3ExprDup(db, pRight, 0); + p->iDataCur = pItem->iCursor; + p->iIdxCur = iIdxCur; + p->iIdxCol = pLeft->iColumn; + p->bMaybeNullRow = bNullRow; + p->pIENext = pParse->pIdxPartExpr; + p->aff = aff; + pParse->pIdxPartExpr = p; + if( p->pIENext==0 ){ + void *pArg = (void*)&pParse->pIdxPartExpr; + sqlite3ParserAddCleanup(pParse, whereIndexedExprCleanup, pArg); + } + } + }else if( pLeft->iColumn<(BMS-1) ){ + *pMask &= ~((Bitmask)1 << pLeft->iColumn); + } + } + } +} + + /* ** Add all WhereLoop objects for a single table of the join where the table ** is identified by pBuilder->pNew->iTab. That table is guaranteed to be @@ -160444,7 +164444,7 @@ static SQLITE_NOINLINE u32 whereIsCoveringIndex( */ static int whereLoopAddBtree( WhereLoopBuilder *pBuilder, /* WHERE clause information */ - Bitmask mPrereq /* Extra prerequesites for using this table */ + Bitmask mPrereq /* Extra prerequisites for using this table */ ){ WhereInfo *pWInfo; /* WHERE analysis context */ Index *pProbe; /* An index we are evaluating */ @@ -160609,9 +164609,6 @@ static int whereLoopAddBtree( #else pNew->rRun = rSize + 16; #endif - if( IsView(pTab) || (pTab->tabFlags & TF_Ephemeral)!=0 ){ - pNew->wsFlags |= WHERE_VIEWSCAN; - } ApplyCostMultiplier(pNew->rRun, pTab->costMult); whereLoopOutputAdjust(pWC, pNew, rSize); rc = whereLoopInsert(pBuilder, pNew); @@ -160624,6 +164621,11 @@ static int whereLoopAddBtree( pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; }else{ m = pSrc->colUsed & pProbe->colNotIdxed; + if( pProbe->pPartIdxWhere ){ + wherePartIdxExpr( + pWInfo->pParse, pProbe, pProbe->pPartIdxWhere, &m, 0, 0 + ); + } pNew->wsFlags = WHERE_INDEXED; if( m==TOPBIT || (pProbe->bHasExpr && !pProbe->bHasVCol && m!=0) ){ u32 isCov = whereIsCoveringIndex(pWInfo, pProbe, pSrc->iCursor); @@ -160951,7 +164953,7 @@ static int whereLoopAddVirtualOne( ** ** Return a pointer to the collation name: ** -** 1. If there is an explicit COLLATE operator on the constaint, return it. +** 1. If there is an explicit COLLATE operator on the constraint, return it. ** ** 2. Else, if the column has an alternative collation, return that. ** @@ -161006,7 +165008,7 @@ SQLITE_API int sqlite3_vtab_rhs_value( sqlite3_value *pVal = 0; int rc = SQLITE_OK; if( iCons<0 || iCons>=pIdxInfo->nConstraint ){ - rc = SQLITE_MISUSE; /* EV: R-30545-25046 */ + rc = SQLITE_MISUSE_BKPT; /* EV: R-30545-25046 */ }else{ if( pH->aRhs[iCons]==0 ){ WhereTerm *pTerm = &pH->pWC->a[pIdxInfo->aConstraint[iCons].iTermOffset]; @@ -161036,8 +165038,6 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info *pIdxInfo){ return pHidden->eDistinct; } -#if (defined(SQLITE_ENABLE_DBPAGE_VTAB) || defined(SQLITE_TEST)) \ - && !defined(SQLITE_OMIT_VIRTUALTABLE) /* ** Cause the prepared statement that is associated with a call to ** xBestIndex to potentially use all schemas. If the statement being @@ -161047,9 +165047,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info *pIdxInfo){ ** ** This is used by the (built-in) sqlite_dbpage virtual table. */ -SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(sqlite3_index_info *pIdxInfo){ - HiddenIndexInfo *pHidden = (HiddenIndexInfo*)&pIdxInfo[1]; - Parse *pParse = pHidden->pParse; +SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(Parse *pParse){ int nDb = pParse->db->nDb; int i; for(i=0; ipTabList->nSrc ); - WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d)\n", nRowEst)); + WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d, nQueryLoop=%d)\n", + nRowEst, pParse->nQueryLoop)); /* If nRowEst is zero and there is an ORDER BY clause, ignore it. In this ** case the purpose of this call is to estimate the number of rows returned @@ -162020,7 +166018,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ); } /* TUNING: Add a small extra penalty (3) to sorting as an - ** extra encouragment to the query planner to select a plan + ** extra encouragement to the query planner to select a plan ** where the rows emerge in the correct order without any sorting ** required. */ rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 3; @@ -162034,13 +166032,6 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ rUnsorted -= 2; /* TUNING: Slight bias in favor of no-sort plans */ } - /* TUNING: A full-scan of a VIEW or subquery in the outer loop - ** is not so bad. */ - if( iLoop==0 && (pWLoop->wsFlags & WHERE_VIEWSCAN)!=0 ){ - rCost += -10; - nOut += -30; - } - /* Check to see if pWLoop should be added to the set of ** mxChoice best-so-far paths. ** @@ -162442,6 +166433,13 @@ static void showAllWhereLoops(WhereInfo *pWInfo, WhereClause *pWC){ ** at most a single row. ** 4) The table must not be referenced by any part of the query apart ** from its own USING or ON clause. +** 5) The table must not have an inner-join ON or USING clause if there is +** a RIGHT JOIN anywhere in the query. Otherwise the ON/USING clause +** might move from the right side to the left side of the RIGHT JOIN. +** Note: Due to (2), this condition can only arise if the table is +** the right-most table of a subquery that was flattened into the +** main query and that subquery was the right-hand operand of an +** inner join that held an ON or USING clause. ** ** For example, given: ** @@ -162467,6 +166465,7 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin( ){ int i; Bitmask tabUsed; + int hasRightJoin; /* Preconditions checked by the caller */ assert( pWInfo->nLevel>=2 ); @@ -162481,6 +166480,7 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin( if( pWInfo->pOrderBy ){ tabUsed |= sqlite3WhereExprListUsage(&pWInfo->sMaskSet, pWInfo->pOrderBy); } + hasRightJoin = (pWInfo->pTabList->a[0].fg.jointype & JT_LTORJ)!=0; for(i=pWInfo->nLevel-1; i>=1; i--){ WhereTerm *pTerm, *pEnd; SrcItem *pItem; @@ -162503,6 +166503,12 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin( break; } } + if( hasRightJoin + && ExprHasProperty(pTerm->pExpr, EP_InnerON) + && pTerm->pExpr->w.iJoin==pItem->iCursor + ){ + break; /* restriction (5) */ + } } if( pTerm drop loop %c not used\n", pLoop->cId)); @@ -162575,20 +166581,6 @@ static SQLITE_NOINLINE void whereCheckIfBloomFilterIsUseful( } } -/* -** This is an sqlite3ParserAddCleanup() callback that is invoked to -** free the Parse->pIdxEpr list when the Parse object is destroyed. -*/ -static void whereIndexedExprCleanup(sqlite3 *db, void *pObject){ - Parse *pParse = (Parse*)pObject; - while( pParse->pIdxEpr!=0 ){ - IndexedExpr *p = pParse->pIdxEpr; - pParse->pIdxEpr = p->pIENext; - sqlite3ExprDelete(db, p->pExpr); - sqlite3DbFreeNN(db, p); - } -} - /* ** The index pIdx is used by a query and contains one or more expressions. ** In other words pIdx is an index on an expression. iIdxCur is the cursor @@ -162628,6 +166620,20 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( continue; } if( sqlite3ExprIsConstant(pExpr) ) continue; + if( pExpr->op==TK_FUNCTION ){ + /* Functions that might set a subtype should not be replaced by the + ** value taken from an expression index since the index omits the + ** subtype. https://sqlite.org/forum/forumpost/68d284c86b082c3e */ + int n; + FuncDef *pDef; + sqlite3 *db = pParse->db; + assert( ExprUseXList(pExpr) ); + n = pExpr->x.pList ? pExpr->x.pList->nExpr : 0; + pDef = sqlite3FindFunction(db, pExpr->u.zToken, n, ENC(db), 0); + if( pDef==0 || (pDef->funcFlags & SQLITE_RESULT_SUBTYPE)!=0 ){ + continue; + } + } p = sqlite3DbMallocRaw(pParse->db, sizeof(IndexedExpr)); if( p==0 ) break; p->pIENext = pParse->pIdxEpr; @@ -162650,7 +166656,30 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( #endif pParse->pIdxEpr = p; if( p->pIENext==0 ){ - sqlite3ParserAddCleanup(pParse, whereIndexedExprCleanup, pParse); + void *pArg = (void*)&pParse->pIdxEpr; + sqlite3ParserAddCleanup(pParse, whereIndexedExprCleanup, pArg); + } + } +} + +/* +** Set the reverse-scan order mask to one for all tables in the query +** with the exception of MATERIALIZED common table expressions that have +** their own internal ORDER BY clauses. +** +** This implements the PRAGMA reverse_unordered_selects=ON setting. +** (Also SQLITE_DBCONFIG_REVERSE_SCANORDER). +*/ +static SQLITE_NOINLINE void whereReverseScanOrder(WhereInfo *pWInfo){ + int ii; + for(ii=0; iipTabList->nSrc; ii++){ + SrcItem *pItem = &pWInfo->pTabList->a[ii]; + if( !pItem->fg.isCte + || pItem->u2.pCteUse->eM10d!=M10d_Yes + || NEVER(pItem->pSelect==0) + || pItem->pSelect->pOrderBy==0 + ){ + pWInfo->revMask |= MASKBIT(ii); } } } @@ -162713,7 +166742,7 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( ** ** OUTER JOINS ** -** An outer join of tables t1 and t2 is conceptally coded as follows: +** An outer join of tables t1 and t2 is conceptually coded as follows: ** ** foreach row1 in t1 do ** flag = 0 @@ -162808,7 +166837,10 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** field (type Bitmask) it must be aligned on an 8-byte boundary on ** some architectures. Hence the ROUND8() below. */ - nByteWInfo = ROUND8P(sizeof(WhereInfo)+(nTabList-1)*sizeof(WhereLevel)); + nByteWInfo = ROUND8P(sizeof(WhereInfo)); + if( nTabList>1 ){ + nByteWInfo = ROUND8P(nByteWInfo + (nTabList-1)*sizeof(WhereLevel)); + } pWInfo = sqlite3DbMallocRawNN(db, nByteWInfo + sizeof(WhereLoop)); if( db->mallocFailed ){ sqlite3DbFree(db, pWInfo); @@ -162868,7 +166900,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** ** The N-th term of the FROM clause is assigned a bitmask of 1<nErr ) goto whereBeginError; - /* Special case: WHERE terms that do not refer to any tables in the join - ** (constant expressions). Evaluate each such term, and jump over all the - ** generated code if the result is not true. + /* The False-WHERE-Term-Bypass optimization: ** - ** Do not do this if the expression contains non-deterministic functions - ** that are not within a sub-select. This is not strictly required, but - ** preserves SQLite's legacy behaviour in the following two cases: + ** If there are WHERE terms that are false, then no rows will be output, + ** so skip over all of the code generated here. ** - ** FROM ... WHERE random()>0; -- eval random() once per row - ** FROM ... WHERE (SELECT random())>0; -- eval random() once overall + ** Conditions: + ** + ** (1) The WHERE term must not refer to any tables in the join. + ** (2) The term must not come from an ON clause on the + ** right-hand side of a LEFT or FULL JOIN. + ** (3) The term must not come from an ON clause, or there must be + ** no RIGHT or FULL OUTER joins in pTabList. + ** (4) If the expression contains non-deterministic functions + ** that are not within a sub-select. This is not required + ** for correctness but rather to preserves SQLite's legacy + ** behaviour in the following two cases: + ** + ** WHERE random()>0; -- eval random() once per row + ** WHERE (SELECT random())>0; -- eval random() just once overall + ** + ** Note that the Where term need not be a constant in order for this + ** optimization to apply, though it does need to be constant relative to + ** the current subquery (condition 1). The term might include variables + ** from outer queries so that the value of the term changes from one + ** invocation of the current subquery to the next. */ for(ii=0; iinBase; ii++){ - WhereTerm *pT = &sWLB.pWC->a[ii]; + WhereTerm *pT = &sWLB.pWC->a[ii]; /* A term of the WHERE clause */ + Expr *pX; /* The expression of pT */ if( pT->wtFlags & TERM_VIRTUAL ) continue; - if( pT->prereqAll==0 && (nTabList==0 || exprIsDeterministic(pT->pExpr)) ){ - sqlite3ExprIfFalse(pParse, pT->pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL); + pX = pT->pExpr; + assert( pX!=0 ); + assert( pT->prereqAll!=0 || !ExprHasProperty(pX, EP_OuterON) ); + if( pT->prereqAll==0 /* Conditions (1) and (2) */ + && (nTabList==0 || exprIsDeterministic(pX)) /* Condition (4) */ + && !(ExprHasProperty(pX, EP_InnerON) /* Condition (3) */ + && (pTabList->a[0].fg.jointype & JT_LTORJ)!=0 ) + ){ + sqlite3ExprIfFalse(pParse, pX, pWInfo->iBreak, SQLITE_JUMPIFNULL); pT->wtFlags |= TERM_CODED; } } @@ -162995,9 +167050,20 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( wherePathSolver(pWInfo, pWInfo->nRowOut+1); if( db->mallocFailed ) goto whereBeginError; } + + /* TUNING: Assume that a DISTINCT clause on a subquery reduces + ** the output size by a factor of 8 (LogEst -30). + */ + if( (pWInfo->wctrlFlags & WHERE_WANT_DISTINCT)!=0 ){ + WHERETRACE(0x0080,("nRowOut reduced from %d to %d due to DISTINCT\n", + pWInfo->nRowOut, pWInfo->nRowOut-30)); + pWInfo->nRowOut -= 30; + } + } + assert( pWInfo->pTabList!=0 ); if( pWInfo->pOrderBy==0 && (db->flags & SQLITE_ReverseOrder)!=0 ){ - pWInfo->revMask = ALLBITS; + whereReverseScanOrder(pWInfo); } if( pParse->nErr ){ goto whereBeginError; @@ -163097,6 +167163,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( 0!=(wctrlFlags & WHERE_ONEPASS_MULTIROW) && !IsVirtual(pTabList->a[0].pTab) && (0==(wsFlags & WHERE_MULTI_OR) || (wctrlFlags & WHERE_DUPLICATES_OK)) + && OptimizationEnabled(db, SQLITE_OnePass) )){ pWInfo->eOnePass = bOnerow ? ONEPASS_SINGLE : ONEPASS_MULTI; if( HasRowid(pTabList->a[0].pTab) && (wsFlags & WHERE_IDX_ONLY) ){ @@ -163160,7 +167227,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( assert( n<=pTab->nCol ); } #ifdef SQLITE_ENABLE_CURSOR_HINTS - if( pLoop->u.btree.pIndex!=0 ){ + if( pLoop->u.btree.pIndex!=0 && (pTab->tabFlags & TF_WithoutRowid)==0 ){ sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ|bFordelete); }else #endif @@ -163205,6 +167272,11 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( if( pIx->bHasExpr && OptimizationEnabled(db, SQLITE_IndexedExpr) ){ whereAddIndexedExpr(pParse, pIx, iIndexCur, pTabItem); } + if( pIx->pPartIdxWhere && (pTabItem->fg.jointype & JT_RIGHT)==0 ){ + wherePartIdxExpr( + pParse, pIx, pIx->pPartIdxWhere, 0, iIndexCur, pTabItem + ); + } } pLevel->iIdxCur = iIndexCur; assert( pIx!=0 ); @@ -163297,11 +167369,11 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( sqlite3VdbeJumpHere(v, iOnce); } } + assert( pTabList == pWInfo->pTabList ); if( (wsFlags & (WHERE_AUTO_INDEX|WHERE_BLOOMFILTER))!=0 ){ if( (wsFlags & WHERE_AUTO_INDEX)!=0 ){ #ifndef SQLITE_OMIT_AUTOMATIC_INDEX - constructAutomaticIndex(pParse, &pWInfo->sWC, - &pTabList->a[pLevel->iFrom], notReady, pLevel); + constructAutomaticIndex(pParse, &pWInfo->sWC, notReady, pLevel); #endif }else{ sqlite3ConstructBloomFilter(pWInfo, ii, pLevel, notReady); @@ -163330,6 +167402,11 @@ whereBeginError: pParse->nQueryLoop = pWInfo->savedNQueryLoop; whereInfoFree(db, pWInfo); } +#ifdef WHERETRACE_ENABLED + /* Prevent harmless compiler warnings about debugging routines + ** being declared but never used */ + sqlite3ShowWhereLoopList(0); +#endif /* WHERETRACE_ENABLED */ return 0; } @@ -163618,7 +167695,8 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ k = pLevel->addrBody + 1; #ifdef SQLITE_DEBUG if( db->flags & SQLITE_VdbeAddopTrace ){ - printf("TRANSLATE opcodes in range %d..%d\n", k, last-1); + printf("TRANSLATE cursor %d->%d in opcode range %d..%d\n", + pLevel->iTabCur, pLevel->iIdxCur, k, last-1); } /* Proof that the "+1" on the k value above is safe */ pOp = sqlite3VdbeGetOp(v, k - 1); @@ -163825,7 +167903,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** ** These are the same built-in window functions supported by Postgres. ** Although the behaviour of aggregate window functions (functions that -** can be used as either aggregates or window funtions) allows them to +** can be used as either aggregates or window functions) allows them to ** be implemented using an API, built-in window functions are much more ** esoteric. Additionally, some window functions (e.g. nth_value()) ** may only be implemented by caching the entire partition in memory. @@ -164355,7 +168433,7 @@ static Window *windowFind(Parse *pParse, Window *pList, const char *zName){ ** is the Window object representing the associated OVER clause. This ** function updates the contents of pWin as follows: ** -** * If the OVER clause refered to a named window (as in "max(x) OVER win"), +** * If the OVER clause referred to a named window (as in "max(x) OVER win"), ** search list pList for a matching WINDOW definition, and update pWin ** accordingly. If no such WINDOW clause can be found, leave an error ** in pParse. @@ -164493,6 +168571,7 @@ static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){ } /* no break */ deliberate_fall_through + case TK_IF_NULL_ROW: case TK_AGG_FUNCTION: case TK_COLUMN: { int iCol = -1; @@ -164745,7 +168824,7 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ assert( ExprUseXList(pWin->pOwner) ); assert( pWin->pWFunc!=0 ); pArgs = pWin->pOwner->x.pList; - if( pWin->pWFunc->funcFlags & SQLITE_FUNC_SUBTYPE ){ + if( pWin->pWFunc->funcFlags & SQLITE_SUBTYPE ){ selectWindowRewriteEList(pParse, pMWin, pSrc, pArgs, pTab, &pSublist); pWin->iArgCol = (pSublist ? pSublist->nExpr : 0); pWin->bExprArgs = 1; @@ -164975,7 +169054,7 @@ SQLITE_PRIVATE Window *sqlite3WindowAssemble( } /* -** Window *pWin has just been created from a WINDOW clause. Tokne pBase +** Window *pWin has just been created from a WINDOW clause. Token pBase ** is the base window. Earlier windows from the same WINDOW clause are ** stored in the linked list starting at pWin->pNextWin. This function ** either updates *pWin according to the base specification, or else @@ -165019,8 +169098,9 @@ SQLITE_PRIVATE void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){ if( p ){ assert( p->op==TK_FUNCTION ); assert( pWin ); + assert( ExprIsFullSize(p) ); p->y.pWin = pWin; - ExprSetProperty(p, EP_WinFunc); + ExprSetProperty(p, EP_WinFunc|EP_FullSize); pWin->pOwner = p; if( (p->flags & EP_Distinct) && pWin->eFrmType!=TK_FILTER ){ sqlite3ErrorMsg(pParse, @@ -165281,7 +169361,7 @@ struct WindowCsrAndReg { ** ** (ORDER BY a, b GROUPS BETWEEN 2 PRECEDING AND 2 FOLLOWING) ** -** The windows functions implmentation caches the input rows in a temp +** The windows functions implementation caches the input rows in a temp ** table, sorted by "a, b" (it actually populates the cache lazily, and ** aggressively removes rows once they are no longer required, but that's ** a mere detail). It keeps three cursors open on the temp table. One @@ -166290,7 +170370,7 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** ** For the most part, the patterns above are adapted to support UNBOUNDED by ** assuming that it is equivalent to "infinity PRECEDING/FOLLOWING" and -** CURRENT ROW by assuming that it is equivilent to "0 PRECEDING/FOLLOWING". +** CURRENT ROW by assuming that it is equivalent to "0 PRECEDING/FOLLOWING". ** This is optimized of course - branches that will never be taken and ** conditions that are always true are omitted from the VM code. The only ** exceptional case is: @@ -166569,7 +170649,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } /* Allocate registers for the array of values from the sub-query, the - ** samve values in record form, and the rowid used to insert said record + ** same values in record form, and the rowid used to insert said record ** into the ephemeral table. */ regNew = pParse->nMem+1; pParse->nMem += nInput; @@ -166810,7 +170890,8 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( /************** End of window.c **********************************************/ /************** Begin file parse.c *******************************************/ /* This file is automatically generated by Lemon from input grammar -** source file "parse.y". */ +** source file "parse.y". +*/ /* ** 2001-09-15 ** @@ -166827,7 +170908,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( ** The canonical source code to this file ("parse.y") is a Lemon grammar ** file that specifies the input grammar and actions to take while parsing. ** That input file is processed by Lemon to generate a C-language -** implementation of a parser for the given grammer. You might be reading +** implementation of a parser for the given grammar. You might be reading ** this comment as part of the translated C-code. Edits should be made ** to the original parse.y sources. */ @@ -167321,18 +171402,18 @@ typedef union { #define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse; #define sqlite3ParserCTX_STORE yypParser->pParse=pParse; #define YYFALLBACK 1 -#define YYNSTATE 576 +#define YYNSTATE 579 #define YYNRULE 405 -#define YYNRULE_WITH_ACTION 342 +#define YYNRULE_WITH_ACTION 340 #define YYNTOKEN 185 -#define YY_MAX_SHIFT 575 -#define YY_MIN_SHIFTREDUCE 835 -#define YY_MAX_SHIFTREDUCE 1239 -#define YY_ERROR_ACTION 1240 -#define YY_ACCEPT_ACTION 1241 -#define YY_NO_ACTION 1242 -#define YY_MIN_REDUCE 1243 -#define YY_MAX_REDUCE 1647 +#define YY_MAX_SHIFT 578 +#define YY_MIN_SHIFTREDUCE 838 +#define YY_MAX_SHIFTREDUCE 1242 +#define YY_ERROR_ACTION 1243 +#define YY_ACCEPT_ACTION 1244 +#define YY_NO_ACTION 1245 +#define YY_MIN_REDUCE 1246 +#define YY_MAX_REDUCE 1650 /************* End control #defines *******************************************/ #define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0]))) @@ -167399,218 +171480,218 @@ typedef union { ** yy_default[] Default action for each state. ** *********** Begin parsing tables **********************************************/ -#define YY_ACTTAB_COUNT (2098) +#define YY_ACTTAB_COUNT (2100) static const YYACTIONTYPE yy_action[] = { - /* 0 */ 568, 208, 568, 118, 115, 229, 568, 118, 115, 229, - /* 10 */ 568, 1314, 377, 1293, 408, 562, 562, 562, 568, 409, - /* 20 */ 378, 1314, 1276, 41, 41, 41, 41, 208, 1526, 71, - /* 30 */ 71, 971, 419, 41, 41, 491, 303, 279, 303, 972, - /* 40 */ 397, 71, 71, 125, 126, 80, 1217, 1217, 1050, 1053, - /* 50 */ 1040, 1040, 123, 123, 124, 124, 124, 124, 476, 409, - /* 60 */ 1241, 1, 1, 575, 2, 1245, 550, 118, 115, 229, - /* 70 */ 317, 480, 146, 480, 524, 118, 115, 229, 529, 1327, - /* 80 */ 417, 523, 142, 125, 126, 80, 1217, 1217, 1050, 1053, - /* 90 */ 1040, 1040, 123, 123, 124, 124, 124, 124, 118, 115, - /* 100 */ 229, 327, 122, 122, 122, 122, 121, 121, 120, 120, - /* 110 */ 120, 119, 116, 444, 284, 284, 284, 284, 442, 442, - /* 120 */ 442, 1567, 376, 1569, 1192, 375, 1163, 565, 1163, 565, - /* 130 */ 409, 1567, 537, 259, 226, 444, 101, 145, 449, 316, - /* 140 */ 559, 240, 122, 122, 122, 122, 121, 121, 120, 120, - /* 150 */ 120, 119, 116, 444, 125, 126, 80, 1217, 1217, 1050, - /* 160 */ 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, 142, - /* 170 */ 294, 1192, 339, 448, 120, 120, 120, 119, 116, 444, - /* 180 */ 127, 1192, 1193, 1194, 148, 441, 440, 568, 119, 116, - /* 190 */ 444, 124, 124, 124, 124, 117, 122, 122, 122, 122, - /* 200 */ 121, 121, 120, 120, 120, 119, 116, 444, 454, 113, - /* 210 */ 13, 13, 546, 122, 122, 122, 122, 121, 121, 120, - /* 220 */ 120, 120, 119, 116, 444, 422, 316, 559, 1192, 1193, - /* 230 */ 1194, 149, 1224, 409, 1224, 124, 124, 124, 124, 122, - /* 240 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, - /* 250 */ 444, 465, 342, 1037, 1037, 1051, 1054, 125, 126, 80, - /* 260 */ 1217, 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, - /* 270 */ 124, 124, 1279, 522, 222, 1192, 568, 409, 224, 514, - /* 280 */ 175, 82, 83, 122, 122, 122, 122, 121, 121, 120, - /* 290 */ 120, 120, 119, 116, 444, 1007, 16, 16, 1192, 133, - /* 300 */ 133, 125, 126, 80, 1217, 1217, 1050, 1053, 1040, 1040, - /* 310 */ 123, 123, 124, 124, 124, 124, 122, 122, 122, 122, - /* 320 */ 121, 121, 120, 120, 120, 119, 116, 444, 1041, 546, - /* 330 */ 1192, 373, 1192, 1193, 1194, 252, 1434, 399, 504, 501, - /* 340 */ 500, 111, 560, 566, 4, 926, 926, 433, 499, 340, - /* 350 */ 460, 328, 360, 394, 1237, 1192, 1193, 1194, 563, 568, - /* 360 */ 122, 122, 122, 122, 121, 121, 120, 120, 120, 119, - /* 370 */ 116, 444, 284, 284, 369, 1580, 1607, 441, 440, 154, - /* 380 */ 409, 445, 71, 71, 1286, 565, 1221, 1192, 1193, 1194, - /* 390 */ 85, 1223, 271, 557, 543, 515, 1561, 568, 98, 1222, - /* 400 */ 6, 1278, 472, 142, 125, 126, 80, 1217, 1217, 1050, - /* 410 */ 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, 550, - /* 420 */ 13, 13, 1027, 507, 1224, 1192, 1224, 549, 109, 109, - /* 430 */ 222, 568, 1238, 175, 568, 427, 110, 197, 445, 570, - /* 440 */ 569, 430, 1552, 1017, 325, 551, 1192, 270, 287, 368, - /* 450 */ 510, 363, 509, 257, 71, 71, 543, 71, 71, 359, - /* 460 */ 316, 559, 1613, 122, 122, 122, 122, 121, 121, 120, - /* 470 */ 120, 120, 119, 116, 444, 1017, 1017, 1019, 1020, 27, - /* 480 */ 284, 284, 1192, 1193, 1194, 1158, 568, 1612, 409, 901, - /* 490 */ 190, 550, 356, 565, 550, 937, 533, 517, 1158, 516, - /* 500 */ 413, 1158, 552, 1192, 1193, 1194, 568, 544, 1554, 51, - /* 510 */ 51, 214, 125, 126, 80, 1217, 1217, 1050, 1053, 1040, - /* 520 */ 1040, 123, 123, 124, 124, 124, 124, 1192, 474, 135, - /* 530 */ 135, 409, 284, 284, 1490, 505, 121, 121, 120, 120, - /* 540 */ 120, 119, 116, 444, 1007, 565, 518, 217, 541, 1561, - /* 550 */ 316, 559, 142, 6, 532, 125, 126, 80, 1217, 1217, - /* 560 */ 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, - /* 570 */ 1555, 122, 122, 122, 122, 121, 121, 120, 120, 120, - /* 580 */ 119, 116, 444, 485, 1192, 1193, 1194, 482, 281, 1267, - /* 590 */ 957, 252, 1192, 373, 504, 501, 500, 1192, 340, 571, - /* 600 */ 1192, 571, 409, 292, 499, 957, 876, 191, 480, 316, - /* 610 */ 559, 384, 290, 380, 122, 122, 122, 122, 121, 121, - /* 620 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1217, - /* 630 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 640 */ 124, 409, 394, 1136, 1192, 869, 100, 284, 284, 1192, - /* 650 */ 1193, 1194, 373, 1093, 1192, 1193, 1194, 1192, 1193, 1194, - /* 660 */ 565, 455, 32, 373, 233, 125, 126, 80, 1217, 1217, - /* 670 */ 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, - /* 680 */ 1433, 959, 568, 228, 958, 122, 122, 122, 122, 121, - /* 690 */ 121, 120, 120, 120, 119, 116, 444, 1158, 228, 1192, - /* 700 */ 157, 1192, 1193, 1194, 1553, 13, 13, 301, 957, 1232, - /* 710 */ 1158, 153, 409, 1158, 373, 1583, 1176, 5, 369, 1580, - /* 720 */ 429, 1238, 3, 957, 122, 122, 122, 122, 121, 121, - /* 730 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1217, - /* 740 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 750 */ 124, 409, 208, 567, 1192, 1028, 1192, 1193, 1194, 1192, - /* 760 */ 388, 852, 155, 1552, 286, 402, 1098, 1098, 488, 568, - /* 770 */ 465, 342, 1319, 1319, 1552, 125, 126, 80, 1217, 1217, - /* 780 */ 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, - /* 790 */ 129, 568, 13, 13, 374, 122, 122, 122, 122, 121, - /* 800 */ 121, 120, 120, 120, 119, 116, 444, 302, 568, 453, - /* 810 */ 528, 1192, 1193, 1194, 13, 13, 1192, 1193, 1194, 1297, - /* 820 */ 463, 1267, 409, 1317, 1317, 1552, 1012, 453, 452, 200, - /* 830 */ 299, 71, 71, 1265, 122, 122, 122, 122, 121, 121, - /* 840 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1217, - /* 850 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 860 */ 124, 409, 227, 1073, 1158, 284, 284, 419, 312, 278, - /* 870 */ 278, 285, 285, 1419, 406, 405, 382, 1158, 565, 568, - /* 880 */ 1158, 1196, 565, 1600, 565, 125, 126, 80, 1217, 1217, - /* 890 */ 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, 124, - /* 900 */ 453, 1482, 13, 13, 1536, 122, 122, 122, 122, 121, - /* 910 */ 121, 120, 120, 120, 119, 116, 444, 201, 568, 354, - /* 920 */ 1586, 575, 2, 1245, 840, 841, 842, 1562, 317, 1212, - /* 930 */ 146, 6, 409, 255, 254, 253, 206, 1327, 9, 1196, - /* 940 */ 262, 71, 71, 424, 122, 122, 122, 122, 121, 121, - /* 950 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1217, - /* 960 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 970 */ 124, 568, 284, 284, 568, 1213, 409, 574, 313, 1245, - /* 980 */ 349, 1296, 352, 419, 317, 565, 146, 491, 525, 1643, - /* 990 */ 395, 371, 491, 1327, 70, 70, 1295, 71, 71, 240, - /* 1000 */ 1325, 104, 80, 1217, 1217, 1050, 1053, 1040, 1040, 123, - /* 1010 */ 123, 124, 124, 124, 124, 122, 122, 122, 122, 121, - /* 1020 */ 121, 120, 120, 120, 119, 116, 444, 1114, 284, 284, - /* 1030 */ 428, 448, 1525, 1213, 439, 284, 284, 1489, 1352, 311, - /* 1040 */ 474, 565, 1115, 971, 491, 491, 217, 1263, 565, 1538, - /* 1050 */ 568, 972, 207, 568, 1027, 240, 383, 1116, 519, 122, - /* 1060 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, - /* 1070 */ 444, 1018, 107, 71, 71, 1017, 13, 13, 912, 568, - /* 1080 */ 1495, 568, 284, 284, 97, 526, 491, 448, 913, 1326, - /* 1090 */ 1322, 545, 409, 284, 284, 565, 151, 209, 1495, 1497, - /* 1100 */ 262, 450, 55, 55, 56, 56, 565, 1017, 1017, 1019, - /* 1110 */ 443, 332, 409, 527, 12, 295, 125, 126, 80, 1217, - /* 1120 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 1130 */ 124, 347, 409, 864, 1534, 1213, 125, 126, 80, 1217, - /* 1140 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 1150 */ 124, 1137, 1641, 474, 1641, 371, 125, 114, 80, 1217, - /* 1160 */ 1217, 1050, 1053, 1040, 1040, 123, 123, 124, 124, 124, - /* 1170 */ 124, 1495, 329, 474, 331, 122, 122, 122, 122, 121, - /* 1180 */ 121, 120, 120, 120, 119, 116, 444, 203, 1419, 568, - /* 1190 */ 1294, 864, 464, 1213, 436, 122, 122, 122, 122, 121, - /* 1200 */ 121, 120, 120, 120, 119, 116, 444, 553, 1137, 1642, - /* 1210 */ 539, 1642, 15, 15, 892, 122, 122, 122, 122, 121, - /* 1220 */ 121, 120, 120, 120, 119, 116, 444, 568, 298, 538, - /* 1230 */ 1135, 1419, 1559, 1560, 1331, 409, 6, 6, 1169, 1268, - /* 1240 */ 415, 320, 284, 284, 1419, 508, 565, 525, 300, 457, - /* 1250 */ 43, 43, 568, 893, 12, 565, 330, 478, 425, 407, - /* 1260 */ 126, 80, 1217, 1217, 1050, 1053, 1040, 1040, 123, 123, - /* 1270 */ 124, 124, 124, 124, 568, 57, 57, 288, 1192, 1419, - /* 1280 */ 496, 458, 392, 392, 391, 273, 389, 1135, 1558, 849, - /* 1290 */ 1169, 407, 6, 568, 321, 1158, 470, 44, 44, 1557, - /* 1300 */ 1114, 426, 234, 6, 323, 256, 540, 256, 1158, 431, - /* 1310 */ 568, 1158, 322, 17, 487, 1115, 58, 58, 122, 122, - /* 1320 */ 122, 122, 121, 121, 120, 120, 120, 119, 116, 444, - /* 1330 */ 1116, 216, 481, 59, 59, 1192, 1193, 1194, 111, 560, - /* 1340 */ 324, 4, 236, 456, 526, 568, 237, 456, 568, 437, - /* 1350 */ 168, 556, 420, 141, 479, 563, 568, 293, 568, 1095, - /* 1360 */ 568, 293, 568, 1095, 531, 568, 872, 8, 60, 60, - /* 1370 */ 235, 61, 61, 568, 414, 568, 414, 568, 445, 62, - /* 1380 */ 62, 45, 45, 46, 46, 47, 47, 199, 49, 49, - /* 1390 */ 557, 568, 359, 568, 100, 486, 50, 50, 63, 63, - /* 1400 */ 64, 64, 561, 415, 535, 410, 568, 1027, 568, 534, - /* 1410 */ 316, 559, 316, 559, 65, 65, 14, 14, 568, 1027, - /* 1420 */ 568, 512, 932, 872, 1018, 109, 109, 931, 1017, 66, - /* 1430 */ 66, 131, 131, 110, 451, 445, 570, 569, 416, 177, - /* 1440 */ 1017, 132, 132, 67, 67, 568, 467, 568, 932, 471, - /* 1450 */ 1364, 283, 226, 931, 315, 1363, 407, 568, 459, 407, - /* 1460 */ 1017, 1017, 1019, 239, 407, 86, 213, 1350, 52, 52, - /* 1470 */ 68, 68, 1017, 1017, 1019, 1020, 27, 1585, 1180, 447, - /* 1480 */ 69, 69, 288, 97, 108, 1541, 106, 392, 392, 391, - /* 1490 */ 273, 389, 568, 879, 849, 883, 568, 111, 560, 466, - /* 1500 */ 4, 568, 152, 30, 38, 568, 1132, 234, 396, 323, - /* 1510 */ 111, 560, 527, 4, 563, 53, 53, 322, 568, 163, - /* 1520 */ 163, 568, 337, 468, 164, 164, 333, 563, 76, 76, - /* 1530 */ 568, 289, 1514, 568, 31, 1513, 568, 445, 338, 483, - /* 1540 */ 100, 54, 54, 344, 72, 72, 296, 236, 1080, 557, - /* 1550 */ 445, 879, 1360, 134, 134, 168, 73, 73, 141, 161, - /* 1560 */ 161, 1574, 557, 535, 568, 319, 568, 348, 536, 1009, - /* 1570 */ 473, 261, 261, 891, 890, 235, 535, 568, 1027, 568, - /* 1580 */ 475, 534, 261, 367, 109, 109, 521, 136, 136, 130, - /* 1590 */ 130, 1027, 110, 366, 445, 570, 569, 109, 109, 1017, - /* 1600 */ 162, 162, 156, 156, 568, 110, 1080, 445, 570, 569, - /* 1610 */ 410, 351, 1017, 568, 353, 316, 559, 568, 343, 568, - /* 1620 */ 100, 497, 357, 258, 100, 898, 899, 140, 140, 355, - /* 1630 */ 1310, 1017, 1017, 1019, 1020, 27, 139, 139, 362, 451, - /* 1640 */ 137, 137, 138, 138, 1017, 1017, 1019, 1020, 27, 1180, - /* 1650 */ 447, 568, 372, 288, 111, 560, 1021, 4, 392, 392, - /* 1660 */ 391, 273, 389, 568, 1141, 849, 568, 1076, 568, 258, - /* 1670 */ 492, 563, 568, 211, 75, 75, 555, 962, 234, 261, - /* 1680 */ 323, 111, 560, 929, 4, 113, 77, 77, 322, 74, - /* 1690 */ 74, 42, 42, 1373, 445, 48, 48, 1418, 563, 974, - /* 1700 */ 975, 1092, 1091, 1092, 1091, 862, 557, 150, 930, 1346, - /* 1710 */ 113, 1358, 554, 1424, 1021, 1275, 1266, 1254, 236, 1253, - /* 1720 */ 1255, 445, 1593, 1343, 308, 276, 168, 309, 11, 141, - /* 1730 */ 393, 310, 232, 557, 1405, 1027, 335, 291, 1400, 219, - /* 1740 */ 336, 109, 109, 936, 297, 1410, 235, 341, 477, 110, - /* 1750 */ 502, 445, 570, 569, 1393, 1409, 1017, 400, 1293, 365, - /* 1760 */ 223, 1486, 1027, 1485, 1355, 1356, 1354, 1353, 109, 109, - /* 1770 */ 204, 1596, 1232, 558, 265, 218, 110, 205, 445, 570, - /* 1780 */ 569, 410, 387, 1017, 1533, 179, 316, 559, 1017, 1017, - /* 1790 */ 1019, 1020, 27, 230, 1531, 1229, 79, 560, 85, 4, - /* 1800 */ 418, 215, 548, 81, 84, 188, 1406, 173, 181, 461, - /* 1810 */ 451, 35, 462, 563, 183, 1017, 1017, 1019, 1020, 27, - /* 1820 */ 184, 1491, 185, 186, 495, 242, 98, 398, 1412, 36, - /* 1830 */ 1411, 484, 91, 469, 401, 1414, 445, 192, 1480, 246, - /* 1840 */ 1502, 490, 346, 277, 248, 196, 493, 511, 557, 350, - /* 1850 */ 1256, 249, 250, 403, 1313, 1312, 111, 560, 432, 4, - /* 1860 */ 1311, 1304, 93, 1611, 883, 1610, 224, 404, 434, 520, - /* 1870 */ 263, 435, 1579, 563, 1283, 1282, 364, 1027, 306, 1281, - /* 1880 */ 264, 1609, 1565, 109, 109, 370, 1303, 307, 1564, 438, - /* 1890 */ 128, 110, 1378, 445, 570, 569, 445, 546, 1017, 10, - /* 1900 */ 1466, 105, 381, 1377, 34, 572, 99, 1336, 557, 314, - /* 1910 */ 1186, 530, 272, 274, 379, 210, 1335, 547, 385, 386, - /* 1920 */ 275, 573, 1251, 1246, 411, 412, 1518, 165, 178, 1519, - /* 1930 */ 1017, 1017, 1019, 1020, 27, 1517, 1516, 1027, 78, 147, - /* 1940 */ 166, 220, 221, 109, 109, 836, 304, 167, 446, 212, - /* 1950 */ 318, 110, 231, 445, 570, 569, 144, 1090, 1017, 1088, - /* 1960 */ 326, 180, 169, 1212, 182, 334, 238, 915, 241, 1104, - /* 1970 */ 187, 170, 171, 421, 87, 88, 423, 189, 89, 90, - /* 1980 */ 172, 1107, 243, 1103, 244, 158, 18, 245, 345, 247, - /* 1990 */ 1017, 1017, 1019, 1020, 27, 261, 1096, 193, 1226, 489, - /* 2000 */ 194, 37, 366, 851, 494, 251, 195, 506, 92, 19, - /* 2010 */ 498, 358, 20, 503, 881, 361, 94, 894, 305, 159, - /* 2020 */ 513, 39, 95, 1174, 160, 1056, 966, 1143, 96, 174, - /* 2030 */ 1142, 225, 280, 282, 198, 960, 113, 1164, 1160, 260, - /* 2040 */ 21, 22, 23, 1162, 1168, 1167, 1148, 24, 33, 25, - /* 2050 */ 202, 542, 26, 100, 1071, 102, 1057, 103, 7, 1055, - /* 2060 */ 1059, 1113, 1060, 1112, 266, 267, 28, 40, 390, 1022, - /* 2070 */ 863, 112, 29, 564, 1182, 1181, 268, 176, 143, 925, - /* 2080 */ 1242, 1242, 1242, 1242, 1242, 1242, 1242, 1242, 1242, 1242, - /* 2090 */ 1242, 1242, 1242, 1242, 269, 1602, 1242, 1601, + /* 0 */ 572, 210, 572, 119, 116, 231, 572, 119, 116, 231, + /* 10 */ 572, 1317, 379, 1296, 410, 566, 566, 566, 572, 411, + /* 20 */ 380, 1317, 1279, 42, 42, 42, 42, 210, 1529, 72, + /* 30 */ 72, 974, 421, 42, 42, 495, 305, 281, 305, 975, + /* 40 */ 399, 72, 72, 126, 127, 81, 1217, 1217, 1054, 1057, + /* 50 */ 1044, 1044, 124, 124, 125, 125, 125, 125, 480, 411, + /* 60 */ 1244, 1, 1, 578, 2, 1248, 554, 119, 116, 231, + /* 70 */ 319, 484, 147, 484, 528, 119, 116, 231, 533, 1330, + /* 80 */ 419, 527, 143, 126, 127, 81, 1217, 1217, 1054, 1057, + /* 90 */ 1044, 1044, 124, 124, 125, 125, 125, 125, 119, 116, + /* 100 */ 231, 329, 123, 123, 123, 123, 122, 122, 121, 121, + /* 110 */ 121, 120, 117, 448, 286, 286, 286, 286, 446, 446, + /* 120 */ 446, 1568, 378, 1570, 1193, 377, 1164, 569, 1164, 569, + /* 130 */ 411, 1568, 541, 261, 228, 448, 102, 146, 453, 318, + /* 140 */ 563, 242, 123, 123, 123, 123, 122, 122, 121, 121, + /* 150 */ 121, 120, 117, 448, 126, 127, 81, 1217, 1217, 1054, + /* 160 */ 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, 143, + /* 170 */ 296, 1193, 341, 452, 121, 121, 121, 120, 117, 448, + /* 180 */ 128, 1193, 1194, 1193, 149, 445, 444, 572, 120, 117, + /* 190 */ 448, 125, 125, 125, 125, 118, 123, 123, 123, 123, + /* 200 */ 122, 122, 121, 121, 121, 120, 117, 448, 458, 114, + /* 210 */ 13, 13, 550, 123, 123, 123, 123, 122, 122, 121, + /* 220 */ 121, 121, 120, 117, 448, 424, 318, 563, 1193, 1194, + /* 230 */ 1193, 150, 1225, 411, 1225, 125, 125, 125, 125, 123, + /* 240 */ 123, 123, 123, 122, 122, 121, 121, 121, 120, 117, + /* 250 */ 448, 469, 344, 1041, 1041, 1055, 1058, 126, 127, 81, + /* 260 */ 1217, 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, + /* 270 */ 125, 125, 1282, 526, 224, 1193, 572, 411, 226, 519, + /* 280 */ 177, 83, 84, 123, 123, 123, 123, 122, 122, 121, + /* 290 */ 121, 121, 120, 117, 448, 1010, 16, 16, 1193, 134, + /* 300 */ 134, 126, 127, 81, 1217, 1217, 1054, 1057, 1044, 1044, + /* 310 */ 124, 124, 125, 125, 125, 125, 123, 123, 123, 123, + /* 320 */ 122, 122, 121, 121, 121, 120, 117, 448, 1045, 550, + /* 330 */ 1193, 375, 1193, 1194, 1193, 254, 1438, 401, 508, 505, + /* 340 */ 504, 112, 564, 570, 4, 929, 929, 435, 503, 342, + /* 350 */ 464, 330, 362, 396, 1238, 1193, 1194, 1193, 567, 572, + /* 360 */ 123, 123, 123, 123, 122, 122, 121, 121, 121, 120, + /* 370 */ 117, 448, 286, 286, 371, 1581, 1607, 445, 444, 155, + /* 380 */ 411, 449, 72, 72, 1289, 569, 1222, 1193, 1194, 1193, + /* 390 */ 86, 1224, 273, 561, 547, 520, 520, 572, 99, 1223, + /* 400 */ 6, 1281, 476, 143, 126, 127, 81, 1217, 1217, 1054, + /* 410 */ 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, 554, + /* 420 */ 13, 13, 1031, 511, 1225, 1193, 1225, 553, 110, 110, + /* 430 */ 224, 572, 1239, 177, 572, 429, 111, 199, 449, 573, + /* 440 */ 449, 432, 1555, 1019, 327, 555, 1193, 272, 289, 370, + /* 450 */ 514, 365, 513, 259, 72, 72, 547, 72, 72, 361, + /* 460 */ 318, 563, 1613, 123, 123, 123, 123, 122, 122, 121, + /* 470 */ 121, 121, 120, 117, 448, 1019, 1019, 1021, 1022, 28, + /* 480 */ 286, 286, 1193, 1194, 1193, 1159, 572, 1612, 411, 904, + /* 490 */ 192, 554, 358, 569, 554, 940, 537, 521, 1159, 437, + /* 500 */ 415, 1159, 556, 1193, 1194, 1193, 572, 548, 548, 52, + /* 510 */ 52, 216, 126, 127, 81, 1217, 1217, 1054, 1057, 1044, + /* 520 */ 1044, 124, 124, 125, 125, 125, 125, 1193, 478, 136, + /* 530 */ 136, 411, 286, 286, 1493, 509, 122, 122, 121, 121, + /* 540 */ 121, 120, 117, 448, 1010, 569, 522, 219, 545, 545, + /* 550 */ 318, 563, 143, 6, 536, 126, 127, 81, 1217, 1217, + /* 560 */ 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, + /* 570 */ 1557, 123, 123, 123, 123, 122, 122, 121, 121, 121, + /* 580 */ 120, 117, 448, 489, 1193, 1194, 1193, 486, 283, 1270, + /* 590 */ 960, 254, 1193, 375, 508, 505, 504, 1193, 342, 574, + /* 600 */ 1193, 574, 411, 294, 503, 960, 879, 193, 484, 318, + /* 610 */ 563, 386, 292, 382, 123, 123, 123, 123, 122, 122, + /* 620 */ 121, 121, 121, 120, 117, 448, 126, 127, 81, 1217, + /* 630 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 640 */ 125, 411, 396, 1139, 1193, 872, 101, 286, 286, 1193, + /* 650 */ 1194, 1193, 375, 1096, 1193, 1194, 1193, 1193, 1194, 1193, + /* 660 */ 569, 459, 33, 375, 235, 126, 127, 81, 1217, 1217, + /* 670 */ 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, + /* 680 */ 1437, 962, 572, 230, 961, 123, 123, 123, 123, 122, + /* 690 */ 122, 121, 121, 121, 120, 117, 448, 1159, 230, 1193, + /* 700 */ 158, 1193, 1194, 1193, 1556, 13, 13, 303, 960, 1233, + /* 710 */ 1159, 154, 411, 1159, 375, 1584, 1177, 5, 371, 1581, + /* 720 */ 431, 1239, 3, 960, 123, 123, 123, 123, 122, 122, + /* 730 */ 121, 121, 121, 120, 117, 448, 126, 127, 81, 1217, + /* 740 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 750 */ 125, 411, 210, 571, 1193, 1032, 1193, 1194, 1193, 1193, + /* 760 */ 390, 855, 156, 1555, 376, 404, 1101, 1101, 492, 572, + /* 770 */ 469, 344, 1322, 1322, 1555, 126, 127, 81, 1217, 1217, + /* 780 */ 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, + /* 790 */ 130, 572, 13, 13, 532, 123, 123, 123, 123, 122, + /* 800 */ 122, 121, 121, 121, 120, 117, 448, 304, 572, 457, + /* 810 */ 229, 1193, 1194, 1193, 13, 13, 1193, 1194, 1193, 1300, + /* 820 */ 467, 1270, 411, 1320, 1320, 1555, 1015, 457, 456, 436, + /* 830 */ 301, 72, 72, 1268, 123, 123, 123, 123, 122, 122, + /* 840 */ 121, 121, 121, 120, 117, 448, 126, 127, 81, 1217, + /* 850 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 860 */ 125, 411, 384, 1076, 1159, 286, 286, 421, 314, 280, + /* 870 */ 280, 287, 287, 461, 408, 407, 1539, 1159, 569, 572, + /* 880 */ 1159, 1196, 569, 409, 569, 126, 127, 81, 1217, 1217, + /* 890 */ 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, 125, + /* 900 */ 457, 1485, 13, 13, 1541, 123, 123, 123, 123, 122, + /* 910 */ 122, 121, 121, 121, 120, 117, 448, 202, 572, 462, + /* 920 */ 1587, 578, 2, 1248, 843, 844, 845, 1563, 319, 409, + /* 930 */ 147, 6, 411, 257, 256, 255, 208, 1330, 9, 1196, + /* 940 */ 264, 72, 72, 1436, 123, 123, 123, 123, 122, 122, + /* 950 */ 121, 121, 121, 120, 117, 448, 126, 127, 81, 1217, + /* 960 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 970 */ 125, 572, 286, 286, 572, 1213, 411, 577, 315, 1248, + /* 980 */ 421, 371, 1581, 356, 319, 569, 147, 495, 529, 1644, + /* 990 */ 397, 935, 495, 1330, 71, 71, 934, 72, 72, 242, + /* 1000 */ 1328, 105, 81, 1217, 1217, 1054, 1057, 1044, 1044, 124, + /* 1010 */ 124, 125, 125, 125, 125, 123, 123, 123, 123, 122, + /* 1020 */ 122, 121, 121, 121, 120, 117, 448, 1117, 286, 286, + /* 1030 */ 1422, 452, 1528, 1213, 443, 286, 286, 1492, 1355, 313, + /* 1040 */ 478, 569, 1118, 454, 351, 495, 354, 1266, 569, 209, + /* 1050 */ 572, 418, 179, 572, 1031, 242, 385, 1119, 523, 123, + /* 1060 */ 123, 123, 123, 122, 122, 121, 121, 121, 120, 117, + /* 1070 */ 448, 1020, 108, 72, 72, 1019, 13, 13, 915, 572, + /* 1080 */ 1498, 572, 286, 286, 98, 530, 1537, 452, 916, 1334, + /* 1090 */ 1329, 203, 411, 286, 286, 569, 152, 211, 1498, 1500, + /* 1100 */ 426, 569, 56, 56, 57, 57, 569, 1019, 1019, 1021, + /* 1110 */ 447, 572, 411, 531, 12, 297, 126, 127, 81, 1217, + /* 1120 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 1130 */ 125, 572, 411, 867, 15, 15, 126, 127, 81, 1217, + /* 1140 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 1150 */ 125, 373, 529, 264, 44, 44, 126, 115, 81, 1217, + /* 1160 */ 1217, 1054, 1057, 1044, 1044, 124, 124, 125, 125, 125, + /* 1170 */ 125, 1498, 478, 1271, 417, 123, 123, 123, 123, 122, + /* 1180 */ 122, 121, 121, 121, 120, 117, 448, 205, 1213, 495, + /* 1190 */ 430, 867, 468, 322, 495, 123, 123, 123, 123, 122, + /* 1200 */ 122, 121, 121, 121, 120, 117, 448, 572, 557, 1140, + /* 1210 */ 1642, 1422, 1642, 543, 572, 123, 123, 123, 123, 122, + /* 1220 */ 122, 121, 121, 121, 120, 117, 448, 572, 1422, 572, + /* 1230 */ 13, 13, 542, 323, 1325, 411, 334, 58, 58, 349, + /* 1240 */ 1422, 1170, 326, 286, 286, 549, 1213, 300, 895, 530, + /* 1250 */ 45, 45, 59, 59, 1140, 1643, 569, 1643, 565, 417, + /* 1260 */ 127, 81, 1217, 1217, 1054, 1057, 1044, 1044, 124, 124, + /* 1270 */ 125, 125, 125, 125, 1367, 373, 500, 290, 1193, 512, + /* 1280 */ 1366, 427, 394, 394, 393, 275, 391, 896, 1138, 852, + /* 1290 */ 478, 258, 1422, 1170, 463, 1159, 12, 331, 428, 333, + /* 1300 */ 1117, 460, 236, 258, 325, 460, 544, 1544, 1159, 1098, + /* 1310 */ 491, 1159, 324, 1098, 440, 1118, 335, 516, 123, 123, + /* 1320 */ 123, 123, 122, 122, 121, 121, 121, 120, 117, 448, + /* 1330 */ 1119, 318, 563, 1138, 572, 1193, 1194, 1193, 112, 564, + /* 1340 */ 201, 4, 238, 433, 935, 490, 285, 228, 1517, 934, + /* 1350 */ 170, 560, 572, 142, 1516, 567, 572, 60, 60, 572, + /* 1360 */ 416, 572, 441, 572, 535, 302, 875, 8, 487, 572, + /* 1370 */ 237, 572, 416, 572, 485, 61, 61, 572, 449, 62, + /* 1380 */ 62, 332, 63, 63, 46, 46, 47, 47, 361, 572, + /* 1390 */ 561, 572, 48, 48, 50, 50, 51, 51, 572, 295, + /* 1400 */ 64, 64, 482, 295, 539, 412, 471, 1031, 572, 538, + /* 1410 */ 318, 563, 65, 65, 66, 66, 409, 475, 572, 1031, + /* 1420 */ 572, 14, 14, 875, 1020, 110, 110, 409, 1019, 572, + /* 1430 */ 474, 67, 67, 111, 455, 449, 573, 449, 98, 317, + /* 1440 */ 1019, 132, 132, 133, 133, 572, 1561, 572, 974, 409, + /* 1450 */ 6, 1562, 68, 68, 1560, 6, 975, 572, 6, 1559, + /* 1460 */ 1019, 1019, 1021, 6, 346, 218, 101, 531, 53, 53, + /* 1470 */ 69, 69, 1019, 1019, 1021, 1022, 28, 1586, 1181, 451, + /* 1480 */ 70, 70, 290, 87, 215, 31, 1363, 394, 394, 393, + /* 1490 */ 275, 391, 350, 109, 852, 107, 572, 112, 564, 483, + /* 1500 */ 4, 1212, 572, 239, 153, 572, 39, 236, 1299, 325, + /* 1510 */ 112, 564, 1298, 4, 567, 572, 32, 324, 572, 54, + /* 1520 */ 54, 572, 1135, 353, 398, 165, 165, 567, 166, 166, + /* 1530 */ 572, 291, 355, 572, 17, 357, 572, 449, 77, 77, + /* 1540 */ 1313, 55, 55, 1297, 73, 73, 572, 238, 470, 561, + /* 1550 */ 449, 472, 364, 135, 135, 170, 74, 74, 142, 163, + /* 1560 */ 163, 374, 561, 539, 572, 321, 572, 886, 540, 137, + /* 1570 */ 137, 339, 1353, 422, 298, 237, 539, 572, 1031, 572, + /* 1580 */ 340, 538, 101, 369, 110, 110, 162, 131, 131, 164, + /* 1590 */ 164, 1031, 111, 368, 449, 573, 449, 110, 110, 1019, + /* 1600 */ 157, 157, 141, 141, 572, 111, 572, 449, 573, 449, + /* 1610 */ 412, 288, 1019, 572, 882, 318, 563, 572, 219, 572, + /* 1620 */ 241, 1012, 477, 263, 263, 894, 893, 140, 140, 138, + /* 1630 */ 138, 1019, 1019, 1021, 1022, 28, 139, 139, 525, 455, + /* 1640 */ 76, 76, 78, 78, 1019, 1019, 1021, 1022, 28, 1181, + /* 1650 */ 451, 572, 1083, 290, 112, 564, 1575, 4, 394, 394, + /* 1660 */ 393, 275, 391, 572, 1023, 852, 572, 479, 345, 263, + /* 1670 */ 101, 567, 882, 1376, 75, 75, 1421, 501, 236, 260, + /* 1680 */ 325, 112, 564, 359, 4, 101, 43, 43, 324, 49, + /* 1690 */ 49, 901, 902, 161, 449, 101, 977, 978, 567, 1079, + /* 1700 */ 1349, 260, 965, 932, 263, 114, 561, 1095, 517, 1095, + /* 1710 */ 1083, 1094, 865, 1094, 151, 933, 1144, 114, 238, 1361, + /* 1720 */ 558, 449, 1023, 559, 1426, 1278, 170, 1269, 1257, 142, + /* 1730 */ 1601, 1256, 1258, 561, 1594, 1031, 496, 278, 213, 1346, + /* 1740 */ 310, 110, 110, 939, 311, 312, 237, 11, 234, 111, + /* 1750 */ 221, 449, 573, 449, 293, 395, 1019, 1408, 337, 1403, + /* 1760 */ 1396, 338, 1031, 299, 343, 1413, 1412, 481, 110, 110, + /* 1770 */ 506, 402, 225, 1296, 206, 367, 111, 1358, 449, 573, + /* 1780 */ 449, 412, 1359, 1019, 1489, 1488, 318, 563, 1019, 1019, + /* 1790 */ 1021, 1022, 28, 562, 207, 220, 80, 564, 389, 4, + /* 1800 */ 1597, 1357, 552, 1356, 1233, 181, 267, 232, 1536, 1534, + /* 1810 */ 455, 1230, 420, 567, 82, 1019, 1019, 1021, 1022, 28, + /* 1820 */ 86, 217, 85, 1494, 190, 175, 183, 465, 185, 466, + /* 1830 */ 36, 1409, 186, 187, 188, 499, 449, 244, 37, 99, + /* 1840 */ 400, 1415, 1414, 488, 1417, 194, 473, 403, 561, 1483, + /* 1850 */ 248, 92, 1505, 494, 198, 279, 112, 564, 250, 4, + /* 1860 */ 348, 497, 405, 352, 1259, 251, 252, 515, 1316, 434, + /* 1870 */ 1315, 1314, 94, 567, 1307, 886, 1306, 1031, 226, 406, + /* 1880 */ 1611, 1610, 438, 110, 110, 1580, 1286, 524, 439, 308, + /* 1890 */ 266, 111, 1285, 449, 573, 449, 449, 309, 1019, 366, + /* 1900 */ 1284, 1609, 265, 1566, 1565, 442, 372, 1381, 561, 129, + /* 1910 */ 550, 1380, 10, 1470, 383, 106, 316, 551, 100, 35, + /* 1920 */ 534, 575, 212, 1339, 381, 387, 1187, 1338, 274, 276, + /* 1930 */ 1019, 1019, 1021, 1022, 28, 277, 413, 1031, 576, 1254, + /* 1940 */ 388, 1521, 1249, 110, 110, 167, 1522, 168, 148, 1520, + /* 1950 */ 1519, 111, 306, 449, 573, 449, 222, 223, 1019, 839, + /* 1960 */ 169, 79, 450, 214, 414, 233, 320, 145, 1093, 1091, + /* 1970 */ 328, 182, 171, 1212, 918, 184, 240, 336, 243, 1107, + /* 1980 */ 189, 172, 173, 423, 425, 88, 180, 191, 89, 90, + /* 1990 */ 1019, 1019, 1021, 1022, 28, 91, 174, 1110, 245, 1106, + /* 2000 */ 246, 159, 18, 247, 347, 1099, 263, 195, 1227, 493, + /* 2010 */ 249, 196, 38, 854, 498, 368, 253, 360, 897, 197, + /* 2020 */ 502, 93, 19, 20, 507, 884, 363, 510, 95, 307, + /* 2030 */ 160, 96, 518, 97, 1175, 1060, 1146, 40, 21, 227, + /* 2040 */ 176, 1145, 282, 284, 969, 200, 963, 114, 262, 1165, + /* 2050 */ 22, 23, 24, 1161, 1169, 25, 1163, 1150, 34, 26, + /* 2060 */ 1168, 546, 27, 204, 101, 103, 104, 1074, 7, 1061, + /* 2070 */ 1059, 1063, 1116, 1064, 1115, 268, 269, 29, 41, 270, + /* 2080 */ 1024, 866, 113, 30, 568, 392, 1183, 144, 178, 1182, + /* 2090 */ 271, 928, 1245, 1245, 1245, 1245, 1245, 1245, 1245, 1602, }; static const YYCODETYPE yy_lookahead[] = { /* 0 */ 193, 193, 193, 274, 275, 276, 193, 274, 275, 276, @@ -167689,7 +171770,7 @@ static const YYCODETYPE yy_lookahead[] = { /* 730 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, /* 740 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, /* 750 */ 57, 19, 193, 193, 59, 23, 116, 117, 118, 59, - /* 760 */ 201, 21, 241, 304, 22, 206, 127, 128, 129, 193, + /* 760 */ 201, 21, 241, 304, 193, 206, 127, 128, 129, 193, /* 770 */ 128, 129, 235, 236, 304, 43, 44, 45, 46, 47, /* 780 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, /* 790 */ 22, 193, 216, 217, 193, 102, 103, 104, 105, 106, @@ -167700,129 +171781,129 @@ static const YYCODETYPE yy_lookahead[] = { /* 840 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, /* 850 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, /* 860 */ 57, 19, 193, 123, 76, 239, 240, 193, 253, 239, - /* 870 */ 240, 239, 240, 193, 106, 107, 193, 89, 252, 193, - /* 880 */ 92, 59, 252, 141, 252, 43, 44, 45, 46, 47, + /* 870 */ 240, 239, 240, 244, 106, 107, 193, 89, 252, 193, + /* 880 */ 92, 59, 252, 254, 252, 43, 44, 45, 46, 47, /* 890 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, /* 900 */ 284, 161, 216, 217, 193, 102, 103, 104, 105, 106, - /* 910 */ 107, 108, 109, 110, 111, 112, 113, 231, 193, 16, - /* 920 */ 187, 188, 189, 190, 7, 8, 9, 309, 195, 25, + /* 910 */ 107, 108, 109, 110, 111, 112, 113, 231, 193, 244, + /* 920 */ 187, 188, 189, 190, 7, 8, 9, 309, 195, 254, /* 930 */ 197, 313, 19, 127, 128, 129, 262, 204, 22, 117, - /* 940 */ 24, 216, 217, 263, 102, 103, 104, 105, 106, 107, + /* 940 */ 24, 216, 217, 273, 102, 103, 104, 105, 106, 107, /* 950 */ 108, 109, 110, 111, 112, 113, 43, 44, 45, 46, /* 960 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, /* 970 */ 57, 193, 239, 240, 193, 59, 19, 188, 253, 190, - /* 980 */ 77, 226, 79, 193, 195, 252, 197, 193, 19, 301, - /* 990 */ 302, 193, 193, 204, 216, 217, 226, 216, 217, 266, + /* 980 */ 193, 311, 312, 16, 195, 252, 197, 193, 19, 301, + /* 990 */ 302, 135, 193, 204, 216, 217, 140, 216, 217, 266, /* 1000 */ 204, 159, 45, 46, 47, 48, 49, 50, 51, 52, /* 1010 */ 53, 54, 55, 56, 57, 102, 103, 104, 105, 106, /* 1020 */ 107, 108, 109, 110, 111, 112, 113, 12, 239, 240, - /* 1030 */ 232, 298, 238, 117, 253, 239, 240, 238, 259, 260, - /* 1040 */ 193, 252, 27, 31, 193, 193, 142, 204, 252, 193, - /* 1050 */ 193, 39, 262, 193, 100, 266, 278, 42, 204, 102, + /* 1030 */ 193, 298, 238, 117, 253, 239, 240, 238, 259, 260, + /* 1040 */ 193, 252, 27, 193, 77, 193, 79, 204, 252, 262, + /* 1050 */ 193, 299, 300, 193, 100, 266, 278, 42, 204, 102, /* 1060 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, /* 1070 */ 113, 117, 159, 216, 217, 121, 216, 217, 63, 193, - /* 1080 */ 193, 193, 239, 240, 115, 116, 193, 298, 73, 238, + /* 1080 */ 193, 193, 239, 240, 115, 116, 193, 298, 73, 240, /* 1090 */ 238, 231, 19, 239, 240, 252, 22, 24, 211, 212, - /* 1100 */ 24, 193, 216, 217, 216, 217, 252, 153, 154, 155, - /* 1110 */ 253, 16, 19, 144, 213, 268, 43, 44, 45, 46, + /* 1100 */ 263, 252, 216, 217, 216, 217, 252, 153, 154, 155, + /* 1110 */ 253, 193, 19, 144, 213, 268, 43, 44, 45, 46, /* 1120 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 1130 */ 57, 238, 19, 59, 193, 59, 43, 44, 45, 46, + /* 1130 */ 57, 193, 19, 59, 216, 217, 43, 44, 45, 46, /* 1140 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 1150 */ 57, 22, 23, 193, 25, 193, 43, 44, 45, 46, + /* 1150 */ 57, 193, 19, 24, 216, 217, 43, 44, 45, 46, /* 1160 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 1170 */ 57, 284, 77, 193, 79, 102, 103, 104, 105, 106, - /* 1180 */ 107, 108, 109, 110, 111, 112, 113, 286, 193, 193, - /* 1190 */ 193, 117, 291, 117, 232, 102, 103, 104, 105, 106, - /* 1200 */ 107, 108, 109, 110, 111, 112, 113, 204, 22, 23, - /* 1210 */ 66, 25, 216, 217, 35, 102, 103, 104, 105, 106, - /* 1220 */ 107, 108, 109, 110, 111, 112, 113, 193, 268, 85, - /* 1230 */ 101, 193, 309, 309, 240, 19, 313, 313, 94, 208, - /* 1240 */ 209, 193, 239, 240, 193, 66, 252, 19, 268, 244, - /* 1250 */ 216, 217, 193, 74, 213, 252, 161, 19, 263, 254, + /* 1170 */ 57, 284, 193, 208, 209, 102, 103, 104, 105, 106, + /* 1180 */ 107, 108, 109, 110, 111, 112, 113, 286, 59, 193, + /* 1190 */ 232, 117, 291, 193, 193, 102, 103, 104, 105, 106, + /* 1200 */ 107, 108, 109, 110, 111, 112, 113, 193, 204, 22, + /* 1210 */ 23, 193, 25, 66, 193, 102, 103, 104, 105, 106, + /* 1220 */ 107, 108, 109, 110, 111, 112, 113, 193, 193, 193, + /* 1230 */ 216, 217, 85, 193, 238, 19, 16, 216, 217, 238, + /* 1240 */ 193, 94, 193, 239, 240, 231, 117, 268, 35, 116, + /* 1250 */ 216, 217, 216, 217, 22, 23, 252, 25, 208, 209, /* 1260 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, - /* 1270 */ 54, 55, 56, 57, 193, 216, 217, 5, 59, 193, - /* 1280 */ 19, 244, 10, 11, 12, 13, 14, 101, 309, 17, - /* 1290 */ 146, 254, 313, 193, 193, 76, 115, 216, 217, 309, - /* 1300 */ 12, 263, 30, 313, 32, 46, 87, 46, 89, 130, - /* 1310 */ 193, 92, 40, 22, 263, 27, 216, 217, 102, 103, + /* 1270 */ 54, 55, 56, 57, 193, 193, 19, 5, 59, 66, + /* 1280 */ 193, 263, 10, 11, 12, 13, 14, 74, 101, 17, + /* 1290 */ 193, 46, 193, 146, 193, 76, 213, 77, 263, 79, + /* 1300 */ 12, 260, 30, 46, 32, 264, 87, 193, 89, 29, + /* 1310 */ 263, 92, 40, 33, 232, 27, 193, 108, 102, 103, /* 1320 */ 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, - /* 1330 */ 42, 150, 291, 216, 217, 116, 117, 118, 19, 20, - /* 1340 */ 193, 22, 70, 260, 116, 193, 24, 264, 193, 263, - /* 1350 */ 78, 63, 61, 81, 116, 36, 193, 260, 193, 29, - /* 1360 */ 193, 264, 193, 33, 145, 193, 59, 48, 216, 217, - /* 1370 */ 98, 216, 217, 193, 115, 193, 115, 193, 59, 216, - /* 1380 */ 217, 216, 217, 216, 217, 216, 217, 255, 216, 217, - /* 1390 */ 71, 193, 131, 193, 25, 65, 216, 217, 216, 217, - /* 1400 */ 216, 217, 208, 209, 85, 133, 193, 100, 193, 90, - /* 1410 */ 138, 139, 138, 139, 216, 217, 216, 217, 193, 100, - /* 1420 */ 193, 108, 135, 116, 117, 106, 107, 140, 121, 216, - /* 1430 */ 217, 216, 217, 114, 162, 116, 117, 118, 299, 300, - /* 1440 */ 121, 216, 217, 216, 217, 193, 244, 193, 135, 244, - /* 1450 */ 193, 256, 257, 140, 244, 193, 254, 193, 193, 254, - /* 1460 */ 153, 154, 155, 141, 254, 149, 150, 258, 216, 217, + /* 1330 */ 42, 138, 139, 101, 193, 116, 117, 118, 19, 20, + /* 1340 */ 255, 22, 70, 130, 135, 65, 256, 257, 193, 140, + /* 1350 */ 78, 63, 193, 81, 193, 36, 193, 216, 217, 193, + /* 1360 */ 115, 193, 263, 193, 145, 268, 59, 48, 193, 193, + /* 1370 */ 98, 193, 115, 193, 291, 216, 217, 193, 59, 216, + /* 1380 */ 217, 161, 216, 217, 216, 217, 216, 217, 131, 193, + /* 1390 */ 71, 193, 216, 217, 216, 217, 216, 217, 193, 260, + /* 1400 */ 216, 217, 19, 264, 85, 133, 244, 100, 193, 90, + /* 1410 */ 138, 139, 216, 217, 216, 217, 254, 244, 193, 100, + /* 1420 */ 193, 216, 217, 116, 117, 106, 107, 254, 121, 193, + /* 1430 */ 115, 216, 217, 114, 162, 116, 117, 118, 115, 244, + /* 1440 */ 121, 216, 217, 216, 217, 193, 309, 193, 31, 254, + /* 1450 */ 313, 309, 216, 217, 309, 313, 39, 193, 313, 309, + /* 1460 */ 153, 154, 155, 313, 193, 150, 25, 144, 216, 217, /* 1470 */ 216, 217, 153, 154, 155, 156, 157, 0, 1, 2, - /* 1480 */ 216, 217, 5, 115, 158, 193, 160, 10, 11, 12, - /* 1490 */ 13, 14, 193, 59, 17, 126, 193, 19, 20, 129, - /* 1500 */ 22, 193, 22, 22, 24, 193, 23, 30, 25, 32, - /* 1510 */ 19, 20, 144, 22, 36, 216, 217, 40, 193, 216, - /* 1520 */ 217, 193, 152, 129, 216, 217, 193, 36, 216, 217, - /* 1530 */ 193, 99, 193, 193, 53, 193, 193, 59, 23, 193, - /* 1540 */ 25, 216, 217, 193, 216, 217, 152, 70, 59, 71, - /* 1550 */ 59, 117, 193, 216, 217, 78, 216, 217, 81, 216, - /* 1560 */ 217, 318, 71, 85, 193, 133, 193, 193, 90, 23, - /* 1570 */ 23, 25, 25, 120, 121, 98, 85, 193, 100, 193, - /* 1580 */ 23, 90, 25, 121, 106, 107, 19, 216, 217, 216, + /* 1480 */ 216, 217, 5, 149, 150, 22, 193, 10, 11, 12, + /* 1490 */ 13, 14, 193, 158, 17, 160, 193, 19, 20, 116, + /* 1500 */ 22, 25, 193, 24, 22, 193, 24, 30, 226, 32, + /* 1510 */ 19, 20, 226, 22, 36, 193, 53, 40, 193, 216, + /* 1520 */ 217, 193, 23, 193, 25, 216, 217, 36, 216, 217, + /* 1530 */ 193, 99, 193, 193, 22, 193, 193, 59, 216, 217, + /* 1540 */ 193, 216, 217, 193, 216, 217, 193, 70, 129, 71, + /* 1550 */ 59, 129, 193, 216, 217, 78, 216, 217, 81, 216, + /* 1560 */ 217, 193, 71, 85, 193, 133, 193, 126, 90, 216, + /* 1570 */ 217, 152, 258, 61, 152, 98, 85, 193, 100, 193, + /* 1580 */ 23, 90, 25, 121, 106, 107, 23, 216, 217, 216, /* 1590 */ 217, 100, 114, 131, 116, 117, 118, 106, 107, 121, - /* 1600 */ 216, 217, 216, 217, 193, 114, 117, 116, 117, 118, - /* 1610 */ 133, 193, 121, 193, 193, 138, 139, 193, 23, 193, - /* 1620 */ 25, 23, 23, 25, 25, 7, 8, 216, 217, 193, - /* 1630 */ 193, 153, 154, 155, 156, 157, 216, 217, 193, 162, + /* 1600 */ 216, 217, 216, 217, 193, 114, 193, 116, 117, 118, + /* 1610 */ 133, 22, 121, 193, 59, 138, 139, 193, 142, 193, + /* 1620 */ 141, 23, 23, 25, 25, 120, 121, 216, 217, 216, + /* 1630 */ 217, 153, 154, 155, 156, 157, 216, 217, 19, 162, /* 1640 */ 216, 217, 216, 217, 153, 154, 155, 156, 157, 1, - /* 1650 */ 2, 193, 193, 5, 19, 20, 59, 22, 10, 11, - /* 1660 */ 12, 13, 14, 193, 97, 17, 193, 23, 193, 25, - /* 1670 */ 288, 36, 193, 242, 216, 217, 236, 23, 30, 25, + /* 1650 */ 2, 193, 59, 5, 19, 20, 318, 22, 10, 11, + /* 1660 */ 12, 13, 14, 193, 59, 17, 193, 23, 23, 25, + /* 1670 */ 25, 36, 117, 193, 216, 217, 193, 23, 30, 25, /* 1680 */ 32, 19, 20, 23, 22, 25, 216, 217, 40, 216, - /* 1690 */ 217, 216, 217, 193, 59, 216, 217, 193, 36, 83, - /* 1700 */ 84, 153, 153, 155, 155, 23, 71, 25, 23, 193, - /* 1710 */ 25, 193, 193, 193, 117, 193, 193, 193, 70, 193, - /* 1720 */ 193, 59, 193, 255, 255, 287, 78, 255, 243, 81, - /* 1730 */ 191, 255, 297, 71, 271, 100, 293, 245, 267, 214, - /* 1740 */ 246, 106, 107, 108, 246, 271, 98, 245, 293, 114, - /* 1750 */ 220, 116, 117, 118, 267, 271, 121, 271, 225, 219, - /* 1760 */ 229, 219, 100, 219, 259, 259, 259, 259, 106, 107, - /* 1770 */ 249, 196, 60, 280, 141, 243, 114, 249, 116, 117, - /* 1780 */ 118, 133, 245, 121, 200, 297, 138, 139, 153, 154, - /* 1790 */ 155, 156, 157, 297, 200, 38, 19, 20, 151, 22, - /* 1800 */ 200, 150, 140, 294, 294, 22, 272, 43, 234, 18, - /* 1810 */ 162, 270, 200, 36, 237, 153, 154, 155, 156, 157, - /* 1820 */ 237, 283, 237, 237, 18, 199, 149, 246, 272, 270, - /* 1830 */ 272, 200, 158, 246, 246, 234, 59, 234, 246, 199, - /* 1840 */ 290, 62, 289, 200, 199, 22, 221, 115, 71, 200, - /* 1850 */ 200, 199, 199, 221, 218, 218, 19, 20, 64, 22, - /* 1860 */ 218, 227, 22, 224, 126, 224, 165, 221, 24, 305, - /* 1870 */ 200, 113, 312, 36, 218, 220, 218, 100, 282, 218, - /* 1880 */ 91, 218, 317, 106, 107, 221, 227, 282, 317, 82, - /* 1890 */ 148, 114, 265, 116, 117, 118, 59, 145, 121, 22, - /* 1900 */ 277, 158, 200, 265, 25, 202, 147, 250, 71, 279, - /* 1910 */ 13, 146, 194, 194, 249, 248, 250, 140, 247, 246, - /* 1920 */ 6, 192, 192, 192, 303, 303, 213, 207, 300, 213, - /* 1930 */ 153, 154, 155, 156, 157, 213, 213, 100, 213, 222, - /* 1940 */ 207, 214, 214, 106, 107, 4, 222, 207, 3, 22, - /* 1950 */ 163, 114, 15, 116, 117, 118, 16, 23, 121, 23, - /* 1960 */ 139, 151, 130, 25, 142, 16, 24, 20, 144, 1, - /* 1970 */ 142, 130, 130, 61, 53, 53, 37, 151, 53, 53, - /* 1980 */ 130, 116, 34, 1, 141, 5, 22, 115, 161, 141, - /* 1990 */ 153, 154, 155, 156, 157, 25, 68, 68, 75, 41, - /* 2000 */ 115, 24, 131, 20, 19, 125, 22, 96, 22, 22, - /* 2010 */ 67, 23, 22, 67, 59, 24, 22, 28, 67, 23, - /* 2020 */ 22, 22, 149, 23, 23, 23, 116, 23, 25, 37, - /* 2030 */ 97, 141, 23, 23, 22, 143, 25, 75, 88, 34, - /* 2040 */ 34, 34, 34, 86, 75, 93, 23, 34, 22, 34, - /* 2050 */ 25, 24, 34, 25, 23, 142, 23, 142, 44, 23, - /* 2060 */ 23, 23, 11, 23, 25, 22, 22, 22, 15, 23, - /* 2070 */ 23, 22, 22, 25, 1, 1, 141, 25, 23, 135, - /* 2080 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, - /* 2090 */ 319, 319, 319, 319, 141, 141, 319, 141, 319, 319, + /* 1690 */ 217, 7, 8, 23, 59, 25, 83, 84, 36, 23, + /* 1700 */ 193, 25, 23, 23, 25, 25, 71, 153, 145, 155, + /* 1710 */ 117, 153, 23, 155, 25, 23, 97, 25, 70, 193, + /* 1720 */ 193, 59, 117, 236, 193, 193, 78, 193, 193, 81, + /* 1730 */ 141, 193, 193, 71, 193, 100, 288, 287, 242, 255, + /* 1740 */ 255, 106, 107, 108, 255, 255, 98, 243, 297, 114, + /* 1750 */ 214, 116, 117, 118, 245, 191, 121, 271, 293, 267, + /* 1760 */ 267, 246, 100, 246, 245, 271, 271, 293, 106, 107, + /* 1770 */ 220, 271, 229, 225, 249, 219, 114, 259, 116, 117, + /* 1780 */ 118, 133, 259, 121, 219, 219, 138, 139, 153, 154, + /* 1790 */ 155, 156, 157, 280, 249, 243, 19, 20, 245, 22, + /* 1800 */ 196, 259, 140, 259, 60, 297, 141, 297, 200, 200, + /* 1810 */ 162, 38, 200, 36, 294, 153, 154, 155, 156, 157, + /* 1820 */ 151, 150, 294, 283, 22, 43, 234, 18, 237, 200, + /* 1830 */ 270, 272, 237, 237, 237, 18, 59, 199, 270, 149, + /* 1840 */ 246, 272, 272, 200, 234, 234, 246, 246, 71, 246, + /* 1850 */ 199, 158, 290, 62, 22, 200, 19, 20, 199, 22, + /* 1860 */ 289, 221, 221, 200, 200, 199, 199, 115, 218, 64, + /* 1870 */ 218, 218, 22, 36, 227, 126, 227, 100, 165, 221, + /* 1880 */ 224, 224, 24, 106, 107, 312, 218, 305, 113, 282, + /* 1890 */ 91, 114, 220, 116, 117, 118, 59, 282, 121, 218, + /* 1900 */ 218, 218, 200, 317, 317, 82, 221, 265, 71, 148, + /* 1910 */ 145, 265, 22, 277, 200, 158, 279, 140, 147, 25, + /* 1920 */ 146, 202, 248, 250, 249, 247, 13, 250, 194, 194, + /* 1930 */ 153, 154, 155, 156, 157, 6, 303, 100, 192, 192, + /* 1940 */ 246, 213, 192, 106, 107, 207, 213, 207, 222, 213, + /* 1950 */ 213, 114, 222, 116, 117, 118, 214, 214, 121, 4, + /* 1960 */ 207, 213, 3, 22, 303, 15, 163, 16, 23, 23, + /* 1970 */ 139, 151, 130, 25, 20, 142, 24, 16, 144, 1, + /* 1980 */ 142, 130, 130, 61, 37, 53, 300, 151, 53, 53, + /* 1990 */ 153, 154, 155, 156, 157, 53, 130, 116, 34, 1, + /* 2000 */ 141, 5, 22, 115, 161, 68, 25, 68, 75, 41, + /* 2010 */ 141, 115, 24, 20, 19, 131, 125, 23, 28, 22, + /* 2020 */ 67, 22, 22, 22, 67, 59, 24, 96, 22, 67, + /* 2030 */ 23, 149, 22, 25, 23, 23, 23, 22, 34, 141, + /* 2040 */ 37, 97, 23, 23, 116, 22, 143, 25, 34, 75, + /* 2050 */ 34, 34, 34, 88, 75, 34, 86, 23, 22, 34, + /* 2060 */ 93, 24, 34, 25, 25, 142, 142, 23, 44, 23, + /* 2070 */ 23, 23, 23, 11, 23, 25, 22, 22, 22, 141, + /* 2080 */ 23, 23, 22, 22, 25, 15, 1, 23, 25, 1, + /* 2090 */ 141, 135, 319, 319, 319, 319, 319, 319, 319, 141, /* 2100 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, /* 2110 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, /* 2120 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, @@ -167841,176 +171922,177 @@ static const YYCODETYPE yy_lookahead[] = { /* 2250 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, /* 2260 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, /* 2270 */ 319, 319, 319, 319, 319, 319, 319, 319, 319, 319, - /* 2280 */ 319, 319, 319, + /* 2280 */ 319, 319, 319, 319, 319, }; -#define YY_SHIFT_COUNT (575) +#define YY_SHIFT_COUNT (578) #define YY_SHIFT_MIN (0) -#define YY_SHIFT_MAX (2074) +#define YY_SHIFT_MAX (2088) static const unsigned short int yy_shift_ofst[] = { /* 0 */ 1648, 1477, 1272, 322, 322, 1, 1319, 1478, 1491, 1837, /* 10 */ 1837, 1837, 471, 0, 0, 214, 1093, 1837, 1837, 1837, /* 20 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, - /* 30 */ 271, 271, 1219, 1219, 216, 88, 1, 1, 1, 1, - /* 40 */ 1, 40, 111, 258, 361, 469, 512, 583, 622, 693, - /* 50 */ 732, 803, 842, 913, 1073, 1093, 1093, 1093, 1093, 1093, + /* 30 */ 1837, 271, 271, 1219, 1219, 216, 88, 1, 1, 1, + /* 40 */ 1, 1, 40, 111, 258, 361, 469, 512, 583, 622, + /* 50 */ 693, 732, 803, 842, 913, 1073, 1093, 1093, 1093, 1093, /* 60 */ 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, 1093, - /* 70 */ 1093, 1093, 1093, 1113, 1093, 1216, 957, 957, 1635, 1662, - /* 80 */ 1777, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, + /* 70 */ 1093, 1093, 1093, 1093, 1113, 1093, 1216, 957, 957, 1635, + /* 80 */ 1662, 1777, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, /* 90 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, /* 100 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, /* 110 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, /* 120 */ 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, 1837, - /* 130 */ 137, 181, 181, 181, 181, 181, 181, 181, 94, 430, - /* 140 */ 66, 65, 112, 366, 533, 533, 740, 1261, 533, 533, - /* 150 */ 79, 79, 533, 412, 412, 412, 77, 412, 123, 113, - /* 160 */ 113, 22, 22, 2098, 2098, 328, 328, 328, 239, 468, - /* 170 */ 468, 468, 468, 1015, 1015, 409, 366, 1129, 1186, 533, - /* 180 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 533, - /* 190 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 969, - /* 200 */ 621, 621, 533, 642, 788, 788, 1228, 1228, 822, 822, - /* 210 */ 67, 1274, 2098, 2098, 2098, 2098, 2098, 2098, 2098, 1307, - /* 220 */ 954, 954, 585, 472, 640, 387, 695, 538, 541, 700, - /* 230 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 533, - /* 240 */ 222, 533, 533, 533, 533, 533, 533, 533, 533, 533, - /* 250 */ 533, 533, 533, 1179, 1179, 1179, 533, 533, 533, 565, - /* 260 */ 533, 533, 533, 916, 1144, 533, 533, 1288, 533, 533, - /* 270 */ 533, 533, 533, 533, 533, 533, 639, 1330, 209, 1076, - /* 280 */ 1076, 1076, 1076, 580, 209, 209, 1313, 768, 917, 649, - /* 290 */ 1181, 1316, 405, 1316, 1238, 249, 1181, 1181, 249, 1181, - /* 300 */ 405, 1238, 1369, 464, 1259, 1012, 1012, 1012, 1368, 1368, - /* 310 */ 1368, 1368, 184, 184, 1326, 904, 1287, 1480, 1712, 1712, - /* 320 */ 1633, 1633, 1757, 1757, 1633, 1647, 1651, 1783, 1764, 1791, - /* 330 */ 1791, 1791, 1791, 1633, 1806, 1677, 1651, 1651, 1677, 1783, - /* 340 */ 1764, 1677, 1764, 1677, 1633, 1806, 1674, 1779, 1633, 1806, - /* 350 */ 1823, 1633, 1806, 1633, 1806, 1823, 1732, 1732, 1732, 1794, - /* 360 */ 1840, 1840, 1823, 1732, 1738, 1732, 1794, 1732, 1732, 1701, - /* 370 */ 1844, 1758, 1758, 1823, 1633, 1789, 1789, 1807, 1807, 1742, - /* 380 */ 1752, 1877, 1633, 1743, 1742, 1759, 1765, 1677, 1879, 1897, - /* 390 */ 1897, 1914, 1914, 1914, 2098, 2098, 2098, 2098, 2098, 2098, - /* 400 */ 2098, 2098, 2098, 2098, 2098, 2098, 2098, 2098, 2098, 207, - /* 410 */ 1095, 331, 620, 903, 806, 1074, 1483, 1432, 1481, 1322, - /* 420 */ 1370, 1394, 1515, 1291, 1546, 1547, 1557, 1595, 1598, 1599, - /* 430 */ 1434, 1453, 1618, 1462, 1567, 1489, 1644, 1654, 1616, 1660, - /* 440 */ 1548, 1549, 1682, 1685, 1597, 742, 1941, 1945, 1927, 1787, - /* 450 */ 1937, 1940, 1934, 1936, 1821, 1810, 1832, 1938, 1938, 1942, - /* 460 */ 1822, 1947, 1824, 1949, 1968, 1828, 1841, 1938, 1842, 1912, - /* 470 */ 1939, 1938, 1826, 1921, 1922, 1925, 1926, 1850, 1865, 1948, - /* 480 */ 1843, 1982, 1980, 1964, 1872, 1827, 1928, 1970, 1929, 1923, - /* 490 */ 1958, 1848, 1885, 1977, 1983, 1985, 1871, 1880, 1984, 1943, - /* 500 */ 1986, 1987, 1988, 1990, 1946, 1955, 1991, 1911, 1989, 1994, - /* 510 */ 1951, 1992, 1996, 1873, 1998, 2000, 2001, 2002, 2003, 2004, - /* 520 */ 1999, 1933, 1890, 2009, 2010, 1910, 2005, 2012, 1892, 2011, - /* 530 */ 2006, 2007, 2008, 2013, 1950, 1962, 1957, 2014, 1969, 1952, - /* 540 */ 2015, 2023, 2026, 2027, 2025, 2028, 2018, 1913, 1915, 2031, - /* 550 */ 2011, 2033, 2036, 2037, 2038, 2039, 2040, 2043, 2051, 2044, - /* 560 */ 2045, 2046, 2047, 2049, 2050, 2048, 1944, 1935, 1953, 1954, - /* 570 */ 1956, 2052, 2055, 2053, 2073, 2074, + /* 130 */ 1837, 137, 181, 181, 181, 181, 181, 181, 181, 94, + /* 140 */ 430, 66, 65, 112, 366, 533, 533, 740, 1257, 533, + /* 150 */ 533, 79, 79, 533, 412, 412, 412, 77, 412, 123, + /* 160 */ 113, 113, 113, 22, 22, 2100, 2100, 328, 328, 328, + /* 170 */ 239, 468, 468, 468, 468, 1015, 1015, 409, 366, 1187, + /* 180 */ 1232, 533, 533, 533, 533, 533, 533, 533, 533, 533, + /* 190 */ 533, 533, 533, 533, 533, 533, 533, 533, 533, 533, + /* 200 */ 533, 969, 621, 621, 533, 642, 788, 788, 1133, 1133, + /* 210 */ 822, 822, 67, 1193, 2100, 2100, 2100, 2100, 2100, 2100, + /* 220 */ 2100, 1307, 954, 954, 585, 472, 640, 387, 695, 538, + /* 230 */ 541, 700, 533, 533, 533, 533, 533, 533, 533, 533, + /* 240 */ 533, 533, 222, 533, 533, 533, 533, 533, 533, 533, + /* 250 */ 533, 533, 533, 533, 533, 1213, 1213, 1213, 533, 533, + /* 260 */ 533, 565, 533, 533, 533, 916, 1147, 533, 533, 1288, + /* 270 */ 533, 533, 533, 533, 533, 533, 533, 533, 639, 1280, + /* 280 */ 209, 1129, 1129, 1129, 1129, 580, 209, 209, 1209, 768, + /* 290 */ 917, 649, 1315, 1334, 405, 1334, 1383, 249, 1315, 1315, + /* 300 */ 249, 1315, 405, 1383, 1441, 464, 1245, 1417, 1417, 1417, + /* 310 */ 1323, 1323, 1323, 1323, 184, 184, 1335, 1476, 856, 1482, + /* 320 */ 1744, 1744, 1665, 1665, 1773, 1773, 1665, 1669, 1671, 1802, + /* 330 */ 1782, 1809, 1809, 1809, 1809, 1665, 1817, 1690, 1671, 1671, + /* 340 */ 1690, 1802, 1782, 1690, 1782, 1690, 1665, 1817, 1693, 1791, + /* 350 */ 1665, 1817, 1832, 1665, 1817, 1665, 1817, 1832, 1752, 1752, + /* 360 */ 1752, 1805, 1850, 1850, 1832, 1752, 1749, 1752, 1805, 1752, + /* 370 */ 1752, 1713, 1858, 1775, 1775, 1832, 1665, 1799, 1799, 1823, + /* 380 */ 1823, 1761, 1765, 1890, 1665, 1757, 1761, 1771, 1774, 1690, + /* 390 */ 1894, 1913, 1913, 1929, 1929, 1929, 2100, 2100, 2100, 2100, + /* 400 */ 2100, 2100, 2100, 2100, 2100, 2100, 2100, 2100, 2100, 2100, + /* 410 */ 2100, 207, 1220, 331, 620, 967, 806, 1074, 1499, 1432, + /* 420 */ 1463, 1479, 1419, 1422, 1557, 1512, 1598, 1599, 1644, 1645, + /* 430 */ 1654, 1660, 1555, 1505, 1684, 1462, 1670, 1563, 1619, 1593, + /* 440 */ 1676, 1679, 1613, 1680, 1554, 1558, 1689, 1692, 1605, 1589, + /* 450 */ 1955, 1959, 1941, 1803, 1950, 1951, 1945, 1946, 1831, 1820, + /* 460 */ 1842, 1948, 1948, 1952, 1833, 1954, 1834, 1961, 1978, 1838, + /* 470 */ 1851, 1948, 1852, 1922, 1947, 1948, 1836, 1932, 1935, 1936, + /* 480 */ 1942, 1866, 1881, 1964, 1859, 1998, 1996, 1980, 1888, 1843, + /* 490 */ 1937, 1981, 1939, 1933, 1968, 1869, 1896, 1988, 1993, 1995, + /* 500 */ 1884, 1891, 1997, 1953, 1999, 2000, 1994, 2001, 1957, 1966, + /* 510 */ 2002, 1931, 1990, 2006, 1962, 2003, 2007, 2004, 1882, 2010, + /* 520 */ 2011, 2012, 2008, 2013, 2015, 1944, 1898, 2019, 2020, 1928, + /* 530 */ 2014, 2023, 1903, 2022, 2016, 2017, 2018, 2021, 1965, 1974, + /* 540 */ 1970, 2024, 1979, 1967, 2025, 2034, 2036, 2037, 2038, 2039, + /* 550 */ 2028, 1923, 1924, 2044, 2022, 2046, 2047, 2048, 2049, 2050, + /* 560 */ 2051, 2054, 2062, 2055, 2056, 2057, 2058, 2060, 2061, 2059, + /* 570 */ 1956, 1938, 1949, 1958, 2063, 2064, 2070, 2085, 2088, }; -#define YY_REDUCE_COUNT (408) +#define YY_REDUCE_COUNT (410) #define YY_REDUCE_MIN (-271) -#define YY_REDUCE_MAX (1740) +#define YY_REDUCE_MAX (1753) static const short yy_reduce_ofst[] = { /* 0 */ -125, 733, 789, 241, 293, -123, -193, -191, -183, -187, /* 10 */ 166, 238, 133, -207, -199, -267, -176, -6, 204, 489, - /* 20 */ 576, -175, 598, 686, 615, 725, 860, 778, 781, 857, - /* 30 */ 616, 887, 87, 240, -192, 408, 626, 796, 843, 854, - /* 40 */ 1003, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 20 */ 576, 598, -175, 686, 860, 615, 725, 1014, 778, 781, + /* 30 */ 857, 616, 887, 87, 240, -192, 408, 626, 796, 843, + /* 40 */ 854, 1004, -271, -271, -271, -271, -271, -271, -271, -271, /* 50 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, /* 60 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, - /* 70 */ -271, -271, -271, -271, -271, -271, -271, -271, 80, 83, - /* 80 */ 313, 886, 888, 996, 1034, 1059, 1081, 1100, 1117, 1152, - /* 90 */ 1155, 1163, 1165, 1167, 1169, 1172, 1180, 1182, 1184, 1198, - /* 100 */ 1200, 1213, 1215, 1225, 1227, 1252, 1254, 1264, 1299, 1303, - /* 110 */ 1308, 1312, 1325, 1328, 1337, 1340, 1343, 1371, 1373, 1384, - /* 120 */ 1386, 1411, 1420, 1424, 1426, 1458, 1470, 1473, 1475, 1479, - /* 130 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, -271, - /* 140 */ -271, 138, 459, 396, -158, 470, 302, -212, 521, 201, - /* 150 */ -195, -92, 559, 630, 632, 630, -271, 632, 901, 63, - /* 160 */ 407, -271, -271, -271, -271, 161, 161, 161, 251, 335, - /* 170 */ 847, 960, 980, 537, 588, 618, 628, 688, 688, -166, - /* 180 */ -161, 674, 790, 794, 799, 851, 852, -122, 680, -120, - /* 190 */ 995, 1038, 415, 1051, 893, 798, 962, 400, 1086, 779, - /* 200 */ 923, 924, 263, 1041, 979, 990, 1083, 1097, 1031, 1194, - /* 210 */ 362, 994, 1139, 1005, 1037, 1202, 1205, 1195, 1210, -194, - /* 220 */ 56, 185, -135, 232, 522, 560, 601, 617, 669, 683, - /* 230 */ 711, 856, 908, 941, 1048, 1101, 1147, 1257, 1262, 1265, - /* 240 */ 392, 1292, 1333, 1339, 1342, 1346, 1350, 1359, 1374, 1418, - /* 250 */ 1421, 1436, 1437, 593, 755, 770, 997, 1445, 1459, 1209, - /* 260 */ 1500, 1504, 1516, 1132, 1243, 1518, 1519, 1440, 1520, 560, - /* 270 */ 1522, 1523, 1524, 1526, 1527, 1529, 1382, 1438, 1431, 1468, - /* 280 */ 1469, 1472, 1476, 1209, 1431, 1431, 1485, 1525, 1539, 1435, - /* 290 */ 1463, 1471, 1492, 1487, 1443, 1494, 1474, 1484, 1498, 1486, - /* 300 */ 1502, 1455, 1530, 1531, 1533, 1540, 1542, 1544, 1505, 1506, - /* 310 */ 1507, 1508, 1521, 1528, 1493, 1537, 1532, 1575, 1488, 1496, - /* 320 */ 1584, 1594, 1509, 1510, 1600, 1538, 1534, 1541, 1574, 1577, - /* 330 */ 1583, 1585, 1586, 1612, 1626, 1581, 1556, 1558, 1587, 1559, - /* 340 */ 1601, 1588, 1603, 1592, 1631, 1640, 1550, 1553, 1643, 1645, - /* 350 */ 1625, 1649, 1652, 1650, 1653, 1632, 1636, 1637, 1642, 1634, - /* 360 */ 1639, 1641, 1646, 1656, 1655, 1658, 1659, 1661, 1663, 1560, - /* 370 */ 1564, 1596, 1605, 1664, 1670, 1565, 1571, 1627, 1638, 1657, - /* 380 */ 1665, 1623, 1702, 1630, 1666, 1667, 1671, 1673, 1703, 1718, - /* 390 */ 1719, 1729, 1730, 1731, 1621, 1622, 1628, 1720, 1713, 1716, - /* 400 */ 1722, 1723, 1733, 1717, 1724, 1727, 1728, 1725, 1740, + /* 70 */ -271, -271, -271, -271, -271, -271, -271, -271, -271, 80, + /* 80 */ 83, 313, 886, 888, 918, 938, 1021, 1034, 1036, 1141, + /* 90 */ 1159, 1163, 1166, 1168, 1170, 1176, 1178, 1180, 1184, 1196, + /* 100 */ 1198, 1205, 1215, 1225, 1227, 1236, 1252, 1254, 1264, 1303, + /* 110 */ 1309, 1312, 1322, 1325, 1328, 1337, 1340, 1343, 1353, 1371, + /* 120 */ 1373, 1384, 1386, 1411, 1413, 1420, 1424, 1426, 1458, 1470, + /* 130 */ 1473, -271, -271, -271, -271, -271, -271, -271, -271, -271, + /* 140 */ -271, -271, 138, 459, 396, -158, 470, 302, -212, 521, + /* 150 */ 201, -195, -92, 559, 630, 632, 630, -271, 632, 901, + /* 160 */ 63, 407, 670, -271, -271, -271, -271, 161, 161, 161, + /* 170 */ 251, 335, 847, 979, 1097, 537, 588, 618, 628, 688, + /* 180 */ 688, -166, -161, 674, 787, 794, 799, 852, 996, -122, + /* 190 */ 837, -120, 1018, 1035, 415, 1047, 1001, 958, 1082, 400, + /* 200 */ 1099, 779, 1137, 1142, 263, 1083, 1145, 1150, 1041, 1139, + /* 210 */ 965, 1050, 362, 849, 752, 629, 675, 1162, 1173, 1090, + /* 220 */ 1195, -194, 56, 185, -135, 232, 522, 560, 571, 601, + /* 230 */ 617, 669, 683, 711, 850, 893, 1000, 1040, 1049, 1081, + /* 240 */ 1087, 1101, 392, 1114, 1123, 1155, 1161, 1175, 1271, 1293, + /* 250 */ 1299, 1330, 1339, 1342, 1347, 593, 1282, 1286, 1350, 1359, + /* 260 */ 1368, 1314, 1480, 1483, 1507, 1085, 1338, 1526, 1527, 1487, + /* 270 */ 1531, 560, 1532, 1534, 1535, 1538, 1539, 1541, 1448, 1450, + /* 280 */ 1496, 1484, 1485, 1489, 1490, 1314, 1496, 1496, 1504, 1536, + /* 290 */ 1564, 1451, 1486, 1492, 1509, 1493, 1465, 1515, 1494, 1495, + /* 300 */ 1517, 1500, 1519, 1474, 1550, 1543, 1548, 1556, 1565, 1566, + /* 310 */ 1518, 1523, 1542, 1544, 1525, 1545, 1513, 1553, 1552, 1604, + /* 320 */ 1508, 1510, 1608, 1609, 1520, 1528, 1612, 1540, 1559, 1560, + /* 330 */ 1592, 1591, 1595, 1596, 1597, 1629, 1638, 1594, 1569, 1570, + /* 340 */ 1600, 1568, 1610, 1601, 1611, 1603, 1643, 1651, 1562, 1571, + /* 350 */ 1655, 1659, 1640, 1663, 1666, 1664, 1667, 1641, 1650, 1652, + /* 360 */ 1653, 1647, 1656, 1657, 1658, 1668, 1672, 1681, 1649, 1682, + /* 370 */ 1683, 1573, 1582, 1607, 1615, 1685, 1702, 1586, 1587, 1642, + /* 380 */ 1646, 1673, 1675, 1636, 1714, 1637, 1677, 1674, 1678, 1694, + /* 390 */ 1719, 1734, 1735, 1746, 1747, 1750, 1633, 1661, 1686, 1738, + /* 400 */ 1728, 1733, 1736, 1737, 1740, 1726, 1730, 1742, 1743, 1748, + /* 410 */ 1753, }; static const YYACTIONTYPE yy_default[] = { - /* 0 */ 1647, 1647, 1647, 1475, 1240, 1351, 1240, 1240, 1240, 1475, - /* 10 */ 1475, 1475, 1240, 1381, 1381, 1528, 1273, 1240, 1240, 1240, - /* 20 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1474, 1240, 1240, - /* 30 */ 1240, 1240, 1563, 1563, 1240, 1240, 1240, 1240, 1240, 1240, - /* 40 */ 1240, 1240, 1390, 1240, 1397, 1240, 1240, 1240, 1240, 1240, - /* 50 */ 1476, 1477, 1240, 1240, 1240, 1527, 1529, 1492, 1404, 1403, - /* 60 */ 1402, 1401, 1510, 1369, 1395, 1388, 1392, 1470, 1471, 1469, - /* 70 */ 1473, 1477, 1476, 1240, 1391, 1438, 1454, 1437, 1240, 1240, - /* 80 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 90 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 100 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 110 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 120 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 130 */ 1446, 1453, 1452, 1451, 1460, 1450, 1447, 1440, 1439, 1441, - /* 140 */ 1442, 1240, 1240, 1264, 1240, 1240, 1261, 1315, 1240, 1240, - /* 150 */ 1240, 1240, 1240, 1547, 1546, 1240, 1443, 1240, 1273, 1432, - /* 160 */ 1431, 1457, 1444, 1456, 1455, 1535, 1599, 1598, 1493, 1240, - /* 170 */ 1240, 1240, 1240, 1240, 1240, 1563, 1240, 1240, 1240, 1240, - /* 180 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 190 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1371, - /* 200 */ 1563, 1563, 1240, 1273, 1563, 1563, 1372, 1372, 1269, 1269, - /* 210 */ 1375, 1240, 1542, 1342, 1342, 1342, 1342, 1351, 1342, 1240, - /* 220 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 230 */ 1240, 1240, 1240, 1240, 1532, 1530, 1240, 1240, 1240, 1240, - /* 240 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 250 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 260 */ 1240, 1240, 1240, 1347, 1240, 1240, 1240, 1240, 1240, 1240, - /* 270 */ 1240, 1240, 1240, 1240, 1240, 1592, 1240, 1505, 1329, 1347, - /* 280 */ 1347, 1347, 1347, 1349, 1330, 1328, 1341, 1274, 1247, 1639, - /* 290 */ 1407, 1396, 1348, 1396, 1636, 1394, 1407, 1407, 1394, 1407, - /* 300 */ 1348, 1636, 1290, 1615, 1285, 1381, 1381, 1381, 1371, 1371, - /* 310 */ 1371, 1371, 1375, 1375, 1472, 1348, 1341, 1240, 1639, 1639, - /* 320 */ 1357, 1357, 1638, 1638, 1357, 1493, 1623, 1416, 1318, 1324, - /* 330 */ 1324, 1324, 1324, 1357, 1258, 1394, 1623, 1623, 1394, 1416, - /* 340 */ 1318, 1394, 1318, 1394, 1357, 1258, 1509, 1633, 1357, 1258, - /* 350 */ 1483, 1357, 1258, 1357, 1258, 1483, 1316, 1316, 1316, 1305, - /* 360 */ 1240, 1240, 1483, 1316, 1290, 1316, 1305, 1316, 1316, 1581, - /* 370 */ 1240, 1487, 1487, 1483, 1357, 1573, 1573, 1384, 1384, 1389, - /* 380 */ 1375, 1478, 1357, 1240, 1389, 1387, 1385, 1394, 1308, 1595, - /* 390 */ 1595, 1591, 1591, 1591, 1644, 1644, 1542, 1608, 1273, 1273, - /* 400 */ 1273, 1273, 1608, 1292, 1292, 1274, 1274, 1273, 1608, 1240, - /* 410 */ 1240, 1240, 1240, 1240, 1240, 1603, 1240, 1537, 1494, 1361, - /* 420 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 430 */ 1240, 1240, 1240, 1240, 1548, 1240, 1240, 1240, 1240, 1240, - /* 440 */ 1240, 1240, 1240, 1240, 1240, 1421, 1240, 1243, 1539, 1240, - /* 450 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1398, 1399, 1362, - /* 460 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1413, 1240, 1240, - /* 470 */ 1240, 1408, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 480 */ 1635, 1240, 1240, 1240, 1240, 1240, 1240, 1508, 1507, 1240, - /* 490 */ 1240, 1359, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 500 */ 1240, 1240, 1240, 1240, 1240, 1288, 1240, 1240, 1240, 1240, - /* 510 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 520 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1386, - /* 530 */ 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 540 */ 1240, 1240, 1240, 1240, 1578, 1376, 1240, 1240, 1240, 1240, - /* 550 */ 1626, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, 1240, - /* 560 */ 1240, 1240, 1240, 1240, 1240, 1619, 1332, 1423, 1240, 1422, - /* 570 */ 1426, 1262, 1240, 1252, 1240, 1240, + /* 0 */ 1648, 1648, 1648, 1478, 1243, 1354, 1243, 1243, 1243, 1478, + /* 10 */ 1478, 1478, 1243, 1384, 1384, 1531, 1276, 1243, 1243, 1243, + /* 20 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1477, 1243, + /* 30 */ 1243, 1243, 1243, 1564, 1564, 1243, 1243, 1243, 1243, 1243, + /* 40 */ 1243, 1243, 1243, 1393, 1243, 1400, 1243, 1243, 1243, 1243, + /* 50 */ 1243, 1479, 1480, 1243, 1243, 1243, 1530, 1532, 1495, 1407, + /* 60 */ 1406, 1405, 1404, 1513, 1372, 1398, 1391, 1395, 1474, 1475, + /* 70 */ 1473, 1626, 1480, 1479, 1243, 1394, 1442, 1458, 1441, 1243, + /* 80 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 90 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 100 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 110 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 120 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 130 */ 1243, 1450, 1457, 1456, 1455, 1464, 1454, 1451, 1444, 1443, + /* 140 */ 1445, 1446, 1243, 1243, 1267, 1243, 1243, 1264, 1318, 1243, + /* 150 */ 1243, 1243, 1243, 1243, 1550, 1549, 1243, 1447, 1243, 1276, + /* 160 */ 1435, 1434, 1433, 1461, 1448, 1460, 1459, 1538, 1600, 1599, + /* 170 */ 1496, 1243, 1243, 1243, 1243, 1243, 1243, 1564, 1243, 1243, + /* 180 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 190 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 200 */ 1243, 1374, 1564, 1564, 1243, 1276, 1564, 1564, 1375, 1375, + /* 210 */ 1272, 1272, 1378, 1243, 1545, 1345, 1345, 1345, 1345, 1354, + /* 220 */ 1345, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 230 */ 1243, 1243, 1243, 1243, 1243, 1243, 1535, 1533, 1243, 1243, + /* 240 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 250 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 260 */ 1243, 1243, 1243, 1243, 1243, 1350, 1243, 1243, 1243, 1243, + /* 270 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1593, 1243, 1508, + /* 280 */ 1332, 1350, 1350, 1350, 1350, 1352, 1333, 1331, 1344, 1277, + /* 290 */ 1250, 1640, 1410, 1399, 1351, 1399, 1637, 1397, 1410, 1410, + /* 300 */ 1397, 1410, 1351, 1637, 1293, 1615, 1288, 1384, 1384, 1384, + /* 310 */ 1374, 1374, 1374, 1374, 1378, 1378, 1476, 1351, 1344, 1243, + /* 320 */ 1640, 1640, 1360, 1360, 1639, 1639, 1360, 1496, 1623, 1419, + /* 330 */ 1321, 1327, 1327, 1327, 1327, 1360, 1261, 1397, 1623, 1623, + /* 340 */ 1397, 1419, 1321, 1397, 1321, 1397, 1360, 1261, 1512, 1634, + /* 350 */ 1360, 1261, 1486, 1360, 1261, 1360, 1261, 1486, 1319, 1319, + /* 360 */ 1319, 1308, 1243, 1243, 1486, 1319, 1293, 1319, 1308, 1319, + /* 370 */ 1319, 1582, 1243, 1490, 1490, 1486, 1360, 1574, 1574, 1387, + /* 380 */ 1387, 1392, 1378, 1481, 1360, 1243, 1392, 1390, 1388, 1397, + /* 390 */ 1311, 1596, 1596, 1592, 1592, 1592, 1645, 1645, 1545, 1608, + /* 400 */ 1276, 1276, 1276, 1276, 1608, 1295, 1295, 1277, 1277, 1276, + /* 410 */ 1608, 1243, 1243, 1243, 1243, 1243, 1243, 1603, 1243, 1540, + /* 420 */ 1497, 1364, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 430 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1551, 1243, + /* 440 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1424, + /* 450 */ 1243, 1246, 1542, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 460 */ 1243, 1401, 1402, 1365, 1243, 1243, 1243, 1243, 1243, 1243, + /* 470 */ 1243, 1416, 1243, 1243, 1243, 1411, 1243, 1243, 1243, 1243, + /* 480 */ 1243, 1243, 1243, 1243, 1636, 1243, 1243, 1243, 1243, 1243, + /* 490 */ 1243, 1511, 1510, 1243, 1243, 1362, 1243, 1243, 1243, 1243, + /* 500 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1291, + /* 510 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 520 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, + /* 530 */ 1243, 1243, 1243, 1389, 1243, 1243, 1243, 1243, 1243, 1243, + /* 540 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1579, 1379, + /* 550 */ 1243, 1243, 1243, 1243, 1627, 1243, 1243, 1243, 1243, 1243, + /* 560 */ 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1243, 1619, + /* 570 */ 1335, 1425, 1243, 1428, 1265, 1243, 1255, 1243, 1243, }; /********** End of lemon-generated parsing tables *****************************/ @@ -168807,59 +172889,59 @@ static const char *const yyRuleName[] = { /* 175 */ "idlist ::= idlist COMMA nm", /* 176 */ "idlist ::= nm", /* 177 */ "expr ::= LP expr RP", - /* 178 */ "expr ::= ID|INDEXED", - /* 179 */ "expr ::= JOIN_KW", - /* 180 */ "expr ::= nm DOT nm", - /* 181 */ "expr ::= nm DOT nm DOT nm", - /* 182 */ "term ::= NULL|FLOAT|BLOB", - /* 183 */ "term ::= STRING", - /* 184 */ "term ::= INTEGER", - /* 185 */ "expr ::= VARIABLE", - /* 186 */ "expr ::= expr COLLATE ID|STRING", - /* 187 */ "expr ::= CAST LP expr AS typetoken RP", - /* 188 */ "expr ::= ID|INDEXED LP distinct exprlist RP", - /* 189 */ "expr ::= ID|INDEXED LP STAR RP", - /* 190 */ "expr ::= ID|INDEXED LP distinct exprlist RP filter_over", - /* 191 */ "expr ::= ID|INDEXED LP STAR RP filter_over", - /* 192 */ "term ::= CTIME_KW", - /* 193 */ "expr ::= LP nexprlist COMMA expr RP", - /* 194 */ "expr ::= expr AND expr", - /* 195 */ "expr ::= expr OR expr", - /* 196 */ "expr ::= expr LT|GT|GE|LE expr", - /* 197 */ "expr ::= expr EQ|NE expr", - /* 198 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", - /* 199 */ "expr ::= expr PLUS|MINUS expr", - /* 200 */ "expr ::= expr STAR|SLASH|REM expr", - /* 201 */ "expr ::= expr CONCAT expr", - /* 202 */ "likeop ::= NOT LIKE_KW|MATCH", - /* 203 */ "expr ::= expr likeop expr", - /* 204 */ "expr ::= expr likeop expr ESCAPE expr", - /* 205 */ "expr ::= expr ISNULL|NOTNULL", - /* 206 */ "expr ::= expr NOT NULL", - /* 207 */ "expr ::= expr IS expr", - /* 208 */ "expr ::= expr IS NOT expr", - /* 209 */ "expr ::= expr IS NOT DISTINCT FROM expr", - /* 210 */ "expr ::= expr IS DISTINCT FROM expr", - /* 211 */ "expr ::= NOT expr", - /* 212 */ "expr ::= BITNOT expr", - /* 213 */ "expr ::= PLUS|MINUS expr", - /* 214 */ "expr ::= expr PTR expr", - /* 215 */ "between_op ::= BETWEEN", - /* 216 */ "between_op ::= NOT BETWEEN", - /* 217 */ "expr ::= expr between_op expr AND expr", - /* 218 */ "in_op ::= IN", - /* 219 */ "in_op ::= NOT IN", - /* 220 */ "expr ::= expr in_op LP exprlist RP", - /* 221 */ "expr ::= LP select RP", - /* 222 */ "expr ::= expr in_op LP select RP", - /* 223 */ "expr ::= expr in_op nm dbnm paren_exprlist", - /* 224 */ "expr ::= EXISTS LP select RP", - /* 225 */ "expr ::= CASE case_operand case_exprlist case_else END", - /* 226 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", - /* 227 */ "case_exprlist ::= WHEN expr THEN expr", - /* 228 */ "case_else ::= ELSE expr", - /* 229 */ "case_else ::=", - /* 230 */ "case_operand ::= expr", + /* 178 */ "expr ::= ID|INDEXED|JOIN_KW", + /* 179 */ "expr ::= nm DOT nm", + /* 180 */ "expr ::= nm DOT nm DOT nm", + /* 181 */ "term ::= NULL|FLOAT|BLOB", + /* 182 */ "term ::= STRING", + /* 183 */ "term ::= INTEGER", + /* 184 */ "expr ::= VARIABLE", + /* 185 */ "expr ::= expr COLLATE ID|STRING", + /* 186 */ "expr ::= CAST LP expr AS typetoken RP", + /* 187 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP", + /* 188 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP", + /* 189 */ "expr ::= ID|INDEXED|JOIN_KW LP STAR RP", + /* 190 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over", + /* 191 */ "expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP filter_over", + /* 192 */ "expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over", + /* 193 */ "term ::= CTIME_KW", + /* 194 */ "expr ::= LP nexprlist COMMA expr RP", + /* 195 */ "expr ::= expr AND expr", + /* 196 */ "expr ::= expr OR expr", + /* 197 */ "expr ::= expr LT|GT|GE|LE expr", + /* 198 */ "expr ::= expr EQ|NE expr", + /* 199 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", + /* 200 */ "expr ::= expr PLUS|MINUS expr", + /* 201 */ "expr ::= expr STAR|SLASH|REM expr", + /* 202 */ "expr ::= expr CONCAT expr", + /* 203 */ "likeop ::= NOT LIKE_KW|MATCH", + /* 204 */ "expr ::= expr likeop expr", + /* 205 */ "expr ::= expr likeop expr ESCAPE expr", + /* 206 */ "expr ::= expr ISNULL|NOTNULL", + /* 207 */ "expr ::= expr NOT NULL", + /* 208 */ "expr ::= expr IS expr", + /* 209 */ "expr ::= expr IS NOT expr", + /* 210 */ "expr ::= expr IS NOT DISTINCT FROM expr", + /* 211 */ "expr ::= expr IS DISTINCT FROM expr", + /* 212 */ "expr ::= NOT expr", + /* 213 */ "expr ::= BITNOT expr", + /* 214 */ "expr ::= PLUS|MINUS expr", + /* 215 */ "expr ::= expr PTR expr", + /* 216 */ "between_op ::= BETWEEN", + /* 217 */ "between_op ::= NOT BETWEEN", + /* 218 */ "expr ::= expr between_op expr AND expr", + /* 219 */ "in_op ::= IN", + /* 220 */ "in_op ::= NOT IN", + /* 221 */ "expr ::= expr in_op LP exprlist RP", + /* 222 */ "expr ::= LP select RP", + /* 223 */ "expr ::= expr in_op LP select RP", + /* 224 */ "expr ::= expr in_op nm dbnm paren_exprlist", + /* 225 */ "expr ::= EXISTS LP select RP", + /* 226 */ "expr ::= CASE case_operand case_exprlist case_else END", + /* 227 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", + /* 228 */ "case_exprlist ::= WHEN expr THEN expr", + /* 229 */ "case_else ::= ELSE expr", + /* 230 */ "case_else ::=", /* 231 */ "case_operand ::=", /* 232 */ "exprlist ::=", /* 233 */ "nexprlist ::= nexprlist COMMA expr", @@ -168940,100 +173022,100 @@ static const char *const yyRuleName[] = { /* 308 */ "wqitem ::= nm eidlist_opt wqas LP select RP", /* 309 */ "wqlist ::= wqitem", /* 310 */ "wqlist ::= wqlist COMMA wqitem", - /* 311 */ "windowdefn_list ::= windowdefn", - /* 312 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", - /* 313 */ "windowdefn ::= nm AS LP window RP", - /* 314 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", - /* 315 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", - /* 316 */ "window ::= ORDER BY sortlist frame_opt", - /* 317 */ "window ::= nm ORDER BY sortlist frame_opt", - /* 318 */ "window ::= frame_opt", - /* 319 */ "window ::= nm frame_opt", - /* 320 */ "frame_opt ::=", - /* 321 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", - /* 322 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", - /* 323 */ "range_or_rows ::= RANGE|ROWS|GROUPS", - /* 324 */ "frame_bound_s ::= frame_bound", - /* 325 */ "frame_bound_s ::= UNBOUNDED PRECEDING", - /* 326 */ "frame_bound_e ::= frame_bound", - /* 327 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", - /* 328 */ "frame_bound ::= expr PRECEDING|FOLLOWING", - /* 329 */ "frame_bound ::= CURRENT ROW", - /* 330 */ "frame_exclude_opt ::=", - /* 331 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", - /* 332 */ "frame_exclude ::= NO OTHERS", - /* 333 */ "frame_exclude ::= CURRENT ROW", - /* 334 */ "frame_exclude ::= GROUP|TIES", - /* 335 */ "window_clause ::= WINDOW windowdefn_list", - /* 336 */ "filter_over ::= filter_clause over_clause", - /* 337 */ "filter_over ::= over_clause", - /* 338 */ "filter_over ::= filter_clause", - /* 339 */ "over_clause ::= OVER LP window RP", - /* 340 */ "over_clause ::= OVER nm", - /* 341 */ "filter_clause ::= FILTER LP WHERE expr RP", - /* 342 */ "input ::= cmdlist", - /* 343 */ "cmdlist ::= cmdlist ecmd", - /* 344 */ "cmdlist ::= ecmd", - /* 345 */ "ecmd ::= SEMI", - /* 346 */ "ecmd ::= cmdx SEMI", - /* 347 */ "ecmd ::= explain cmdx SEMI", - /* 348 */ "trans_opt ::=", - /* 349 */ "trans_opt ::= TRANSACTION", - /* 350 */ "trans_opt ::= TRANSACTION nm", - /* 351 */ "savepoint_opt ::= SAVEPOINT", - /* 352 */ "savepoint_opt ::=", - /* 353 */ "cmd ::= create_table create_table_args", - /* 354 */ "table_option_set ::= table_option", - /* 355 */ "columnlist ::= columnlist COMMA columnname carglist", - /* 356 */ "columnlist ::= columnname carglist", - /* 357 */ "nm ::= ID|INDEXED", - /* 358 */ "nm ::= STRING", - /* 359 */ "nm ::= JOIN_KW", - /* 360 */ "typetoken ::= typename", - /* 361 */ "typename ::= ID|STRING", - /* 362 */ "signed ::= plus_num", - /* 363 */ "signed ::= minus_num", - /* 364 */ "carglist ::= carglist ccons", - /* 365 */ "carglist ::=", - /* 366 */ "ccons ::= NULL onconf", - /* 367 */ "ccons ::= GENERATED ALWAYS AS generated", - /* 368 */ "ccons ::= AS generated", - /* 369 */ "conslist_opt ::= COMMA conslist", - /* 370 */ "conslist ::= conslist tconscomma tcons", - /* 371 */ "conslist ::= tcons", - /* 372 */ "tconscomma ::=", - /* 373 */ "defer_subclause_opt ::= defer_subclause", - /* 374 */ "resolvetype ::= raisetype", - /* 375 */ "selectnowith ::= oneselect", - /* 376 */ "oneselect ::= values", - /* 377 */ "sclp ::= selcollist COMMA", - /* 378 */ "as ::= ID|STRING", - /* 379 */ "indexed_opt ::= indexed_by", - /* 380 */ "returning ::=", - /* 381 */ "expr ::= term", - /* 382 */ "likeop ::= LIKE_KW|MATCH", - /* 383 */ "exprlist ::= nexprlist", - /* 384 */ "nmnum ::= plus_num", - /* 385 */ "nmnum ::= nm", - /* 386 */ "nmnum ::= ON", - /* 387 */ "nmnum ::= DELETE", - /* 388 */ "nmnum ::= DEFAULT", - /* 389 */ "plus_num ::= INTEGER|FLOAT", - /* 390 */ "foreach_clause ::=", - /* 391 */ "foreach_clause ::= FOR EACH ROW", - /* 392 */ "trnm ::= nm", - /* 393 */ "tridxby ::=", - /* 394 */ "database_kw_opt ::= DATABASE", - /* 395 */ "database_kw_opt ::=", - /* 396 */ "kwcolumn_opt ::=", - /* 397 */ "kwcolumn_opt ::= COLUMNKW", - /* 398 */ "vtabarglist ::= vtabarg", - /* 399 */ "vtabarglist ::= vtabarglist COMMA vtabarg", - /* 400 */ "vtabarg ::= vtabarg vtabargtoken", - /* 401 */ "anylist ::=", - /* 402 */ "anylist ::= anylist LP anylist RP", - /* 403 */ "anylist ::= anylist ANY", - /* 404 */ "with ::=", + /* 311 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", + /* 312 */ "windowdefn ::= nm AS LP window RP", + /* 313 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", + /* 314 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", + /* 315 */ "window ::= ORDER BY sortlist frame_opt", + /* 316 */ "window ::= nm ORDER BY sortlist frame_opt", + /* 317 */ "window ::= nm frame_opt", + /* 318 */ "frame_opt ::=", + /* 319 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", + /* 320 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", + /* 321 */ "range_or_rows ::= RANGE|ROWS|GROUPS", + /* 322 */ "frame_bound_s ::= frame_bound", + /* 323 */ "frame_bound_s ::= UNBOUNDED PRECEDING", + /* 324 */ "frame_bound_e ::= frame_bound", + /* 325 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", + /* 326 */ "frame_bound ::= expr PRECEDING|FOLLOWING", + /* 327 */ "frame_bound ::= CURRENT ROW", + /* 328 */ "frame_exclude_opt ::=", + /* 329 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", + /* 330 */ "frame_exclude ::= NO OTHERS", + /* 331 */ "frame_exclude ::= CURRENT ROW", + /* 332 */ "frame_exclude ::= GROUP|TIES", + /* 333 */ "window_clause ::= WINDOW windowdefn_list", + /* 334 */ "filter_over ::= filter_clause over_clause", + /* 335 */ "filter_over ::= over_clause", + /* 336 */ "filter_over ::= filter_clause", + /* 337 */ "over_clause ::= OVER LP window RP", + /* 338 */ "over_clause ::= OVER nm", + /* 339 */ "filter_clause ::= FILTER LP WHERE expr RP", + /* 340 */ "input ::= cmdlist", + /* 341 */ "cmdlist ::= cmdlist ecmd", + /* 342 */ "cmdlist ::= ecmd", + /* 343 */ "ecmd ::= SEMI", + /* 344 */ "ecmd ::= cmdx SEMI", + /* 345 */ "ecmd ::= explain cmdx SEMI", + /* 346 */ "trans_opt ::=", + /* 347 */ "trans_opt ::= TRANSACTION", + /* 348 */ "trans_opt ::= TRANSACTION nm", + /* 349 */ "savepoint_opt ::= SAVEPOINT", + /* 350 */ "savepoint_opt ::=", + /* 351 */ "cmd ::= create_table create_table_args", + /* 352 */ "table_option_set ::= table_option", + /* 353 */ "columnlist ::= columnlist COMMA columnname carglist", + /* 354 */ "columnlist ::= columnname carglist", + /* 355 */ "nm ::= ID|INDEXED|JOIN_KW", + /* 356 */ "nm ::= STRING", + /* 357 */ "typetoken ::= typename", + /* 358 */ "typename ::= ID|STRING", + /* 359 */ "signed ::= plus_num", + /* 360 */ "signed ::= minus_num", + /* 361 */ "carglist ::= carglist ccons", + /* 362 */ "carglist ::=", + /* 363 */ "ccons ::= NULL onconf", + /* 364 */ "ccons ::= GENERATED ALWAYS AS generated", + /* 365 */ "ccons ::= AS generated", + /* 366 */ "conslist_opt ::= COMMA conslist", + /* 367 */ "conslist ::= conslist tconscomma tcons", + /* 368 */ "conslist ::= tcons", + /* 369 */ "tconscomma ::=", + /* 370 */ "defer_subclause_opt ::= defer_subclause", + /* 371 */ "resolvetype ::= raisetype", + /* 372 */ "selectnowith ::= oneselect", + /* 373 */ "oneselect ::= values", + /* 374 */ "sclp ::= selcollist COMMA", + /* 375 */ "as ::= ID|STRING", + /* 376 */ "indexed_opt ::= indexed_by", + /* 377 */ "returning ::=", + /* 378 */ "expr ::= term", + /* 379 */ "likeop ::= LIKE_KW|MATCH", + /* 380 */ "case_operand ::= expr", + /* 381 */ "exprlist ::= nexprlist", + /* 382 */ "nmnum ::= plus_num", + /* 383 */ "nmnum ::= nm", + /* 384 */ "nmnum ::= ON", + /* 385 */ "nmnum ::= DELETE", + /* 386 */ "nmnum ::= DEFAULT", + /* 387 */ "plus_num ::= INTEGER|FLOAT", + /* 388 */ "foreach_clause ::=", + /* 389 */ "foreach_clause ::= FOR EACH ROW", + /* 390 */ "trnm ::= nm", + /* 391 */ "tridxby ::=", + /* 392 */ "database_kw_opt ::= DATABASE", + /* 393 */ "database_kw_opt ::=", + /* 394 */ "kwcolumn_opt ::=", + /* 395 */ "kwcolumn_opt ::= COLUMNKW", + /* 396 */ "vtabarglist ::= vtabarg", + /* 397 */ "vtabarglist ::= vtabarglist COMMA vtabarg", + /* 398 */ "vtabarg ::= vtabarg vtabargtoken", + /* 399 */ "anylist ::=", + /* 400 */ "anylist ::= anylist LP anylist RP", + /* 401 */ "anylist ::= anylist ANY", + /* 402 */ "with ::=", + /* 403 */ "windowdefn_list ::= windowdefn", + /* 404 */ "window ::= frame_opt", }; #endif /* NDEBUG */ @@ -169718,59 +173800,59 @@ static const YYCODETYPE yyRuleInfoLhs[] = { 263, /* (175) idlist ::= idlist COMMA nm */ 263, /* (176) idlist ::= nm */ 217, /* (177) expr ::= LP expr RP */ - 217, /* (178) expr ::= ID|INDEXED */ - 217, /* (179) expr ::= JOIN_KW */ - 217, /* (180) expr ::= nm DOT nm */ - 217, /* (181) expr ::= nm DOT nm DOT nm */ - 216, /* (182) term ::= NULL|FLOAT|BLOB */ - 216, /* (183) term ::= STRING */ - 216, /* (184) term ::= INTEGER */ - 217, /* (185) expr ::= VARIABLE */ - 217, /* (186) expr ::= expr COLLATE ID|STRING */ - 217, /* (187) expr ::= CAST LP expr AS typetoken RP */ - 217, /* (188) expr ::= ID|INDEXED LP distinct exprlist RP */ - 217, /* (189) expr ::= ID|INDEXED LP STAR RP */ - 217, /* (190) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - 217, /* (191) expr ::= ID|INDEXED LP STAR RP filter_over */ - 216, /* (192) term ::= CTIME_KW */ - 217, /* (193) expr ::= LP nexprlist COMMA expr RP */ - 217, /* (194) expr ::= expr AND expr */ - 217, /* (195) expr ::= expr OR expr */ - 217, /* (196) expr ::= expr LT|GT|GE|LE expr */ - 217, /* (197) expr ::= expr EQ|NE expr */ - 217, /* (198) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - 217, /* (199) expr ::= expr PLUS|MINUS expr */ - 217, /* (200) expr ::= expr STAR|SLASH|REM expr */ - 217, /* (201) expr ::= expr CONCAT expr */ - 274, /* (202) likeop ::= NOT LIKE_KW|MATCH */ - 217, /* (203) expr ::= expr likeop expr */ - 217, /* (204) expr ::= expr likeop expr ESCAPE expr */ - 217, /* (205) expr ::= expr ISNULL|NOTNULL */ - 217, /* (206) expr ::= expr NOT NULL */ - 217, /* (207) expr ::= expr IS expr */ - 217, /* (208) expr ::= expr IS NOT expr */ - 217, /* (209) expr ::= expr IS NOT DISTINCT FROM expr */ - 217, /* (210) expr ::= expr IS DISTINCT FROM expr */ - 217, /* (211) expr ::= NOT expr */ - 217, /* (212) expr ::= BITNOT expr */ - 217, /* (213) expr ::= PLUS|MINUS expr */ - 217, /* (214) expr ::= expr PTR expr */ - 275, /* (215) between_op ::= BETWEEN */ - 275, /* (216) between_op ::= NOT BETWEEN */ - 217, /* (217) expr ::= expr between_op expr AND expr */ - 276, /* (218) in_op ::= IN */ - 276, /* (219) in_op ::= NOT IN */ - 217, /* (220) expr ::= expr in_op LP exprlist RP */ - 217, /* (221) expr ::= LP select RP */ - 217, /* (222) expr ::= expr in_op LP select RP */ - 217, /* (223) expr ::= expr in_op nm dbnm paren_exprlist */ - 217, /* (224) expr ::= EXISTS LP select RP */ - 217, /* (225) expr ::= CASE case_operand case_exprlist case_else END */ - 279, /* (226) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - 279, /* (227) case_exprlist ::= WHEN expr THEN expr */ - 280, /* (228) case_else ::= ELSE expr */ - 280, /* (229) case_else ::= */ - 278, /* (230) case_operand ::= expr */ + 217, /* (178) expr ::= ID|INDEXED|JOIN_KW */ + 217, /* (179) expr ::= nm DOT nm */ + 217, /* (180) expr ::= nm DOT nm DOT nm */ + 216, /* (181) term ::= NULL|FLOAT|BLOB */ + 216, /* (182) term ::= STRING */ + 216, /* (183) term ::= INTEGER */ + 217, /* (184) expr ::= VARIABLE */ + 217, /* (185) expr ::= expr COLLATE ID|STRING */ + 217, /* (186) expr ::= CAST LP expr AS typetoken RP */ + 217, /* (187) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ + 217, /* (188) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP */ + 217, /* (189) expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ + 217, /* (190) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ + 217, /* (191) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP filter_over */ + 217, /* (192) expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ + 216, /* (193) term ::= CTIME_KW */ + 217, /* (194) expr ::= LP nexprlist COMMA expr RP */ + 217, /* (195) expr ::= expr AND expr */ + 217, /* (196) expr ::= expr OR expr */ + 217, /* (197) expr ::= expr LT|GT|GE|LE expr */ + 217, /* (198) expr ::= expr EQ|NE expr */ + 217, /* (199) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + 217, /* (200) expr ::= expr PLUS|MINUS expr */ + 217, /* (201) expr ::= expr STAR|SLASH|REM expr */ + 217, /* (202) expr ::= expr CONCAT expr */ + 274, /* (203) likeop ::= NOT LIKE_KW|MATCH */ + 217, /* (204) expr ::= expr likeop expr */ + 217, /* (205) expr ::= expr likeop expr ESCAPE expr */ + 217, /* (206) expr ::= expr ISNULL|NOTNULL */ + 217, /* (207) expr ::= expr NOT NULL */ + 217, /* (208) expr ::= expr IS expr */ + 217, /* (209) expr ::= expr IS NOT expr */ + 217, /* (210) expr ::= expr IS NOT DISTINCT FROM expr */ + 217, /* (211) expr ::= expr IS DISTINCT FROM expr */ + 217, /* (212) expr ::= NOT expr */ + 217, /* (213) expr ::= BITNOT expr */ + 217, /* (214) expr ::= PLUS|MINUS expr */ + 217, /* (215) expr ::= expr PTR expr */ + 275, /* (216) between_op ::= BETWEEN */ + 275, /* (217) between_op ::= NOT BETWEEN */ + 217, /* (218) expr ::= expr between_op expr AND expr */ + 276, /* (219) in_op ::= IN */ + 276, /* (220) in_op ::= NOT IN */ + 217, /* (221) expr ::= expr in_op LP exprlist RP */ + 217, /* (222) expr ::= LP select RP */ + 217, /* (223) expr ::= expr in_op LP select RP */ + 217, /* (224) expr ::= expr in_op nm dbnm paren_exprlist */ + 217, /* (225) expr ::= EXISTS LP select RP */ + 217, /* (226) expr ::= CASE case_operand case_exprlist case_else END */ + 279, /* (227) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + 279, /* (228) case_exprlist ::= WHEN expr THEN expr */ + 280, /* (229) case_else ::= ELSE expr */ + 280, /* (230) case_else ::= */ 278, /* (231) case_operand ::= */ 261, /* (232) exprlist ::= */ 253, /* (233) nexprlist ::= nexprlist COMMA expr */ @@ -169851,100 +173933,100 @@ static const YYCODETYPE yyRuleInfoLhs[] = { 304, /* (308) wqitem ::= nm eidlist_opt wqas LP select RP */ 241, /* (309) wqlist ::= wqitem */ 241, /* (310) wqlist ::= wqlist COMMA wqitem */ - 306, /* (311) windowdefn_list ::= windowdefn */ - 306, /* (312) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - 307, /* (313) windowdefn ::= nm AS LP window RP */ - 308, /* (314) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - 308, /* (315) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - 308, /* (316) window ::= ORDER BY sortlist frame_opt */ - 308, /* (317) window ::= nm ORDER BY sortlist frame_opt */ - 308, /* (318) window ::= frame_opt */ - 308, /* (319) window ::= nm frame_opt */ - 309, /* (320) frame_opt ::= */ - 309, /* (321) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - 309, /* (322) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - 313, /* (323) range_or_rows ::= RANGE|ROWS|GROUPS */ - 315, /* (324) frame_bound_s ::= frame_bound */ - 315, /* (325) frame_bound_s ::= UNBOUNDED PRECEDING */ - 316, /* (326) frame_bound_e ::= frame_bound */ - 316, /* (327) frame_bound_e ::= UNBOUNDED FOLLOWING */ - 314, /* (328) frame_bound ::= expr PRECEDING|FOLLOWING */ - 314, /* (329) frame_bound ::= CURRENT ROW */ - 317, /* (330) frame_exclude_opt ::= */ - 317, /* (331) frame_exclude_opt ::= EXCLUDE frame_exclude */ - 318, /* (332) frame_exclude ::= NO OTHERS */ - 318, /* (333) frame_exclude ::= CURRENT ROW */ - 318, /* (334) frame_exclude ::= GROUP|TIES */ - 251, /* (335) window_clause ::= WINDOW windowdefn_list */ - 273, /* (336) filter_over ::= filter_clause over_clause */ - 273, /* (337) filter_over ::= over_clause */ - 273, /* (338) filter_over ::= filter_clause */ - 312, /* (339) over_clause ::= OVER LP window RP */ - 312, /* (340) over_clause ::= OVER nm */ - 311, /* (341) filter_clause ::= FILTER LP WHERE expr RP */ - 185, /* (342) input ::= cmdlist */ - 186, /* (343) cmdlist ::= cmdlist ecmd */ - 186, /* (344) cmdlist ::= ecmd */ - 187, /* (345) ecmd ::= SEMI */ - 187, /* (346) ecmd ::= cmdx SEMI */ - 187, /* (347) ecmd ::= explain cmdx SEMI */ - 192, /* (348) trans_opt ::= */ - 192, /* (349) trans_opt ::= TRANSACTION */ - 192, /* (350) trans_opt ::= TRANSACTION nm */ - 194, /* (351) savepoint_opt ::= SAVEPOINT */ - 194, /* (352) savepoint_opt ::= */ - 190, /* (353) cmd ::= create_table create_table_args */ - 203, /* (354) table_option_set ::= table_option */ - 201, /* (355) columnlist ::= columnlist COMMA columnname carglist */ - 201, /* (356) columnlist ::= columnname carglist */ - 193, /* (357) nm ::= ID|INDEXED */ - 193, /* (358) nm ::= STRING */ - 193, /* (359) nm ::= JOIN_KW */ - 208, /* (360) typetoken ::= typename */ - 209, /* (361) typename ::= ID|STRING */ - 210, /* (362) signed ::= plus_num */ - 210, /* (363) signed ::= minus_num */ - 207, /* (364) carglist ::= carglist ccons */ - 207, /* (365) carglist ::= */ - 215, /* (366) ccons ::= NULL onconf */ - 215, /* (367) ccons ::= GENERATED ALWAYS AS generated */ - 215, /* (368) ccons ::= AS generated */ - 202, /* (369) conslist_opt ::= COMMA conslist */ - 228, /* (370) conslist ::= conslist tconscomma tcons */ - 228, /* (371) conslist ::= tcons */ - 229, /* (372) tconscomma ::= */ - 233, /* (373) defer_subclause_opt ::= defer_subclause */ - 235, /* (374) resolvetype ::= raisetype */ - 239, /* (375) selectnowith ::= oneselect */ - 240, /* (376) oneselect ::= values */ - 254, /* (377) sclp ::= selcollist COMMA */ - 255, /* (378) as ::= ID|STRING */ - 264, /* (379) indexed_opt ::= indexed_by */ - 272, /* (380) returning ::= */ - 217, /* (381) expr ::= term */ - 274, /* (382) likeop ::= LIKE_KW|MATCH */ - 261, /* (383) exprlist ::= nexprlist */ - 284, /* (384) nmnum ::= plus_num */ - 284, /* (385) nmnum ::= nm */ - 284, /* (386) nmnum ::= ON */ - 284, /* (387) nmnum ::= DELETE */ - 284, /* (388) nmnum ::= DEFAULT */ - 211, /* (389) plus_num ::= INTEGER|FLOAT */ - 289, /* (390) foreach_clause ::= */ - 289, /* (391) foreach_clause ::= FOR EACH ROW */ - 292, /* (392) trnm ::= nm */ - 293, /* (393) tridxby ::= */ - 294, /* (394) database_kw_opt ::= DATABASE */ - 294, /* (395) database_kw_opt ::= */ - 297, /* (396) kwcolumn_opt ::= */ - 297, /* (397) kwcolumn_opt ::= COLUMNKW */ - 299, /* (398) vtabarglist ::= vtabarg */ - 299, /* (399) vtabarglist ::= vtabarglist COMMA vtabarg */ - 300, /* (400) vtabarg ::= vtabarg vtabargtoken */ - 303, /* (401) anylist ::= */ - 303, /* (402) anylist ::= anylist LP anylist RP */ - 303, /* (403) anylist ::= anylist ANY */ - 266, /* (404) with ::= */ + 306, /* (311) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + 307, /* (312) windowdefn ::= nm AS LP window RP */ + 308, /* (313) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (314) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (315) window ::= ORDER BY sortlist frame_opt */ + 308, /* (316) window ::= nm ORDER BY sortlist frame_opt */ + 308, /* (317) window ::= nm frame_opt */ + 309, /* (318) frame_opt ::= */ + 309, /* (319) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + 309, /* (320) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + 313, /* (321) range_or_rows ::= RANGE|ROWS|GROUPS */ + 315, /* (322) frame_bound_s ::= frame_bound */ + 315, /* (323) frame_bound_s ::= UNBOUNDED PRECEDING */ + 316, /* (324) frame_bound_e ::= frame_bound */ + 316, /* (325) frame_bound_e ::= UNBOUNDED FOLLOWING */ + 314, /* (326) frame_bound ::= expr PRECEDING|FOLLOWING */ + 314, /* (327) frame_bound ::= CURRENT ROW */ + 317, /* (328) frame_exclude_opt ::= */ + 317, /* (329) frame_exclude_opt ::= EXCLUDE frame_exclude */ + 318, /* (330) frame_exclude ::= NO OTHERS */ + 318, /* (331) frame_exclude ::= CURRENT ROW */ + 318, /* (332) frame_exclude ::= GROUP|TIES */ + 251, /* (333) window_clause ::= WINDOW windowdefn_list */ + 273, /* (334) filter_over ::= filter_clause over_clause */ + 273, /* (335) filter_over ::= over_clause */ + 273, /* (336) filter_over ::= filter_clause */ + 312, /* (337) over_clause ::= OVER LP window RP */ + 312, /* (338) over_clause ::= OVER nm */ + 311, /* (339) filter_clause ::= FILTER LP WHERE expr RP */ + 185, /* (340) input ::= cmdlist */ + 186, /* (341) cmdlist ::= cmdlist ecmd */ + 186, /* (342) cmdlist ::= ecmd */ + 187, /* (343) ecmd ::= SEMI */ + 187, /* (344) ecmd ::= cmdx SEMI */ + 187, /* (345) ecmd ::= explain cmdx SEMI */ + 192, /* (346) trans_opt ::= */ + 192, /* (347) trans_opt ::= TRANSACTION */ + 192, /* (348) trans_opt ::= TRANSACTION nm */ + 194, /* (349) savepoint_opt ::= SAVEPOINT */ + 194, /* (350) savepoint_opt ::= */ + 190, /* (351) cmd ::= create_table create_table_args */ + 203, /* (352) table_option_set ::= table_option */ + 201, /* (353) columnlist ::= columnlist COMMA columnname carglist */ + 201, /* (354) columnlist ::= columnname carglist */ + 193, /* (355) nm ::= ID|INDEXED|JOIN_KW */ + 193, /* (356) nm ::= STRING */ + 208, /* (357) typetoken ::= typename */ + 209, /* (358) typename ::= ID|STRING */ + 210, /* (359) signed ::= plus_num */ + 210, /* (360) signed ::= minus_num */ + 207, /* (361) carglist ::= carglist ccons */ + 207, /* (362) carglist ::= */ + 215, /* (363) ccons ::= NULL onconf */ + 215, /* (364) ccons ::= GENERATED ALWAYS AS generated */ + 215, /* (365) ccons ::= AS generated */ + 202, /* (366) conslist_opt ::= COMMA conslist */ + 228, /* (367) conslist ::= conslist tconscomma tcons */ + 228, /* (368) conslist ::= tcons */ + 229, /* (369) tconscomma ::= */ + 233, /* (370) defer_subclause_opt ::= defer_subclause */ + 235, /* (371) resolvetype ::= raisetype */ + 239, /* (372) selectnowith ::= oneselect */ + 240, /* (373) oneselect ::= values */ + 254, /* (374) sclp ::= selcollist COMMA */ + 255, /* (375) as ::= ID|STRING */ + 264, /* (376) indexed_opt ::= indexed_by */ + 272, /* (377) returning ::= */ + 217, /* (378) expr ::= term */ + 274, /* (379) likeop ::= LIKE_KW|MATCH */ + 278, /* (380) case_operand ::= expr */ + 261, /* (381) exprlist ::= nexprlist */ + 284, /* (382) nmnum ::= plus_num */ + 284, /* (383) nmnum ::= nm */ + 284, /* (384) nmnum ::= ON */ + 284, /* (385) nmnum ::= DELETE */ + 284, /* (386) nmnum ::= DEFAULT */ + 211, /* (387) plus_num ::= INTEGER|FLOAT */ + 289, /* (388) foreach_clause ::= */ + 289, /* (389) foreach_clause ::= FOR EACH ROW */ + 292, /* (390) trnm ::= nm */ + 293, /* (391) tridxby ::= */ + 294, /* (392) database_kw_opt ::= DATABASE */ + 294, /* (393) database_kw_opt ::= */ + 297, /* (394) kwcolumn_opt ::= */ + 297, /* (395) kwcolumn_opt ::= COLUMNKW */ + 299, /* (396) vtabarglist ::= vtabarg */ + 299, /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ + 300, /* (398) vtabarg ::= vtabarg vtabargtoken */ + 303, /* (399) anylist ::= */ + 303, /* (400) anylist ::= anylist LP anylist RP */ + 303, /* (401) anylist ::= anylist ANY */ + 266, /* (402) with ::= */ + 306, /* (403) windowdefn_list ::= windowdefn */ + 308, /* (404) window ::= frame_opt */ }; /* For rule J, yyRuleInfoNRhs[J] contains the negative of the number @@ -170128,59 +174210,59 @@ static const signed char yyRuleInfoNRhs[] = { -3, /* (175) idlist ::= idlist COMMA nm */ -1, /* (176) idlist ::= nm */ -3, /* (177) expr ::= LP expr RP */ - -1, /* (178) expr ::= ID|INDEXED */ - -1, /* (179) expr ::= JOIN_KW */ - -3, /* (180) expr ::= nm DOT nm */ - -5, /* (181) expr ::= nm DOT nm DOT nm */ - -1, /* (182) term ::= NULL|FLOAT|BLOB */ - -1, /* (183) term ::= STRING */ - -1, /* (184) term ::= INTEGER */ - -1, /* (185) expr ::= VARIABLE */ - -3, /* (186) expr ::= expr COLLATE ID|STRING */ - -6, /* (187) expr ::= CAST LP expr AS typetoken RP */ - -5, /* (188) expr ::= ID|INDEXED LP distinct exprlist RP */ - -4, /* (189) expr ::= ID|INDEXED LP STAR RP */ - -6, /* (190) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - -5, /* (191) expr ::= ID|INDEXED LP STAR RP filter_over */ - -1, /* (192) term ::= CTIME_KW */ - -5, /* (193) expr ::= LP nexprlist COMMA expr RP */ - -3, /* (194) expr ::= expr AND expr */ - -3, /* (195) expr ::= expr OR expr */ - -3, /* (196) expr ::= expr LT|GT|GE|LE expr */ - -3, /* (197) expr ::= expr EQ|NE expr */ - -3, /* (198) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - -3, /* (199) expr ::= expr PLUS|MINUS expr */ - -3, /* (200) expr ::= expr STAR|SLASH|REM expr */ - -3, /* (201) expr ::= expr CONCAT expr */ - -2, /* (202) likeop ::= NOT LIKE_KW|MATCH */ - -3, /* (203) expr ::= expr likeop expr */ - -5, /* (204) expr ::= expr likeop expr ESCAPE expr */ - -2, /* (205) expr ::= expr ISNULL|NOTNULL */ - -3, /* (206) expr ::= expr NOT NULL */ - -3, /* (207) expr ::= expr IS expr */ - -4, /* (208) expr ::= expr IS NOT expr */ - -6, /* (209) expr ::= expr IS NOT DISTINCT FROM expr */ - -5, /* (210) expr ::= expr IS DISTINCT FROM expr */ - -2, /* (211) expr ::= NOT expr */ - -2, /* (212) expr ::= BITNOT expr */ - -2, /* (213) expr ::= PLUS|MINUS expr */ - -3, /* (214) expr ::= expr PTR expr */ - -1, /* (215) between_op ::= BETWEEN */ - -2, /* (216) between_op ::= NOT BETWEEN */ - -5, /* (217) expr ::= expr between_op expr AND expr */ - -1, /* (218) in_op ::= IN */ - -2, /* (219) in_op ::= NOT IN */ - -5, /* (220) expr ::= expr in_op LP exprlist RP */ - -3, /* (221) expr ::= LP select RP */ - -5, /* (222) expr ::= expr in_op LP select RP */ - -5, /* (223) expr ::= expr in_op nm dbnm paren_exprlist */ - -4, /* (224) expr ::= EXISTS LP select RP */ - -5, /* (225) expr ::= CASE case_operand case_exprlist case_else END */ - -5, /* (226) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - -4, /* (227) case_exprlist ::= WHEN expr THEN expr */ - -2, /* (228) case_else ::= ELSE expr */ - 0, /* (229) case_else ::= */ - -1, /* (230) case_operand ::= expr */ + -1, /* (178) expr ::= ID|INDEXED|JOIN_KW */ + -3, /* (179) expr ::= nm DOT nm */ + -5, /* (180) expr ::= nm DOT nm DOT nm */ + -1, /* (181) term ::= NULL|FLOAT|BLOB */ + -1, /* (182) term ::= STRING */ + -1, /* (183) term ::= INTEGER */ + -1, /* (184) expr ::= VARIABLE */ + -3, /* (185) expr ::= expr COLLATE ID|STRING */ + -6, /* (186) expr ::= CAST LP expr AS typetoken RP */ + -5, /* (187) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ + -8, /* (188) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP */ + -4, /* (189) expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ + -6, /* (190) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ + -9, /* (191) expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP filter_over */ + -5, /* (192) expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ + -1, /* (193) term ::= CTIME_KW */ + -5, /* (194) expr ::= LP nexprlist COMMA expr RP */ + -3, /* (195) expr ::= expr AND expr */ + -3, /* (196) expr ::= expr OR expr */ + -3, /* (197) expr ::= expr LT|GT|GE|LE expr */ + -3, /* (198) expr ::= expr EQ|NE expr */ + -3, /* (199) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + -3, /* (200) expr ::= expr PLUS|MINUS expr */ + -3, /* (201) expr ::= expr STAR|SLASH|REM expr */ + -3, /* (202) expr ::= expr CONCAT expr */ + -2, /* (203) likeop ::= NOT LIKE_KW|MATCH */ + -3, /* (204) expr ::= expr likeop expr */ + -5, /* (205) expr ::= expr likeop expr ESCAPE expr */ + -2, /* (206) expr ::= expr ISNULL|NOTNULL */ + -3, /* (207) expr ::= expr NOT NULL */ + -3, /* (208) expr ::= expr IS expr */ + -4, /* (209) expr ::= expr IS NOT expr */ + -6, /* (210) expr ::= expr IS NOT DISTINCT FROM expr */ + -5, /* (211) expr ::= expr IS DISTINCT FROM expr */ + -2, /* (212) expr ::= NOT expr */ + -2, /* (213) expr ::= BITNOT expr */ + -2, /* (214) expr ::= PLUS|MINUS expr */ + -3, /* (215) expr ::= expr PTR expr */ + -1, /* (216) between_op ::= BETWEEN */ + -2, /* (217) between_op ::= NOT BETWEEN */ + -5, /* (218) expr ::= expr between_op expr AND expr */ + -1, /* (219) in_op ::= IN */ + -2, /* (220) in_op ::= NOT IN */ + -5, /* (221) expr ::= expr in_op LP exprlist RP */ + -3, /* (222) expr ::= LP select RP */ + -5, /* (223) expr ::= expr in_op LP select RP */ + -5, /* (224) expr ::= expr in_op nm dbnm paren_exprlist */ + -4, /* (225) expr ::= EXISTS LP select RP */ + -5, /* (226) expr ::= CASE case_operand case_exprlist case_else END */ + -5, /* (227) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + -4, /* (228) case_exprlist ::= WHEN expr THEN expr */ + -2, /* (229) case_else ::= ELSE expr */ + 0, /* (230) case_else ::= */ 0, /* (231) case_operand ::= */ 0, /* (232) exprlist ::= */ -3, /* (233) nexprlist ::= nexprlist COMMA expr */ @@ -170261,100 +174343,100 @@ static const signed char yyRuleInfoNRhs[] = { -6, /* (308) wqitem ::= nm eidlist_opt wqas LP select RP */ -1, /* (309) wqlist ::= wqitem */ -3, /* (310) wqlist ::= wqlist COMMA wqitem */ - -1, /* (311) windowdefn_list ::= windowdefn */ - -3, /* (312) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - -5, /* (313) windowdefn ::= nm AS LP window RP */ - -5, /* (314) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - -6, /* (315) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - -4, /* (316) window ::= ORDER BY sortlist frame_opt */ - -5, /* (317) window ::= nm ORDER BY sortlist frame_opt */ - -1, /* (318) window ::= frame_opt */ - -2, /* (319) window ::= nm frame_opt */ - 0, /* (320) frame_opt ::= */ - -3, /* (321) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - -6, /* (322) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - -1, /* (323) range_or_rows ::= RANGE|ROWS|GROUPS */ - -1, /* (324) frame_bound_s ::= frame_bound */ - -2, /* (325) frame_bound_s ::= UNBOUNDED PRECEDING */ - -1, /* (326) frame_bound_e ::= frame_bound */ - -2, /* (327) frame_bound_e ::= UNBOUNDED FOLLOWING */ - -2, /* (328) frame_bound ::= expr PRECEDING|FOLLOWING */ - -2, /* (329) frame_bound ::= CURRENT ROW */ - 0, /* (330) frame_exclude_opt ::= */ - -2, /* (331) frame_exclude_opt ::= EXCLUDE frame_exclude */ - -2, /* (332) frame_exclude ::= NO OTHERS */ - -2, /* (333) frame_exclude ::= CURRENT ROW */ - -1, /* (334) frame_exclude ::= GROUP|TIES */ - -2, /* (335) window_clause ::= WINDOW windowdefn_list */ - -2, /* (336) filter_over ::= filter_clause over_clause */ - -1, /* (337) filter_over ::= over_clause */ - -1, /* (338) filter_over ::= filter_clause */ - -4, /* (339) over_clause ::= OVER LP window RP */ - -2, /* (340) over_clause ::= OVER nm */ - -5, /* (341) filter_clause ::= FILTER LP WHERE expr RP */ - -1, /* (342) input ::= cmdlist */ - -2, /* (343) cmdlist ::= cmdlist ecmd */ - -1, /* (344) cmdlist ::= ecmd */ - -1, /* (345) ecmd ::= SEMI */ - -2, /* (346) ecmd ::= cmdx SEMI */ - -3, /* (347) ecmd ::= explain cmdx SEMI */ - 0, /* (348) trans_opt ::= */ - -1, /* (349) trans_opt ::= TRANSACTION */ - -2, /* (350) trans_opt ::= TRANSACTION nm */ - -1, /* (351) savepoint_opt ::= SAVEPOINT */ - 0, /* (352) savepoint_opt ::= */ - -2, /* (353) cmd ::= create_table create_table_args */ - -1, /* (354) table_option_set ::= table_option */ - -4, /* (355) columnlist ::= columnlist COMMA columnname carglist */ - -2, /* (356) columnlist ::= columnname carglist */ - -1, /* (357) nm ::= ID|INDEXED */ - -1, /* (358) nm ::= STRING */ - -1, /* (359) nm ::= JOIN_KW */ - -1, /* (360) typetoken ::= typename */ - -1, /* (361) typename ::= ID|STRING */ - -1, /* (362) signed ::= plus_num */ - -1, /* (363) signed ::= minus_num */ - -2, /* (364) carglist ::= carglist ccons */ - 0, /* (365) carglist ::= */ - -2, /* (366) ccons ::= NULL onconf */ - -4, /* (367) ccons ::= GENERATED ALWAYS AS generated */ - -2, /* (368) ccons ::= AS generated */ - -2, /* (369) conslist_opt ::= COMMA conslist */ - -3, /* (370) conslist ::= conslist tconscomma tcons */ - -1, /* (371) conslist ::= tcons */ - 0, /* (372) tconscomma ::= */ - -1, /* (373) defer_subclause_opt ::= defer_subclause */ - -1, /* (374) resolvetype ::= raisetype */ - -1, /* (375) selectnowith ::= oneselect */ - -1, /* (376) oneselect ::= values */ - -2, /* (377) sclp ::= selcollist COMMA */ - -1, /* (378) as ::= ID|STRING */ - -1, /* (379) indexed_opt ::= indexed_by */ - 0, /* (380) returning ::= */ - -1, /* (381) expr ::= term */ - -1, /* (382) likeop ::= LIKE_KW|MATCH */ - -1, /* (383) exprlist ::= nexprlist */ - -1, /* (384) nmnum ::= plus_num */ - -1, /* (385) nmnum ::= nm */ - -1, /* (386) nmnum ::= ON */ - -1, /* (387) nmnum ::= DELETE */ - -1, /* (388) nmnum ::= DEFAULT */ - -1, /* (389) plus_num ::= INTEGER|FLOAT */ - 0, /* (390) foreach_clause ::= */ - -3, /* (391) foreach_clause ::= FOR EACH ROW */ - -1, /* (392) trnm ::= nm */ - 0, /* (393) tridxby ::= */ - -1, /* (394) database_kw_opt ::= DATABASE */ - 0, /* (395) database_kw_opt ::= */ - 0, /* (396) kwcolumn_opt ::= */ - -1, /* (397) kwcolumn_opt ::= COLUMNKW */ - -1, /* (398) vtabarglist ::= vtabarg */ - -3, /* (399) vtabarglist ::= vtabarglist COMMA vtabarg */ - -2, /* (400) vtabarg ::= vtabarg vtabargtoken */ - 0, /* (401) anylist ::= */ - -4, /* (402) anylist ::= anylist LP anylist RP */ - -2, /* (403) anylist ::= anylist ANY */ - 0, /* (404) with ::= */ + -3, /* (311) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + -5, /* (312) windowdefn ::= nm AS LP window RP */ + -5, /* (313) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + -6, /* (314) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + -4, /* (315) window ::= ORDER BY sortlist frame_opt */ + -5, /* (316) window ::= nm ORDER BY sortlist frame_opt */ + -2, /* (317) window ::= nm frame_opt */ + 0, /* (318) frame_opt ::= */ + -3, /* (319) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + -6, /* (320) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + -1, /* (321) range_or_rows ::= RANGE|ROWS|GROUPS */ + -1, /* (322) frame_bound_s ::= frame_bound */ + -2, /* (323) frame_bound_s ::= UNBOUNDED PRECEDING */ + -1, /* (324) frame_bound_e ::= frame_bound */ + -2, /* (325) frame_bound_e ::= UNBOUNDED FOLLOWING */ + -2, /* (326) frame_bound ::= expr PRECEDING|FOLLOWING */ + -2, /* (327) frame_bound ::= CURRENT ROW */ + 0, /* (328) frame_exclude_opt ::= */ + -2, /* (329) frame_exclude_opt ::= EXCLUDE frame_exclude */ + -2, /* (330) frame_exclude ::= NO OTHERS */ + -2, /* (331) frame_exclude ::= CURRENT ROW */ + -1, /* (332) frame_exclude ::= GROUP|TIES */ + -2, /* (333) window_clause ::= WINDOW windowdefn_list */ + -2, /* (334) filter_over ::= filter_clause over_clause */ + -1, /* (335) filter_over ::= over_clause */ + -1, /* (336) filter_over ::= filter_clause */ + -4, /* (337) over_clause ::= OVER LP window RP */ + -2, /* (338) over_clause ::= OVER nm */ + -5, /* (339) filter_clause ::= FILTER LP WHERE expr RP */ + -1, /* (340) input ::= cmdlist */ + -2, /* (341) cmdlist ::= cmdlist ecmd */ + -1, /* (342) cmdlist ::= ecmd */ + -1, /* (343) ecmd ::= SEMI */ + -2, /* (344) ecmd ::= cmdx SEMI */ + -3, /* (345) ecmd ::= explain cmdx SEMI */ + 0, /* (346) trans_opt ::= */ + -1, /* (347) trans_opt ::= TRANSACTION */ + -2, /* (348) trans_opt ::= TRANSACTION nm */ + -1, /* (349) savepoint_opt ::= SAVEPOINT */ + 0, /* (350) savepoint_opt ::= */ + -2, /* (351) cmd ::= create_table create_table_args */ + -1, /* (352) table_option_set ::= table_option */ + -4, /* (353) columnlist ::= columnlist COMMA columnname carglist */ + -2, /* (354) columnlist ::= columnname carglist */ + -1, /* (355) nm ::= ID|INDEXED|JOIN_KW */ + -1, /* (356) nm ::= STRING */ + -1, /* (357) typetoken ::= typename */ + -1, /* (358) typename ::= ID|STRING */ + -1, /* (359) signed ::= plus_num */ + -1, /* (360) signed ::= minus_num */ + -2, /* (361) carglist ::= carglist ccons */ + 0, /* (362) carglist ::= */ + -2, /* (363) ccons ::= NULL onconf */ + -4, /* (364) ccons ::= GENERATED ALWAYS AS generated */ + -2, /* (365) ccons ::= AS generated */ + -2, /* (366) conslist_opt ::= COMMA conslist */ + -3, /* (367) conslist ::= conslist tconscomma tcons */ + -1, /* (368) conslist ::= tcons */ + 0, /* (369) tconscomma ::= */ + -1, /* (370) defer_subclause_opt ::= defer_subclause */ + -1, /* (371) resolvetype ::= raisetype */ + -1, /* (372) selectnowith ::= oneselect */ + -1, /* (373) oneselect ::= values */ + -2, /* (374) sclp ::= selcollist COMMA */ + -1, /* (375) as ::= ID|STRING */ + -1, /* (376) indexed_opt ::= indexed_by */ + 0, /* (377) returning ::= */ + -1, /* (378) expr ::= term */ + -1, /* (379) likeop ::= LIKE_KW|MATCH */ + -1, /* (380) case_operand ::= expr */ + -1, /* (381) exprlist ::= nexprlist */ + -1, /* (382) nmnum ::= plus_num */ + -1, /* (383) nmnum ::= nm */ + -1, /* (384) nmnum ::= ON */ + -1, /* (385) nmnum ::= DELETE */ + -1, /* (386) nmnum ::= DEFAULT */ + -1, /* (387) plus_num ::= INTEGER|FLOAT */ + 0, /* (388) foreach_clause ::= */ + -3, /* (389) foreach_clause ::= FOR EACH ROW */ + -1, /* (390) trnm ::= nm */ + 0, /* (391) tridxby ::= */ + -1, /* (392) database_kw_opt ::= DATABASE */ + 0, /* (393) database_kw_opt ::= */ + 0, /* (394) kwcolumn_opt ::= */ + -1, /* (395) kwcolumn_opt ::= COLUMNKW */ + -1, /* (396) vtabarglist ::= vtabarg */ + -3, /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ + -2, /* (398) vtabarg ::= vtabarg vtabargtoken */ + 0, /* (399) anylist ::= */ + -4, /* (400) anylist ::= anylist LP anylist RP */ + -2, /* (401) anylist ::= anylist ANY */ + 0, /* (402) with ::= */ + -1, /* (403) windowdefn_list ::= windowdefn */ + -1, /* (404) window ::= frame_opt */ }; static void yy_accept(yyParser*); /* Forward Declaration */ @@ -170397,10 +174479,10 @@ static YYACTIONTYPE yy_reduce( /********** Begin reduce actions **********************************************/ YYMINORTYPE yylhsminor; case 0: /* explain ::= EXPLAIN */ -{ pParse->explain = 1; } +{ if( pParse->pReprepare==0 ) pParse->explain = 1; } break; case 1: /* explain ::= EXPLAIN QUERY PLAN */ -{ pParse->explain = 2; } +{ if( pParse->pReprepare==0 ) pParse->explain = 2; } break; case 2: /* cmdx ::= cmd */ { sqlite3FinishCoding(pParse); } @@ -170414,7 +174496,7 @@ static YYACTIONTYPE yy_reduce( case 5: /* transtype ::= DEFERRED */ case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6); case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7); - case 323: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==323); + case 321: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==321); {yymsp[0].minor.yy394 = yymsp[0].major; /*A-overwrites-X*/} break; case 8: /* cmd ::= COMMIT|END trans_opt */ @@ -170635,8 +174717,8 @@ static YYACTIONTYPE yy_reduce( break; case 63: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ case 80: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==80); - case 216: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==216); - case 219: /* in_op ::= NOT IN */ yytestcase(yyruleno==219); + case 217: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==217); + case 220: /* in_op ::= NOT IN */ yytestcase(yyruleno==220); case 245: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==245); {yymsp[-1].minor.yy394 = 1;} break; @@ -170710,7 +174792,6 @@ static YYACTIONTYPE yy_reduce( if( p ){ parserDoubleLinkSelect(pParse, p); } - yymsp[0].minor.yy47 = p; /*A-overwrites-X*/ } break; case 88: /* selectnowith ::= selectnowith multiselect_op oneselect */ @@ -170802,14 +174883,17 @@ static YYACTIONTYPE yy_reduce( case 101: /* selcollist ::= sclp scanpt STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0); + sqlite3ExprSetErrorOffset(p, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy322, p); } break; case 102: /* selcollist ::= sclp scanpt nm DOT STAR */ { - Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); - Expr *pLeft = tokenExpr(pParse, TK_ID, yymsp[-2].minor.yy0); - Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); + Expr *pRight, *pLeft, *pDot; + pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); + sqlite3ExprSetErrorOffset(pRight, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); + pLeft = tokenExpr(pParse, TK_ID, yymsp[-2].minor.yy0); + pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, pDot); } break; @@ -170860,7 +174944,7 @@ static YYACTIONTYPE yy_reduce( { if( yymsp[-5].minor.yy131==0 && yymsp[-1].minor.yy0.n==0 && yymsp[0].minor.yy561.pOn==0 && yymsp[0].minor.yy561.pUsing==0 ){ yymsp[-5].minor.yy131 = yymsp[-3].minor.yy131; - }else if( yymsp[-3].minor.yy131->nSrc==1 ){ + }else if( ALWAYS(yymsp[-3].minor.yy131!=0) && yymsp[-3].minor.yy131->nSrc==1 ){ yymsp[-5].minor.yy131 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-5].minor.yy131,0,0,&yymsp[-1].minor.yy0,0,&yymsp[0].minor.yy561); if( yymsp[-5].minor.yy131 ){ SrcItem *pNew = &yymsp[-5].minor.yy131->a[yymsp[-5].minor.yy131->nSrc-1]; @@ -170988,7 +175072,7 @@ static YYACTIONTYPE yy_reduce( case 146: /* limit_opt ::= */ yytestcase(yyruleno==146); case 151: /* where_opt ::= */ yytestcase(yyruleno==151); case 153: /* where_opt_ret ::= */ yytestcase(yyruleno==153); - case 229: /* case_else ::= */ yytestcase(yyruleno==229); + case 230: /* case_else ::= */ yytestcase(yyruleno==230); case 231: /* case_operand ::= */ yytestcase(yyruleno==231); case 250: /* vinto ::= */ yytestcase(yyruleno==250); {yymsp[1].minor.yy528 = 0;} @@ -170996,7 +175080,7 @@ static YYACTIONTYPE yy_reduce( case 145: /* having_opt ::= HAVING expr */ case 152: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==152); case 154: /* where_opt_ret ::= WHERE expr */ yytestcase(yyruleno==154); - case 228: /* case_else ::= ELSE expr */ yytestcase(yyruleno==228); + case 229: /* case_else ::= ELSE expr */ yytestcase(yyruleno==229); case 249: /* vinto ::= INTO expr */ yytestcase(yyruleno==249); {yymsp[-1].minor.yy528 = yymsp[0].minor.yy528;} break; @@ -171109,11 +175193,10 @@ static YYACTIONTYPE yy_reduce( case 177: /* expr ::= LP expr RP */ {yymsp[-2].minor.yy528 = yymsp[-1].minor.yy528;} break; - case 178: /* expr ::= ID|INDEXED */ - case 179: /* expr ::= JOIN_KW */ yytestcase(yyruleno==179); + case 178: /* expr ::= ID|INDEXED|JOIN_KW */ {yymsp[0].minor.yy528=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 180: /* expr ::= nm DOT nm */ + case 179: /* expr ::= nm DOT nm */ { Expr *temp1 = tokenExpr(pParse,TK_ID,yymsp[-2].minor.yy0); Expr *temp2 = tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); @@ -171121,7 +175204,7 @@ static YYACTIONTYPE yy_reduce( } yymsp[-2].minor.yy528 = yylhsminor.yy528; break; - case 181: /* expr ::= nm DOT nm DOT nm */ + case 180: /* expr ::= nm DOT nm DOT nm */ { Expr *temp1 = tokenExpr(pParse,TK_ID,yymsp[-4].minor.yy0); Expr *temp2 = tokenExpr(pParse,TK_ID,yymsp[-2].minor.yy0); @@ -171134,18 +175217,18 @@ static YYACTIONTYPE yy_reduce( } yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 182: /* term ::= NULL|FLOAT|BLOB */ - case 183: /* term ::= STRING */ yytestcase(yyruleno==183); + case 181: /* term ::= NULL|FLOAT|BLOB */ + case 182: /* term ::= STRING */ yytestcase(yyruleno==182); {yymsp[0].minor.yy528=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 184: /* term ::= INTEGER */ + case 183: /* term ::= INTEGER */ { yylhsminor.yy528 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); if( yylhsminor.yy528 ) yylhsminor.yy528->w.iOfst = (int)(yymsp[0].minor.yy0.z - pParse->zTail); } yymsp[0].minor.yy528 = yylhsminor.yy528; break; - case 185: /* expr ::= VARIABLE */ + case 184: /* expr ::= VARIABLE */ { if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){ u32 n = yymsp[0].minor.yy0.n; @@ -171167,50 +175250,65 @@ static YYACTIONTYPE yy_reduce( } } break; - case 186: /* expr ::= expr COLLATE ID|STRING */ + case 185: /* expr ::= expr COLLATE ID|STRING */ { yymsp[-2].minor.yy528 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy528, &yymsp[0].minor.yy0, 1); } break; - case 187: /* expr ::= CAST LP expr AS typetoken RP */ + case 186: /* expr ::= CAST LP expr AS typetoken RP */ { yymsp[-5].minor.yy528 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy528, yymsp[-3].minor.yy528, 0); } break; - case 188: /* expr ::= ID|INDEXED LP distinct exprlist RP */ + case 187: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP */ { yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy322, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy394); } yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 189: /* expr ::= ID|INDEXED LP STAR RP */ + case 188: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP */ +{ + yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-4].minor.yy322, &yymsp[-7].minor.yy0, yymsp[-5].minor.yy394); + sqlite3ExprAddFunctionOrderBy(pParse, yylhsminor.yy528, yymsp[-1].minor.yy322); +} + yymsp[-7].minor.yy528 = yylhsminor.yy528; + break; + case 189: /* expr ::= ID|INDEXED|JOIN_KW LP STAR RP */ { yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0); } yymsp[-3].minor.yy528 = yylhsminor.yy528; break; - case 190: /* expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ + case 190: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist RP filter_over */ { yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy322, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy394); sqlite3WindowAttach(pParse, yylhsminor.yy528, yymsp[0].minor.yy41); } yymsp[-5].minor.yy528 = yylhsminor.yy528; break; - case 191: /* expr ::= ID|INDEXED LP STAR RP filter_over */ + case 191: /* expr ::= ID|INDEXED|JOIN_KW LP distinct exprlist ORDER BY sortlist RP filter_over */ +{ + yylhsminor.yy528 = sqlite3ExprFunction(pParse, yymsp[-5].minor.yy322, &yymsp[-8].minor.yy0, yymsp[-6].minor.yy394); + sqlite3WindowAttach(pParse, yylhsminor.yy528, yymsp[0].minor.yy41); + sqlite3ExprAddFunctionOrderBy(pParse, yylhsminor.yy528, yymsp[-2].minor.yy322); +} + yymsp[-8].minor.yy528 = yylhsminor.yy528; + break; + case 192: /* expr ::= ID|INDEXED|JOIN_KW LP STAR RP filter_over */ { yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0); sqlite3WindowAttach(pParse, yylhsminor.yy528, yymsp[0].minor.yy41); } yymsp[-4].minor.yy528 = yylhsminor.yy528; break; - case 192: /* term ::= CTIME_KW */ + case 193: /* term ::= CTIME_KW */ { yylhsminor.yy528 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0); } yymsp[0].minor.yy528 = yylhsminor.yy528; break; - case 193: /* expr ::= LP nexprlist COMMA expr RP */ + case 194: /* expr ::= LP nexprlist COMMA expr RP */ { ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy322, yymsp[-1].minor.yy528); yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); @@ -171224,22 +175322,22 @@ static YYACTIONTYPE yy_reduce( } } break; - case 194: /* expr ::= expr AND expr */ + case 195: /* expr ::= expr AND expr */ {yymsp[-2].minor.yy528=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy528,yymsp[0].minor.yy528);} break; - case 195: /* expr ::= expr OR expr */ - case 196: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==196); - case 197: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==197); - case 198: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==198); - case 199: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==199); - case 200: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==200); - case 201: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==201); + case 196: /* expr ::= expr OR expr */ + case 197: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==197); + case 198: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==198); + case 199: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==199); + case 200: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==200); + case 201: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==201); + case 202: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==202); {yymsp[-2].minor.yy528=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy528,yymsp[0].minor.yy528);} break; - case 202: /* likeop ::= NOT LIKE_KW|MATCH */ + case 203: /* likeop ::= NOT LIKE_KW|MATCH */ {yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/} break; - case 203: /* expr ::= expr likeop expr */ + case 204: /* expr ::= expr likeop expr */ { ExprList *pList; int bNot = yymsp[-1].minor.yy0.n & 0x80000000; @@ -171251,7 +175349,7 @@ static YYACTIONTYPE yy_reduce( if( yymsp[-2].minor.yy528 ) yymsp[-2].minor.yy528->flags |= EP_InfixFunc; } break; - case 204: /* expr ::= expr likeop expr ESCAPE expr */ + case 205: /* expr ::= expr likeop expr ESCAPE expr */ { ExprList *pList; int bNot = yymsp[-3].minor.yy0.n & 0x80000000; @@ -171264,47 +175362,47 @@ static YYACTIONTYPE yy_reduce( if( yymsp[-4].minor.yy528 ) yymsp[-4].minor.yy528->flags |= EP_InfixFunc; } break; - case 205: /* expr ::= expr ISNULL|NOTNULL */ + case 206: /* expr ::= expr ISNULL|NOTNULL */ {yymsp[-1].minor.yy528 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy528,0);} break; - case 206: /* expr ::= expr NOT NULL */ + case 207: /* expr ::= expr NOT NULL */ {yymsp[-2].minor.yy528 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy528,0);} break; - case 207: /* expr ::= expr IS expr */ + case 208: /* expr ::= expr IS expr */ { yymsp[-2].minor.yy528 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy528,yymsp[0].minor.yy528); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-2].minor.yy528, TK_ISNULL); } break; - case 208: /* expr ::= expr IS NOT expr */ + case 209: /* expr ::= expr IS NOT expr */ { yymsp[-3].minor.yy528 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy528,yymsp[0].minor.yy528); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-3].minor.yy528, TK_NOTNULL); } break; - case 209: /* expr ::= expr IS NOT DISTINCT FROM expr */ + case 210: /* expr ::= expr IS NOT DISTINCT FROM expr */ { yymsp[-5].minor.yy528 = sqlite3PExpr(pParse,TK_IS,yymsp[-5].minor.yy528,yymsp[0].minor.yy528); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-5].minor.yy528, TK_ISNULL); } break; - case 210: /* expr ::= expr IS DISTINCT FROM expr */ + case 211: /* expr ::= expr IS DISTINCT FROM expr */ { yymsp[-4].minor.yy528 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-4].minor.yy528,yymsp[0].minor.yy528); binaryToUnaryIfNull(pParse, yymsp[0].minor.yy528, yymsp[-4].minor.yy528, TK_NOTNULL); } break; - case 211: /* expr ::= NOT expr */ - case 212: /* expr ::= BITNOT expr */ yytestcase(yyruleno==212); + case 212: /* expr ::= NOT expr */ + case 213: /* expr ::= BITNOT expr */ yytestcase(yyruleno==213); {yymsp[-1].minor.yy528 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy528, 0);/*A-overwrites-B*/} break; - case 213: /* expr ::= PLUS|MINUS expr */ + case 214: /* expr ::= PLUS|MINUS expr */ { yymsp[-1].minor.yy528 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy528, 0); /*A-overwrites-B*/ } break; - case 214: /* expr ::= expr PTR expr */ + case 215: /* expr ::= expr PTR expr */ { ExprList *pList = sqlite3ExprListAppend(pParse, 0, yymsp[-2].minor.yy528); pList = sqlite3ExprListAppend(pParse, pList, yymsp[0].minor.yy528); @@ -171312,11 +175410,11 @@ static YYACTIONTYPE yy_reduce( } yymsp[-2].minor.yy528 = yylhsminor.yy528; break; - case 215: /* between_op ::= BETWEEN */ - case 218: /* in_op ::= IN */ yytestcase(yyruleno==218); + case 216: /* between_op ::= BETWEEN */ + case 219: /* in_op ::= IN */ yytestcase(yyruleno==219); {yymsp[0].minor.yy394 = 0;} break; - case 217: /* expr ::= expr between_op expr AND expr */ + case 218: /* expr ::= expr between_op expr AND expr */ { ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy528); pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy528); @@ -171329,7 +175427,7 @@ static YYACTIONTYPE yy_reduce( if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 220: /* expr ::= expr in_op LP exprlist RP */ + case 221: /* expr ::= expr in_op LP exprlist RP */ { if( yymsp[-1].minor.yy322==0 ){ /* Expressions of the form @@ -171375,20 +175473,20 @@ static YYACTIONTYPE yy_reduce( } } break; - case 221: /* expr ::= LP select RP */ + case 222: /* expr ::= LP select RP */ { yymsp[-2].minor.yy528 = sqlite3PExpr(pParse, TK_SELECT, 0, 0); sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy528, yymsp[-1].minor.yy47); } break; - case 222: /* expr ::= expr in_op LP select RP */ + case 223: /* expr ::= expr in_op LP select RP */ { yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, yymsp[-1].minor.yy47); if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 223: /* expr ::= expr in_op nm dbnm paren_exprlist */ + case 224: /* expr ::= expr in_op nm dbnm paren_exprlist */ { SrcList *pSrc = sqlite3SrcListAppend(pParse, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0); @@ -171398,14 +175496,14 @@ static YYACTIONTYPE yy_reduce( if( yymsp[-3].minor.yy394 ) yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy528, 0); } break; - case 224: /* expr ::= EXISTS LP select RP */ + case 225: /* expr ::= EXISTS LP select RP */ { Expr *p; p = yymsp[-3].minor.yy528 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy47); } break; - case 225: /* expr ::= CASE case_operand case_exprlist case_else END */ + case 226: /* expr ::= CASE case_operand case_exprlist case_else END */ { yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy528, 0); if( yymsp[-4].minor.yy528 ){ @@ -171417,21 +175515,18 @@ static YYACTIONTYPE yy_reduce( } } break; - case 226: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ + case 227: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ { yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, yymsp[-2].minor.yy528); yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, yymsp[0].minor.yy528); } break; - case 227: /* case_exprlist ::= WHEN expr THEN expr */ + case 228: /* case_exprlist ::= WHEN expr THEN expr */ { yymsp[-3].minor.yy322 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy528); yymsp[-3].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy322, yymsp[0].minor.yy528); } break; - case 230: /* case_operand ::= expr */ -{yymsp[0].minor.yy528 = yymsp[0].minor.yy528; /*A-overwrites-X*/} - break; case 233: /* nexprlist ::= nexprlist COMMA expr */ {yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy322,yymsp[0].minor.yy528);} break; @@ -171707,11 +175802,7 @@ static YYACTIONTYPE yy_reduce( yymsp[-2].minor.yy521 = sqlite3WithAdd(pParse, yymsp[-2].minor.yy521, yymsp[0].minor.yy385); } break; - case 311: /* windowdefn_list ::= windowdefn */ -{ yylhsminor.yy41 = yymsp[0].minor.yy41; } - yymsp[0].minor.yy41 = yylhsminor.yy41; - break; - case 312: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ + case 311: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ { assert( yymsp[0].minor.yy41!=0 ); sqlite3WindowChain(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy41); @@ -171720,7 +175811,7 @@ static YYACTIONTYPE yy_reduce( } yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 313: /* windowdefn ::= nm AS LP window RP */ + case 312: /* windowdefn ::= nm AS LP window RP */ { if( ALWAYS(yymsp[-1].minor.yy41) ){ yymsp[-1].minor.yy41->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); @@ -171729,90 +175820,83 @@ static YYACTIONTYPE yy_reduce( } yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 314: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + case 313: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ { yymsp[-4].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, 0); } break; - case 315: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + case 314: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, &yymsp[-5].minor.yy0); } yymsp[-5].minor.yy41 = yylhsminor.yy41; break; - case 316: /* window ::= ORDER BY sortlist frame_opt */ + case 315: /* window ::= ORDER BY sortlist frame_opt */ { yymsp[-3].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, 0); } break; - case 317: /* window ::= nm ORDER BY sortlist frame_opt */ + case 316: /* window ::= nm ORDER BY sortlist frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, &yymsp[-4].minor.yy0); } yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 318: /* window ::= frame_opt */ - case 337: /* filter_over ::= over_clause */ yytestcase(yyruleno==337); -{ - yylhsminor.yy41 = yymsp[0].minor.yy41; -} - yymsp[0].minor.yy41 = yylhsminor.yy41; - break; - case 319: /* window ::= nm frame_opt */ + case 317: /* window ::= nm frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, 0, &yymsp[-1].minor.yy0); } yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 320: /* frame_opt ::= */ + case 318: /* frame_opt ::= */ { yymsp[1].minor.yy41 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); } break; - case 321: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + case 319: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ { yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy394, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy516); } yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 322: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + case 320: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ { yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy394, yymsp[-3].minor.yy595.eType, yymsp[-3].minor.yy595.pExpr, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, yymsp[0].minor.yy516); } yymsp[-5].minor.yy41 = yylhsminor.yy41; break; - case 324: /* frame_bound_s ::= frame_bound */ - case 326: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==326); + case 322: /* frame_bound_s ::= frame_bound */ + case 324: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==324); {yylhsminor.yy595 = yymsp[0].minor.yy595;} yymsp[0].minor.yy595 = yylhsminor.yy595; break; - case 325: /* frame_bound_s ::= UNBOUNDED PRECEDING */ - case 327: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==327); - case 329: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==329); + case 323: /* frame_bound_s ::= UNBOUNDED PRECEDING */ + case 325: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==325); + case 327: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==327); {yylhsminor.yy595.eType = yymsp[-1].major; yylhsminor.yy595.pExpr = 0;} yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 328: /* frame_bound ::= expr PRECEDING|FOLLOWING */ + case 326: /* frame_bound ::= expr PRECEDING|FOLLOWING */ {yylhsminor.yy595.eType = yymsp[0].major; yylhsminor.yy595.pExpr = yymsp[-1].minor.yy528;} yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 330: /* frame_exclude_opt ::= */ + case 328: /* frame_exclude_opt ::= */ {yymsp[1].minor.yy516 = 0;} break; - case 331: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ + case 329: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ {yymsp[-1].minor.yy516 = yymsp[0].minor.yy516;} break; - case 332: /* frame_exclude ::= NO OTHERS */ - case 333: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==333); + case 330: /* frame_exclude ::= NO OTHERS */ + case 331: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==331); {yymsp[-1].minor.yy516 = yymsp[-1].major; /*A-overwrites-X*/} break; - case 334: /* frame_exclude ::= GROUP|TIES */ + case 332: /* frame_exclude ::= GROUP|TIES */ {yymsp[0].minor.yy516 = yymsp[0].major; /*A-overwrites-X*/} break; - case 335: /* window_clause ::= WINDOW windowdefn_list */ + case 333: /* window_clause ::= WINDOW windowdefn_list */ { yymsp[-1].minor.yy41 = yymsp[0].minor.yy41; } break; - case 336: /* filter_over ::= filter_clause over_clause */ + case 334: /* filter_over ::= filter_clause over_clause */ { if( yymsp[0].minor.yy41 ){ yymsp[0].minor.yy41->pFilter = yymsp[-1].minor.yy528; @@ -171823,7 +175907,13 @@ static YYACTIONTYPE yy_reduce( } yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 338: /* filter_over ::= filter_clause */ + case 335: /* filter_over ::= over_clause */ +{ + yylhsminor.yy41 = yymsp[0].minor.yy41; +} + yymsp[0].minor.yy41 = yylhsminor.yy41; + break; + case 336: /* filter_over ::= filter_clause */ { yylhsminor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); if( yylhsminor.yy41 ){ @@ -171835,13 +175925,13 @@ static YYACTIONTYPE yy_reduce( } yymsp[0].minor.yy41 = yylhsminor.yy41; break; - case 339: /* over_clause ::= OVER LP window RP */ + case 337: /* over_clause ::= OVER LP window RP */ { yymsp[-3].minor.yy41 = yymsp[-1].minor.yy41; assert( yymsp[-3].minor.yy41!=0 ); } break; - case 340: /* over_clause ::= OVER nm */ + case 338: /* over_clause ::= OVER nm */ { yymsp[-1].minor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); if( yymsp[-1].minor.yy41 ){ @@ -171849,73 +175939,75 @@ static YYACTIONTYPE yy_reduce( } } break; - case 341: /* filter_clause ::= FILTER LP WHERE expr RP */ + case 339: /* filter_clause ::= FILTER LP WHERE expr RP */ { yymsp[-4].minor.yy528 = yymsp[-1].minor.yy528; } break; default: - /* (342) input ::= cmdlist */ yytestcase(yyruleno==342); - /* (343) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==343); - /* (344) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=344); - /* (345) ecmd ::= SEMI */ yytestcase(yyruleno==345); - /* (346) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==346); - /* (347) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=347); - /* (348) trans_opt ::= */ yytestcase(yyruleno==348); - /* (349) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==349); - /* (350) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==350); - /* (351) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==351); - /* (352) savepoint_opt ::= */ yytestcase(yyruleno==352); - /* (353) cmd ::= create_table create_table_args */ yytestcase(yyruleno==353); - /* (354) table_option_set ::= table_option (OPTIMIZED OUT) */ assert(yyruleno!=354); - /* (355) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==355); - /* (356) columnlist ::= columnname carglist */ yytestcase(yyruleno==356); - /* (357) nm ::= ID|INDEXED */ yytestcase(yyruleno==357); - /* (358) nm ::= STRING */ yytestcase(yyruleno==358); - /* (359) nm ::= JOIN_KW */ yytestcase(yyruleno==359); - /* (360) typetoken ::= typename */ yytestcase(yyruleno==360); - /* (361) typename ::= ID|STRING */ yytestcase(yyruleno==361); - /* (362) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=362); - /* (363) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=363); - /* (364) carglist ::= carglist ccons */ yytestcase(yyruleno==364); - /* (365) carglist ::= */ yytestcase(yyruleno==365); - /* (366) ccons ::= NULL onconf */ yytestcase(yyruleno==366); - /* (367) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==367); - /* (368) ccons ::= AS generated */ yytestcase(yyruleno==368); - /* (369) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==369); - /* (370) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==370); - /* (371) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=371); - /* (372) tconscomma ::= */ yytestcase(yyruleno==372); - /* (373) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=373); - /* (374) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=374); - /* (375) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=375); - /* (376) oneselect ::= values */ yytestcase(yyruleno==376); - /* (377) sclp ::= selcollist COMMA */ yytestcase(yyruleno==377); - /* (378) as ::= ID|STRING */ yytestcase(yyruleno==378); - /* (379) indexed_opt ::= indexed_by (OPTIMIZED OUT) */ assert(yyruleno!=379); - /* (380) returning ::= */ yytestcase(yyruleno==380); - /* (381) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=381); - /* (382) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==382); - /* (383) exprlist ::= nexprlist */ yytestcase(yyruleno==383); - /* (384) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=384); - /* (385) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=385); - /* (386) nmnum ::= ON */ yytestcase(yyruleno==386); - /* (387) nmnum ::= DELETE */ yytestcase(yyruleno==387); - /* (388) nmnum ::= DEFAULT */ yytestcase(yyruleno==388); - /* (389) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==389); - /* (390) foreach_clause ::= */ yytestcase(yyruleno==390); - /* (391) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==391); - /* (392) trnm ::= nm */ yytestcase(yyruleno==392); - /* (393) tridxby ::= */ yytestcase(yyruleno==393); - /* (394) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==394); - /* (395) database_kw_opt ::= */ yytestcase(yyruleno==395); - /* (396) kwcolumn_opt ::= */ yytestcase(yyruleno==396); - /* (397) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==397); - /* (398) vtabarglist ::= vtabarg */ yytestcase(yyruleno==398); - /* (399) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==399); - /* (400) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==400); - /* (401) anylist ::= */ yytestcase(yyruleno==401); - /* (402) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==402); - /* (403) anylist ::= anylist ANY */ yytestcase(yyruleno==403); - /* (404) with ::= */ yytestcase(yyruleno==404); + /* (340) input ::= cmdlist */ yytestcase(yyruleno==340); + /* (341) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==341); + /* (342) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=342); + /* (343) ecmd ::= SEMI */ yytestcase(yyruleno==343); + /* (344) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==344); + /* (345) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=345); + /* (346) trans_opt ::= */ yytestcase(yyruleno==346); + /* (347) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==347); + /* (348) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==348); + /* (349) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==349); + /* (350) savepoint_opt ::= */ yytestcase(yyruleno==350); + /* (351) cmd ::= create_table create_table_args */ yytestcase(yyruleno==351); + /* (352) table_option_set ::= table_option (OPTIMIZED OUT) */ assert(yyruleno!=352); + /* (353) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==353); + /* (354) columnlist ::= columnname carglist */ yytestcase(yyruleno==354); + /* (355) nm ::= ID|INDEXED|JOIN_KW */ yytestcase(yyruleno==355); + /* (356) nm ::= STRING */ yytestcase(yyruleno==356); + /* (357) typetoken ::= typename */ yytestcase(yyruleno==357); + /* (358) typename ::= ID|STRING */ yytestcase(yyruleno==358); + /* (359) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=359); + /* (360) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=360); + /* (361) carglist ::= carglist ccons */ yytestcase(yyruleno==361); + /* (362) carglist ::= */ yytestcase(yyruleno==362); + /* (363) ccons ::= NULL onconf */ yytestcase(yyruleno==363); + /* (364) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==364); + /* (365) ccons ::= AS generated */ yytestcase(yyruleno==365); + /* (366) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==366); + /* (367) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==367); + /* (368) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=368); + /* (369) tconscomma ::= */ yytestcase(yyruleno==369); + /* (370) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=370); + /* (371) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=371); + /* (372) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=372); + /* (373) oneselect ::= values */ yytestcase(yyruleno==373); + /* (374) sclp ::= selcollist COMMA */ yytestcase(yyruleno==374); + /* (375) as ::= ID|STRING */ yytestcase(yyruleno==375); + /* (376) indexed_opt ::= indexed_by (OPTIMIZED OUT) */ assert(yyruleno!=376); + /* (377) returning ::= */ yytestcase(yyruleno==377); + /* (378) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=378); + /* (379) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==379); + /* (380) case_operand ::= expr */ yytestcase(yyruleno==380); + /* (381) exprlist ::= nexprlist */ yytestcase(yyruleno==381); + /* (382) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=382); + /* (383) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=383); + /* (384) nmnum ::= ON */ yytestcase(yyruleno==384); + /* (385) nmnum ::= DELETE */ yytestcase(yyruleno==385); + /* (386) nmnum ::= DEFAULT */ yytestcase(yyruleno==386); + /* (387) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==387); + /* (388) foreach_clause ::= */ yytestcase(yyruleno==388); + /* (389) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==389); + /* (390) trnm ::= nm */ yytestcase(yyruleno==390); + /* (391) tridxby ::= */ yytestcase(yyruleno==391); + /* (392) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==392); + /* (393) database_kw_opt ::= */ yytestcase(yyruleno==393); + /* (394) kwcolumn_opt ::= */ yytestcase(yyruleno==394); + /* (395) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==395); + /* (396) vtabarglist ::= vtabarg */ yytestcase(yyruleno==396); + /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==397); + /* (398) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==398); + /* (399) anylist ::= */ yytestcase(yyruleno==399); + /* (400) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==400); + /* (401) anylist ::= anylist ANY */ yytestcase(yyruleno==401); + /* (402) with ::= */ yytestcase(yyruleno==402); + /* (403) windowdefn_list ::= windowdefn (OPTIMIZED OUT) */ assert(yyruleno!=403); + /* (404) window ::= frame_opt (OPTIMIZED OUT) */ assert(yyruleno!=404); break; /********** End reduce actions ************************************************/ }; @@ -172491,7 +176583,7 @@ static const unsigned char aKWHash[127] = { /* aKWNext[] forms the hash collision chain. If aKWHash[i]==0 ** then the i-th keyword has no more hash collisions. Otherwise, ** the next keyword with the same hash is aKWHash[i]-1. */ -static const unsigned char aKWNext[147] = { +static const unsigned char aKWNext[148] = {0, 0, 0, 0, 0, 4, 0, 43, 0, 0, 106, 114, 0, 0, 0, 2, 0, 0, 143, 0, 0, 0, 13, 0, 0, 0, 0, 141, 0, 0, 119, 52, 0, 0, 137, 12, 0, 0, 62, 0, @@ -172506,7 +176598,7 @@ static const unsigned char aKWNext[147] = { 102, 0, 0, 87, }; /* aKWLen[i] is the length (in bytes) of the i-th keyword */ -static const unsigned char aKWLen[147] = { +static const unsigned char aKWLen[148] = {0, 7, 7, 5, 4, 6, 4, 5, 3, 6, 7, 3, 6, 6, 7, 7, 3, 8, 2, 6, 5, 4, 4, 3, 10, 4, 7, 6, 9, 4, 2, 6, 5, 9, 9, 4, 7, 3, 2, 4, @@ -172522,7 +176614,7 @@ static const unsigned char aKWLen[147] = { }; /* aKWOffset[i] is the index into zKWText[] of the start of ** the text for the i-th keyword. */ -static const unsigned short int aKWOffset[147] = { +static const unsigned short int aKWOffset[148] = {0, 0, 2, 2, 8, 9, 14, 16, 20, 23, 25, 25, 29, 33, 36, 41, 46, 48, 53, 54, 59, 62, 65, 67, 69, 78, 81, 86, 90, 90, 94, 99, 101, 105, 111, 119, 123, 123, 123, 126, @@ -172537,7 +176629,7 @@ static const unsigned short int aKWOffset[147] = { 648, 650, 655, 659, }; /* aKWCode[i] is the parser symbol code for the i-th keyword */ -static const unsigned char aKWCode[147] = { +static const unsigned char aKWCode[148] = {0, TK_REINDEX, TK_INDEXED, TK_INDEX, TK_DESC, TK_ESCAPE, TK_EACH, TK_CHECK, TK_KEY, TK_BEFORE, TK_FOREIGN, TK_FOR, TK_IGNORE, TK_LIKE_KW, TK_EXPLAIN, TK_INSTEAD, @@ -172704,185 +176796,185 @@ static const unsigned char aKWCode[147] = { static int keywordCode(const char *z, int n, int *pType){ int i, j; const char *zKW; - if( n>=2 ){ - i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n*1) % 127; - for(i=((int)aKWHash[i])-1; i>=0; i=((int)aKWNext[i])-1){ - if( aKWLen[i]!=n ) continue; - zKW = &zKWText[aKWOffset[i]]; + assert( n>=2 ); + i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n*1) % 127; + for(i=(int)aKWHash[i]; i>0; i=aKWNext[i]){ + if( aKWLen[i]!=n ) continue; + zKW = &zKWText[aKWOffset[i]]; #ifdef SQLITE_ASCII - if( (z[0]&~0x20)!=zKW[0] ) continue; - if( (z[1]&~0x20)!=zKW[1] ) continue; - j = 2; - while( j=2 ) keywordCode((char*)z, n, &id); return id; } #define SQLITE_N_KEYWORD 147 SQLITE_API int sqlite3_keyword_name(int i,const char **pzName,int *pnName){ if( i<0 || i>=SQLITE_N_KEYWORD ) return SQLITE_ERROR; + i++; *pzName = zKWText + aKWOffset[i]; *pnName = aKWLen[i]; return SQLITE_OK; @@ -173181,7 +177273,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ testcase( z[0]=='0' ); testcase( z[0]=='1' ); testcase( z[0]=='2' ); testcase( z[0]=='3' ); testcase( z[0]=='4' ); testcase( z[0]=='5' ); testcase( z[0]=='6' ); testcase( z[0]=='7' ); testcase( z[0]=='8' ); - testcase( z[0]=='9' ); + testcase( z[0]=='9' ); testcase( z[0]=='.' ); *tokenType = TK_INTEGER; #ifndef SQLITE_OMIT_HEX_INTEGER if( z[0]=='0' && (z[1]=='x' || z[1]=='X') && sqlite3Isxdigit(z[2]) ){ @@ -173253,7 +177345,8 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ return i; } case CC_KYWD0: { - for(i=1; aiClass[z[i]]<=CC_KYWD; i++){} + if( aiClass[z[1]]>CC_KYWD ){ i = 1; break; } + for(i=2; aiClass[z[i]]<=CC_KYWD; i++){} if( IdChar(z[i]) ){ /* This token started out using characters that can appear in keywords, ** but z[i] is a character not allowed within keywords, so this must @@ -174032,30 +178125,20 @@ static int sqlite3TestExtInit(sqlite3 *db){ ** Forward declarations of external module initializer functions ** for modules that need them. */ -#ifdef SQLITE_ENABLE_FTS1 -SQLITE_PRIVATE int sqlite3Fts1Init(sqlite3*); -#endif -#ifdef SQLITE_ENABLE_FTS2 -SQLITE_PRIVATE int sqlite3Fts2Init(sqlite3*); -#endif #ifdef SQLITE_ENABLE_FTS5 SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); #endif #ifdef SQLITE_ENABLE_STMTVTAB SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3*); #endif - +#ifdef SQLITE_EXTRA_AUTOEXT +int SQLITE_EXTRA_AUTOEXT(sqlite3*); +#endif /* ** An array of pointers to extension initializer functions for ** built-in extensions. */ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { -#ifdef SQLITE_ENABLE_FTS1 - sqlite3Fts1Init, -#endif -#ifdef SQLITE_ENABLE_FTS2 - sqlite3Fts2Init, -#endif #ifdef SQLITE_ENABLE_FTS3 sqlite3Fts3Init, #endif @@ -174084,6 +178167,9 @@ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { #ifdef SQLITE_ENABLE_BYTECODE_VTAB sqlite3VdbeBytecodeVtabInit, #endif +#ifdef SQLITE_EXTRA_AUTOEXT + SQLITE_EXTRA_AUTOEXT, +#endif }; #ifndef SQLITE_AMALGAMATION @@ -174157,6 +178243,32 @@ SQLITE_API char *sqlite3_temp_directory = 0; */ SQLITE_API char *sqlite3_data_directory = 0; +/* +** Determine whether or not high-precision (long double) floating point +** math works correctly on CPU currently running. +*/ +static SQLITE_NOINLINE int hasHighPrecisionDouble(int rc){ + if( sizeof(LONGDOUBLE_TYPE)<=8 ){ + /* If the size of "long double" is not more than 8, then + ** high-precision math is not possible. */ + return 0; + }else{ + /* Just because sizeof(long double)>8 does not mean that the underlying + ** hardware actually supports high-precision floating point. For example, + ** clearing the 0x100 bit in the floating-point control word on Intel + ** processors will make long double work like double, even though long + ** double takes up more space. The only way to determine if long double + ** actually works is to run an experiment. */ + LONGDOUBLE_TYPE a, b, c; + rc++; + a = 1.0+rc*0.1; + b = 1.0e+18+rc*25.0; + c = a+b; + return b!=c; + } +} + + /* ** Initialize SQLite. ** @@ -174352,6 +178464,12 @@ SQLITE_API int sqlite3_initialize(void){ } #endif + /* Experimentally determine if high-precision floating point is + ** available. */ +#ifndef SQLITE_OMIT_WSD + sqlite3Config.bUseLongDouble = hasHighPrecisionDouble(rc); +#endif + return rc; } @@ -174421,9 +178539,21 @@ SQLITE_API int sqlite3_config(int op, ...){ va_list ap; int rc = SQLITE_OK; - /* sqlite3_config() shall return SQLITE_MISUSE if it is invoked while - ** the SQLite library is in use. */ - if( sqlite3GlobalConfig.isInit ) return SQLITE_MISUSE_BKPT; + /* sqlite3_config() normally returns SQLITE_MISUSE if it is invoked while + ** the SQLite library is in use. Except, a few selected opcodes + ** are allowed. + */ + if( sqlite3GlobalConfig.isInit ){ + static const u64 mAnytimeConfigOption = 0 + | MASKBIT64( SQLITE_CONFIG_LOG ) + | MASKBIT64( SQLITE_CONFIG_PCACHE_HDRSZ ) + ; + if( op<0 || op>63 || (MASKBIT64(op) & mAnytimeConfigOption)==0 ){ + return SQLITE_MISUSE_BKPT; + } + testcase( op==SQLITE_CONFIG_LOG ); + testcase( op==SQLITE_CONFIG_PCACHE_HDRSZ ); + } va_start(ap, op); switch( op ){ @@ -174492,6 +178622,7 @@ SQLITE_API int sqlite3_config(int op, ...){ break; } case SQLITE_CONFIG_MEMSTATUS: { + assert( !sqlite3GlobalConfig.isInit ); /* Cannot change at runtime */ /* EVIDENCE-OF: R-61275-35157 The SQLITE_CONFIG_MEMSTATUS option takes ** single argument of type int, interpreted as a boolean, which enables ** or disables the collection of memory allocation statistics. */ @@ -174615,8 +178746,10 @@ SQLITE_API int sqlite3_config(int op, ...){ ** sqlite3GlobalConfig.xLog = va_arg(ap, void(*)(void*,int,const char*)); */ typedef void(*LOGFUNC_t)(void*,int,const char*); - sqlite3GlobalConfig.xLog = va_arg(ap, LOGFUNC_t); - sqlite3GlobalConfig.pLogArg = va_arg(ap, void*); + LOGFUNC_t xLog = va_arg(ap, LOGFUNC_t); + void *pLogArg = va_arg(ap, void*); + AtomicStore(&sqlite3GlobalConfig.xLog, xLog); + AtomicStore(&sqlite3GlobalConfig.pLogArg, pLogArg); break; } @@ -174630,7 +178763,8 @@ SQLITE_API int sqlite3_config(int op, ...){ ** argument of type int. If non-zero, then URI handling is globally ** enabled. If the parameter is zero, then URI handling is globally ** disabled. */ - sqlite3GlobalConfig.bOpenUri = va_arg(ap, int); + int bOpenUri = va_arg(ap, int); + AtomicStore(&sqlite3GlobalConfig.bOpenUri, bOpenUri); break; } @@ -174906,6 +179040,10 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3 *db){ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ va_list ap; int rc; + +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT; +#endif sqlite3_mutex_enter(db->mutex); va_start(ap, op); switch( op ){ @@ -174945,6 +179083,8 @@ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ { SQLITE_DBCONFIG_DQS_DML, SQLITE_DqsDML }, { SQLITE_DBCONFIG_LEGACY_FILE_FORMAT, SQLITE_LegacyFileFmt }, { SQLITE_DBCONFIG_TRUSTED_SCHEMA, SQLITE_TrustedSchema }, + { SQLITE_DBCONFIG_STMT_SCANSTATUS, SQLITE_StmtScanStatus }, + { SQLITE_DBCONFIG_REVERSE_SCANORDER, SQLITE_ReverseOrder }, }; unsigned int i; rc = SQLITE_ERROR; /* IMP: R-42790-23372 */ @@ -175233,6 +179373,14 @@ static int sqlite3Close(sqlite3 *db, int forceZombie){ } #endif + while( db->pDbData ){ + DbClientData *p = db->pDbData; + db->pDbData = p->pNext; + assert( p->pData!=0 ); + if( p->xDestructor ) p->xDestructor(p->pData); + sqlite3_free(p); + } + /* Convert the connection into a zombie and then close it. */ db->eOpenState = SQLITE_STATE_ZOMBIE; @@ -175650,9 +179798,9 @@ static int sqliteDefaultBusyCallback( void *ptr, /* Database connection */ int count /* Number of times table has been busy */ ){ -#if SQLITE_OS_WIN || HAVE_USLEEP +#if SQLITE_OS_WIN || !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP /* This case is for systems that have support for sleeping for fractions of - ** a second. Examples: All windows systems, unix systems with usleep() */ + ** a second. Examples: All windows systems, unix systems with nanosleep() */ static const u8 delays[] = { 1, 2, 5, 10, 15, 20, 25, 25, 25, 50, 50, 100 }; static const u8 totals[] = @@ -175850,7 +179998,7 @@ SQLITE_PRIVATE int sqlite3CreateFunc( assert( SQLITE_FUNC_CONSTANT==SQLITE_DETERMINISTIC ); assert( SQLITE_FUNC_DIRECT==SQLITE_DIRECTONLY ); extraFlags = enc & (SQLITE_DETERMINISTIC|SQLITE_DIRECTONLY| - SQLITE_SUBTYPE|SQLITE_INNOCUOUS); + SQLITE_SUBTYPE|SQLITE_INNOCUOUS|SQLITE_RESULT_SUBTYPE); enc &= (SQLITE_FUNC_ENCMASK|SQLITE_ANY); /* The SQLITE_INNOCUOUS flag is the same bit as SQLITE_FUNC_UNSAFE. But @@ -176307,6 +180455,12 @@ SQLITE_API void *sqlite3_preupdate_hook( void *pArg /* First callback argument */ ){ void *pRet; + +#ifdef SQLITE_ENABLE_API_ARMOR + if( db==0 ){ + return 0; + } +#endif sqlite3_mutex_enter(db->mutex); pRet = db->pPreUpdateArg; db->xPreUpdateCallback = xCallback; @@ -176453,7 +180607,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( if( eModeSQLITE_CHECKPOINT_TRUNCATE ){ /* EVIDENCE-OF: R-03996-12088 The M parameter must be a valid checkpoint ** mode: */ - return SQLITE_MISUSE; + return SQLITE_MISUSE_BKPT; } sqlite3_mutex_enter(db->mutex); @@ -176930,9 +181084,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( assert( *pzErrMsg==0 ); - if( ((flags & SQLITE_OPEN_URI) /* IMP: R-48725-32206 */ - || sqlite3GlobalConfig.bOpenUri) /* IMP: R-51689-46548 */ - && nUri>=5 && memcmp(zUri, "file:", 5)==0 /* IMP: R-57884-37496 */ + if( ((flags & SQLITE_OPEN_URI) /* IMP: R-48725-32206 */ + || AtomicLoad(&sqlite3GlobalConfig.bOpenUri)) /* IMP: R-51689-46548 */ + && nUri>=5 && memcmp(zUri, "file:", 5)==0 /* IMP: R-57884-37496 */ ){ char *zOpt; int eState; /* Parser state when parsing URI */ @@ -177290,7 +181444,7 @@ static int openDatabase( ** 0 off off ** ** Legacy behavior is 3 (double-quoted string literals are allowed anywhere) -** and so that is the default. But developers are encouranged to use +** and so that is the default. But developers are encouraged to use ** -DSQLITE_DQS=0 (best) or -DSQLITE_DQS=1 (second choice) if possible. */ #if !defined(SQLITE_DQS) @@ -177338,6 +181492,9 @@ static int openDatabase( #endif #if defined(SQLITE_DEFAULT_LEGACY_ALTER_TABLE) | SQLITE_LegacyAlter +#endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) + | SQLITE_StmtScanStatus #endif ; sqlite3HashInit(&db->aCollSeq); @@ -177687,6 +181844,69 @@ SQLITE_API int sqlite3_collation_needed16( } #endif /* SQLITE_OMIT_UTF16 */ +/* +** Find existing client data. +*/ +SQLITE_API void *sqlite3_get_clientdata(sqlite3 *db, const char *zName){ + DbClientData *p; + sqlite3_mutex_enter(db->mutex); + for(p=db->pDbData; p; p=p->pNext){ + if( strcmp(p->zName, zName)==0 ){ + void *pResult = p->pData; + sqlite3_mutex_leave(db->mutex); + return pResult; + } + } + sqlite3_mutex_leave(db->mutex); + return 0; +} + +/* +** Add new client data to a database connection. +*/ +SQLITE_API int sqlite3_set_clientdata( + sqlite3 *db, /* Attach client data to this connection */ + const char *zName, /* Name of the client data */ + void *pData, /* The client data itself */ + void (*xDestructor)(void*) /* Destructor */ +){ + DbClientData *p, **pp; + sqlite3_mutex_enter(db->mutex); + pp = &db->pDbData; + for(p=db->pDbData; p && strcmp(p->zName,zName); p=p->pNext){ + pp = &p->pNext; + } + if( p ){ + assert( p->pData!=0 ); + if( p->xDestructor ) p->xDestructor(p->pData); + if( pData==0 ){ + *pp = p->pNext; + sqlite3_free(p); + sqlite3_mutex_leave(db->mutex); + return SQLITE_OK; + } + }else if( pData==0 ){ + sqlite3_mutex_leave(db->mutex); + return SQLITE_OK; + }else{ + size_t n = strlen(zName); + p = sqlite3_malloc64( sizeof(DbClientData)+n+1 ); + if( p==0 ){ + if( xDestructor ) xDestructor(pData); + sqlite3_mutex_leave(db->mutex); + return SQLITE_NOMEM; + } + memcpy(p->zName, zName, n+1); + p->pNext = db->pDbData; + db->pDbData = p; + } + p->pData = pData; + p->xDestructor = xDestructor; + sqlite3_mutex_leave(db->mutex); + return SQLITE_OK; +} + + #ifndef SQLITE_OMIT_DEPRECATED /* ** This function is now an anachronism. It used to be used to recover from a @@ -177822,7 +182042,7 @@ SQLITE_API int sqlite3_table_column_metadata( /* Find the column for which info is requested */ if( zColumnName==0 ){ - /* Query for existance of table only */ + /* Query for existence of table only */ }else{ for(iCol=0; iColnCol; iCol++){ pCol = &pTab->aCol[iCol]; @@ -177903,7 +182123,7 @@ SQLITE_API int sqlite3_sleep(int ms){ /* This function works in milliseconds, but the underlying OsSleep() ** API uses microseconds. Hence the 1000's. */ - rc = (sqlite3OsSleep(pVfs, 1000*ms)/1000); + rc = (sqlite3OsSleep(pVfs, ms<0 ? 0 : 1000*ms)/1000); return rc; } @@ -178036,6 +182256,28 @@ SQLITE_API int sqlite3_test_control(int op, ...){ } #endif + /* sqlite3_test_control(SQLITE_TESTCTRL_FK_NO_ACTION, sqlite3 *db, int b); + ** + ** If b is true, then activate the SQLITE_FkNoAction setting. If b is + ** false then clearn that setting. If the SQLITE_FkNoAction setting is + ** abled, all foreign key ON DELETE and ON UPDATE actions behave as if + ** they were NO ACTION, regardless of how they are defined. + ** + ** NB: One must usually run "PRAGMA writable_schema=RESET" after + ** using this test-control, before it will take full effect. failing + ** to reset the schema can result in some unexpected behavior. + */ + case SQLITE_TESTCTRL_FK_NO_ACTION: { + sqlite3 *db = va_arg(ap, sqlite3*); + int b = va_arg(ap, int); + if( b ){ + db->flags |= SQLITE_FkNoAction; + }else{ + db->flags &= ~SQLITE_FkNoAction; + } + break; + } + /* ** sqlite3_test_control(BITVEC_TEST, size, program) ** @@ -178142,10 +182384,12 @@ SQLITE_API int sqlite3_test_control(int op, ...){ sqlite3ShowSrcList(0); sqlite3ShowWith(0); sqlite3ShowUpsert(0); +#ifndef SQLITE_OMIT_TRIGGER sqlite3ShowTriggerStep(0); sqlite3ShowTriggerStepList(0); sqlite3ShowTrigger(0); sqlite3ShowTriggerList(0); +#endif #ifndef SQLITE_OMIT_WINDOWFUNC sqlite3ShowWindow(0); sqlite3ShowWinFunc(0); @@ -178262,7 +182506,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** formed and never corrupt. This flag is clear by default, indicating that ** database files might have arbitrary corruption. Setting the flag during ** testing causes certain assert() statements in the code to be activated - ** that demonstrat invariants on well-formed database files. + ** that demonstrate invariants on well-formed database files. */ case SQLITE_TESTCTRL_NEVER_CORRUPT: { sqlite3GlobalConfig.neverCorrupt = va_arg(ap, int); @@ -178416,7 +182660,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** ** op==0 Store the current sqlite3TreeTrace in *ptr ** op==1 Set sqlite3TreeTrace to the value *ptr - ** op==3 Store the current sqlite3WhereTrace in *ptr + ** op==2 Store the current sqlite3WhereTrace in *ptr ** op==3 Set sqlite3WhereTrace to the value *ptr */ case SQLITE_TESTCTRL_TRACEFLAGS: { @@ -178452,6 +182696,23 @@ SQLITE_API int sqlite3_test_control(int op, ...){ break; } +#if !defined(SQLITE_OMIT_WSD) + /* sqlite3_test_control(SQLITE_TESTCTRL_USELONGDOUBLE, int X); + ** + ** X<0 Make no changes to the bUseLongDouble. Just report value. + ** X==0 Disable bUseLongDouble + ** X==1 Enable bUseLongDouble + ** X>=2 Set bUseLongDouble to its default value for this platform + */ + case SQLITE_TESTCTRL_USELONGDOUBLE: { + int b = va_arg(ap, int); + if( b>=2 ) b = hasHighPrecisionDouble(b); + if( b>=0 ) sqlite3Config.bUseLongDouble = b>0; + rc = sqlite3Config.bUseLongDouble!=0; + break; + } +#endif + #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_WSD) /* sqlite3_test_control(SQLITE_TESTCTRL_TUNE, id, *piValue) @@ -178482,6 +182743,28 @@ SQLITE_API int sqlite3_test_control(int op, ...){ break; } #endif + + /* sqlite3_test_control(SQLITE_TESTCTRL_JSON_SELFCHECK, &onOff); + ** + ** Activate or deactivate validation of JSONB that is generated from + ** text. Off by default, as the validation is slow. Validation is + ** only available if compiled using SQLITE_DEBUG. + ** + ** If onOff is initially 1, then turn it on. If onOff is initially + ** off, turn it off. If onOff is initially -1, then change onOff + ** to be the current setting. + */ + case SQLITE_TESTCTRL_JSON_SELFCHECK: { +#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_WSD) + int *pOnOff = va_arg(ap, int*); + if( *pOnOff<0 ){ + *pOnOff = sqlite3Config.bJsonSelfcheck; + }else{ + sqlite3Config.bJsonSelfcheck = (u8)((*pOnOff)&0xff); + } +#endif + break; + } } va_end(ap); #endif /* SQLITE_UNTESTABLE */ @@ -178752,7 +183035,7 @@ SQLITE_API int sqlite3_snapshot_get( } /* -** Open a read-transaction on the snapshot idendified by pSnapshot. +** Open a read-transaction on the snapshot identified by pSnapshot. */ SQLITE_API int sqlite3_snapshot_open( sqlite3 *db, @@ -178859,7 +183142,7 @@ SQLITE_API int sqlite3_compileoption_used(const char *zOptName){ int nOpt; const char **azCompileOpt; -#if SQLITE_ENABLE_API_ARMOR +#ifdef SQLITE_ENABLE_API_ARMOR if( zOptName==0 ){ (void)SQLITE_MISUSE_BKPT; return 0; @@ -179054,6 +183337,9 @@ SQLITE_API int sqlite3_unlock_notify( ){ int rc = SQLITE_OK; +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT; +#endif sqlite3_mutex_enter(db->mutex); enterMutex(); @@ -180075,6 +184361,7 @@ struct Fts3Table { int nPgsz; /* Page size for host database */ char *zSegmentsTbl; /* Name of %_segments table */ sqlite3_blob *pSegments; /* Blob handle open on %_segments table */ + int iSavepoint; /* ** The following array of hash tables is used to buffer pending index @@ -180818,6 +185105,7 @@ static void fts3DeclareVtab(int *pRc, Fts3Table *p){ zLanguageid = (p->zLanguageid ? p->zLanguageid : "__langid"); sqlite3_vtab_config(p->db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1); + sqlite3_vtab_config(p->db, SQLITE_VTAB_INNOCUOUS); /* Create a list of user columns for the virtual table */ zCols = sqlite3_mprintf("%Q, ", p->azColumn[0]); @@ -184067,6 +188355,8 @@ static int fts3RenameMethod( rc = sqlite3Fts3PendingTermsFlush(p); } + p->bIgnoreSavepoint = 1; + if( p->zContentTbl==0 ){ fts3DbExec(&rc, db, "ALTER TABLE %Q.'%q_content' RENAME TO '%q_content';", @@ -184094,6 +188384,8 @@ static int fts3RenameMethod( "ALTER TABLE %Q.'%q_segdir' RENAME TO '%q_segdir';", p->zDb, p->zName, zName ); + + p->bIgnoreSavepoint = 0; return rc; } @@ -184104,12 +188396,28 @@ static int fts3RenameMethod( */ static int fts3SavepointMethod(sqlite3_vtab *pVtab, int iSavepoint){ int rc = SQLITE_OK; - UNUSED_PARAMETER(iSavepoint); - assert( ((Fts3Table *)pVtab)->inTransaction ); - assert( ((Fts3Table *)pVtab)->mxSavepoint <= iSavepoint ); - TESTONLY( ((Fts3Table *)pVtab)->mxSavepoint = iSavepoint ); - if( ((Fts3Table *)pVtab)->bIgnoreSavepoint==0 ){ - rc = fts3SyncMethod(pVtab); + Fts3Table *pTab = (Fts3Table*)pVtab; + assert( pTab->inTransaction ); + assert( pTab->mxSavepoint<=iSavepoint ); + TESTONLY( pTab->mxSavepoint = iSavepoint ); + + if( pTab->bIgnoreSavepoint==0 ){ + if( fts3HashCount(&pTab->aIndex[0].hPending)>0 ){ + char *zSql = sqlite3_mprintf("INSERT INTO %Q.%Q(%Q) VALUES('flush')", + pTab->zDb, pTab->zName, pTab->zName + ); + if( zSql ){ + pTab->bIgnoreSavepoint = 1; + rc = sqlite3_exec(pTab->db, zSql, 0, 0, 0); + pTab->bIgnoreSavepoint = 0; + sqlite3_free(zSql); + }else{ + rc = SQLITE_NOMEM; + } + } + if( rc==SQLITE_OK ){ + pTab->iSavepoint = iSavepoint+1; + } } return rc; } @@ -184120,12 +188428,11 @@ static int fts3SavepointMethod(sqlite3_vtab *pVtab, int iSavepoint){ ** This is a no-op. */ static int fts3ReleaseMethod(sqlite3_vtab *pVtab, int iSavepoint){ - TESTONLY( Fts3Table *p = (Fts3Table*)pVtab ); - UNUSED_PARAMETER(iSavepoint); - UNUSED_PARAMETER(pVtab); - assert( p->inTransaction ); - assert( p->mxSavepoint >= iSavepoint ); - TESTONLY( p->mxSavepoint = iSavepoint-1 ); + Fts3Table *pTab = (Fts3Table*)pVtab; + assert( pTab->inTransaction ); + assert( pTab->mxSavepoint >= iSavepoint ); + TESTONLY( pTab->mxSavepoint = iSavepoint-1 ); + pTab->iSavepoint = iSavepoint; return SQLITE_OK; } @@ -184135,11 +188442,13 @@ static int fts3ReleaseMethod(sqlite3_vtab *pVtab, int iSavepoint){ ** Discard the contents of the pending terms table. */ static int fts3RollbackToMethod(sqlite3_vtab *pVtab, int iSavepoint){ - Fts3Table *p = (Fts3Table*)pVtab; + Fts3Table *pTab = (Fts3Table*)pVtab; UNUSED_PARAMETER(iSavepoint); - assert( p->inTransaction ); - TESTONLY( p->mxSavepoint = iSavepoint ); - sqlite3Fts3PendingTermsClear(p); + assert( pTab->inTransaction ); + TESTONLY( pTab->mxSavepoint = iSavepoint ); + if( (iSavepoint+1)<=pTab->iSavepoint ){ + sqlite3Fts3PendingTermsClear(pTab); + } return SQLITE_OK; } @@ -184158,8 +188467,49 @@ static int fts3ShadowName(const char *zName){ return 0; } +/* +** Implementation of the xIntegrity() method on the FTS3/FTS4 virtual +** table. +*/ +static int fts3Integrity( + sqlite3_vtab *pVtab, /* The virtual table to be checked */ + const char *zSchema, /* Name of schema in which pVtab lives */ + const char *zTabname, /* Name of the pVTab table */ + int isQuick, /* True if this is a quick_check */ + char **pzErr /* Write error message here */ +){ + Fts3Table *p = (Fts3Table*)pVtab; + char *zSql; + int rc; + char *zErr = 0; + + assert( pzErr!=0 ); + assert( *pzErr==0 ); + UNUSED_PARAMETER(isQuick); + zSql = sqlite3_mprintf( + "INSERT INTO \"%w\".\"%w\"(\"%w\") VALUES('integrity-check');", + zSchema, zTabname, zTabname); + if( zSql==0 ){ + return SQLITE_NOMEM; + } + rc = sqlite3_exec(p->db, zSql, 0, 0, &zErr); + sqlite3_free(zSql); + if( (rc&0xff)==SQLITE_CORRUPT ){ + *pzErr = sqlite3_mprintf("malformed inverted index for FTS%d table %s.%s", + p->bFts4 ? 4 : 3, zSchema, zTabname); + }else if( rc!=SQLITE_OK ){ + *pzErr = sqlite3_mprintf("unable to validate the inverted index for" + " FTS%d table %s.%s: %s", + p->bFts4 ? 4 : 3, zSchema, zTabname, zErr); + } + sqlite3_free(zErr); + return SQLITE_OK; +} + + + static const sqlite3_module fts3Module = { - /* iVersion */ 3, + /* iVersion */ 4, /* xCreate */ fts3CreateMethod, /* xConnect */ fts3ConnectMethod, /* xBestIndex */ fts3BestIndexMethod, @@ -184183,6 +188533,7 @@ static const sqlite3_module fts3Module = { /* xRelease */ fts3ReleaseMethod, /* xRollbackTo */ fts3RollbackToMethod, /* xShadowName */ fts3ShadowName, + /* xIntegrity */ fts3Integrity, }; /* @@ -186858,7 +191209,8 @@ SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db){ 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; int rc; /* Return code */ @@ -190424,7 +194776,8 @@ SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash, void(*xDestr 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; int rc; /* Return code */ @@ -193765,7 +198118,6 @@ SQLITE_PRIVATE int sqlite3Fts3PendingTermsFlush(Fts3Table *p){ rc = fts3SegmentMerge(p, p->iPrevLangid, i, FTS3_SEGCURSOR_PENDING); if( rc==SQLITE_DONE ) rc = SQLITE_OK; } - sqlite3Fts3PendingTermsClear(p); /* Determine the auto-incr-merge setting if unknown. If enabled, ** estimate the number of leaf blocks of content to be written @@ -193787,6 +198139,10 @@ SQLITE_PRIVATE int sqlite3Fts3PendingTermsFlush(Fts3Table *p){ rc = sqlite3_reset(pStmt); } } + + if( rc==SQLITE_OK ){ + sqlite3Fts3PendingTermsClear(p); + } return rc; } @@ -194418,6 +198774,8 @@ static int fts3AppendToNode( blobGrowBuffer(pPrev, nTerm, &rc); if( rc!=SQLITE_OK ) return rc; + assert( pPrev!=0 ); + assert( pPrev->a!=0 ); nPrefix = fts3PrefixCompress(pPrev->a, pPrev->n, zTerm, nTerm); nSuffix = nTerm - nPrefix; @@ -194474,9 +198832,13 @@ static int fts3IncrmergeAppend( nSpace += sqlite3Fts3VarintLen(nDoclist) + nDoclist; /* If the current block is not empty, and if adding this term/doclist - ** to the current block would make it larger than Fts3Table.nNodeSize - ** bytes, write this block out to the database. */ - if( pLeaf->block.n>0 && (pLeaf->block.n + nSpace)>p->nNodeSize ){ + ** to the current block would make it larger than Fts3Table.nNodeSize bytes, + ** and if there is still room for another leaf page, write this block out to + ** the database. */ + if( pLeaf->block.n>0 + && (pLeaf->block.n + nSpace)>p->nNodeSize + && pLeaf->iBlock < (pWriter->iStart + pWriter->nLeafEst) + ){ rc = fts3WriteSegment(p, pLeaf->iBlock, pLeaf->block.a, pLeaf->block.n); pWriter->nWork++; @@ -194787,6 +199149,7 @@ static int fts3IncrmergeLoad( for(i=nHeight; i>=0 && rc==SQLITE_OK; i--){ NodeReader reader; + memset(&reader, 0, sizeof(reader)); pNode = &pWriter->aNodeWriter[i]; if( pNode->block.a){ @@ -194807,7 +199170,7 @@ static int fts3IncrmergeLoad( rc = sqlite3Fts3ReadBlock(p, reader.iChild, &aBlock, &nBlock,0); blobGrowBuffer(&pNode->block, MAX(nBlock, p->nNodeSize)+FTS3_NODE_PADDING, &rc - ); + ); if( rc==SQLITE_OK ){ memcpy(pNode->block.a, aBlock, nBlock); pNode->block.n = nBlock; @@ -195657,7 +200020,7 @@ static u64 fts3ChecksumIndex( int rc; u64 cksum = 0; - assert( *pRc==SQLITE_OK ); + if( *pRc ) return 0; memset(&filter, 0, sizeof(filter)); memset(&csr, 0, sizeof(csr)); @@ -195872,8 +200235,11 @@ static int fts3SpecialInsert(Fts3Table *p, sqlite3_value *pVal){ rc = fts3DoIncrmerge(p, &zVal[6]); }else if( nVal>10 && 0==sqlite3_strnicmp(zVal, "automerge=", 10) ){ rc = fts3DoAutoincrmerge(p, &zVal[10]); + }else if( nVal==5 && 0==sqlite3_strnicmp(zVal, "flush", 5) ){ + rc = sqlite3Fts3PendingTermsFlush(p); + } #if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) - }else{ + else{ int v; if( nVal>9 && 0==sqlite3_strnicmp(zVal, "nodesize=", 9) ){ v = atoi(&zVal[9]); @@ -195891,8 +200257,8 @@ static int fts3SpecialInsert(Fts3Table *p, sqlite3_value *pVal){ if( v>=4 && v<=FTS3_MERGE_COUNT && (v&1)==0 ) p->nMergeCount = v; rc = SQLITE_OK; } -#endif } +#endif return rc; } @@ -198813,59 +203179,242 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ ** ****************************************************************************** ** -** This SQLite JSON functions. +** SQLite JSON functions. ** ** This file began as an extension in ext/misc/json1.c in 2015. That ** extension proved so useful that it has now been moved into the core. ** -** For the time being, all JSON is stored as pure text. (We might add -** a JSONB type in the future which stores a binary encoding of JSON in -** a BLOB, but there is no support for JSONB in the current implementation. -** This implementation parses JSON text at 250 MB/s, so it is hard to see -** how JSONB might improve on that.) +** The original design stored all JSON as pure text, canonical RFC-8259. +** Support for JSON-5 extensions was added with version 3.42.0 (2023-05-16). +** All generated JSON text still conforms strictly to RFC-8259, but text +** with JSON-5 extensions is accepted as input. +** +** Beginning with version 3.45.0 (circa 2024-01-01), these routines also +** accept BLOB values that have JSON encoded using a binary representation +** called "JSONB". The name JSONB comes from PostgreSQL, however the on-disk +** format SQLite JSONB is completely different and incompatible with +** PostgreSQL JSONB. +** +** Decoding and interpreting JSONB is still O(N) where N is the size of +** the input, the same as text JSON. However, the constant of proportionality +** for JSONB is much smaller due to faster parsing. The size of each +** element in JSONB is encoded in its header, so there is no need to search +** for delimiters using persnickety syntax rules. JSONB seems to be about +** 3x faster than text JSON as a result. JSONB is also tends to be slightly +** smaller than text JSON, by 5% or 10%, but there are corner cases where +** JSONB can be slightly larger. So you are not far mistaken to say that +** a JSONB blob is the same size as the equivalent RFC-8259 text. +** +** +** THE JSONB ENCODING: +** +** Every JSON element is encoded in JSONB as a header and a payload. +** The header is between 1 and 9 bytes in size. The payload is zero +** or more bytes. +** +** The lower 4 bits of the first byte of the header determines the +** element type: +** +** 0: NULL +** 1: TRUE +** 2: FALSE +** 3: INT -- RFC-8259 integer literal +** 4: INT5 -- JSON5 integer literal +** 5: FLOAT -- RFC-8259 floating point literal +** 6: FLOAT5 -- JSON5 floating point literal +** 7: TEXT -- Text literal acceptable to both SQL and JSON +** 8: TEXTJ -- Text containing RFC-8259 escapes +** 9: TEXT5 -- Text containing JSON5 and/or RFC-8259 escapes +** 10: TEXTRAW -- Text containing unescaped syntax characters +** 11: ARRAY +** 12: OBJECT +** +** The other three possible values (13-15) are reserved for future +** enhancements. +** +** The upper 4 bits of the first byte determine the size of the header +** and sometimes also the size of the payload. If X is the first byte +** of the element and if X>>4 is between 0 and 11, then the payload +** will be that many bytes in size and the header is exactly one byte +** in size. Other four values for X>>4 (12-15) indicate that the header +** is more than one byte in size and that the payload size is determined +** by the remainder of the header, interpreted as a unsigned big-endian +** integer. +** +** Value of X>>4 Size integer Total header size +** ------------- -------------------- ----------------- +** 12 1 byte (0-255) 2 +** 13 2 byte (0-65535) 3 +** 14 4 byte (0-4294967295) 5 +** 15 8 byte (0-1.8e19) 9 +** +** The payload size need not be expressed in its minimal form. For example, +** if the payload size is 10, the size can be expressed in any of 5 different +** ways: (1) (X>>4)==10, (2) (X>>4)==12 following by on 0x0a byte, +** (3) (X>>4)==13 followed by 0x00 and 0x0a, (4) (X>>4)==14 followed by +** 0x00 0x00 0x00 0x0a, or (5) (X>>4)==15 followed by 7 bytes of 0x00 and +** a single byte of 0x0a. The shorter forms are preferred, of course, but +** sometimes when generating JSONB, the payload size is not known in advance +** and it is convenient to reserve sufficient header space to cover the +** largest possible payload size and then come back later and patch up +** the size when it becomes known, resulting in a non-minimal encoding. +** +** The value (X>>4)==15 is not actually used in the current implementation +** (as SQLite is currently unable handle BLOBs larger than about 2GB) +** but is included in the design to allow for future enhancements. +** +** The payload follows the header. NULL, TRUE, and FALSE have no payload and +** their payload size must always be zero. The payload for INT, INT5, +** FLOAT, FLOAT5, TEXT, TEXTJ, TEXT5, and TEXTROW is text. Note that the +** "..." or '...' delimiters are omitted from the various text encodings. +** The payload for ARRAY and OBJECT is a list of additional elements that +** are the content for the array or object. The payload for an OBJECT +** must be an even number of elements. The first element of each pair is +** the label and must be of type TEXT, TEXTJ, TEXT5, or TEXTRAW. +** +** A valid JSONB blob consists of a single element, as described above. +** Usually this will be an ARRAY or OBJECT element which has many more +** elements as its content. But the overall blob is just a single element. +** +** Input validation for JSONB blobs simply checks that the element type +** code is between 0 and 12 and that the total size of the element +** (header plus payload) is the same as the size of the BLOB. If those +** checks are true, the BLOB is assumed to be JSONB and processing continues. +** Errors are only raised if some other miscoding is discovered during +** processing. +** +** Additional information can be found in the doc/jsonb.md file of the +** canonical SQLite source tree. */ #ifndef SQLITE_OMIT_JSON /* #include "sqliteInt.h" */ +/* JSONB element types +*/ +#define JSONB_NULL 0 /* "null" */ +#define JSONB_TRUE 1 /* "true" */ +#define JSONB_FALSE 2 /* "false" */ +#define JSONB_INT 3 /* integer acceptable to JSON and SQL */ +#define JSONB_INT5 4 /* integer in 0x000 notation */ +#define JSONB_FLOAT 5 /* float acceptable to JSON and SQL */ +#define JSONB_FLOAT5 6 /* float with JSON5 extensions */ +#define JSONB_TEXT 7 /* Text compatible with both JSON and SQL */ +#define JSONB_TEXTJ 8 /* Text with JSON escapes */ +#define JSONB_TEXT5 9 /* Text with JSON-5 escape */ +#define JSONB_TEXTRAW 10 /* SQL text that needs escaping for JSON */ +#define JSONB_ARRAY 11 /* An array */ +#define JSONB_OBJECT 12 /* An object */ + +/* Human-readable names for the JSONB values. The index for each +** string must correspond to the JSONB_* integer above. +*/ +static const char * const jsonbType[] = { + "null", "true", "false", "integer", "integer", + "real", "real", "text", "text", "text", + "text", "array", "object", "", "", "", "" +}; + /* ** Growing our own isspace() routine this way is twice as fast as ** the library isspace() function, resulting in a 7% overall performance -** increase for the parser. (Ubuntu14.10 gcc 4.8.4 x64 with -Os). +** increase for the text-JSON parser. (Ubuntu14.10 gcc 4.8.4 x64 with -Os). */ static const char jsonIsSpace[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -}; -#define fast_isspace(x) (jsonIsSpace[(unsigned char)x]) + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -#if !defined(SQLITE_DEBUG) && !defined(SQLITE_COVERAGE_TEST) -# define VVA(X) -#else -# define VVA(X) X -#endif + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +#define jsonIsspace(x) (jsonIsSpace[(unsigned char)x]) + +/* +** The set of all space characters recognized by jsonIsspace(). +** Useful as the second argument to strspn(). +*/ +static const char jsonSpaces[] = "\011\012\015\040"; + +/* +** Characters that are special to JSON. Control characters, +** '"' and '\\' and '\''. Actually, '\'' is not special to +** canonical JSON, but it is special in JSON-5, so we include +** it in the set of special characters. +*/ +static const char jsonIsOk[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 +}; /* Objects */ +typedef struct JsonCache JsonCache; typedef struct JsonString JsonString; -typedef struct JsonNode JsonNode; typedef struct JsonParse JsonParse; +/* +** Magic number used for the JSON parse cache in sqlite3_get_auxdata() +*/ +#define JSON_CACHE_ID (-429938) /* Cache entry */ +#define JSON_CACHE_SIZE 4 /* Max number of cache entries */ + +/* +** jsonUnescapeOneChar() returns this invalid code point if it encounters +** a syntax error. +*/ +#define JSON_INVALID_CHAR 0x99999 + +/* A cache mapping JSON text into JSONB blobs. +** +** Each cache entry is a JsonParse object with the following restrictions: +** +** * The bReadOnly flag must be set +** +** * The aBlob[] array must be owned by the JsonParse object. In other +** words, nBlobAlloc must be non-zero. +** +** * eEdit and delta must be zero. +** +** * zJson must be an RCStr. In other words bJsonIsRCStr must be true. +*/ +struct JsonCache { + sqlite3 *db; /* Database connection */ + int nUsed; /* Number of active entries in the cache */ + JsonParse *a[JSON_CACHE_SIZE]; /* One line for each cache entry */ +}; + /* An instance of this object represents a JSON string ** under construction. Really, this is a generic string accumulator ** that can be and is used to create strings other than JSON. +** +** If the generated string is longer than will fit into the zSpace[] buffer, +** then it will be an RCStr string. This aids with caching of large +** JSON strings. */ struct JsonString { sqlite3_context *pCtx; /* Function context - put error messages here */ @@ -198873,89 +203422,227 @@ struct JsonString { u64 nAlloc; /* Bytes of storage available in zBuf[] */ u64 nUsed; /* Bytes of zBuf[] currently used */ u8 bStatic; /* True if zBuf is static space */ - u8 bErr; /* True if an error has been encountered */ + u8 eErr; /* True if an error has been encountered */ char zSpace[100]; /* Initial static space */ }; -/* JSON type values -*/ -#define JSON_NULL 0 -#define JSON_TRUE 1 -#define JSON_FALSE 2 -#define JSON_INT 3 -#define JSON_REAL 4 -#define JSON_STRING 5 -#define JSON_ARRAY 6 -#define JSON_OBJECT 7 +/* Allowed values for JsonString.eErr */ +#define JSTRING_OOM 0x01 /* Out of memory */ +#define JSTRING_MALFORMED 0x02 /* Malformed JSONB */ +#define JSTRING_ERR 0x04 /* Error already sent to sqlite3_result */ -/* The "subtype" set for JSON values */ +/* The "subtype" set for text JSON values passed through using +** sqlite3_result_subtype() and sqlite3_value_subtype(). +*/ #define JSON_SUBTYPE 74 /* Ascii for "J" */ /* -** Names of the various JSON types: +** Bit values for the flags passed into various SQL function implementations +** via the sqlite3_user_data() value. */ -static const char * const jsonType[] = { - "null", "true", "false", "integer", "real", "text", "array", "object" -}; - -/* Bit values for the JsonNode.jnFlag field -*/ -#define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ -#define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ -#define JNODE_REMOVE 0x04 /* Do not output */ -#define JNODE_REPLACE 0x08 /* Replace with JsonNode.u.iReplace */ -#define JNODE_PATCH 0x10 /* Patch with JsonNode.u.pPatch */ -#define JNODE_APPEND 0x20 /* More ARRAY/OBJECT entries at u.iAppend */ -#define JNODE_LABEL 0x40 /* Is a label of an object */ +#define JSON_JSON 0x01 /* Result is always JSON */ +#define JSON_SQL 0x02 /* Result is always SQL */ +#define JSON_ABPATH 0x03 /* Allow abbreviated JSON path specs */ +#define JSON_ISSET 0x04 /* json_set(), not json_insert() */ +#define JSON_BLOB 0x08 /* Use the BLOB output format */ -/* A single node of parsed JSON -*/ -struct JsonNode { - u8 eType; /* One of the JSON_ type values */ - u8 jnFlags; /* JNODE flags */ - u8 eU; /* Which union element to use */ - u32 n; /* Bytes of content, or number of sub-nodes */ - union { - const char *zJContent; /* 1: Content for INT, REAL, and STRING */ - u32 iAppend; /* 2: More terms for ARRAY and OBJECT */ - u32 iKey; /* 3: Key for ARRAY objects in json_tree() */ - u32 iReplace; /* 4: Replacement content for JNODE_REPLACE */ - JsonNode *pPatch; /* 5: Node chain of patch for JNODE_PATCH */ - } u; -}; - -/* A completely parsed JSON string +/* A parsed JSON value. Lifecycle: +** +** 1. JSON comes in and is parsed into a JSONB value in aBlob. The +** original text is stored in zJson. This step is skipped if the +** input is JSONB instead of text JSON. +** +** 2. The aBlob[] array is searched using the JSON path notation, if needed. +** +** 3. Zero or more changes are made to aBlob[] (via json_remove() or +** json_replace() or json_patch() or similar). +** +** 4. New JSON text is generated from the aBlob[] for output. This step +** is skipped if the function is one of the jsonb_* functions that +** returns JSONB instead of text JSON. */ struct JsonParse { - u32 nNode; /* Number of slots of aNode[] used */ - u32 nAlloc; /* Number of slots of aNode[] allocated */ - JsonNode *aNode; /* Array of nodes containing the parse */ - const char *zJson; /* Original JSON string */ - u32 *aUp; /* Index of parent of each node */ - u8 oom; /* Set to true if out of memory */ - u8 nErr; /* Number of errors seen */ - u16 iDepth; /* Nesting depth */ + u8 *aBlob; /* JSONB representation of JSON value */ + u32 nBlob; /* Bytes of aBlob[] actually used */ + u32 nBlobAlloc; /* Bytes allocated to aBlob[]. 0 if aBlob is external */ + char *zJson; /* Json text used for parsing */ + sqlite3 *db; /* The database connection to which this object belongs */ int nJson; /* Length of the zJson string in bytes */ - u32 iHold; /* Replace cache line with the lowest iHold value */ + u32 nJPRef; /* Number of references to this object */ + u32 iErr; /* Error location in zJson[] */ + u16 iDepth; /* Nesting depth */ + u8 nErr; /* Number of errors seen */ + u8 oom; /* Set to true if out of memory */ + u8 bJsonIsRCStr; /* True if zJson is an RCStr */ + u8 hasNonstd; /* True if input uses non-standard features like JSON5 */ + u8 bReadOnly; /* Do not modify. */ + /* Search and edit information. See jsonLookupStep() */ + u8 eEdit; /* Edit operation to apply */ + int delta; /* Size change due to the edit */ + u32 nIns; /* Number of bytes to insert */ + u32 iLabel; /* Location of label if search landed on an object value */ + u8 *aIns; /* Content to be inserted */ }; +/* Allowed values for JsonParse.eEdit */ +#define JEDIT_DEL 1 /* Delete if exists */ +#define JEDIT_REPL 2 /* Overwrite if exists */ +#define JEDIT_INS 3 /* Insert if not exists */ +#define JEDIT_SET 4 /* Insert or overwrite */ + /* ** Maximum nesting depth of JSON for this implementation. ** ** This limit is needed to avoid a stack overflow in the recursive -** descent parser. A depth of 2000 is far deeper than any sane JSON -** should go. +** descent parser. A depth of 1000 is far deeper than any sane JSON +** should go. Historical note: This limit was 2000 prior to version 3.42.0 */ -#define JSON_MAX_DEPTH 2000 +#ifndef SQLITE_JSON_MAX_DEPTH +# define JSON_MAX_DEPTH 1000 +#else +# define JSON_MAX_DEPTH SQLITE_JSON_MAX_DEPTH +#endif + +/* +** Allowed values for the flgs argument to jsonParseFuncArg(); +*/ +#define JSON_EDITABLE 0x01 /* Generate a writable JsonParse object */ +#define JSON_KEEPERROR 0x02 /* Return non-NULL even if there is an error */ + +/************************************************************************** +** Forward references +**************************************************************************/ +static void jsonReturnStringAsBlob(JsonString*); +static int jsonFuncArgMightBeBinary(sqlite3_value *pJson); +static u32 jsonTranslateBlobToText(const JsonParse*,u32,JsonString*); +static void jsonReturnParse(sqlite3_context*,JsonParse*); +static JsonParse *jsonParseFuncArg(sqlite3_context*,sqlite3_value*,u32); +static void jsonParseFree(JsonParse*); +static u32 jsonbPayloadSize(const JsonParse*, u32, u32*); +static u32 jsonUnescapeOneChar(const char*, u32, u32*); + +/************************************************************************** +** Utility routines for dealing with JsonCache objects +**************************************************************************/ + +/* +** Free a JsonCache object. +*/ +static void jsonCacheDelete(JsonCache *p){ + int i; + for(i=0; inUsed; i++){ + jsonParseFree(p->a[i]); + } + sqlite3DbFree(p->db, p); +} +static void jsonCacheDeleteGeneric(void *p){ + jsonCacheDelete((JsonCache*)p); +} + +/* +** Insert a new entry into the cache. If the cache is full, expel +** the least recently used entry. Return SQLITE_OK on success or a +** result code otherwise. +** +** Cache entries are stored in age order, oldest first. +*/ +static int jsonCacheInsert( + sqlite3_context *ctx, /* The SQL statement context holding the cache */ + JsonParse *pParse /* The parse object to be added to the cache */ +){ + JsonCache *p; + + assert( pParse->zJson!=0 ); + assert( pParse->bJsonIsRCStr ); + assert( pParse->delta==0 ); + p = sqlite3_get_auxdata(ctx, JSON_CACHE_ID); + if( p==0 ){ + sqlite3 *db = sqlite3_context_db_handle(ctx); + p = sqlite3DbMallocZero(db, sizeof(*p)); + if( p==0 ) return SQLITE_NOMEM; + p->db = db; + sqlite3_set_auxdata(ctx, JSON_CACHE_ID, p, jsonCacheDeleteGeneric); + p = sqlite3_get_auxdata(ctx, JSON_CACHE_ID); + if( p==0 ) return SQLITE_NOMEM; + } + if( p->nUsed >= JSON_CACHE_SIZE ){ + jsonParseFree(p->a[0]); + memmove(p->a, &p->a[1], (JSON_CACHE_SIZE-1)*sizeof(p->a[0])); + p->nUsed = JSON_CACHE_SIZE-1; + } + assert( pParse->nBlobAlloc>0 ); + pParse->eEdit = 0; + pParse->nJPRef++; + pParse->bReadOnly = 1; + p->a[p->nUsed] = pParse; + p->nUsed++; + return SQLITE_OK; +} + +/* +** Search for a cached translation the json text supplied by pArg. Return +** the JsonParse object if found. Return NULL if not found. +** +** When a match if found, the matching entry is moved to become the +** most-recently used entry if it isn't so already. +** +** The JsonParse object returned still belongs to the Cache and might +** be deleted at any moment. If the caller whants the JsonParse to +** linger, it needs to increment the nPJRef reference counter. +*/ +static JsonParse *jsonCacheSearch( + sqlite3_context *ctx, /* The SQL statement context holding the cache */ + sqlite3_value *pArg /* Function argument containing SQL text */ +){ + JsonCache *p; + int i; + const char *zJson; + int nJson; + + if( sqlite3_value_type(pArg)!=SQLITE_TEXT ){ + return 0; + } + zJson = (const char*)sqlite3_value_text(pArg); + if( zJson==0 ) return 0; + nJson = sqlite3_value_bytes(pArg); + + p = sqlite3_get_auxdata(ctx, JSON_CACHE_ID); + if( p==0 ){ + return 0; + } + for(i=0; inUsed; i++){ + if( p->a[i]->zJson==zJson ) break; + } + if( i>=p->nUsed ){ + for(i=0; inUsed; i++){ + if( p->a[i]->nJson!=nJson ) continue; + if( memcmp(p->a[i]->zJson, zJson, nJson)==0 ) break; + } + } + if( inUsed ){ + if( inUsed-1 ){ + /* Make the matching entry the most recently used entry */ + JsonParse *tmp = p->a[i]; + memmove(&p->a[i], &p->a[i+1], (p->nUsed-i-1)*sizeof(tmp)); + p->a[p->nUsed-1] = tmp; + i = p->nUsed - 1; + } + assert( p->a[i]->delta==0 ); + return p->a[i]; + }else{ + return 0; + } +} /************************************************************************** ** Utility routines for dealing with JsonString objects **************************************************************************/ -/* Set the JsonString object to an empty string +/* Turn uninitialized bulk memory into a valid JsonString object +** holding a zero-length string. */ -static void jsonZero(JsonString *p){ +static void jsonStringZero(JsonString *p){ p->zBuf = p->zSpace; p->nAlloc = sizeof(p->zSpace); p->nUsed = 0; @@ -198964,53 +203651,51 @@ static void jsonZero(JsonString *p){ /* Initialize the JsonString object */ -static void jsonInit(JsonString *p, sqlite3_context *pCtx){ +static void jsonStringInit(JsonString *p, sqlite3_context *pCtx){ p->pCtx = pCtx; - p->bErr = 0; - jsonZero(p); + p->eErr = 0; + jsonStringZero(p); } - /* Free all allocated memory and reset the JsonString object back to its ** initial state. */ -static void jsonReset(JsonString *p){ - if( !p->bStatic ) sqlite3_free(p->zBuf); - jsonZero(p); +static void jsonStringReset(JsonString *p){ + if( !p->bStatic ) sqlite3RCStrUnref(p->zBuf); + jsonStringZero(p); } - /* Report an out-of-memory (OOM) condition */ -static void jsonOom(JsonString *p){ - p->bErr = 1; - sqlite3_result_error_nomem(p->pCtx); - jsonReset(p); +static void jsonStringOom(JsonString *p){ + p->eErr |= JSTRING_OOM; + if( p->pCtx ) sqlite3_result_error_nomem(p->pCtx); + jsonStringReset(p); } /* Enlarge pJson->zBuf so that it can hold at least N more bytes. ** Return zero on success. Return non-zero on an OOM error */ -static int jsonGrow(JsonString *p, u32 N){ +static int jsonStringGrow(JsonString *p, u32 N){ u64 nTotal = NnAlloc ? p->nAlloc*2 : p->nAlloc+N+10; char *zNew; if( p->bStatic ){ - if( p->bErr ) return 1; - zNew = sqlite3_malloc64(nTotal); + if( p->eErr ) return 1; + zNew = sqlite3RCStrNew(nTotal); if( zNew==0 ){ - jsonOom(p); + jsonStringOom(p); return SQLITE_NOMEM; } memcpy(zNew, p->zBuf, (size_t)p->nUsed); p->zBuf = zNew; p->bStatic = 0; }else{ - zNew = sqlite3_realloc64(p->zBuf, nTotal); - if( zNew==0 ){ - jsonOom(p); + p->zBuf = sqlite3RCStrResize(p->zBuf, nTotal); + if( p->zBuf==0 ){ + p->eErr |= JSTRING_OOM; + jsonStringZero(p); return SQLITE_NOMEM; } - p->zBuf = zNew; } p->nAlloc = nTotal; return SQLITE_OK; @@ -199018,18 +203703,41 @@ static int jsonGrow(JsonString *p, u32 N){ /* Append N bytes from zIn onto the end of the JsonString string. */ -static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ - if( N==0 ) return; - if( (N+p->nUsed >= p->nAlloc) && jsonGrow(p,N)!=0 ) return; +static SQLITE_NOINLINE void jsonStringExpandAndAppend( + JsonString *p, + const char *zIn, + u32 N +){ + assert( N>0 ); + if( jsonStringGrow(p,N) ) return; memcpy(p->zBuf+p->nUsed, zIn, N); p->nUsed += N; } +static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ + if( N==0 ) return; + if( N+p->nUsed >= p->nAlloc ){ + jsonStringExpandAndAppend(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} +static void jsonAppendRawNZ(JsonString *p, const char *zIn, u32 N){ + assert( N>0 ); + if( N+p->nUsed >= p->nAlloc ){ + jsonStringExpandAndAppend(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} + /* Append formatted text (not to exceed N bytes) to the JsonString. */ static void jsonPrintf(int N, JsonString *p, const char *zFormat, ...){ va_list ap; - if( (p->nUsed + N >= p->nAlloc) && jsonGrow(p, N) ) return; + if( (p->nUsed + N >= p->nAlloc) && jsonStringGrow(p, N) ) return; va_start(ap, zFormat); sqlite3_vsnprintf(N, p->zBuf+p->nUsed, zFormat, ap); va_end(ap); @@ -199038,10 +203746,28 @@ static void jsonPrintf(int N, JsonString *p, const char *zFormat, ...){ /* Append a single character */ -static void jsonAppendChar(JsonString *p, char c){ - if( p->nUsed>=p->nAlloc && jsonGrow(p,1)!=0 ) return; +static SQLITE_NOINLINE void jsonAppendCharExpand(JsonString *p, char c){ + if( jsonStringGrow(p,1) ) return; p->zBuf[p->nUsed++] = c; } +static void jsonAppendChar(JsonString *p, char c){ + if( p->nUsed>=p->nAlloc ){ + jsonAppendCharExpand(p,c); + }else{ + p->zBuf[p->nUsed++] = c; + } +} + +/* Make sure there is a zero terminator on p->zBuf[] +** +** Return true on success. Return false if an OOM prevents this +** from happening. +*/ +static int jsonStringTerminate(JsonString *p){ + jsonAppendChar(p, 0); + p->nUsed--; + return p->eErr==0; +} /* Append a comma separator to the output buffer, if the previous ** character is not '[' or '{'. @@ -199050,25 +203776,76 @@ static void jsonAppendSeparator(JsonString *p){ char c; if( p->nUsed==0 ) return; c = p->zBuf[p->nUsed-1]; - if( c!='[' && c!='{' ) jsonAppendChar(p, ','); + if( c=='[' || c=='{' ) return; + jsonAppendChar(p, ','); } /* Append the N-byte string in zIn to the end of the JsonString string -** under construction. Enclose the string in "..." and escape -** any double-quotes or backslash characters contained within the +** under construction. Enclose the string in double-quotes ("...") and +** escape any double-quotes or backslash characters contained within the ** string. +** +** This routine is a high-runner. There is a measurable performance +** increase associated with unwinding the jsonIsOk[] loop. */ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ - u32 i; - if( zIn==0 || ((N+p->nUsed+2 >= p->nAlloc) && jsonGrow(p,N+2)!=0) ) return; + u32 k; + u8 c; + const u8 *z = (const u8*)zIn; + if( z==0 ) return; + if( (N+p->nUsed+2 >= p->nAlloc) && jsonStringGrow(p,N+2)!=0 ) return; p->zBuf[p->nUsed++] = '"'; - for(i=0; i=N ){ + while( k=N ){ + if( k>0 ){ + memcpy(&p->zBuf[p->nUsed], z, k); + p->nUsed += k; + } + break; + } + if( k>0 ){ + memcpy(&p->zBuf[p->nUsed], z, k); + p->nUsed += k; + z += k; + N -= k; + } + c = z[0]; if( c=='"' || c=='\\' ){ json_simple_escape: - if( (p->nUsed+N+3-i > p->nAlloc) && jsonGrow(p,N+3-i)!=0 ) return; + if( (p->nUsed+N+3 > p->nAlloc) && jsonStringGrow(p,N+3)!=0 ) return; p->zBuf[p->nUsed++] = '\\'; - }else if( c<=0x1f ){ + p->zBuf[p->nUsed++] = c; + }else if( c=='\'' ){ + p->zBuf[p->nUsed++] = c; + }else{ static const char aSpecial[] = { 0, 0, 0, 0, 0, 0, 0, 0, 'b', 't', 'n', 0, 'f', 'r', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 @@ -199079,39 +203856,44 @@ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ assert( aSpecial['\n']=='n' ); assert( aSpecial['\r']=='r' ); assert( aSpecial['\t']=='t' ); + assert( c>=0 && cnUsed+N+7+i > p->nAlloc) && jsonGrow(p,N+7-i)!=0 ) return; + if( (p->nUsed+N+7 > p->nAlloc) && jsonStringGrow(p,N+7)!=0 ) return; p->zBuf[p->nUsed++] = '\\'; p->zBuf[p->nUsed++] = 'u'; p->zBuf[p->nUsed++] = '0'; p->zBuf[p->nUsed++] = '0'; - p->zBuf[p->nUsed++] = '0' + (c>>4); - c = "0123456789abcdef"[c&0xf]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c>>4]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c&0xf]; } - p->zBuf[p->nUsed++] = c; + z++; + N--; } p->zBuf[p->nUsed++] = '"'; assert( p->nUsednAlloc ); } /* -** Append a function parameter value to the JSON string under -** construction. +** Append an sqlite3_value (such as a function parameter) to the JSON +** string under construction in p. */ -static void jsonAppendValue( +static void jsonAppendSqlValue( JsonString *p, /* Append to this JSON string */ sqlite3_value *pValue /* Value to append */ ){ switch( sqlite3_value_type(pValue) ){ case SQLITE_NULL: { - jsonAppendRaw(p, "null", 4); + jsonAppendRawNZ(p, "null", 4); break; } - case SQLITE_INTEGER: case SQLITE_FLOAT: { + jsonPrintf(100, p, "%!0.15g", sqlite3_value_double(pValue)); + break; + } + case SQLITE_INTEGER: { const char *z = (const char*)sqlite3_value_text(pValue); u32 n = (u32)sqlite3_value_bytes(pValue); jsonAppendRaw(p, z, n); @@ -199128,184 +203910,127 @@ static void jsonAppendValue( break; } default: { - if( p->bErr==0 ){ + if( jsonFuncArgMightBeBinary(pValue) ){ + JsonParse px; + memset(&px, 0, sizeof(px)); + px.aBlob = (u8*)sqlite3_value_blob(pValue); + px.nBlob = sqlite3_value_bytes(pValue); + jsonTranslateBlobToText(&px, 0, p); + }else if( p->eErr==0 ){ sqlite3_result_error(p->pCtx, "JSON cannot hold BLOB values", -1); - p->bErr = 2; - jsonReset(p); + p->eErr = JSTRING_ERR; + jsonStringReset(p); } break; } } } - -/* Make the JSON in p the result of the SQL function. +/* Make the text in p (which is probably a generated JSON text string) +** the result of the SQL function. +** +** The JsonString is reset. +** +** If pParse and ctx are both non-NULL, then the SQL string in p is +** loaded into the zJson field of the pParse object as a RCStr and the +** pParse is added to the cache. */ -static void jsonResult(JsonString *p){ - if( p->bErr==0 ){ - sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, - p->bStatic ? SQLITE_TRANSIENT : sqlite3_free, - SQLITE_UTF8); - jsonZero(p); +static void jsonReturnString( + JsonString *p, /* String to return */ + JsonParse *pParse, /* JSONB source or NULL */ + sqlite3_context *ctx /* Where to cache */ +){ + assert( (pParse!=0)==(ctx!=0) ); + assert( ctx==0 || ctx==p->pCtx ); + if( p->eErr==0 ){ + int flags = SQLITE_PTR_TO_INT(sqlite3_user_data(p->pCtx)); + if( flags & JSON_BLOB ){ + jsonReturnStringAsBlob(p); + }else if( p->bStatic ){ + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + SQLITE_TRANSIENT, SQLITE_UTF8); + }else if( jsonStringTerminate(p) ){ + if( pParse && pParse->bJsonIsRCStr==0 && pParse->nBlobAlloc>0 ){ + int rc; + pParse->zJson = sqlite3RCStrRef(p->zBuf); + pParse->nJson = p->nUsed; + pParse->bJsonIsRCStr = 1; + rc = jsonCacheInsert(ctx, pParse); + if( rc==SQLITE_NOMEM ){ + sqlite3_result_error_nomem(ctx); + jsonStringReset(p); + return; + } + } + sqlite3_result_text64(p->pCtx, sqlite3RCStrRef(p->zBuf), p->nUsed, + sqlite3RCStrUnref, + SQLITE_UTF8); + }else{ + sqlite3_result_error_nomem(p->pCtx); + } + }else if( p->eErr & JSTRING_OOM ){ + sqlite3_result_error_nomem(p->pCtx); + }else if( p->eErr & JSTRING_MALFORMED ){ + sqlite3_result_error(p->pCtx, "malformed JSON", -1); } - assert( p->bStatic ); + jsonStringReset(p); } /************************************************************************** -** Utility routines for dealing with JsonNode and JsonParse objects +** Utility routines for dealing with JsonParse objects **************************************************************************/ -/* -** Return the number of consecutive JsonNode slots need to represent -** the parsed JSON at pNode. The minimum answer is 1. For ARRAY and -** OBJECT types, the number might be larger. -** -** Appended elements are not counted. The value returned is the number -** by which the JsonNode counter should increment in order to go to the -** next peer value. -*/ -static u32 jsonNodeSize(JsonNode *pNode){ - return pNode->eType>=JSON_ARRAY ? pNode->n+1 : 1; -} - /* ** Reclaim all memory allocated by a JsonParse object. But do not ** delete the JsonParse object itself. */ static void jsonParseReset(JsonParse *pParse){ - sqlite3_free(pParse->aNode); - pParse->aNode = 0; - pParse->nNode = 0; - pParse->nAlloc = 0; - sqlite3_free(pParse->aUp); - pParse->aUp = 0; + assert( pParse->nJPRef<=1 ); + if( pParse->bJsonIsRCStr ){ + sqlite3RCStrUnref(pParse->zJson); + pParse->zJson = 0; + pParse->nJson = 0; + pParse->bJsonIsRCStr = 0; + } + if( pParse->nBlobAlloc ){ + sqlite3DbFree(pParse->db, pParse->aBlob); + pParse->aBlob = 0; + pParse->nBlob = 0; + pParse->nBlobAlloc = 0; + } } /* -** Free a JsonParse object that was obtained from sqlite3_malloc(). +** Decrement the reference count on the JsonParse object. When the +** count reaches zero, free the object. */ static void jsonParseFree(JsonParse *pParse){ - jsonParseReset(pParse); - sqlite3_free(pParse); -} - -/* -** Convert the JsonNode pNode into a pure JSON string and -** append to pOut. Subsubstructure is also included. Return -** the number of JsonNode objects that are encoded. -*/ -static void jsonRenderNode( - JsonNode *pNode, /* The node to render */ - JsonString *pOut, /* Write JSON here */ - sqlite3_value **aReplace /* Replacement values */ -){ - assert( pNode!=0 ); - if( pNode->jnFlags & (JNODE_REPLACE|JNODE_PATCH) ){ - if( (pNode->jnFlags & JNODE_REPLACE)!=0 && ALWAYS(aReplace!=0) ){ - assert( pNode->eU==4 ); - jsonAppendValue(pOut, aReplace[pNode->u.iReplace]); - return; - } - assert( pNode->eU==5 ); - pNode = pNode->u.pPatch; - } - switch( pNode->eType ){ - default: { - assert( pNode->eType==JSON_NULL ); - jsonAppendRaw(pOut, "null", 4); - break; - } - case JSON_TRUE: { - jsonAppendRaw(pOut, "true", 4); - break; - } - case JSON_FALSE: { - jsonAppendRaw(pOut, "false", 5); - break; - } - case JSON_STRING: { - if( pNode->jnFlags & JNODE_RAW ){ - assert( pNode->eU==1 ); - jsonAppendString(pOut, pNode->u.zJContent, pNode->n); - break; - } - /* no break */ deliberate_fall_through - } - case JSON_REAL: - case JSON_INT: { - assert( pNode->eU==1 ); - jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); - break; - } - case JSON_ARRAY: { - u32 j = 1; - jsonAppendChar(pOut, '['); - for(;;){ - while( j<=pNode->n ){ - if( (pNode[j].jnFlags & JNODE_REMOVE)==0 ){ - jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); - } - j += jsonNodeSize(&pNode[j]); - } - if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; - assert( pNode->eU==2 ); - pNode = &pNode[pNode->u.iAppend]; - j = 1; - } - jsonAppendChar(pOut, ']'); - break; - } - case JSON_OBJECT: { - u32 j = 1; - jsonAppendChar(pOut, '{'); - for(;;){ - while( j<=pNode->n ){ - if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 ){ - jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); - jsonAppendChar(pOut, ':'); - jsonRenderNode(&pNode[j+1], pOut, aReplace); - } - j += 1 + jsonNodeSize(&pNode[j+1]); - } - if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; - assert( pNode->eU==2 ); - pNode = &pNode[pNode->u.iAppend]; - j = 1; - } - jsonAppendChar(pOut, '}'); - break; + if( pParse ){ + if( pParse->nJPRef>1 ){ + pParse->nJPRef--; + }else{ + jsonParseReset(pParse); + sqlite3DbFree(pParse->db, pParse); } } } -/* -** Return a JsonNode and all its descendents as a JSON string. -*/ -static void jsonReturnJson( - JsonNode *pNode, /* Node to return */ - sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ -){ - JsonString s; - jsonInit(&s, pCtx); - jsonRenderNode(pNode, &s, aReplace); - jsonResult(&s); - sqlite3_result_subtype(pCtx, JSON_SUBTYPE); -} +/************************************************************************** +** Utility routines for the JSON text parser +**************************************************************************/ /* ** Translate a single byte of Hex into an integer. -** This routine only works if h really is a valid hexadecimal -** character: 0..9a..fA..F +** This routine only gives a correct answer if h really is a valid hexadecimal +** character: 0..9a..fA..F. But unlike sqlite3HexToInt(), it does not +** assert() if the digit is not hex. */ static u8 jsonHexToInt(int h){ - assert( (h>='0' && h<='9') || (h>='a' && h<='f') || (h>='A' && h<='F') ); +#ifdef SQLITE_ASCII + h += 9*(1&(h>>6)); +#endif #ifdef SQLITE_EBCDIC h += 9*(1&~(h>>4)); -#else - h += 9*(1&(h>>6)); #endif return (u8)(h & 0xf); } @@ -199315,10 +204040,6 @@ static u8 jsonHexToInt(int h){ */ static u32 jsonHexToInt4(const char *z){ u32 v; - assert( sqlite3Isxdigit(z[0]) ); - assert( sqlite3Isxdigit(z[1]) ); - assert( sqlite3Isxdigit(z[2]) ); - assert( sqlite3Isxdigit(z[3]) ); v = (jsonHexToInt(z[0])<<12) + (jsonHexToInt(z[1])<<8) + (jsonHexToInt(z[2])<<4) @@ -199327,800 +204048,164 @@ static u32 jsonHexToInt4(const char *z){ } /* -** Make the JsonNode the return value of the function. +** Return true if z[] begins with 2 (or more) hexadecimal digits */ -static void jsonReturn( - JsonNode *pNode, /* Node to return */ - sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ -){ - switch( pNode->eType ){ - default: { - assert( pNode->eType==JSON_NULL ); - sqlite3_result_null(pCtx); - break; - } - case JSON_TRUE: { - sqlite3_result_int(pCtx, 1); - break; - } - case JSON_FALSE: { - sqlite3_result_int(pCtx, 0); - break; - } - case JSON_INT: { - sqlite3_int64 i = 0; - const char *z; - assert( pNode->eU==1 ); - z = pNode->u.zJContent; - if( z[0]=='-' ){ z++; } - while( z[0]>='0' && z[0]<='9' ){ - unsigned v = *(z++) - '0'; - if( i>=LARGEST_INT64/10 ){ - if( i>LARGEST_INT64/10 ) goto int_as_real; - if( z[0]>='0' && z[0]<='9' ) goto int_as_real; - if( v==9 ) goto int_as_real; - if( v==8 ){ - if( pNode->u.zJContent[0]=='-' ){ - sqlite3_result_int64(pCtx, SMALLEST_INT64); - goto int_done; - }else{ - goto int_as_real; - } - } - } - i = i*10 + v; - } - if( pNode->u.zJContent[0]=='-' ){ i = -i; } - sqlite3_result_int64(pCtx, i); - int_done: - break; - int_as_real: ; /* no break */ deliberate_fall_through - } - case JSON_REAL: { - double r; -#ifdef SQLITE_AMALGAMATION - const char *z; - assert( pNode->eU==1 ); - z = pNode->u.zJContent; - sqlite3AtoF(z, &r, sqlite3Strlen30(z), SQLITE_UTF8); -#else - assert( pNode->eU==1 ); - r = strtod(pNode->u.zJContent, 0); -#endif - sqlite3_result_double(pCtx, r); - break; - } - case JSON_STRING: { -#if 0 /* Never happens because JNODE_RAW is only set by json_set(), - ** json_insert() and json_replace() and those routines do not - ** call jsonReturn() */ - if( pNode->jnFlags & JNODE_RAW ){ - assert( pNode->eU==1 ); - sqlite3_result_text(pCtx, pNode->u.zJContent, pNode->n, - SQLITE_TRANSIENT); - }else -#endif - assert( (pNode->jnFlags & JNODE_RAW)==0 ); - if( (pNode->jnFlags & JNODE_ESCAPE)==0 ){ - /* JSON formatted without any backslash-escapes */ - assert( pNode->eU==1 ); - sqlite3_result_text(pCtx, pNode->u.zJContent+1, pNode->n-2, - SQLITE_TRANSIENT); - }else{ - /* Translate JSON formatted string into raw text */ - u32 i; - u32 n = pNode->n; - const char *z; - char *zOut; - u32 j; - assert( pNode->eU==1 ); - z = pNode->u.zJContent; - zOut = sqlite3_malloc( n+1 ); - if( zOut==0 ){ - sqlite3_result_error_nomem(pCtx); - break; - } - for(i=1, j=0; i>6)); - zOut[j++] = 0x80 | (v&0x3f); - }else{ - u32 vlo; - if( (v&0xfc00)==0xd800 - && i>18); - zOut[j++] = 0x80 | ((v>>12)&0x3f); - zOut[j++] = 0x80 | ((v>>6)&0x3f); - zOut[j++] = 0x80 | (v&0x3f); - }else{ - zOut[j++] = 0xe0 | (v>>12); - zOut[j++] = 0x80 | ((v>>6)&0x3f); - zOut[j++] = 0x80 | (v&0x3f); - } - } - }else{ - if( c=='b' ){ - c = '\b'; - }else if( c=='f' ){ - c = '\f'; - }else if( c=='n' ){ - c = '\n'; - }else if( c=='r' ){ - c = '\r'; - }else if( c=='t' ){ - c = '\t'; - } - zOut[j++] = c; - } - } - } - zOut[j] = 0; - sqlite3_result_text(pCtx, zOut, j, sqlite3_free); - } - break; - } - case JSON_ARRAY: - case JSON_OBJECT: { - jsonReturnJson(pNode, pCtx, aReplace); - break; - } - } -} - -/* Forward reference */ -static int jsonParseAddNode(JsonParse*,u32,u32,const char*); - -/* -** A macro to hint to the compiler that a function should not be -** inlined. -*/ -#if defined(__GNUC__) -# define JSON_NOINLINE __attribute__((noinline)) -#elif defined(_MSC_VER) && _MSC_VER>=1310 -# define JSON_NOINLINE __declspec(noinline) -#else -# define JSON_NOINLINE -#endif - - -static JSON_NOINLINE int jsonParseAddNodeExpand( - JsonParse *pParse, /* Append the node to this object */ - u32 eType, /* Node type */ - u32 n, /* Content size or sub-node count */ - const char *zContent /* Content */ -){ - u32 nNew; - JsonNode *pNew; - assert( pParse->nNode>=pParse->nAlloc ); - if( pParse->oom ) return -1; - nNew = pParse->nAlloc*2 + 10; - pNew = sqlite3_realloc64(pParse->aNode, sizeof(JsonNode)*nNew); - if( pNew==0 ){ - pParse->oom = 1; - return -1; - } - pParse->nAlloc = nNew; - pParse->aNode = pNew; - assert( pParse->nNodenAlloc ); - return jsonParseAddNode(pParse, eType, n, zContent); -} - -/* -** Create a new JsonNode instance based on the arguments and append that -** instance to the JsonParse. Return the index in pParse->aNode[] of the -** new node, or -1 if a memory allocation fails. -*/ -static int jsonParseAddNode( - JsonParse *pParse, /* Append the node to this object */ - u32 eType, /* Node type */ - u32 n, /* Content size or sub-node count */ - const char *zContent /* Content */ -){ - JsonNode *p; - if( pParse->aNode==0 || pParse->nNode>=pParse->nAlloc ){ - return jsonParseAddNodeExpand(pParse, eType, n, zContent); - } - p = &pParse->aNode[pParse->nNode]; - p->eType = (u8)eType; - p->jnFlags = 0; - VVA( p->eU = zContent ? 1 : 0 ); - p->n = n; - p->u.zJContent = zContent; - return pParse->nNode++; +static int jsonIs2Hex(const char *z){ + return sqlite3Isxdigit(z[0]) && sqlite3Isxdigit(z[1]); } /* ** Return true if z[] begins with 4 (or more) hexadecimal digits */ static int jsonIs4Hex(const char *z){ - int i; - for(i=0; i<4; i++) if( !sqlite3Isxdigit(z[i]) ) return 0; - return 1; + return jsonIs2Hex(z) && jsonIs2Hex(&z[2]); } /* -** Parse a single JSON value which begins at pParse->zJson[i]. Return the -** index of the first character past the end of the value parsed. +** Return the number of bytes of JSON5 whitespace at the beginning of +** the input string z[]. ** -** Return negative for a syntax error. Special cases: return -2 if the -** first non-whitespace character is '}' and return -3 if the first -** non-whitespace character is ']'. +** JSON5 whitespace consists of any of the following characters: +** +** Unicode UTF-8 Name +** U+0009 09 horizontal tab +** U+000a 0a line feed +** U+000b 0b vertical tab +** U+000c 0c form feed +** U+000d 0d carriage return +** U+0020 20 space +** U+00a0 c2 a0 non-breaking space +** U+1680 e1 9a 80 ogham space mark +** U+2000 e2 80 80 en quad +** U+2001 e2 80 81 em quad +** U+2002 e2 80 82 en space +** U+2003 e2 80 83 em space +** U+2004 e2 80 84 three-per-em space +** U+2005 e2 80 85 four-per-em space +** U+2006 e2 80 86 six-per-em space +** U+2007 e2 80 87 figure space +** U+2008 e2 80 88 punctuation space +** U+2009 e2 80 89 thin space +** U+200a e2 80 8a hair space +** U+2028 e2 80 a8 line separator +** U+2029 e2 80 a9 paragraph separator +** U+202f e2 80 af narrow no-break space (NNBSP) +** U+205f e2 81 9f medium mathematical space (MMSP) +** U+3000 e3 80 80 ideographical space +** U+FEFF ef bb bf byte order mark +** +** In addition, comments between '/', '*' and '*', '/' and +** from '/', '/' to end-of-line are also considered to be whitespace. */ -static int jsonParseValue(JsonParse *pParse, u32 i){ - char c; - u32 j; - int iThis; - int x; - JsonNode *pNode; - const char *z = pParse->zJson; - while( fast_isspace(z[i]) ){ i++; } - if( (c = z[i])=='{' ){ - /* Parse object */ - iThis = jsonParseAddNode(pParse, JSON_OBJECT, 0, 0); - if( iThis<0 ) return -1; - for(j=i+1;;j++){ - while( fast_isspace(z[j]) ){ j++; } - if( ++pParse->iDepth > JSON_MAX_DEPTH ) return -1; - x = jsonParseValue(pParse, j); - if( x<0 ){ - pParse->iDepth--; - if( x==(-2) && pParse->nNode==(u32)iThis+1 ) return j+1; - return -1; - } - if( pParse->oom ) return -1; - pNode = &pParse->aNode[pParse->nNode-1]; - if( pNode->eType!=JSON_STRING ) return -1; - pNode->jnFlags |= JNODE_LABEL; - j = x; - while( fast_isspace(z[j]) ){ j++; } - if( z[j]!=':' ) return -1; - j++; - x = jsonParseValue(pParse, j); - pParse->iDepth--; - if( x<0 ) return -1; - j = x; - while( fast_isspace(z[j]) ){ j++; } - c = z[j]; - if( c==',' ) continue; - if( c!='}' ) return -1; - break; - } - pParse->aNode[iThis].n = pParse->nNode - (u32)iThis - 1; - return j+1; - }else if( c=='[' ){ - /* Parse array */ - iThis = jsonParseAddNode(pParse, JSON_ARRAY, 0, 0); - if( iThis<0 ) return -1; - memset(&pParse->aNode[iThis].u, 0, sizeof(pParse->aNode[iThis].u)); - for(j=i+1;;j++){ - while( fast_isspace(z[j]) ){ j++; } - if( ++pParse->iDepth > JSON_MAX_DEPTH ) return -1; - x = jsonParseValue(pParse, j); - pParse->iDepth--; - if( x<0 ){ - if( x==(-3) && pParse->nNode==(u32)iThis+1 ) return j+1; - return -1; - } - j = x; - while( fast_isspace(z[j]) ){ j++; } - c = z[j]; - if( c==',' ) continue; - if( c!=']' ) return -1; - break; - } - pParse->aNode[iThis].n = pParse->nNode - (u32)iThis - 1; - return j+1; - }else if( c=='"' ){ - /* Parse string */ - u8 jnFlags = 0; - j = i+1; - for(;;){ - c = z[j]; - if( (c & ~0x1f)==0 ){ - /* Control characters are not allowed in strings */ - return -1; - } - if( c=='\\' ){ - c = z[++j]; - if( c=='"' || c=='\\' || c=='/' || c=='b' || c=='f' - || c=='n' || c=='r' || c=='t' - || (c=='u' && jsonIs4Hex(z+j+1)) ){ - jnFlags = JNODE_ESCAPE; - }else{ - return -1; - } - }else if( c=='"' ){ +static int json5Whitespace(const char *zIn){ + int n = 0; + const u8 *z = (u8*)zIn; + while( 1 /*exit by "goto whitespace_done"*/ ){ + switch( z[n] ){ + case 0x09: + case 0x0a: + case 0x0b: + case 0x0c: + case 0x0d: + case 0x20: { + n++; break; } - j++; - } - jsonParseAddNode(pParse, JSON_STRING, j+1-i, &z[i]); - if( !pParse->oom ) pParse->aNode[pParse->nNode-1].jnFlags = jnFlags; - return j+1; - }else if( c=='n' - && strncmp(z+i,"null",4)==0 - && !sqlite3Isalnum(z[i+4]) ){ - jsonParseAddNode(pParse, JSON_NULL, 0, 0); - return i+4; - }else if( c=='t' - && strncmp(z+i,"true",4)==0 - && !sqlite3Isalnum(z[i+4]) ){ - jsonParseAddNode(pParse, JSON_TRUE, 0, 0); - return i+4; - }else if( c=='f' - && strncmp(z+i,"false",5)==0 - && !sqlite3Isalnum(z[i+5]) ){ - jsonParseAddNode(pParse, JSON_FALSE, 0, 0); - return i+5; - }else if( c=='-' || (c>='0' && c<='9') ){ - /* Parse number */ - u8 seenDP = 0; - u8 seenE = 0; - assert( '-' < '0' ); - if( c<='0' ){ - j = c=='-' ? i+1 : i; - if( z[j]=='0' && z[j+1]>='0' && z[j+1]<='9' ) return -1; - } - j = i+1; - for(;; j++){ - c = z[j]; - if( c>='0' && c<='9' ) continue; - if( c=='.' ){ - if( z[j-1]=='-' ) return -1; - if( seenDP ) return -1; - seenDP = 1; - continue; - } - if( c=='e' || c=='E' ){ - if( z[j-1]<'0' ) return -1; - if( seenE ) return -1; - seenDP = seenE = 1; - c = z[j+1]; - if( c=='+' || c=='-' ){ - j++; - c = z[j+1]; - } - if( c<'0' || c>'9' ) return -1; - continue; - } - break; - } - if( z[j-1]<'0' ) return -1; - jsonParseAddNode(pParse, seenDP ? JSON_REAL : JSON_INT, - j - i, &z[i]); - return j; - }else if( c=='}' ){ - return -2; /* End of {...} */ - }else if( c==']' ){ - return -3; /* End of [...] */ - }else if( c==0 ){ - return 0; /* End of file */ - }else{ - return -1; /* Syntax error */ - } -} - -/* -** Parse a complete JSON string. Return 0 on success or non-zero if there -** are any errors. If an error occurs, free all memory associated with -** pParse. -** -** pParse is uninitialized when this routine is called. -*/ -static int jsonParse( - JsonParse *pParse, /* Initialize and fill this JsonParse object */ - sqlite3_context *pCtx, /* Report errors here */ - const char *zJson /* Input JSON text to be parsed */ -){ - int i; - memset(pParse, 0, sizeof(*pParse)); - if( zJson==0 ) return 1; - pParse->zJson = zJson; - i = jsonParseValue(pParse, 0); - if( pParse->oom ) i = -1; - if( i>0 ){ - assert( pParse->iDepth==0 ); - while( fast_isspace(zJson[i]) ) i++; - if( zJson[i] ) i = -1; - } - if( i<=0 ){ - if( pCtx!=0 ){ - if( pParse->oom ){ - sqlite3_result_error_nomem(pCtx); - }else{ - sqlite3_result_error(pCtx, "malformed JSON", -1); - } - } - jsonParseReset(pParse); - return 1; - } - return 0; -} - -/* Mark node i of pParse as being a child of iParent. Call recursively -** to fill in all the descendants of node i. -*/ -static void jsonParseFillInParentage(JsonParse *pParse, u32 i, u32 iParent){ - JsonNode *pNode = &pParse->aNode[i]; - u32 j; - pParse->aUp[i] = iParent; - switch( pNode->eType ){ - case JSON_ARRAY: { - for(j=1; j<=pNode->n; j += jsonNodeSize(pNode+j)){ - jsonParseFillInParentage(pParse, i+j, i); - } - break; - } - case JSON_OBJECT: { - for(j=1; j<=pNode->n; j += jsonNodeSize(pNode+j+1)+1){ - pParse->aUp[i+j] = i; - jsonParseFillInParentage(pParse, i+j+1, i); - } - break; - } - default: { - break; - } - } -} - -/* -** Compute the parentage of all nodes in a completed parse. -*/ -static int jsonParseFindParents(JsonParse *pParse){ - u32 *aUp; - assert( pParse->aUp==0 ); - aUp = pParse->aUp = sqlite3_malloc64( sizeof(u32)*pParse->nNode ); - if( aUp==0 ){ - pParse->oom = 1; - return SQLITE_NOMEM; - } - jsonParseFillInParentage(pParse, 0, 0); - return SQLITE_OK; -} - -/* -** Magic number used for the JSON parse cache in sqlite3_get_auxdata() -*/ -#define JSON_CACHE_ID (-429938) /* First cache entry */ -#define JSON_CACHE_SZ 4 /* Max number of cache entries */ - -/* -** Obtain a complete parse of the JSON found in the first argument -** of the argv array. Use the sqlite3_get_auxdata() cache for this -** parse if it is available. If the cache is not available or if it -** is no longer valid, parse the JSON again and return the new parse, -** and also register the new parse so that it will be available for -** future sqlite3_get_auxdata() calls. -*/ -static JsonParse *jsonParseCached( - sqlite3_context *pCtx, - sqlite3_value **argv, - sqlite3_context *pErrCtx -){ - const char *zJson = (const char*)sqlite3_value_text(argv[0]); - int nJson = sqlite3_value_bytes(argv[0]); - JsonParse *p; - JsonParse *pMatch = 0; - int iKey; - int iMinKey = 0; - u32 iMinHold = 0xffffffff; - u32 iMaxHold = 0; - if( zJson==0 ) return 0; - for(iKey=0; iKeynJson==nJson - && memcmp(p->zJson,zJson,nJson)==0 - ){ - p->nErr = 0; - pMatch = p; - }else if( p->iHoldiHold; - iMinKey = iKey; - } - if( p->iHold>iMaxHold ){ - iMaxHold = p->iHold; - } - } - if( pMatch ){ - pMatch->nErr = 0; - pMatch->iHold = iMaxHold+1; - return pMatch; - } - p = sqlite3_malloc64( sizeof(*p) + nJson + 1 ); - if( p==0 ){ - sqlite3_result_error_nomem(pCtx); - return 0; - } - memset(p, 0, sizeof(*p)); - p->zJson = (char*)&p[1]; - memcpy((char*)p->zJson, zJson, nJson+1); - if( jsonParse(p, pErrCtx, p->zJson) ){ - sqlite3_free(p); - return 0; - } - p->nJson = nJson; - p->iHold = iMaxHold+1; - sqlite3_set_auxdata(pCtx, JSON_CACHE_ID+iMinKey, p, - (void(*)(void*))jsonParseFree); - return (JsonParse*)sqlite3_get_auxdata(pCtx, JSON_CACHE_ID+iMinKey); -} - -/* -** Compare the OBJECT label at pNode against zKey,nKey. Return true on -** a match. -*/ -static int jsonLabelCompare(JsonNode *pNode, const char *zKey, u32 nKey){ - assert( pNode->eU==1 ); - if( pNode->jnFlags & JNODE_RAW ){ - if( pNode->n!=nKey ) return 0; - return strncmp(pNode->u.zJContent, zKey, nKey)==0; - }else{ - if( pNode->n!=nKey+2 ) return 0; - return strncmp(pNode->u.zJContent+1, zKey, nKey)==0; - } -} - -/* forward declaration */ -static JsonNode *jsonLookupAppend(JsonParse*,const char*,int*,const char**); - -/* -** Search along zPath to find the node specified. Return a pointer -** to that node, or NULL if zPath is malformed or if there is no such -** node. -** -** If pApnd!=0, then try to append new nodes to complete zPath if it is -** possible to do so and if no existing node corresponds to zPath. If -** new nodes are appended *pApnd is set to 1. -*/ -static JsonNode *jsonLookupStep( - JsonParse *pParse, /* The JSON to search */ - u32 iRoot, /* Begin the search at this node */ - const char *zPath, /* The path to search */ - int *pApnd, /* Append nodes to complete path if not NULL */ - const char **pzErr /* Make *pzErr point to any syntax error in zPath */ -){ - u32 i, j, nKey; - const char *zKey; - JsonNode *pRoot = &pParse->aNode[iRoot]; - if( zPath[0]==0 ) return pRoot; - if( pRoot->jnFlags & JNODE_REPLACE ) return 0; - if( zPath[0]=='.' ){ - if( pRoot->eType!=JSON_OBJECT ) return 0; - zPath++; - if( zPath[0]=='"' ){ - zKey = zPath + 1; - for(i=1; zPath[i] && zPath[i]!='"'; i++){} - nKey = i-1; - if( zPath[i] ){ - i++; - }else{ - *pzErr = zPath; - return 0; - } - testcase( nKey==0 ); - }else{ - zKey = zPath; - for(i=0; zPath[i] && zPath[i]!='.' && zPath[i]!='['; i++){} - nKey = i; - if( nKey==0 ){ - *pzErr = zPath; - return 0; - } - } - j = 1; - for(;;){ - while( j<=pRoot->n ){ - if( jsonLabelCompare(pRoot+j, zKey, nKey) ){ - return jsonLookupStep(pParse, iRoot+j+1, &zPath[i], pApnd, pzErr); - } - j++; - j += jsonNodeSize(&pRoot[j]); - } - if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; - assert( pRoot->eU==2 ); - iRoot += pRoot->u.iAppend; - pRoot = &pParse->aNode[iRoot]; - j = 1; - } - if( pApnd ){ - u32 iStart, iLabel; - JsonNode *pNode; - iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); - iLabel = jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); - zPath += i; - pNode = jsonLookupAppend(pParse, zPath, pApnd, pzErr); - if( pParse->oom ) return 0; - if( pNode ){ - pRoot = &pParse->aNode[iRoot]; - assert( pRoot->eU==0 ); - pRoot->u.iAppend = iStart - iRoot; - pRoot->jnFlags |= JNODE_APPEND; - VVA( pRoot->eU = 2 ); - pParse->aNode[iLabel].jnFlags |= JNODE_RAW; - } - return pNode; - } - }else if( zPath[0]=='[' ){ - i = 0; - j = 1; - while( sqlite3Isdigit(zPath[j]) ){ - i = i*10 + zPath[j] - '0'; - j++; - } - if( j<2 || zPath[j]!=']' ){ - if( zPath[1]=='#' ){ - JsonNode *pBase = pRoot; - int iBase = iRoot; - if( pRoot->eType!=JSON_ARRAY ) return 0; - for(;;){ - while( j<=pBase->n ){ - if( (pBase[j].jnFlags & JNODE_REMOVE)==0 ) i++; - j += jsonNodeSize(&pBase[j]); + case '/': { + if( z[n+1]=='*' && z[n+2]!=0 ){ + int j; + for(j=n+3; z[j]!='/' || z[j-1]!='*'; j++){ + if( z[j]==0 ) goto whitespace_done; } - if( (pBase->jnFlags & JNODE_APPEND)==0 ) break; - assert( pBase->eU==2 ); - iBase += pBase->u.iAppend; - pBase = &pParse->aNode[iBase]; - j = 1; + n = j+1; + break; + }else if( z[n+1]=='/' ){ + int j; + char c; + for(j=n+2; (c = z[j])!=0; j++){ + if( c=='\n' || c=='\r' ) break; + if( 0xe2==(u8)c && 0x80==(u8)z[j+1] + && (0xa8==(u8)z[j+2] || 0xa9==(u8)z[j+2]) + ){ + j += 2; + break; + } + } + n = j; + if( z[n] ) n++; + break; } - j = 2; - if( zPath[2]=='-' && sqlite3Isdigit(zPath[3]) ){ - unsigned int x = 0; - j = 3; - do{ - x = x*10 + zPath[j] - '0'; - j++; - }while( sqlite3Isdigit(zPath[j]) ); - if( x>i ) return 0; - i -= x; + goto whitespace_done; + } + case 0xc2: { + if( z[n+1]==0xa0 ){ + n += 2; + break; } - if( zPath[j]!=']' ){ - *pzErr = zPath; - return 0; + goto whitespace_done; + } + case 0xe1: { + if( z[n+1]==0x9a && z[n+2]==0x80 ){ + n += 3; + break; } - }else{ - *pzErr = zPath; - return 0; + goto whitespace_done; + } + case 0xe2: { + if( z[n+1]==0x80 ){ + u8 c = z[n+2]; + if( c<0x80 ) goto whitespace_done; + if( c<=0x8a || c==0xa8 || c==0xa9 || c==0xaf ){ + n += 3; + break; + } + }else if( z[n+1]==0x81 && z[n+2]==0x9f ){ + n += 3; + break; + } + goto whitespace_done; + } + case 0xe3: { + if( z[n+1]==0x80 && z[n+2]==0x80 ){ + n += 3; + break; + } + goto whitespace_done; + } + case 0xef: { + if( z[n+1]==0xbb && z[n+2]==0xbf ){ + n += 3; + break; + } + goto whitespace_done; + } + default: { + goto whitespace_done; } } - if( pRoot->eType!=JSON_ARRAY ) return 0; - zPath += j + 1; - j = 1; - for(;;){ - while( j<=pRoot->n && (i>0 || (pRoot[j].jnFlags & JNODE_REMOVE)!=0) ){ - if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 ) i--; - j += jsonNodeSize(&pRoot[j]); - } - if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; - assert( pRoot->eU==2 ); - iRoot += pRoot->u.iAppend; - pRoot = &pParse->aNode[iRoot]; - j = 1; - } - if( j<=pRoot->n ){ - return jsonLookupStep(pParse, iRoot+j, zPath, pApnd, pzErr); - } - if( i==0 && pApnd ){ - u32 iStart; - JsonNode *pNode; - iStart = jsonParseAddNode(pParse, JSON_ARRAY, 1, 0); - pNode = jsonLookupAppend(pParse, zPath, pApnd, pzErr); - if( pParse->oom ) return 0; - if( pNode ){ - pRoot = &pParse->aNode[iRoot]; - assert( pRoot->eU==0 ); - pRoot->u.iAppend = iStart - iRoot; - pRoot->jnFlags |= JNODE_APPEND; - VVA( pRoot->eU = 2 ); - } - return pNode; - } - }else{ - *pzErr = zPath; } - return 0; + whitespace_done: + return n; } /* -** Append content to pParse that will complete zPath. Return a pointer -** to the inserted node, or return NULL if the append fails. +** Extra floating-point literals to allow in JSON. */ -static JsonNode *jsonLookupAppend( - JsonParse *pParse, /* Append content to the JSON parse */ - const char *zPath, /* Description of content to append */ - int *pApnd, /* Set this flag to 1 */ - const char **pzErr /* Make this point to any syntax error */ -){ - *pApnd = 1; - if( zPath[0]==0 ){ - jsonParseAddNode(pParse, JSON_NULL, 0, 0); - return pParse->oom ? 0 : &pParse->aNode[pParse->nNode-1]; - } - if( zPath[0]=='.' ){ - jsonParseAddNode(pParse, JSON_OBJECT, 0, 0); - }else if( strncmp(zPath,"[0]",3)==0 ){ - jsonParseAddNode(pParse, JSON_ARRAY, 0, 0); - }else{ - return 0; - } - if( pParse->oom ) return 0; - return jsonLookupStep(pParse, pParse->nNode-1, zPath, pApnd, pzErr); -} - -/* -** Return the text of a syntax error message on a JSON path. Space is -** obtained from sqlite3_malloc(). -*/ -static char *jsonPathSyntaxError(const char *zErr){ - return sqlite3_mprintf("JSON path error near '%q'", zErr); -} - -/* -** Do a node lookup using zPath. Return a pointer to the node on success. -** Return NULL if not found or if there is an error. -** -** On an error, write an error message into pCtx and increment the -** pParse->nErr counter. -** -** If pApnd!=NULL then try to append missing nodes and set *pApnd = 1 if -** nodes are appended. -*/ -static JsonNode *jsonLookup( - JsonParse *pParse, /* The JSON to search */ - const char *zPath, /* The path to search */ - int *pApnd, /* Append nodes to complete path if not NULL */ - sqlite3_context *pCtx /* Report errors here, if not NULL */ -){ - const char *zErr = 0; - JsonNode *pNode = 0; - char *zMsg; - - if( zPath==0 ) return 0; - if( zPath[0]!='$' ){ - zErr = zPath; - goto lookup_err; - } - zPath++; - pNode = jsonLookupStep(pParse, 0, zPath, pApnd, &zErr); - if( zErr==0 ) return pNode; - -lookup_err: - pParse->nErr++; - assert( zErr!=0 && pCtx!=0 ); - zMsg = jsonPathSyntaxError(zErr); - if( zMsg ){ - sqlite3_result_error(pCtx, zMsg, -1); - sqlite3_free(zMsg); - }else{ - sqlite3_result_error_nomem(pCtx); - } - return 0; -} +static const struct NanInfName { + char c1; + char c2; + char n; + char eType; + char nRepl; + char *zMatch; + char *zRepl; +} aNanInfName[] = { + { 'i', 'I', 3, JSONB_FLOAT, 7, "inf", "9.0e999" }, + { 'i', 'I', 8, JSONB_FLOAT, 7, "infinity", "9.0e999" }, + { 'n', 'N', 3, JSONB_NULL, 4, "NaN", "null" }, + { 'q', 'Q', 4, JSONB_NULL, 4, "QNaN", "null" }, + { 's', 'S', 4, JSONB_NULL, 4, "SNaN", "null" }, +}; /* @@ -200137,85 +204222,2467 @@ static void jsonWrongNumArgs( sqlite3_free(zMsg); } +/**************************************************************************** +** Utility routines for dealing with the binary BLOB representation of JSON +****************************************************************************/ + /* -** Mark all NULL entries in the Object passed in as JNODE_REMOVE. +** Expand pParse->aBlob so that it holds at least N bytes. +** +** Return the number of errors. */ -static void jsonRemoveAllNulls(JsonNode *pNode){ - int i, n; - assert( pNode->eType==JSON_OBJECT ); - n = pNode->n; - for(i=2; i<=n; i += jsonNodeSize(&pNode[i])+1){ - switch( pNode[i].eType ){ - case JSON_NULL: - pNode[i].jnFlags |= JNODE_REMOVE; +static int jsonBlobExpand(JsonParse *pParse, u32 N){ + u8 *aNew; + u32 t; + assert( N>pParse->nBlobAlloc ); + if( pParse->nBlobAlloc==0 ){ + t = 100; + }else{ + t = pParse->nBlobAlloc*2; + } + if( tdb, pParse->aBlob, t); + if( aNew==0 ){ pParse->oom = 1; return 1; } + pParse->aBlob = aNew; + pParse->nBlobAlloc = t; + return 0; +} + +/* +** If pParse->aBlob is not previously editable (because it is taken +** from sqlite3_value_blob(), as indicated by the fact that +** pParse->nBlobAlloc==0 and pParse->nBlob>0) then make it editable +** by making a copy into space obtained from malloc. +** +** Return true on success. Return false on OOM. +*/ +static int jsonBlobMakeEditable(JsonParse *pParse, u32 nExtra){ + u8 *aOld; + u32 nSize; + assert( !pParse->bReadOnly ); + if( pParse->oom ) return 0; + if( pParse->nBlobAlloc>0 ) return 1; + aOld = pParse->aBlob; + nSize = pParse->nBlob + nExtra; + pParse->aBlob = 0; + if( jsonBlobExpand(pParse, nSize) ){ + return 0; + } + assert( pParse->nBlobAlloc >= pParse->nBlob + nExtra ); + memcpy(pParse->aBlob, aOld, pParse->nBlob); + return 1; +} + +/* Expand pParse->aBlob and append one bytes. +*/ +static SQLITE_NOINLINE void jsonBlobExpandAndAppendOneByte( + JsonParse *pParse, + u8 c +){ + jsonBlobExpand(pParse, pParse->nBlob+1); + if( pParse->oom==0 ){ + assert( pParse->nBlob+1<=pParse->nBlobAlloc ); + pParse->aBlob[pParse->nBlob++] = c; + } +} + +/* Append a single character. +*/ +static void jsonBlobAppendOneByte(JsonParse *pParse, u8 c){ + if( pParse->nBlob >= pParse->nBlobAlloc ){ + jsonBlobExpandAndAppendOneByte(pParse, c); + }else{ + pParse->aBlob[pParse->nBlob++] = c; + } +} + +/* Slow version of jsonBlobAppendNode() that first resizes the +** pParse->aBlob structure. +*/ +static void jsonBlobAppendNode(JsonParse*,u8,u32,const void*); +static SQLITE_NOINLINE void jsonBlobExpandAndAppendNode( + JsonParse *pParse, + u8 eType, + u32 szPayload, + const void *aPayload +){ + if( jsonBlobExpand(pParse, pParse->nBlob+szPayload+9) ) return; + jsonBlobAppendNode(pParse, eType, szPayload, aPayload); +} + + +/* Append an node type byte together with the payload size and +** possibly also the payload. +** +** If aPayload is not NULL, then it is a pointer to the payload which +** is also appended. If aPayload is NULL, the pParse->aBlob[] array +** is resized (if necessary) so that it is big enough to hold the +** payload, but the payload is not appended and pParse->nBlob is left +** pointing to where the first byte of payload will eventually be. +*/ +static void jsonBlobAppendNode( + JsonParse *pParse, /* The JsonParse object under construction */ + u8 eType, /* Node type. One of JSONB_* */ + u32 szPayload, /* Number of bytes of payload */ + const void *aPayload /* The payload. Might be NULL */ +){ + u8 *a; + if( pParse->nBlob+szPayload+9 > pParse->nBlobAlloc ){ + jsonBlobExpandAndAppendNode(pParse,eType,szPayload,aPayload); + return; + } + assert( pParse->aBlob!=0 ); + a = &pParse->aBlob[pParse->nBlob]; + if( szPayload<=11 ){ + a[0] = eType | (szPayload<<4); + pParse->nBlob += 1; + }else if( szPayload<=0xff ){ + a[0] = eType | 0xc0; + a[1] = szPayload & 0xff; + pParse->nBlob += 2; + }else if( szPayload<=0xffff ){ + a[0] = eType | 0xd0; + a[1] = (szPayload >> 8) & 0xff; + a[2] = szPayload & 0xff; + pParse->nBlob += 3; + }else{ + a[0] = eType | 0xe0; + a[1] = (szPayload >> 24) & 0xff; + a[2] = (szPayload >> 16) & 0xff; + a[3] = (szPayload >> 8) & 0xff; + a[4] = szPayload & 0xff; + pParse->nBlob += 5; + } + if( aPayload ){ + pParse->nBlob += szPayload; + memcpy(&pParse->aBlob[pParse->nBlob-szPayload], aPayload, szPayload); + } +} + +/* Change the payload size for the node at index i to be szPayload. +*/ +static int jsonBlobChangePayloadSize( + JsonParse *pParse, + u32 i, + u32 szPayload +){ + u8 *a; + u8 szType; + u8 nExtra; + u8 nNeeded; + int delta; + if( pParse->oom ) return 0; + a = &pParse->aBlob[i]; + szType = a[0]>>4; + if( szType<=11 ){ + nExtra = 0; + }else if( szType==12 ){ + nExtra = 1; + }else if( szType==13 ){ + nExtra = 2; + }else{ + nExtra = 4; + } + if( szPayload<=11 ){ + nNeeded = 0; + }else if( szPayload<=0xff ){ + nNeeded = 1; + }else if( szPayload<=0xffff ){ + nNeeded = 2; + }else{ + nNeeded = 4; + } + delta = nNeeded - nExtra; + if( delta ){ + u32 newSize = pParse->nBlob + delta; + if( delta>0 ){ + if( newSize>pParse->nBlobAlloc && jsonBlobExpand(pParse, newSize) ){ + return 0; /* OOM error. Error state recorded in pParse->oom. */ + } + a = &pParse->aBlob[i]; + memmove(&a[1+delta], &a[1], pParse->nBlob - (i+1)); + }else{ + memmove(&a[1], &a[1-delta], pParse->nBlob - (i+1-delta)); + } + pParse->nBlob = newSize; + } + if( nNeeded==0 ){ + a[0] = (a[0] & 0x0f) | (szPayload<<4); + }else if( nNeeded==1 ){ + a[0] = (a[0] & 0x0f) | 0xc0; + a[1] = szPayload & 0xff; + }else if( nNeeded==2 ){ + a[0] = (a[0] & 0x0f) | 0xd0; + a[1] = (szPayload >> 8) & 0xff; + a[2] = szPayload & 0xff; + }else{ + a[0] = (a[0] & 0x0f) | 0xe0; + a[1] = (szPayload >> 24) & 0xff; + a[2] = (szPayload >> 16) & 0xff; + a[3] = (szPayload >> 8) & 0xff; + a[4] = szPayload & 0xff; + } + return delta; +} + +/* +** If z[0] is 'u' and is followed by exactly 4 hexadecimal character, +** then set *pOp to JSONB_TEXTJ and return true. If not, do not make +** any changes to *pOp and return false. +*/ +static int jsonIs4HexB(const char *z, int *pOp){ + if( z[0]!='u' ) return 0; + if( !jsonIs4Hex(&z[1]) ) return 0; + *pOp = JSONB_TEXTJ; + return 1; +} + +/* +** Check a single element of the JSONB in pParse for validity. +** +** The element to be checked starts at offset i and must end at on the +** last byte before iEnd. +** +** Return 0 if everything is correct. Return the 1-based byte offset of the +** error if a problem is detected. (In other words, if the error is at offset +** 0, return 1). +*/ +static u32 jsonbValidityCheck( + const JsonParse *pParse, /* Input JSONB. Only aBlob and nBlob are used */ + u32 i, /* Start of element as pParse->aBlob[i] */ + u32 iEnd, /* One more than the last byte of the element */ + u32 iDepth /* Current nesting depth */ +){ + u32 n, sz, j, k; + const u8 *z; + u8 x; + if( iDepth>JSON_MAX_DEPTH ) return i+1; + sz = 0; + n = jsonbPayloadSize(pParse, i, &sz); + if( NEVER(n==0) ) return i+1; /* Checked by caller */ + if( NEVER(i+n+sz!=iEnd) ) return i+1; /* Checked by caller */ + z = pParse->aBlob; + x = z[i] & 0x0f; + switch( x ){ + case JSONB_NULL: + case JSONB_TRUE: + case JSONB_FALSE: { + return n+sz==1 ? 0 : i+1; + } + case JSONB_INT: { + if( sz<1 ) return i+1; + j = i+n; + if( z[j]=='-' ){ + j++; + if( sz<2 ) return i+1; + } + k = i+n+sz; + while( jk ) return j+1; + if( z[j+1]!='.' && z[j+1]!='e' && z[j+1]!='E' ) return j+1; + j++; + } + for(; j0 ) return j+1; + if( x==JSONB_FLOAT && (j==k-1 || !sqlite3Isdigit(z[j+1])) ){ + return j+1; + } + seen = 1; + continue; + } + if( z[j]=='e' || z[j]=='E' ){ + if( seen==2 ) return j+1; + if( j==k-1 ) return j+1; + if( z[j+1]=='+' || z[j+1]=='-' ){ + j++; + if( j==k-1 ) return j+1; + } + seen = 2; + continue; + } + return j+1; + } + if( seen==0 ) return i+1; + return 0; + } + case JSONB_TEXT: { + j = i+n; + k = j+sz; + while( j=k ){ + return j+1; + }else if( strchr("\"\\/bfnrt",z[j+1])!=0 ){ + j++; + }else if( z[j+1]=='u' ){ + if( j+5>=k ) return j+1; + if( !jsonIs4Hex((const char*)&z[j+2]) ) return j+1; + j++; + }else if( x!=JSONB_TEXT5 ){ + return j+1; + }else{ + u32 c = 0; + u32 szC = jsonUnescapeOneChar((const char*)&z[j], k-j, &c); + if( c==JSON_INVALID_CHAR ) return j+1; + j += szC - 1; + } + } + j++; + } + return 0; + } + case JSONB_TEXTRAW: { + return 0; + } + case JSONB_ARRAY: { + u32 sub; + j = i+n; + k = j+sz; + while( jk ) return j+1; + sub = jsonbValidityCheck(pParse, j, j+n+sz, iDepth+1); + if( sub ) return sub; + j += n + sz; + } + assert( j==k ); + return 0; + } + case JSONB_OBJECT: { + u32 cnt = 0; + u32 sub; + j = i+n; + k = j+sz; + while( jk ) return j+1; + if( (cnt & 1)==0 ){ + x = z[j] & 0x0f; + if( xJSONB_TEXTRAW ) return j+1; + } + sub = jsonbValidityCheck(pParse, j, j+n+sz, iDepth+1); + if( sub ) return sub; + cnt++; + j += n + sz; + } + assert( j==k ); + if( (cnt & 1)!=0 ) return j+1; + return 0; + } + default: { + return i+1; + } + } +} + +/* +** Translate a single element of JSON text at pParse->zJson[i] into +** its equivalent binary JSONB representation. Append the translation into +** pParse->aBlob[] beginning at pParse->nBlob. The size of +** pParse->aBlob[] is increased as necessary. +** +** Return the index of the first character past the end of the element parsed, +** or one of the following special result codes: +** +** 0 End of input +** -1 Syntax error or OOM +** -2 '}' seen \ +** -3 ']' seen \___ For these returns, pParse->iErr is set to +** -4 ',' seen / the index in zJson[] of the seen character +** -5 ':' seen / +*/ +static int jsonTranslateTextToBlob(JsonParse *pParse, u32 i){ + char c; + u32 j; + u32 iThis, iStart; + int x; + u8 t; + const char *z = pParse->zJson; +json_parse_restart: + switch( (u8)z[i] ){ + case '{': { + /* Parse object */ + iThis = pParse->nBlob; + jsonBlobAppendNode(pParse, JSONB_OBJECT, pParse->nJson-i, 0); + if( ++pParse->iDepth > JSON_MAX_DEPTH ){ + pParse->iErr = i; + return -1; + } + iStart = pParse->nBlob; + for(j=i+1;;j++){ + u32 iBlob = pParse->nBlob; + x = jsonTranslateTextToBlob(pParse, j); + if( x<=0 ){ + int op; + if( x==(-2) ){ + j = pParse->iErr; + if( pParse->nBlob!=(u32)iStart ) pParse->hasNonstd = 1; + break; + } + j += json5Whitespace(&z[j]); + op = JSONB_TEXT; + if( sqlite3JsonId1(z[j]) + || (z[j]=='\\' && jsonIs4HexB(&z[j+1], &op)) + ){ + int k = j+1; + while( (sqlite3JsonId2(z[k]) && json5Whitespace(&z[k])==0) + || (z[k]=='\\' && jsonIs4HexB(&z[k+1], &op)) + ){ + k++; + } + assert( iBlob==pParse->nBlob ); + jsonBlobAppendNode(pParse, op, k-j, &z[j]); + pParse->hasNonstd = 1; + x = k; + }else{ + if( x!=-1 ) pParse->iErr = j; + return -1; + } + } + if( pParse->oom ) return -1; + t = pParse->aBlob[iBlob] & 0x0f; + if( tJSONB_TEXTRAW ){ + pParse->iErr = j; + return -1; + } + j = x; + if( z[j]==':' ){ + j++; + }else{ + if( jsonIsspace(z[j]) ){ + /* strspn() is not helpful here */ + do{ j++; }while( jsonIsspace(z[j]) ); + if( z[j]==':' ){ + j++; + goto parse_object_value; + } + } + x = jsonTranslateTextToBlob(pParse, j); + if( x!=(-5) ){ + if( x!=(-1) ) pParse->iErr = j; + return -1; + } + j = pParse->iErr+1; + } + parse_object_value: + x = jsonTranslateTextToBlob(pParse, j); + if( x<=0 ){ + if( x!=(-1) ) pParse->iErr = j; + return -1; + } + j = x; + if( z[j]==',' ){ + continue; + }else if( z[j]=='}' ){ break; - case JSON_OBJECT: - jsonRemoveAllNulls(&pNode[i]); + }else{ + if( jsonIsspace(z[j]) ){ + j += 1 + (u32)strspn(&z[j+1], jsonSpaces); + if( z[j]==',' ){ + continue; + }else if( z[j]=='}' ){ + break; + } + } + x = jsonTranslateTextToBlob(pParse, j); + if( x==(-4) ){ + j = pParse->iErr; + continue; + } + if( x==(-2) ){ + j = pParse->iErr; + break; + } + } + pParse->iErr = j; + return -1; + } + jsonBlobChangePayloadSize(pParse, iThis, pParse->nBlob - iStart); + pParse->iDepth--; + return j+1; + } + case '[': { + /* Parse array */ + iThis = pParse->nBlob; + jsonBlobAppendNode(pParse, JSONB_ARRAY, pParse->nJson - i, 0); + iStart = pParse->nBlob; + if( pParse->oom ) return -1; + if( ++pParse->iDepth > JSON_MAX_DEPTH ){ + pParse->iErr = i; + return -1; + } + for(j=i+1;;j++){ + x = jsonTranslateTextToBlob(pParse, j); + if( x<=0 ){ + if( x==(-3) ){ + j = pParse->iErr; + if( pParse->nBlob!=iStart ) pParse->hasNonstd = 1; + break; + } + if( x!=(-1) ) pParse->iErr = j; + return -1; + } + j = x; + if( z[j]==',' ){ + continue; + }else if( z[j]==']' ){ break; + }else{ + if( jsonIsspace(z[j]) ){ + j += 1 + (u32)strspn(&z[j+1], jsonSpaces); + if( z[j]==',' ){ + continue; + }else if( z[j]==']' ){ + break; + } + } + x = jsonTranslateTextToBlob(pParse, j); + if( x==(-4) ){ + j = pParse->iErr; + continue; + } + if( x==(-3) ){ + j = pParse->iErr; + break; + } + } + pParse->iErr = j; + return -1; + } + jsonBlobChangePayloadSize(pParse, iThis, pParse->nBlob - iStart); + pParse->iDepth--; + return j+1; + } + case '\'': { + u8 opcode; + char cDelim; + pParse->hasNonstd = 1; + opcode = JSONB_TEXT; + goto parse_string; + case '"': + /* Parse string */ + opcode = JSONB_TEXT; + parse_string: + cDelim = z[i]; + j = i+1; + while( 1 /*exit-by-break*/ ){ + if( jsonIsOk[(u8)z[j]] ){ + if( !jsonIsOk[(u8)z[j+1]] ){ + j += 1; + }else if( !jsonIsOk[(u8)z[j+2]] ){ + j += 2; + }else{ + j += 3; + continue; + } + } + c = z[j]; + if( c==cDelim ){ + break; + }else if( c=='\\' ){ + c = z[++j]; + if( c=='"' || c=='\\' || c=='/' || c=='b' || c=='f' + || c=='n' || c=='r' || c=='t' + || (c=='u' && jsonIs4Hex(&z[j+1])) ){ + if( opcode==JSONB_TEXT ) opcode = JSONB_TEXTJ; + }else if( c=='\'' || c=='0' || c=='v' || c=='\n' + || (0xe2==(u8)c && 0x80==(u8)z[j+1] + && (0xa8==(u8)z[j+2] || 0xa9==(u8)z[j+2])) + || (c=='x' && jsonIs2Hex(&z[j+1])) ){ + opcode = JSONB_TEXT5; + pParse->hasNonstd = 1; + }else if( c=='\r' ){ + if( z[j+1]=='\n' ) j++; + opcode = JSONB_TEXT5; + pParse->hasNonstd = 1; + }else{ + pParse->iErr = j; + return -1; + } + }else if( c<=0x1f ){ + /* Control characters are not allowed in strings */ + pParse->iErr = j; + return -1; + }else if( c=='"' ){ + opcode = JSONB_TEXT5; + } + j++; + } + jsonBlobAppendNode(pParse, opcode, j-1-i, &z[i+1]); + return j+1; + } + case 't': { + if( strncmp(z+i,"true",4)==0 && !sqlite3Isalnum(z[i+4]) ){ + jsonBlobAppendOneByte(pParse, JSONB_TRUE); + return i+4; + } + pParse->iErr = i; + return -1; + } + case 'f': { + if( strncmp(z+i,"false",5)==0 && !sqlite3Isalnum(z[i+5]) ){ + jsonBlobAppendOneByte(pParse, JSONB_FALSE); + return i+5; + } + pParse->iErr = i; + return -1; + } + case '+': { + u8 seenE; + pParse->hasNonstd = 1; + t = 0x00; /* Bit 0x01: JSON5. Bit 0x02: FLOAT */ + goto parse_number; + case '.': + if( sqlite3Isdigit(z[i+1]) ){ + pParse->hasNonstd = 1; + t = 0x03; /* Bit 0x01: JSON5. Bit 0x02: FLOAT */ + seenE = 0; + goto parse_number_2; + } + pParse->iErr = i; + return -1; + case '-': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + /* Parse number */ + t = 0x00; /* Bit 0x01: JSON5. Bit 0x02: FLOAT */ + parse_number: + seenE = 0; + assert( '-' < '0' ); + assert( '+' < '0' ); + assert( '.' < '0' ); + c = z[i]; + + if( c<='0' ){ + if( c=='0' ){ + if( (z[i+1]=='x' || z[i+1]=='X') && sqlite3Isxdigit(z[i+2]) ){ + assert( t==0x00 ); + pParse->hasNonstd = 1; + t = 0x01; + for(j=i+3; sqlite3Isxdigit(z[j]); j++){} + goto parse_number_finish; + }else if( sqlite3Isdigit(z[i+1]) ){ + pParse->iErr = i+1; + return -1; + } + }else{ + if( !sqlite3Isdigit(z[i+1]) ){ + /* JSON5 allows for "+Infinity" and "-Infinity" using exactly + ** that case. SQLite also allows these in any case and it allows + ** "+inf" and "-inf". */ + if( (z[i+1]=='I' || z[i+1]=='i') + && sqlite3StrNICmp(&z[i+1], "inf",3)==0 + ){ + pParse->hasNonstd = 1; + if( z[i]=='-' ){ + jsonBlobAppendNode(pParse, JSONB_FLOAT, 6, "-9e999"); + }else{ + jsonBlobAppendNode(pParse, JSONB_FLOAT, 5, "9e999"); + } + return i + (sqlite3StrNICmp(&z[i+4],"inity",5)==0 ? 9 : 4); + } + if( z[i+1]=='.' ){ + pParse->hasNonstd = 1; + t |= 0x01; + goto parse_number_2; + } + pParse->iErr = i; + return -1; + } + if( z[i+1]=='0' ){ + if( sqlite3Isdigit(z[i+2]) ){ + pParse->iErr = i+1; + return -1; + }else if( (z[i+2]=='x' || z[i+2]=='X') && sqlite3Isxdigit(z[i+3]) ){ + pParse->hasNonstd = 1; + t |= 0x01; + for(j=i+4; sqlite3Isxdigit(z[j]); j++){} + goto parse_number_finish; + } + } + } + } + + parse_number_2: + for(j=i+1;; j++){ + c = z[j]; + if( sqlite3Isdigit(c) ) continue; + if( c=='.' ){ + if( (t & 0x02)!=0 ){ + pParse->iErr = j; + return -1; + } + t |= 0x02; + continue; + } + if( c=='e' || c=='E' ){ + if( z[j-1]<'0' ){ + if( ALWAYS(z[j-1]=='.') && ALWAYS(j-2>=i) && sqlite3Isdigit(z[j-2]) ){ + pParse->hasNonstd = 1; + t |= 0x01; + }else{ + pParse->iErr = j; + return -1; + } + } + if( seenE ){ + pParse->iErr = j; + return -1; + } + t |= 0x02; + seenE = 1; + c = z[j+1]; + if( c=='+' || c=='-' ){ + j++; + c = z[j+1]; + } + if( c<'0' || c>'9' ){ + pParse->iErr = j; + return -1; + } + continue; + } + break; + } + if( z[j-1]<'0' ){ + if( ALWAYS(z[j-1]=='.') && ALWAYS(j-2>=i) && sqlite3Isdigit(z[j-2]) ){ + pParse->hasNonstd = 1; + t |= 0x01; + }else{ + pParse->iErr = j; + return -1; + } + } + parse_number_finish: + assert( JSONB_INT+0x01==JSONB_INT5 ); + assert( JSONB_FLOAT+0x01==JSONB_FLOAT5 ); + assert( JSONB_INT+0x02==JSONB_FLOAT ); + if( z[i]=='+' ) i++; + jsonBlobAppendNode(pParse, JSONB_INT+t, j-i, &z[i]); + return j; + } + case '}': { + pParse->iErr = i; + return -2; /* End of {...} */ + } + case ']': { + pParse->iErr = i; + return -3; /* End of [...] */ + } + case ',': { + pParse->iErr = i; + return -4; /* List separator */ + } + case ':': { + pParse->iErr = i; + return -5; /* Object label/value separator */ + } + case 0: { + return 0; /* End of file */ + } + case 0x09: + case 0x0a: + case 0x0d: + case 0x20: { + i += 1 + (u32)strspn(&z[i+1], jsonSpaces); + goto json_parse_restart; + } + case 0x0b: + case 0x0c: + case '/': + case 0xc2: + case 0xe1: + case 0xe2: + case 0xe3: + case 0xef: { + j = json5Whitespace(&z[i]); + if( j>0 ){ + i += j; + pParse->hasNonstd = 1; + goto json_parse_restart; + } + pParse->iErr = i; + return -1; + } + case 'n': { + if( strncmp(z+i,"null",4)==0 && !sqlite3Isalnum(z[i+4]) ){ + jsonBlobAppendOneByte(pParse, JSONB_NULL); + return i+4; + } + /* fall-through into the default case that checks for NaN */ + } + default: { + u32 k; + int nn; + c = z[i]; + for(k=0; khasNonstd = 1; + return i + nn; + } + pParse->iErr = i; + return -1; /* Syntax error */ + } + } /* End switch(z[i]) */ +} + + +/* +** Parse a complete JSON string. Return 0 on success or non-zero if there +** are any errors. If an error occurs, free all memory held by pParse, +** but not pParse itself. +** +** pParse must be initialized to an empty parse object prior to calling +** this routine. +*/ +static int jsonConvertTextToBlob( + JsonParse *pParse, /* Initialize and fill this JsonParse object */ + sqlite3_context *pCtx /* Report errors here */ +){ + int i; + const char *zJson = pParse->zJson; + i = jsonTranslateTextToBlob(pParse, 0); + if( pParse->oom ) i = -1; + if( i>0 ){ +#ifdef SQLITE_DEBUG + assert( pParse->iDepth==0 ); + if( sqlite3Config.bJsonSelfcheck ){ + assert( jsonbValidityCheck(pParse, 0, pParse->nBlob, 0)==0 ); + } +#endif + while( jsonIsspace(zJson[i]) ) i++; + if( zJson[i] ){ + i += json5Whitespace(&zJson[i]); + if( zJson[i] ){ + if( pCtx ) sqlite3_result_error(pCtx, "malformed JSON", -1); + jsonParseReset(pParse); + return 1; + } + pParse->hasNonstd = 1; + } + } + if( i<=0 ){ + if( pCtx!=0 ){ + if( pParse->oom ){ + sqlite3_result_error_nomem(pCtx); + }else{ + sqlite3_result_error(pCtx, "malformed JSON", -1); + } + } + jsonParseReset(pParse); + return 1; + } + return 0; +} + +/* +** The input string pStr is a well-formed JSON text string. Convert +** this into the JSONB format and make it the return value of the +** SQL function. +*/ +static void jsonReturnStringAsBlob(JsonString *pStr){ + JsonParse px; + memset(&px, 0, sizeof(px)); + jsonStringTerminate(pStr); + px.zJson = pStr->zBuf; + px.nJson = pStr->nUsed; + px.db = sqlite3_context_db_handle(pStr->pCtx); + (void)jsonTranslateTextToBlob(&px, 0); + if( px.oom ){ + sqlite3DbFree(px.db, px.aBlob); + sqlite3_result_error_nomem(pStr->pCtx); + }else{ + assert( px.nBlobAlloc>0 ); + assert( !px.bReadOnly ); + sqlite3_result_blob(pStr->pCtx, px.aBlob, px.nBlob, SQLITE_DYNAMIC); + } +} + +/* The byte at index i is a node type-code. This routine +** determines the payload size for that node and writes that +** payload size in to *pSz. It returns the offset from i to the +** beginning of the payload. Return 0 on error. +*/ +static u32 jsonbPayloadSize(const JsonParse *pParse, u32 i, u32 *pSz){ + u8 x; + u32 sz; + u32 n; + if( NEVER(i>pParse->nBlob) ){ + *pSz = 0; + return 0; + } + x = pParse->aBlob[i]>>4; + if( x<=11 ){ + sz = x; + n = 1; + }else if( x==12 ){ + if( i+1>=pParse->nBlob ){ + *pSz = 0; + return 0; + } + sz = pParse->aBlob[i+1]; + n = 2; + }else if( x==13 ){ + if( i+2>=pParse->nBlob ){ + *pSz = 0; + return 0; + } + sz = (pParse->aBlob[i+1]<<8) + pParse->aBlob[i+2]; + n = 3; + }else if( x==14 ){ + if( i+4>=pParse->nBlob ){ + *pSz = 0; + return 0; + } + sz = ((u32)pParse->aBlob[i+1]<<24) + (pParse->aBlob[i+2]<<16) + + (pParse->aBlob[i+3]<<8) + pParse->aBlob[i+4]; + n = 5; + }else{ + if( i+8>=pParse->nBlob + || pParse->aBlob[i+1]!=0 + || pParse->aBlob[i+2]!=0 + || pParse->aBlob[i+3]!=0 + || pParse->aBlob[i+4]!=0 + ){ + *pSz = 0; + return 0; + } + sz = (pParse->aBlob[i+5]<<24) + (pParse->aBlob[i+6]<<16) + + (pParse->aBlob[i+7]<<8) + pParse->aBlob[i+8]; + n = 9; + } + if( i+sz+n > pParse->nBlob + && i+sz+n > pParse->nBlob-pParse->delta + ){ + sz = 0; + n = 0; + } + *pSz = sz; + return n; +} + + +/* +** Translate the binary JSONB representation of JSON beginning at +** pParse->aBlob[i] into a JSON text string. Append the JSON +** text onto the end of pOut. Return the index in pParse->aBlob[] +** of the first byte past the end of the element that is translated. +** +** If an error is detected in the BLOB input, the pOut->eErr flag +** might get set to JSTRING_MALFORMED. But not all BLOB input errors +** are detected. So a malformed JSONB input might either result +** in an error, or in incorrect JSON. +** +** The pOut->eErr JSTRING_OOM flag is set on a OOM. +*/ +static u32 jsonTranslateBlobToText( + const JsonParse *pParse, /* the complete parse of the JSON */ + u32 i, /* Start rendering at this index */ + JsonString *pOut /* Write JSON here */ +){ + u32 sz, n, j, iEnd; + + n = jsonbPayloadSize(pParse, i, &sz); + if( n==0 ){ + pOut->eErr |= JSTRING_MALFORMED; + return pParse->nBlob+1; + } + switch( pParse->aBlob[i] & 0x0f ){ + case JSONB_NULL: { + jsonAppendRawNZ(pOut, "null", 4); + return i+1; + } + case JSONB_TRUE: { + jsonAppendRawNZ(pOut, "true", 4); + return i+1; + } + case JSONB_FALSE: { + jsonAppendRawNZ(pOut, "false", 5); + return i+1; + } + case JSONB_INT: + case JSONB_FLOAT: { + jsonAppendRaw(pOut, (const char*)&pParse->aBlob[i+n], sz); + break; + } + case JSONB_INT5: { /* Integer literal in hexadecimal notation */ + u32 k = 2; + sqlite3_uint64 u = 0; + const char *zIn = (const char*)&pParse->aBlob[i+n]; + int bOverflow = 0; + if( zIn[0]=='-' ){ + jsonAppendChar(pOut, '-'); + k++; + }else if( zIn[0]=='+' ){ + k++; + } + for(; keErr |= JSTRING_MALFORMED; + break; + }else if( (u>>60)!=0 ){ + bOverflow = 1; + }else{ + u = u*16 + sqlite3HexToInt(zIn[k]); + } + } + jsonPrintf(100,pOut,bOverflow?"9.0e999":"%llu", u); + break; + } + case JSONB_FLOAT5: { /* Float literal missing digits beside "." */ + u32 k = 0; + const char *zIn = (const char*)&pParse->aBlob[i+n]; + if( zIn[0]=='-' ){ + jsonAppendChar(pOut, '-'); + k++; + } + if( zIn[k]=='.' ){ + jsonAppendChar(pOut, '0'); + } + for(; kaBlob[i+n], sz); + jsonAppendChar(pOut, '"'); + break; + } + case JSONB_TEXT5: { + const char *zIn; + u32 k; + u32 sz2 = sz; + zIn = (const char*)&pParse->aBlob[i+n]; + jsonAppendChar(pOut, '"'); + while( sz2>0 ){ + for(k=0; k0 ){ + jsonAppendRawNZ(pOut, zIn, k); + if( k>=sz2 ){ + break; + } + zIn += k; + sz2 -= k; + } + if( zIn[0]=='"' ){ + jsonAppendRawNZ(pOut, "\\\"", 2); + zIn++; + sz2--; + continue; + } + assert( zIn[0]=='\\' ); + assert( sz2>=1 ); + if( sz2<2 ){ + pOut->eErr |= JSTRING_MALFORMED; + break; + } + switch( (u8)zIn[1] ){ + case '\'': + jsonAppendChar(pOut, '\''); + break; + case 'v': + jsonAppendRawNZ(pOut, "\\u0009", 6); + break; + case 'x': + if( sz2<4 ){ + pOut->eErr |= JSTRING_MALFORMED; + sz2 = 2; + break; + } + jsonAppendRawNZ(pOut, "\\u00", 4); + jsonAppendRawNZ(pOut, &zIn[2], 2); + zIn += 2; + sz2 -= 2; + break; + case '0': + jsonAppendRawNZ(pOut, "\\u0000", 6); + break; + case '\r': + if( sz2>2 && zIn[2]=='\n' ){ + zIn++; + sz2--; + } + break; + case '\n': + break; + case 0xe2: + /* '\' followed by either U+2028 or U+2029 is ignored as + ** whitespace. Not that in UTF8, U+2028 is 0xe2 0x80 0x29. + ** U+2029 is the same except for the last byte */ + if( sz2<4 + || 0x80!=(u8)zIn[2] + || (0xa8!=(u8)zIn[3] && 0xa9!=(u8)zIn[3]) + ){ + pOut->eErr |= JSTRING_MALFORMED; + sz2 = 2; + break; + } + zIn += 2; + sz2 -= 2; + break; + default: + jsonAppendRawNZ(pOut, zIn, 2); + break; + } + assert( sz2>=2 ); + zIn += 2; + sz2 -= 2; + } + jsonAppendChar(pOut, '"'); + break; + } + case JSONB_TEXTRAW: { + jsonAppendString(pOut, (const char*)&pParse->aBlob[i+n], sz); + break; + } + case JSONB_ARRAY: { + jsonAppendChar(pOut, '['); + j = i+n; + iEnd = j+sz; + while( j0 ) pOut->nUsed--; + jsonAppendChar(pOut, ']'); + break; + } + case JSONB_OBJECT: { + int x = 0; + jsonAppendChar(pOut, '{'); + j = i+n; + iEnd = j+sz; + while( jeErr |= JSTRING_MALFORMED; + if( sz>0 ) pOut->nUsed--; + jsonAppendChar(pOut, '}'); + break; + } + + default: { + pOut->eErr |= JSTRING_MALFORMED; + break; + } + } + return i+n+sz; +} + +/* Return true if the input pJson +** +** For performance reasons, this routine does not do a detailed check of the +** input BLOB to ensure that it is well-formed. Hence, false positives are +** possible. False negatives should never occur, however. +*/ +static int jsonFuncArgMightBeBinary(sqlite3_value *pJson){ + u32 sz, n; + const u8 *aBlob; + int nBlob; + JsonParse s; + if( sqlite3_value_type(pJson)!=SQLITE_BLOB ) return 0; + aBlob = sqlite3_value_blob(pJson); + nBlob = sqlite3_value_bytes(pJson); + if( nBlob<1 ) return 0; + if( NEVER(aBlob==0) || (aBlob[0] & 0x0f)>JSONB_OBJECT ) return 0; + memset(&s, 0, sizeof(s)); + s.aBlob = (u8*)aBlob; + s.nBlob = nBlob; + n = jsonbPayloadSize(&s, 0, &sz); + if( n==0 ) return 0; + if( sz+n!=(u32)nBlob ) return 0; + if( (aBlob[0] & 0x0f)<=JSONB_FALSE && sz>0 ) return 0; + return sz+n==(u32)nBlob; +} + +/* +** Given that a JSONB_ARRAY object starts at offset i, return +** the number of entries in that array. +*/ +static u32 jsonbArrayCount(JsonParse *pParse, u32 iRoot){ + u32 n, sz, i, iEnd; + u32 k = 0; + n = jsonbPayloadSize(pParse, iRoot, &sz); + iEnd = iRoot+n+sz; + for(i=iRoot+n; n>0 && idelta. +*/ +static void jsonAfterEditSizeAdjust(JsonParse *pParse, u32 iRoot){ + u32 sz = 0; + u32 nBlob; + assert( pParse->delta!=0 ); + assert( pParse->nBlobAlloc >= pParse->nBlob ); + nBlob = pParse->nBlob; + pParse->nBlob = pParse->nBlobAlloc; + (void)jsonbPayloadSize(pParse, iRoot, &sz); + pParse->nBlob = nBlob; + sz += pParse->delta; + pParse->delta += jsonBlobChangePayloadSize(pParse, iRoot, sz); +} + +/* +** Modify the JSONB blob at pParse->aBlob by removing nDel bytes of +** content beginning at iDel, and replacing them with nIns bytes of +** content given by aIns. +** +** nDel may be zero, in which case no bytes are removed. But iDel is +** still important as new bytes will be insert beginning at iDel. +** +** aIns may be zero, in which case space is created to hold nIns bytes +** beginning at iDel, but that space is uninitialized. +** +** Set pParse->oom if an OOM occurs. +*/ +static void jsonBlobEdit( + JsonParse *pParse, /* The JSONB to be modified is in pParse->aBlob */ + u32 iDel, /* First byte to be removed */ + u32 nDel, /* Number of bytes to remove */ + const u8 *aIns, /* Content to insert */ + u32 nIns /* Bytes of content to insert */ +){ + i64 d = (i64)nIns - (i64)nDel; + if( d!=0 ){ + if( pParse->nBlob + d > pParse->nBlobAlloc ){ + jsonBlobExpand(pParse, pParse->nBlob+d); + if( pParse->oom ) return; + } + memmove(&pParse->aBlob[iDel+nIns], + &pParse->aBlob[iDel+nDel], + pParse->nBlob - (iDel+nDel)); + pParse->nBlob += d; + pParse->delta += d; + } + if( nIns && aIns ) memcpy(&pParse->aBlob[iDel], aIns, nIns); +} + +/* +** Return the number of escaped newlines to be ignored. +** An escaped newline is a one of the following byte sequences: +** +** 0x5c 0x0a +** 0x5c 0x0d +** 0x5c 0x0d 0x0a +** 0x5c 0xe2 0x80 0xa8 +** 0x5c 0xe2 0x80 0xa9 +*/ +static u32 jsonBytesToBypass(const char *z, u32 n){ + u32 i = 0; + while( i+10 ); + assert( z[0]=='\\' ); + if( n<2 ){ + *piOut = JSON_INVALID_CHAR; + return n; + } + switch( (u8)z[1] ){ + case 'u': { + u32 v, vlo; + if( n<6 ){ + *piOut = JSON_INVALID_CHAR; + return n; + } + v = jsonHexToInt4(&z[2]); + if( (v & 0xfc00)==0xd800 + && n>=12 + && z[6]=='\\' + && z[7]=='u' + && ((vlo = jsonHexToInt4(&z[8]))&0xfc00)==0xdc00 + ){ + *piOut = ((v&0x3ff)<<10) + (vlo&0x3ff) + 0x10000; + return 12; + }else{ + *piOut = v; + return 6; + } + } + case 'b': { *piOut = '\b'; return 2; } + case 'f': { *piOut = '\f'; return 2; } + case 'n': { *piOut = '\n'; return 2; } + case 'r': { *piOut = '\r'; return 2; } + case 't': { *piOut = '\t'; return 2; } + case 'v': { *piOut = '\v'; return 2; } + case '0': { *piOut = 0; return 2; } + case '\'': + case '"': + case '/': + case '\\':{ *piOut = z[1]; return 2; } + case 'x': { + if( n<4 ){ + *piOut = JSON_INVALID_CHAR; + return n; + } + *piOut = (jsonHexToInt(z[2])<<4) | jsonHexToInt(z[3]); + return 4; + } + case 0xe2: + case '\r': + case '\n': { + u32 nSkip = jsonBytesToBypass(z, n); + if( nSkip==0 ){ + *piOut = JSON_INVALID_CHAR; + return n; + }else if( nSkip==n ){ + *piOut = 0; + return n; + }else if( z[nSkip]=='\\' ){ + return nSkip + jsonUnescapeOneChar(&z[nSkip], n-nSkip, piOut); + }else{ + int sz = sqlite3Utf8ReadLimited((u8*)&z[nSkip], n-nSkip, piOut); + return nSkip + sz; + } + } + default: { + *piOut = JSON_INVALID_CHAR; + return 2; } } } +/* +** Compare two object labels. Return 1 if they are equal and +** 0 if they differ. +** +** In this version, we know that one or the other or both of the +** two comparands contains an escape sequence. +*/ +static SQLITE_NOINLINE int jsonLabelCompareEscaped( + const char *zLeft, /* The left label */ + u32 nLeft, /* Size of the left label in bytes */ + int rawLeft, /* True if zLeft contains no escapes */ + const char *zRight, /* The right label */ + u32 nRight, /* Size of the right label in bytes */ + int rawRight /* True if zRight is escape-free */ +){ + u32 cLeft, cRight; + assert( rawLeft==0 || rawRight==0 ); + while( 1 /*exit-by-return*/ ){ + if( nLeft==0 ){ + cLeft = 0; + }else if( rawLeft || zLeft[0]!='\\' ){ + cLeft = ((u8*)zLeft)[0]; + if( cLeft>=0xc0 ){ + int sz = sqlite3Utf8ReadLimited((u8*)zLeft, nLeft, &cLeft); + zLeft += sz; + nLeft -= sz; + }else{ + zLeft++; + nLeft--; + } + }else{ + u32 n = jsonUnescapeOneChar(zLeft, nLeft, &cLeft); + zLeft += n; + assert( n<=nLeft ); + nLeft -= n; + } + if( nRight==0 ){ + cRight = 0; + }else if( rawRight || zRight[0]!='\\' ){ + cRight = ((u8*)zRight)[0]; + if( cRight>=0xc0 ){ + int sz = sqlite3Utf8ReadLimited((u8*)zRight, nRight, &cRight); + zRight += sz; + nRight -= sz; + }else{ + zRight++; + nRight--; + } + }else{ + u32 n = jsonUnescapeOneChar(zRight, nRight, &cRight); + zRight += n; + assert( n<=nRight ); + nRight -= n; + } + if( cLeft!=cRight ) return 0; + if( cLeft==0 ) return 1; + } +} + +/* +** Compare two object labels. Return 1 if they are equal and +** 0 if they differ. Return -1 if an OOM occurs. +*/ +static int jsonLabelCompare( + const char *zLeft, /* The left label */ + u32 nLeft, /* Size of the left label in bytes */ + int rawLeft, /* True if zLeft contains no escapes */ + const char *zRight, /* The right label */ + u32 nRight, /* Size of the right label in bytes */ + int rawRight /* True if zRight is escape-free */ +){ + if( rawLeft && rawRight ){ + /* Simpliest case: Neither label contains escapes. A simple + ** memcmp() is sufficient. */ + if( nLeft!=nRight ) return 0; + return memcmp(zLeft, zRight, nLeft)==0; + }else{ + return jsonLabelCompareEscaped(zLeft, nLeft, rawLeft, + zRight, nRight, rawRight); + } +} + +/* +** Error returns from jsonLookupStep() +*/ +#define JSON_LOOKUP_ERROR 0xffffffff +#define JSON_LOOKUP_NOTFOUND 0xfffffffe +#define JSON_LOOKUP_PATHERROR 0xfffffffd +#define JSON_LOOKUP_ISERROR(x) ((x)>=JSON_LOOKUP_PATHERROR) + +/* Forward declaration */ +static u32 jsonLookupStep(JsonParse*,u32,const char*,u32); + + +/* This helper routine for jsonLookupStep() populates pIns with +** binary data that is to be inserted into pParse. +** +** In the common case, pIns just points to pParse->aIns and pParse->nIns. +** But if the zPath of the original edit operation includes path elements +** that go deeper, additional substructure must be created. +** +** For example: +** +** json_insert('{}', '$.a.b.c', 123); +** +** The search stops at '$.a' But additional substructure must be +** created for the ".b.c" part of the patch so that the final result +** is: {"a":{"b":{"c"::123}}}. This routine populates pIns with +** the binary equivalent of {"b":{"c":123}} so that it can be inserted. +** +** The caller is responsible for resetting pIns when it has finished +** using the substructure. +*/ +static u32 jsonCreateEditSubstructure( + JsonParse *pParse, /* The original JSONB that is being edited */ + JsonParse *pIns, /* Populate this with the blob data to insert */ + const char *zTail /* Tail of the path that determins substructure */ +){ + static const u8 emptyObject[] = { JSONB_ARRAY, JSONB_OBJECT }; + int rc; + memset(pIns, 0, sizeof(*pIns)); + pIns->db = pParse->db; + if( zTail[0]==0 ){ + /* No substructure. Just insert what is given in pParse. */ + pIns->aBlob = pParse->aIns; + pIns->nBlob = pParse->nIns; + rc = 0; + }else{ + /* Construct the binary substructure */ + pIns->nBlob = 1; + pIns->aBlob = (u8*)&emptyObject[zTail[0]=='.']; + pIns->eEdit = pParse->eEdit; + pIns->nIns = pParse->nIns; + pIns->aIns = pParse->aIns; + rc = jsonLookupStep(pIns, 0, zTail, 0); + pParse->oom |= pIns->oom; + } + return rc; /* Error code only */ +} + +/* +** Search along zPath to find the Json element specified. Return an +** index into pParse->aBlob[] for the start of that element's value. +** +** If the value found by this routine is the value half of label/value pair +** within an object, then set pPath->iLabel to the start of the corresponding +** label, before returning. +** +** Return one of the JSON_LOOKUP error codes if problems are seen. +** +** This routine will also modify the blob. If pParse->eEdit is one of +** JEDIT_DEL, JEDIT_REPL, JEDIT_INS, or JEDIT_SET, then changes might be +** made to the selected value. If an edit is performed, then the return +** value does not necessarily point to the select element. If an edit +** is performed, the return value is only useful for detecting error +** conditions. +*/ +static u32 jsonLookupStep( + JsonParse *pParse, /* The JSON to search */ + u32 iRoot, /* Begin the search at this element of aBlob[] */ + const char *zPath, /* The path to search */ + u32 iLabel /* Label if iRoot is a value of in an object */ +){ + u32 i, j, k, nKey, sz, n, iEnd, rc; + const char *zKey; + u8 x; + + if( zPath[0]==0 ){ + if( pParse->eEdit && jsonBlobMakeEditable(pParse, pParse->nIns) ){ + n = jsonbPayloadSize(pParse, iRoot, &sz); + sz += n; + if( pParse->eEdit==JEDIT_DEL ){ + if( iLabel>0 ){ + sz += iRoot - iLabel; + iRoot = iLabel; + } + jsonBlobEdit(pParse, iRoot, sz, 0, 0); + }else if( pParse->eEdit==JEDIT_INS ){ + /* Already exists, so json_insert() is a no-op */ + }else{ + /* json_set() or json_replace() */ + jsonBlobEdit(pParse, iRoot, sz, pParse->aIns, pParse->nIns); + } + } + pParse->iLabel = iLabel; + return iRoot; + } + if( zPath[0]=='.' ){ + int rawKey = 1; + x = pParse->aBlob[iRoot]; + zPath++; + if( zPath[0]=='"' ){ + zKey = zPath + 1; + for(i=1; zPath[i] && zPath[i]!='"'; i++){} + nKey = i-1; + if( zPath[i] ){ + i++; + }else{ + return JSON_LOOKUP_PATHERROR; + } + testcase( nKey==0 ); + rawKey = memchr(zKey, '\\', nKey)==0; + }else{ + zKey = zPath; + for(i=0; zPath[i] && zPath[i]!='.' && zPath[i]!='['; i++){} + nKey = i; + if( nKey==0 ){ + return JSON_LOOKUP_PATHERROR; + } + } + if( (x & 0x0f)!=JSONB_OBJECT ) return JSON_LOOKUP_NOTFOUND; + n = jsonbPayloadSize(pParse, iRoot, &sz); + j = iRoot + n; /* j is the index of a label */ + iEnd = j+sz; + while( jaBlob[j] & 0x0f; + if( xJSONB_TEXTRAW ) return JSON_LOOKUP_ERROR; + n = jsonbPayloadSize(pParse, j, &sz); + if( n==0 ) return JSON_LOOKUP_ERROR; + k = j+n; /* k is the index of the label text */ + if( k+sz>=iEnd ) return JSON_LOOKUP_ERROR; + zLabel = (const char*)&pParse->aBlob[k]; + rawLabel = x==JSONB_TEXT || x==JSONB_TEXTRAW; + if( jsonLabelCompare(zKey, nKey, rawKey, zLabel, sz, rawLabel) ){ + u32 v = k+sz; /* v is the index of the value */ + if( ((pParse->aBlob[v])&0x0f)>JSONB_OBJECT ) return JSON_LOOKUP_ERROR; + n = jsonbPayloadSize(pParse, v, &sz); + if( n==0 || v+n+sz>iEnd ) return JSON_LOOKUP_ERROR; + assert( j>0 ); + rc = jsonLookupStep(pParse, v, &zPath[i], j); + if( pParse->delta ) jsonAfterEditSizeAdjust(pParse, iRoot); + return rc; + } + j = k+sz; + if( ((pParse->aBlob[j])&0x0f)>JSONB_OBJECT ) return JSON_LOOKUP_ERROR; + n = jsonbPayloadSize(pParse, j, &sz); + if( n==0 ) return JSON_LOOKUP_ERROR; + j += n+sz; + } + if( j>iEnd ) return JSON_LOOKUP_ERROR; + if( pParse->eEdit>=JEDIT_INS ){ + u32 nIns; /* Total bytes to insert (label+value) */ + JsonParse v; /* BLOB encoding of the value to be inserted */ + JsonParse ix; /* Header of the label to be inserted */ + testcase( pParse->eEdit==JEDIT_INS ); + testcase( pParse->eEdit==JEDIT_SET ); + memset(&ix, 0, sizeof(ix)); + ix.db = pParse->db; + jsonBlobAppendNode(&ix, rawKey?JSONB_TEXTRAW:JSONB_TEXT5, nKey, 0); + pParse->oom |= ix.oom; + rc = jsonCreateEditSubstructure(pParse, &v, &zPath[i]); + if( !JSON_LOOKUP_ISERROR(rc) + && jsonBlobMakeEditable(pParse, ix.nBlob+nKey+v.nBlob) + ){ + assert( !pParse->oom ); + nIns = ix.nBlob + nKey + v.nBlob; + jsonBlobEdit(pParse, j, 0, 0, nIns); + if( !pParse->oom ){ + assert( pParse->aBlob!=0 ); /* Because pParse->oom!=0 */ + assert( ix.aBlob!=0 ); /* Because pPasre->oom!=0 */ + memcpy(&pParse->aBlob[j], ix.aBlob, ix.nBlob); + k = j + ix.nBlob; + memcpy(&pParse->aBlob[k], zKey, nKey); + k += nKey; + memcpy(&pParse->aBlob[k], v.aBlob, v.nBlob); + if( ALWAYS(pParse->delta) ) jsonAfterEditSizeAdjust(pParse, iRoot); + } + } + jsonParseReset(&v); + jsonParseReset(&ix); + return rc; + } + }else if( zPath[0]=='[' ){ + x = pParse->aBlob[iRoot] & 0x0f; + if( x!=JSONB_ARRAY ) return JSON_LOOKUP_NOTFOUND; + n = jsonbPayloadSize(pParse, iRoot, &sz); + k = 0; + i = 1; + while( sqlite3Isdigit(zPath[i]) ){ + k = k*10 + zPath[i] - '0'; + i++; + } + if( i<2 || zPath[i]!=']' ){ + if( zPath[1]=='#' ){ + k = jsonbArrayCount(pParse, iRoot); + i = 2; + if( zPath[2]=='-' && sqlite3Isdigit(zPath[3]) ){ + unsigned int nn = 0; + i = 3; + do{ + nn = nn*10 + zPath[i] - '0'; + i++; + }while( sqlite3Isdigit(zPath[i]) ); + if( nn>k ) return JSON_LOOKUP_NOTFOUND; + k -= nn; + } + if( zPath[i]!=']' ){ + return JSON_LOOKUP_PATHERROR; + } + }else{ + return JSON_LOOKUP_PATHERROR; + } + } + j = iRoot+n; + iEnd = j+sz; + while( jdelta ) jsonAfterEditSizeAdjust(pParse, iRoot); + return rc; + } + k--; + n = jsonbPayloadSize(pParse, j, &sz); + if( n==0 ) return JSON_LOOKUP_ERROR; + j += n+sz; + } + if( j>iEnd ) return JSON_LOOKUP_ERROR; + if( k>0 ) return JSON_LOOKUP_NOTFOUND; + if( pParse->eEdit>=JEDIT_INS ){ + JsonParse v; + testcase( pParse->eEdit==JEDIT_INS ); + testcase( pParse->eEdit==JEDIT_SET ); + rc = jsonCreateEditSubstructure(pParse, &v, &zPath[i+1]); + if( !JSON_LOOKUP_ISERROR(rc) + && jsonBlobMakeEditable(pParse, v.nBlob) + ){ + assert( !pParse->oom ); + jsonBlobEdit(pParse, j, 0, v.aBlob, v.nBlob); + } + jsonParseReset(&v); + if( pParse->delta ) jsonAfterEditSizeAdjust(pParse, iRoot); + return rc; + } + }else{ + return JSON_LOOKUP_PATHERROR; + } + return JSON_LOOKUP_NOTFOUND; +} + +/* +** Convert a JSON BLOB into text and make that text the return value +** of an SQL function. +*/ +static void jsonReturnTextJsonFromBlob( + sqlite3_context *ctx, + const u8 *aBlob, + u32 nBlob +){ + JsonParse x; + JsonString s; + + if( NEVER(aBlob==0) ) return; + memset(&x, 0, sizeof(x)); + x.aBlob = (u8*)aBlob; + x.nBlob = nBlob; + jsonStringInit(&s, ctx); + jsonTranslateBlobToText(&x, 0, &s); + jsonReturnString(&s, 0, 0); +} + + +/* +** Return the value of the BLOB node at index i. +** +** If the value is a primitive, return it as an SQL value. +** If the value is an array or object, return it as either +** JSON text or the BLOB encoding, depending on the JSON_B flag +** on the userdata. +*/ +static void jsonReturnFromBlob( + JsonParse *pParse, /* Complete JSON parse tree */ + u32 i, /* Index of the node */ + sqlite3_context *pCtx, /* Return value for this function */ + int textOnly /* return text JSON. Disregard user-data */ +){ + u32 n, sz; + int rc; + sqlite3 *db = sqlite3_context_db_handle(pCtx); + + n = jsonbPayloadSize(pParse, i, &sz); + if( n==0 ){ + sqlite3_result_error(pCtx, "malformed JSON", -1); + return; + } + switch( pParse->aBlob[i] & 0x0f ){ + case JSONB_NULL: { + if( sz ) goto returnfromblob_malformed; + sqlite3_result_null(pCtx); + break; + } + case JSONB_TRUE: { + if( sz ) goto returnfromblob_malformed; + sqlite3_result_int(pCtx, 1); + break; + } + case JSONB_FALSE: { + if( sz ) goto returnfromblob_malformed; + sqlite3_result_int(pCtx, 0); + break; + } + case JSONB_INT5: + case JSONB_INT: { + sqlite3_int64 iRes = 0; + char *z; + int bNeg = 0; + char x; + if( sz==0 ) goto returnfromblob_malformed; + x = (char)pParse->aBlob[i+n]; + if( x=='-' ){ + if( sz<2 ) goto returnfromblob_malformed; + n++; + sz--; + bNeg = 1; + } + z = sqlite3DbStrNDup(db, (const char*)&pParse->aBlob[i+n], (int)sz); + if( z==0 ) goto returnfromblob_oom; + rc = sqlite3DecOrHexToI64(z, &iRes); + sqlite3DbFree(db, z); + if( rc==0 ){ + sqlite3_result_int64(pCtx, bNeg ? -iRes : iRes); + }else if( rc==3 && bNeg ){ + sqlite3_result_int64(pCtx, SMALLEST_INT64); + }else if( rc==1 ){ + goto returnfromblob_malformed; + }else{ + if( bNeg ){ n--; sz++; } + goto to_double; + } + break; + } + case JSONB_FLOAT5: + case JSONB_FLOAT: { + double r; + char *z; + if( sz==0 ) goto returnfromblob_malformed; + to_double: + z = sqlite3DbStrNDup(db, (const char*)&pParse->aBlob[i+n], (int)sz); + if( z==0 ) goto returnfromblob_oom; + rc = sqlite3AtoF(z, &r, sqlite3Strlen30(z), SQLITE_UTF8); + sqlite3DbFree(db, z); + if( rc<=0 ) goto returnfromblob_malformed; + sqlite3_result_double(pCtx, r); + break; + } + case JSONB_TEXTRAW: + case JSONB_TEXT: { + sqlite3_result_text(pCtx, (char*)&pParse->aBlob[i+n], sz, + SQLITE_TRANSIENT); + break; + } + case JSONB_TEXT5: + case JSONB_TEXTJ: { + /* Translate JSON formatted string into raw text */ + u32 iIn, iOut; + const char *z; + char *zOut; + u32 nOut = sz; + z = (const char*)&pParse->aBlob[i+n]; + zOut = sqlite3DbMallocRaw(db, nOut+1); + if( zOut==0 ) goto returnfromblob_oom; + for(iIn=iOut=0; iIn=2 ); + zOut[iOut++] = (char)(0xc0 | (v>>6)); + zOut[iOut++] = 0x80 | (v&0x3f); + }else if( v<0x10000 ){ + assert( szEscape>=3 ); + zOut[iOut++] = 0xe0 | (v>>12); + zOut[iOut++] = 0x80 | ((v>>6)&0x3f); + zOut[iOut++] = 0x80 | (v&0x3f); + }else if( v==JSON_INVALID_CHAR ){ + /* Silently ignore illegal unicode */ + }else{ + assert( szEscape>=4 ); + zOut[iOut++] = 0xf0 | (v>>18); + zOut[iOut++] = 0x80 | ((v>>12)&0x3f); + zOut[iOut++] = 0x80 | ((v>>6)&0x3f); + zOut[iOut++] = 0x80 | (v&0x3f); + } + iIn += szEscape - 1; + }else{ + zOut[iOut++] = c; + } + } /* end for() */ + assert( iOut<=nOut ); + zOut[iOut] = 0; + sqlite3_result_text(pCtx, zOut, iOut, SQLITE_DYNAMIC); + break; + } + case JSONB_ARRAY: + case JSONB_OBJECT: { + int flags = textOnly ? 0 : SQLITE_PTR_TO_INT(sqlite3_user_data(pCtx)); + if( flags & JSON_BLOB ){ + sqlite3_result_blob(pCtx, &pParse->aBlob[i], sz+n, SQLITE_TRANSIENT); + }else{ + jsonReturnTextJsonFromBlob(pCtx, &pParse->aBlob[i], sz+n); + } + break; + } + default: { + goto returnfromblob_malformed; + } + } + return; + +returnfromblob_oom: + sqlite3_result_error_nomem(pCtx); + return; + +returnfromblob_malformed: + sqlite3_result_error(pCtx, "malformed JSON", -1); + return; +} + +/* +** pArg is a function argument that might be an SQL value or a JSON +** value. Figure out what it is and encode it as a JSONB blob. +** Return the results in pParse. +** +** pParse is uninitialized upon entry. This routine will handle the +** initialization of pParse. The result will be contained in +** pParse->aBlob and pParse->nBlob. pParse->aBlob might be dynamically +** allocated (if pParse->nBlobAlloc is greater than zero) in which case +** the caller is responsible for freeing the space allocated to pParse->aBlob +** when it has finished with it. Or pParse->aBlob might be a static string +** or a value obtained from sqlite3_value_blob(pArg). +** +** If the argument is a BLOB that is clearly not a JSONB, then this +** function might set an error message in ctx and return non-zero. +** It might also set an error message and return non-zero on an OOM error. +*/ +static int jsonFunctionArgToBlob( + sqlite3_context *ctx, + sqlite3_value *pArg, + JsonParse *pParse +){ + int eType = sqlite3_value_type(pArg); + static u8 aNull[] = { 0x00 }; + memset(pParse, 0, sizeof(pParse[0])); + pParse->db = sqlite3_context_db_handle(ctx); + switch( eType ){ + default: { + pParse->aBlob = aNull; + pParse->nBlob = 1; + return 0; + } + case SQLITE_BLOB: { + if( jsonFuncArgMightBeBinary(pArg) ){ + pParse->aBlob = (u8*)sqlite3_value_blob(pArg); + pParse->nBlob = sqlite3_value_bytes(pArg); + }else{ + sqlite3_result_error(ctx, "JSON cannot hold BLOB values", -1); + return 1; + } + break; + } + case SQLITE_TEXT: { + const char *zJson = (const char*)sqlite3_value_text(pArg); + int nJson = sqlite3_value_bytes(pArg); + if( zJson==0 ) return 1; + if( sqlite3_value_subtype(pArg)==JSON_SUBTYPE ){ + pParse->zJson = (char*)zJson; + pParse->nJson = nJson; + if( jsonConvertTextToBlob(pParse, ctx) ){ + sqlite3_result_error(ctx, "malformed JSON", -1); + sqlite3DbFree(pParse->db, pParse->aBlob); + memset(pParse, 0, sizeof(pParse[0])); + return 1; + } + }else{ + jsonBlobAppendNode(pParse, JSONB_TEXTRAW, nJson, zJson); + } + break; + } + case SQLITE_FLOAT: { + double r = sqlite3_value_double(pArg); + if( NEVER(sqlite3IsNaN(r)) ){ + jsonBlobAppendNode(pParse, JSONB_NULL, 0, 0); + }else{ + int n = sqlite3_value_bytes(pArg); + const char *z = (const char*)sqlite3_value_text(pArg); + if( z==0 ) return 1; + if( z[0]=='I' ){ + jsonBlobAppendNode(pParse, JSONB_FLOAT, 5, "9e999"); + }else if( z[0]=='-' && z[1]=='I' ){ + jsonBlobAppendNode(pParse, JSONB_FLOAT, 6, "-9e999"); + }else{ + jsonBlobAppendNode(pParse, JSONB_FLOAT, n, z); + } + } + break; + } + case SQLITE_INTEGER: { + int n = sqlite3_value_bytes(pArg); + const char *z = (const char*)sqlite3_value_text(pArg); + if( z==0 ) return 1; + jsonBlobAppendNode(pParse, JSONB_INT, n, z); + break; + } + } + if( pParse->oom ){ + sqlite3_result_error_nomem(ctx); + return 1; + }else{ + return 0; + } +} + +/* +** Generate a bad path error. +** +** If ctx is not NULL then push the error message into ctx and return NULL. +** If ctx is NULL, then return the text of the error message. +*/ +static char *jsonBadPathError( + sqlite3_context *ctx, /* The function call containing the error */ + const char *zPath /* The path with the problem */ +){ + char *zMsg = sqlite3_mprintf("bad JSON path: %Q", zPath); + if( ctx==0 ) return zMsg; + if( zMsg ){ + sqlite3_result_error(ctx, zMsg, -1); + sqlite3_free(zMsg); + }else{ + sqlite3_result_error_nomem(ctx); + } + return 0; +} + +/* argv[0] is a BLOB that seems likely to be a JSONB. Subsequent +** arguments come in parse where each pair contains a JSON path and +** content to insert or set at that patch. Do the updates +** and return the result. +** +** The specific operation is determined by eEdit, which can be one +** of JEDIT_INS, JEDIT_REPL, or JEDIT_SET. +*/ +static void jsonInsertIntoBlob( + sqlite3_context *ctx, + int argc, + sqlite3_value **argv, + int eEdit /* JEDIT_INS, JEDIT_REPL, or JEDIT_SET */ +){ + int i; + u32 rc = 0; + const char *zPath = 0; + int flgs; + JsonParse *p; + JsonParse ax; + + assert( (argc&1)==1 ); + flgs = argc==1 ? 0 : JSON_EDITABLE; + p = jsonParseFuncArg(ctx, argv[0], flgs); + if( p==0 ) return; + for(i=1; inBlob, ax.aBlob, ax.nBlob); + } + rc = 0; + }else{ + p->eEdit = eEdit; + p->nIns = ax.nBlob; + p->aIns = ax.aBlob; + p->delta = 0; + rc = jsonLookupStep(p, 0, zPath+1, 0); + } + jsonParseReset(&ax); + if( rc==JSON_LOOKUP_NOTFOUND ) continue; + if( JSON_LOOKUP_ISERROR(rc) ) goto jsonInsertIntoBlob_patherror; + } + jsonReturnParse(ctx, p); + jsonParseFree(p); + return; + +jsonInsertIntoBlob_patherror: + jsonParseFree(p); + if( rc==JSON_LOOKUP_ERROR ){ + sqlite3_result_error(ctx, "malformed JSON", -1); + }else{ + jsonBadPathError(ctx, zPath); + } + return; +} + +/* +** Generate a JsonParse object, containing valid JSONB in aBlob and nBlob, +** from the SQL function argument pArg. Return a pointer to the new +** JsonParse object. +** +** Ownership of the new JsonParse object is passed to the caller. The +** caller should invoke jsonParseFree() on the return value when it +** has finished using it. +** +** If any errors are detected, an appropriate error messages is set +** using sqlite3_result_error() or the equivalent and this routine +** returns NULL. This routine also returns NULL if the pArg argument +** is an SQL NULL value, but no error message is set in that case. This +** is so that SQL functions that are given NULL arguments will return +** a NULL value. +*/ +static JsonParse *jsonParseFuncArg( + sqlite3_context *ctx, + sqlite3_value *pArg, + u32 flgs +){ + int eType; /* Datatype of pArg */ + JsonParse *p = 0; /* Value to be returned */ + JsonParse *pFromCache = 0; /* Value taken from cache */ + sqlite3 *db; /* The database connection */ + + assert( ctx!=0 ); + eType = sqlite3_value_type(pArg); + if( eType==SQLITE_NULL ){ + return 0; + } + pFromCache = jsonCacheSearch(ctx, pArg); + if( pFromCache ){ + pFromCache->nJPRef++; + if( (flgs & JSON_EDITABLE)==0 ){ + return pFromCache; + } + } + db = sqlite3_context_db_handle(ctx); +rebuild_from_cache: + p = sqlite3DbMallocZero(db, sizeof(*p)); + if( p==0 ) goto json_pfa_oom; + memset(p, 0, sizeof(*p)); + p->db = db; + p->nJPRef = 1; + if( pFromCache!=0 ){ + u32 nBlob = pFromCache->nBlob; + p->aBlob = sqlite3DbMallocRaw(db, nBlob); + if( p->aBlob==0 ) goto json_pfa_oom; + memcpy(p->aBlob, pFromCache->aBlob, nBlob); + p->nBlobAlloc = p->nBlob = nBlob; + p->hasNonstd = pFromCache->hasNonstd; + jsonParseFree(pFromCache); + return p; + } + if( eType==SQLITE_BLOB ){ + u32 n, sz = 0; + p->aBlob = (u8*)sqlite3_value_blob(pArg); + p->nBlob = (u32)sqlite3_value_bytes(pArg); + if( p->nBlob==0 ){ + goto json_pfa_malformed; + } + if( NEVER(p->aBlob==0) ){ + goto json_pfa_oom; + } + if( (p->aBlob[0] & 0x0f)>JSONB_OBJECT ){ + goto json_pfa_malformed; + } + n = jsonbPayloadSize(p, 0, &sz); + if( n==0 + || sz+n!=p->nBlob + || ((p->aBlob[0] & 0x0f)<=JSONB_FALSE && sz>0) + ){ + goto json_pfa_malformed; + } + if( (flgs & JSON_EDITABLE)!=0 && jsonBlobMakeEditable(p, 0)==0 ){ + goto json_pfa_oom; + } + return p; + } + p->zJson = (char*)sqlite3_value_text(pArg); + p->nJson = sqlite3_value_bytes(pArg); + if( p->nJson==0 ) goto json_pfa_malformed; + if( NEVER(p->zJson==0) ) goto json_pfa_oom; + if( jsonConvertTextToBlob(p, (flgs & JSON_KEEPERROR) ? 0 : ctx) ){ + if( flgs & JSON_KEEPERROR ){ + p->nErr = 1; + return p; + }else{ + jsonParseFree(p); + return 0; + } + }else{ + int isRCStr = sqlite3ValueIsOfClass(pArg, sqlite3RCStrUnref); + int rc; + if( !isRCStr ){ + char *zNew = sqlite3RCStrNew( p->nJson ); + if( zNew==0 ) goto json_pfa_oom; + memcpy(zNew, p->zJson, p->nJson); + p->zJson = zNew; + p->zJson[p->nJson] = 0; + }else{ + sqlite3RCStrRef(p->zJson); + } + p->bJsonIsRCStr = 1; + rc = jsonCacheInsert(ctx, p); + if( rc==SQLITE_NOMEM ) goto json_pfa_oom; + if( flgs & JSON_EDITABLE ){ + pFromCache = p; + p = 0; + goto rebuild_from_cache; + } + } + return p; + +json_pfa_malformed: + if( flgs & JSON_KEEPERROR ){ + p->nErr = 1; + return p; + }else{ + jsonParseFree(p); + sqlite3_result_error(ctx, "malformed JSON", -1); + return 0; + } + +json_pfa_oom: + jsonParseFree(pFromCache); + jsonParseFree(p); + sqlite3_result_error_nomem(ctx); + return 0; +} + +/* +** Make the return value of a JSON function either the raw JSONB blob +** or make it JSON text, depending on whether the JSON_BLOB flag is +** set on the function. +*/ +static void jsonReturnParse( + sqlite3_context *ctx, + JsonParse *p +){ + int flgs; + if( p->oom ){ + sqlite3_result_error_nomem(ctx); + return; + } + flgs = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); + if( flgs & JSON_BLOB ){ + if( p->nBlobAlloc>0 && !p->bReadOnly ){ + sqlite3_result_blob(ctx, p->aBlob, p->nBlob, SQLITE_DYNAMIC); + p->nBlobAlloc = 0; + }else{ + sqlite3_result_blob(ctx, p->aBlob, p->nBlob, SQLITE_TRANSIENT); + } + }else{ + JsonString s; + jsonStringInit(&s, ctx); + p->delta = 0; + jsonTranslateBlobToText(p, 0, &s); + jsonReturnString(&s, p, ctx); + sqlite3_result_subtype(ctx, JSON_SUBTYPE); + } +} + /**************************************************************************** ** SQL functions used for testing and debugging ****************************************************************************/ +#if SQLITE_DEBUG +/* +** Decode JSONB bytes in aBlob[] starting at iStart through but not +** including iEnd. Indent the +** content by nIndent spaces. +*/ +static void jsonDebugPrintBlob( + JsonParse *pParse, /* JSON content */ + u32 iStart, /* Start rendering here */ + u32 iEnd, /* Do not render this byte or any byte after this one */ + int nIndent, /* Indent by this many spaces */ + sqlite3_str *pOut /* Generate output into this sqlite3_str object */ +){ + while( iStartaBlob[iStart] & 0x0f; + u32 savedNBlob = pParse->nBlob; + sqlite3_str_appendf(pOut, "%5d:%*s", iStart, nIndent, ""); + if( pParse->nBlobAlloc>pParse->nBlob ){ + pParse->nBlob = pParse->nBlobAlloc; + } + nn = n = jsonbPayloadSize(pParse, iStart, &sz); + if( nn==0 ) nn = 1; + if( sz>0 && xaBlob[iStart+i]); + } + if( n==0 ){ + sqlite3_str_appendf(pOut, " ERROR invalid node size\n"); + iStart = n==0 ? iStart+1 : iEnd; + continue; + } + pParse->nBlob = savedNBlob; + if( iStart+n+sz>iEnd ){ + iEnd = iStart+n+sz; + if( iEnd>pParse->nBlob ){ + if( pParse->nBlobAlloc>0 && iEnd>pParse->nBlobAlloc ){ + iEnd = pParse->nBlobAlloc; + }else{ + iEnd = pParse->nBlob; + } + } + } + sqlite3_str_appendall(pOut," <-- "); + switch( x ){ + case JSONB_NULL: sqlite3_str_appendall(pOut,"null"); break; + case JSONB_TRUE: sqlite3_str_appendall(pOut,"true"); break; + case JSONB_FALSE: sqlite3_str_appendall(pOut,"false"); break; + case JSONB_INT: sqlite3_str_appendall(pOut,"int"); break; + case JSONB_INT5: sqlite3_str_appendall(pOut,"int5"); break; + case JSONB_FLOAT: sqlite3_str_appendall(pOut,"float"); break; + case JSONB_FLOAT5: sqlite3_str_appendall(pOut,"float5"); break; + case JSONB_TEXT: sqlite3_str_appendall(pOut,"text"); break; + case JSONB_TEXTJ: sqlite3_str_appendall(pOut,"textj"); break; + case JSONB_TEXT5: sqlite3_str_appendall(pOut,"text5"); break; + case JSONB_TEXTRAW: sqlite3_str_appendall(pOut,"textraw"); break; + case JSONB_ARRAY: { + sqlite3_str_appendf(pOut,"array, %u bytes\n", sz); + jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2, pOut); + showContent = 0; + break; + } + case JSONB_OBJECT: { + sqlite3_str_appendf(pOut, "object, %u bytes\n", sz); + jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2, pOut); + showContent = 0; + break; + } + default: { + sqlite3_str_appendall(pOut, "ERROR: unknown node type\n"); + showContent = 0; + break; + } + } + if( showContent ){ + if( sz==0 && x<=JSONB_FALSE ){ + sqlite3_str_append(pOut, "\n", 1); + }else{ + u32 i; + sqlite3_str_appendall(pOut, ": \""); + for(i=iStart+n; iaBlob[i]; + if( c<0x20 || c>=0x7f ) c = '.'; + sqlite3_str_append(pOut, (char*)&c, 1); + } + sqlite3_str_append(pOut, "\"\n", 2); + } + } + iStart += n + sz; + } +} +static void jsonShowParse(JsonParse *pParse){ + sqlite3_str out; + char zBuf[1000]; + if( pParse==0 ){ + printf("NULL pointer\n"); + return; + }else{ + printf("nBlobAlloc = %u\n", pParse->nBlobAlloc); + printf("nBlob = %u\n", pParse->nBlob); + printf("delta = %d\n", pParse->delta); + if( pParse->nBlob==0 ) return; + printf("content (bytes 0..%u):\n", pParse->nBlob-1); + } + sqlite3StrAccumInit(&out, 0, zBuf, sizeof(zBuf), 1000000); + jsonDebugPrintBlob(pParse, 0, pParse->nBlob, 0, &out); + printf("%s", sqlite3_str_value(&out)); + sqlite3_str_reset(&out); +} +#endif /* SQLITE_DEBUG */ + #ifdef SQLITE_DEBUG /* -** The json_parse(JSON) function returns a string which describes -** a parse of the JSON provided. Or it returns NULL if JSON is not -** well-formed. +** SQL function: json_parse(JSON) +** +** Parse JSON using jsonParseFuncArg(). Return text that is a +** human-readable dump of the binary JSONB for the input parameter. */ static void jsonParseFunc( sqlite3_context *ctx, int argc, sqlite3_value **argv ){ - JsonString s; /* Output string - not real JSON */ - JsonParse x; /* The parse */ - u32 i; + JsonParse *p; /* The parse */ + sqlite3_str out; - assert( argc==1 ); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - jsonParseFindParents(&x); - jsonInit(&s, ctx); - for(i=0; i=1 ); + sqlite3StrAccumInit(&out, 0, 0, 0, 1000000); + p = jsonParseFuncArg(ctx, argv[0], 0); + if( p==0 ) return; + if( argc==1 ){ + jsonDebugPrintBlob(p, 0, p->nBlob, 0, &out); + sqlite3_result_text64(ctx, out.zText, out.nChar, SQLITE_DYNAMIC, SQLITE_UTF8); + }else{ + jsonShowParse(p); } - jsonParseReset(&x); - jsonResult(&s); -} - -/* -** The json_test1(JSON) function return true (1) if the input is JSON -** text generated by another json function. It returns (0) if the input -** is not known to be JSON. -*/ -static void jsonTest1Func( - sqlite3_context *ctx, - int argc, - sqlite3_value **argv -){ - UNUSED_PARAMETER(argc); - sqlite3_result_int(ctx, sqlite3_value_subtype(argv[0])==JSON_SUBTYPE); + jsonParseFree(p); } #endif /* SQLITE_DEBUG */ @@ -200224,7 +206691,7 @@ static void jsonTest1Func( ****************************************************************************/ /* -** Implementation of the json_QUOTE(VALUE) function. Return a JSON value +** Implementation of the json_quote(VALUE) function. Return a JSON value ** corresponding to the SQL value input. Mostly this means putting ** double-quotes around strings and returning the unquoted string "null" ** when given a NULL input. @@ -200237,9 +206704,9 @@ static void jsonQuoteFunc( JsonString jx; UNUSED_PARAMETER(argc); - jsonInit(&jx, ctx); - jsonAppendValue(&jx, argv[0]); - jsonResult(&jx); + jsonStringInit(&jx, ctx); + jsonAppendSqlValue(&jx, argv[0]); + jsonReturnString(&jx, 0, 0); sqlite3_result_subtype(ctx, JSON_SUBTYPE); } @@ -200256,18 +206723,17 @@ static void jsonArrayFunc( int i; JsonString jx; - jsonInit(&jx, ctx); + jsonStringInit(&jx, ctx); jsonAppendChar(&jx, '['); for(i=0; inNode ); if( argc==2 ){ const char *zPath = (const char*)sqlite3_value_text(argv[1]); - pNode = jsonLookup(p, zPath, 0, ctx); - }else{ - pNode = p->aNode; - } - if( pNode==0 ){ - return; - } - if( pNode->eType==JSON_ARRAY ){ - assert( (pNode->jnFlags & JNODE_APPEND)==0 ); - for(i=1; i<=pNode->n; n++){ - i += jsonNodeSize(&pNode[i]); + if( zPath==0 ){ + jsonParseFree(p); + return; } + i = jsonLookupStep(p, 0, zPath[0]=='$' ? zPath+1 : "@", 0); + if( JSON_LOOKUP_ISERROR(i) ){ + if( i==JSON_LOOKUP_NOTFOUND ){ + /* no-op */ + }else if( i==JSON_LOOKUP_PATHERROR ){ + jsonBadPathError(ctx, zPath); + }else{ + sqlite3_result_error(ctx, "malformed JSON", -1); + } + eErr = 1; + i = 0; + } + }else{ + i = 0; } - sqlite3_result_int64(ctx, n); + if( (p->aBlob[i] & 0x0f)==JSONB_ARRAY ){ + cnt = jsonbArrayCount(p, i); + } + if( !eErr ) sqlite3_result_int64(ctx, cnt); + jsonParseFree(p); } -/* -** Bit values for the flags passed into jsonExtractFunc() or -** jsonSetFunc() via the user-data value. -*/ -#define JSON_JSON 0x01 /* Result is always JSON */ -#define JSON_SQL 0x02 /* Result is always SQL */ -#define JSON_ABPATH 0x03 /* Allow abbreviated JSON path specs */ -#define JSON_ISSET 0x04 /* json_set(), not json_insert() */ +/* True if the string is all digits */ +static int jsonAllDigits(const char *z, int n){ + int i; + for(i=0; i and ->> operators accept abbreviated PATH arguments. This - ** is mostly for compatibility with PostgreSQL, but also for - ** convenience. - ** - ** NUMBER ==> $[NUMBER] // PG compatible - ** LABEL ==> $.LABEL // PG compatible - ** [NUMBER] ==> $[NUMBER] // Not PG. Purely for convenience - */ - jsonInit(&jx, ctx); - if( sqlite3Isdigit(zPath[0]) ){ - jsonAppendRaw(&jx, "$[", 2); - jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); - jsonAppendRaw(&jx, "]", 2); - }else{ - jsonAppendRaw(&jx, "$.", 1 + (zPath[0]!='[')); - jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); - jsonAppendChar(&jx, 0); - } - pNode = jx.bErr ? 0 : jsonLookup(p, jx.zBuf, 0, ctx); - jsonReset(&jx); - }else{ - pNode = jsonLookup(p, zPath, 0, ctx); - } - if( pNode ){ - if( flags & JSON_JSON ){ - jsonReturnJson(pNode, ctx, 0); - }else{ - jsonReturn(pNode, ctx, 0); - sqlite3_result_subtype(ctx, 0); - } - } - }else{ - pNode = jsonLookup(p, zPath, 0, ctx); - if( p->nErr==0 && pNode ) jsonReturn(pNode, ctx, 0); - } - }else{ - /* Two or more PATH arguments results in a JSON array with each - ** element of the array being the value selected by one of the PATHs */ - int i; - jsonInit(&jx, ctx); + flags = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); + jsonStringInit(&jx, ctx); + if( argc>2 ){ jsonAppendChar(&jx, '['); - for(i=1; inErr ) break; - jsonAppendSeparator(&jx); - if( pNode ){ - jsonRenderNode(pNode, &jx, 0); + } + for(i=1; i and ->> operators accept abbreviated PATH arguments. This + ** is mostly for compatibility with PostgreSQL, but also for + ** convenience. + ** + ** NUMBER ==> $[NUMBER] // PG compatible + ** LABEL ==> $.LABEL // PG compatible + ** [NUMBER] ==> $[NUMBER] // Not PG. Purely for convenience + */ + jsonStringInit(&jx, ctx); + if( jsonAllDigits(zPath, nPath) ){ + jsonAppendRawNZ(&jx, "[", 1); + jsonAppendRaw(&jx, zPath, nPath); + jsonAppendRawNZ(&jx, "]", 2); + }else if( jsonAllAlphanum(zPath, nPath) ){ + jsonAppendRawNZ(&jx, ".", 1); + jsonAppendRaw(&jx, zPath, nPath); + }else if( zPath[0]=='[' && nPath>=3 && zPath[nPath-1]==']' ){ + jsonAppendRaw(&jx, zPath, nPath); }else{ - jsonAppendRaw(&jx, "null", 4); + jsonAppendRawNZ(&jx, ".\"", 2); + jsonAppendRaw(&jx, zPath, nPath); + jsonAppendRawNZ(&jx, "\"", 1); } + jsonStringTerminate(&jx); + j = jsonLookupStep(p, 0, jx.zBuf, 0); + jsonStringReset(&jx); + }else{ + jsonBadPathError(ctx, zPath); + goto json_extract_error; } - if( i==argc ){ - jsonAppendChar(&jx, ']'); - jsonResult(&jx); - sqlite3_result_subtype(ctx, JSON_SUBTYPE); - } - jsonReset(&jx); - } -} - -/* This is the RFC 7396 MergePatch algorithm. -*/ -static JsonNode *jsonMergePatch( - JsonParse *pParse, /* The JSON parser that contains the TARGET */ - u32 iTarget, /* Node of the TARGET in pParse */ - JsonNode *pPatch /* The PATCH */ -){ - u32 i, j; - u32 iRoot; - JsonNode *pTarget; - if( pPatch->eType!=JSON_OBJECT ){ - return pPatch; - } - assert( iTargetnNode ); - pTarget = &pParse->aNode[iTarget]; - assert( (pPatch->jnFlags & JNODE_APPEND)==0 ); - if( pTarget->eType!=JSON_OBJECT ){ - jsonRemoveAllNulls(pPatch); - return pPatch; - } - iRoot = iTarget; - for(i=1; in; i += jsonNodeSize(&pPatch[i+1])+1){ - u32 nKey; - const char *zKey; - assert( pPatch[i].eType==JSON_STRING ); - assert( pPatch[i].jnFlags & JNODE_LABEL ); - assert( pPatch[i].eU==1 ); - nKey = pPatch[i].n; - zKey = pPatch[i].u.zJContent; - assert( (pPatch[i].jnFlags & JNODE_RAW)==0 ); - for(j=1; jn; j += jsonNodeSize(&pTarget[j+1])+1 ){ - assert( pTarget[j].eType==JSON_STRING ); - assert( pTarget[j].jnFlags & JNODE_LABEL ); - assert( (pPatch[i].jnFlags & JNODE_RAW)==0 ); - if( pTarget[j].n==nKey && strncmp(pTarget[j].u.zJContent,zKey,nKey)==0 ){ - if( pTarget[j+1].jnFlags & (JNODE_REMOVE|JNODE_PATCH) ) break; - if( pPatch[i+1].eType==JSON_NULL ){ - pTarget[j+1].jnFlags |= JNODE_REMOVE; + if( jnBlob ){ + if( argc==2 ){ + if( flags & JSON_JSON ){ + jsonStringInit(&jx, ctx); + jsonTranslateBlobToText(p, j, &jx); + jsonReturnString(&jx, 0, 0); + jsonStringReset(&jx); + assert( (flags & JSON_BLOB)==0 ); + sqlite3_result_subtype(ctx, JSON_SUBTYPE); }else{ - JsonNode *pNew = jsonMergePatch(pParse, iTarget+j+1, &pPatch[i+1]); - if( pNew==0 ) return 0; - pTarget = &pParse->aNode[iTarget]; - if( pNew!=&pTarget[j+1] ){ - assert( pTarget[j+1].eU==0 - || pTarget[j+1].eU==1 - || pTarget[j+1].eU==2 ); - testcase( pTarget[j+1].eU==1 ); - testcase( pTarget[j+1].eU==2 ); - VVA( pTarget[j+1].eU = 5 ); - pTarget[j+1].u.pPatch = pNew; - pTarget[j+1].jnFlags |= JNODE_PATCH; + jsonReturnFromBlob(p, j, ctx, 0); + if( (flags & (JSON_SQL|JSON_BLOB))==0 + && (p->aBlob[j]&0x0f)>=JSONB_ARRAY + ){ + sqlite3_result_subtype(ctx, JSON_SUBTYPE); } } - break; + }else{ + jsonAppendSeparator(&jx); + jsonTranslateBlobToText(p, j, &jx); } - } - if( j>=pTarget->n && pPatch[i+1].eType!=JSON_NULL ){ - int iStart, iPatch; - iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); - jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); - iPatch = jsonParseAddNode(pParse, JSON_TRUE, 0, 0); - if( pParse->oom ) return 0; - jsonRemoveAllNulls(pPatch); - pTarget = &pParse->aNode[iTarget]; - assert( pParse->aNode[iRoot].eU==0 || pParse->aNode[iRoot].eU==2 ); - testcase( pParse->aNode[iRoot].eU==2 ); - pParse->aNode[iRoot].jnFlags |= JNODE_APPEND; - VVA( pParse->aNode[iRoot].eU = 2 ); - pParse->aNode[iRoot].u.iAppend = iStart - iRoot; - iRoot = iStart; - assert( pParse->aNode[iPatch].eU==0 ); - VVA( pParse->aNode[iPatch].eU = 5 ); - pParse->aNode[iPatch].jnFlags |= JNODE_PATCH; - pParse->aNode[iPatch].u.pPatch = &pPatch[i+1]; + }else if( j==JSON_LOOKUP_NOTFOUND ){ + if( argc==2 ){ + goto json_extract_error; /* Return NULL if not found */ + }else{ + jsonAppendSeparator(&jx); + jsonAppendRawNZ(&jx, "null", 4); + } + }else if( j==JSON_LOOKUP_ERROR ){ + sqlite3_result_error(ctx, "malformed JSON", -1); + goto json_extract_error; + }else{ + jsonBadPathError(ctx, zPath); + goto json_extract_error; } } - return pTarget; + if( argc>2 ){ + jsonAppendChar(&jx, ']'); + jsonReturnString(&jx, 0, 0); + if( (flags & JSON_BLOB)==0 ){ + sqlite3_result_subtype(ctx, JSON_SUBTYPE); + } + } +json_extract_error: + jsonStringReset(&jx); + jsonParseFree(p); + return; } +/* +** Return codes for jsonMergePatch() +*/ +#define JSON_MERGE_OK 0 /* Success */ +#define JSON_MERGE_BADTARGET 1 /* Malformed TARGET blob */ +#define JSON_MERGE_BADPATCH 2 /* Malformed PATCH blob */ +#define JSON_MERGE_OOM 3 /* Out-of-memory condition */ + +/* +** RFC-7396 MergePatch for two JSONB blobs. +** +** pTarget is the target. pPatch is the patch. The target is updated +** in place. The patch is read-only. +** +** The original RFC-7396 algorithm is this: +** +** define MergePatch(Target, Patch): +** if Patch is an Object: +** if Target is not an Object: +** Target = {} # Ignore the contents and set it to an empty Object +** for each Name/Value pair in Patch: +** if Value is null: +** if Name exists in Target: +** remove the Name/Value pair from Target +** else: +** Target[Name] = MergePatch(Target[Name], Value) +** return Target +** else: +** return Patch +** +** Here is an equivalent algorithm restructured to show the actual +** implementation: +** +** 01 define MergePatch(Target, Patch): +** 02 if Patch is not an Object: +** 03 return Patch +** 04 else: // if Patch is an Object +** 05 if Target is not an Object: +** 06 Target = {} +** 07 for each Name/Value pair in Patch: +** 08 if Name exists in Target: +** 09 if Value is null: +** 10 remove the Name/Value pair from Target +** 11 else +** 12 Target[name] = MergePatch(Target[Name], Value) +** 13 else if Value is not NULL: +** 14 if Value is not an Object: +** 15 Target[name] = Value +** 16 else: +** 17 Target[name] = MergePatch('{}',value) +** 18 return Target +** | +** ^---- Line numbers referenced in comments in the implementation +*/ +static int jsonMergePatch( + JsonParse *pTarget, /* The JSON parser that contains the TARGET */ + u32 iTarget, /* Index of TARGET in pTarget->aBlob[] */ + const JsonParse *pPatch, /* The PATCH */ + u32 iPatch /* Index of PATCH in pPatch->aBlob[] */ +){ + u8 x; /* Type of a single node */ + u32 n, sz=0; /* Return values from jsonbPayloadSize() */ + u32 iTCursor; /* Cursor position while scanning the target object */ + u32 iTStart; /* First label in the target object */ + u32 iTEndBE; /* Original first byte past end of target, before edit */ + u32 iTEnd; /* Current first byte past end of target */ + u8 eTLabel; /* Node type of the target label */ + u32 iTLabel = 0; /* Index of the label */ + u32 nTLabel = 0; /* Header size in bytes for the target label */ + u32 szTLabel = 0; /* Size of the target label payload */ + u32 iTValue = 0; /* Index of the target value */ + u32 nTValue = 0; /* Header size of the target value */ + u32 szTValue = 0; /* Payload size for the target value */ + + u32 iPCursor; /* Cursor position while scanning the patch */ + u32 iPEnd; /* First byte past the end of the patch */ + u8 ePLabel; /* Node type of the patch label */ + u32 iPLabel; /* Start of patch label */ + u32 nPLabel; /* Size of header on the patch label */ + u32 szPLabel; /* Payload size of the patch label */ + u32 iPValue; /* Start of patch value */ + u32 nPValue; /* Header size for the patch value */ + u32 szPValue; /* Payload size of the patch value */ + + assert( iTarget>=0 && iTargetnBlob ); + assert( iPatch>=0 && iPatchnBlob ); + x = pPatch->aBlob[iPatch] & 0x0f; + if( x!=JSONB_OBJECT ){ /* Algorithm line 02 */ + u32 szPatch; /* Total size of the patch, header+payload */ + u32 szTarget; /* Total size of the target, header+payload */ + n = jsonbPayloadSize(pPatch, iPatch, &sz); + szPatch = n+sz; + sz = 0; + n = jsonbPayloadSize(pTarget, iTarget, &sz); + szTarget = n+sz; + jsonBlobEdit(pTarget, iTarget, szTarget, pPatch->aBlob+iPatch, szPatch); + return pTarget->oom ? JSON_MERGE_OOM : JSON_MERGE_OK; /* Line 03 */ + } + x = pTarget->aBlob[iTarget] & 0x0f; + if( x!=JSONB_OBJECT ){ /* Algorithm line 05 */ + n = jsonbPayloadSize(pTarget, iTarget, &sz); + jsonBlobEdit(pTarget, iTarget+n, sz, 0, 0); + x = pTarget->aBlob[iTarget]; + pTarget->aBlob[iTarget] = (x & 0xf0) | JSONB_OBJECT; + } + n = jsonbPayloadSize(pPatch, iPatch, &sz); + if( NEVER(n==0) ) return JSON_MERGE_BADPATCH; + iPCursor = iPatch+n; + iPEnd = iPCursor+sz; + n = jsonbPayloadSize(pTarget, iTarget, &sz); + if( NEVER(n==0) ) return JSON_MERGE_BADTARGET; + iTStart = iTarget+n; + iTEndBE = iTStart+sz; + + while( iPCursoraBlob[iPCursor] & 0x0f; + if( ePLabelJSONB_TEXTRAW ){ + return JSON_MERGE_BADPATCH; + } + nPLabel = jsonbPayloadSize(pPatch, iPCursor, &szPLabel); + if( nPLabel==0 ) return JSON_MERGE_BADPATCH; + iPValue = iPCursor + nPLabel + szPLabel; + if( iPValue>=iPEnd ) return JSON_MERGE_BADPATCH; + nPValue = jsonbPayloadSize(pPatch, iPValue, &szPValue); + if( nPValue==0 ) return JSON_MERGE_BADPATCH; + iPCursor = iPValue + nPValue + szPValue; + if( iPCursor>iPEnd ) return JSON_MERGE_BADPATCH; + + iTCursor = iTStart; + iTEnd = iTEndBE + pTarget->delta; + while( iTCursoraBlob[iTCursor] & 0x0f; + if( eTLabelJSONB_TEXTRAW ){ + return JSON_MERGE_BADTARGET; + } + nTLabel = jsonbPayloadSize(pTarget, iTCursor, &szTLabel); + if( nTLabel==0 ) return JSON_MERGE_BADTARGET; + iTValue = iTLabel + nTLabel + szTLabel; + if( iTValue>=iTEnd ) return JSON_MERGE_BADTARGET; + nTValue = jsonbPayloadSize(pTarget, iTValue, &szTValue); + if( nTValue==0 ) return JSON_MERGE_BADTARGET; + if( iTValue + nTValue + szTValue > iTEnd ) return JSON_MERGE_BADTARGET; + isEqual = jsonLabelCompare( + (const char*)&pPatch->aBlob[iPLabel+nPLabel], + szPLabel, + (ePLabel==JSONB_TEXT || ePLabel==JSONB_TEXTRAW), + (const char*)&pTarget->aBlob[iTLabel+nTLabel], + szTLabel, + (eTLabel==JSONB_TEXT || eTLabel==JSONB_TEXTRAW)); + if( isEqual ) break; + iTCursor = iTValue + nTValue + szTValue; + } + x = pPatch->aBlob[iPValue] & 0x0f; + if( iTCursoroom) ) return JSON_MERGE_OOM; + }else{ + /* Algorithm line 12 */ + int rc, savedDelta = pTarget->delta; + pTarget->delta = 0; + rc = jsonMergePatch(pTarget, iTValue, pPatch, iPValue); + if( rc ) return rc; + pTarget->delta += savedDelta; + } + }else if( x>0 ){ /* Algorithm line 13 */ + /* No match and patch value is not NULL */ + u32 szNew = szPLabel+nPLabel; + if( (pPatch->aBlob[iPValue] & 0x0f)!=JSONB_OBJECT ){ /* Line 14 */ + jsonBlobEdit(pTarget, iTEnd, 0, 0, szPValue+nPValue+szNew); + if( pTarget->oom ) return JSON_MERGE_OOM; + memcpy(&pTarget->aBlob[iTEnd], &pPatch->aBlob[iPLabel], szNew); + memcpy(&pTarget->aBlob[iTEnd+szNew], + &pPatch->aBlob[iPValue], szPValue+nPValue); + }else{ + int rc, savedDelta; + jsonBlobEdit(pTarget, iTEnd, 0, 0, szNew+1); + if( pTarget->oom ) return JSON_MERGE_OOM; + memcpy(&pTarget->aBlob[iTEnd], &pPatch->aBlob[iPLabel], szNew); + pTarget->aBlob[iTEnd+szNew] = 0x00; + savedDelta = pTarget->delta; + pTarget->delta = 0; + rc = jsonMergePatch(pTarget, iTEnd+szNew,pPatch,iPValue); + if( rc ) return rc; + pTarget->delta += savedDelta; + } + } + } + if( pTarget->delta ) jsonAfterEditSizeAdjust(pTarget, iTarget); + return pTarget->oom ? JSON_MERGE_OOM : JSON_MERGE_OK; +} + + /* ** Implementation of the json_mergepatch(JSON1,JSON2) function. Return a JSON ** object that is the result of running the RFC 7396 MergePatch() algorithm @@ -200505,25 +207131,27 @@ static void jsonPatchFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The JSON that is being patched */ - JsonParse y; /* The patch */ - JsonNode *pResult; /* The result of the merge */ + JsonParse *pTarget; /* The TARGET */ + JsonParse *pPatch; /* The PATCH */ + int rc; /* Result code */ UNUSED_PARAMETER(argc); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - if( jsonParse(&y, ctx, (const char*)sqlite3_value_text(argv[1])) ){ - jsonParseReset(&x); - return; + assert( argc==2 ); + pTarget = jsonParseFuncArg(ctx, argv[0], JSON_EDITABLE); + if( pTarget==0 ) return; + pPatch = jsonParseFuncArg(ctx, argv[1], 0); + if( pPatch ){ + rc = jsonMergePatch(pTarget, 0, pPatch, 0); + if( rc==JSON_MERGE_OK ){ + jsonReturnParse(ctx, pTarget); + }else if( rc==JSON_MERGE_OOM ){ + sqlite3_result_error_nomem(ctx); + }else{ + sqlite3_result_error(ctx, "malformed JSON", -1); + } + jsonParseFree(pPatch); } - pResult = jsonMergePatch(&x, 0, y.aNode); - assert( pResult!=0 || x.oom ); - if( pResult ){ - jsonReturnJson(pResult, ctx, 0); - }else{ - sqlite3_result_error_nomem(ctx); - } - jsonParseReset(&x); - jsonParseReset(&y); + jsonParseFree(pTarget); } @@ -200547,23 +207175,23 @@ static void jsonObjectFunc( "of arguments", -1); return; } - jsonInit(&jx, ctx); + jsonStringInit(&jx, ctx); jsonAppendChar(&jx, '{'); for(i=0; i1 ? JSON_EDITABLE : 0); + if( p==0 ) return; + for(i=1; ijnFlags |= JNODE_REMOVE; + if( zPath==0 ){ + goto json_remove_done; + } + if( zPath[0]!='$' ){ + goto json_remove_patherror; + } + if( zPath[1]==0 ){ + /* json_remove(j,'$') returns NULL */ + goto json_remove_done; + } + p->eEdit = JEDIT_DEL; + p->delta = 0; + rc = jsonLookupStep(p, 0, zPath+1, 0); + if( JSON_LOOKUP_ISERROR(rc) ){ + if( rc==JSON_LOOKUP_NOTFOUND ){ + continue; /* No-op */ + }else if( rc==JSON_LOOKUP_PATHERROR ){ + jsonBadPathError(ctx, zPath); + }else{ + sqlite3_result_error(ctx, "malformed JSON", -1); + } + goto json_remove_done; + } } - if( (x.aNode[0].jnFlags & JNODE_REMOVE)==0 ){ - jsonReturnJson(x.aNode, ctx, 0); - } -remove_done: - jsonParseReset(&x); + jsonReturnParse(ctx, p); + jsonParseFree(p); + return; + +json_remove_patherror: + jsonBadPathError(ctx, zPath); + +json_remove_done: + jsonParseFree(p); + return; } /* @@ -200612,38 +207264,12 @@ static void jsonReplaceFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ - JsonNode *pNode; - const char *zPath; - u32 i; - if( argc<1 ) return; if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, "replace"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); - for(i=1; i<(u32)argc; i+=2){ - zPath = (const char*)sqlite3_value_text(argv[i]); - pNode = jsonLookup(&x, zPath, 0, ctx); - if( x.nErr ) goto replace_err; - if( pNode ){ - assert( pNode->eU==0 || pNode->eU==1 || pNode->eU==4 ); - testcase( pNode->eU!=0 && pNode->eU!=1 ); - pNode->jnFlags |= (u8)JNODE_REPLACE; - VVA( pNode->eU = 4 ); - pNode->u.iReplace = i + 1; - } - } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - assert( x.aNode[0].eU==4 ); - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } -replace_err: - jsonParseReset(&x); + jsonInsertIntoBlob(ctx, argc, argv, JEDIT_REPL); } @@ -200664,45 +207290,16 @@ static void jsonSetFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ - JsonNode *pNode; - const char *zPath; - u32 i; - int bApnd; - int bIsSet = sqlite3_user_data(ctx)!=0; + + int flags = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); + int bIsSet = (flags&JSON_ISSET)!=0; if( argc<1 ) return; if( (argc&1)==0 ) { jsonWrongNumArgs(ctx, bIsSet ? "set" : "insert"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); - for(i=1; i<(u32)argc; i+=2){ - zPath = (const char*)sqlite3_value_text(argv[i]); - bApnd = 0; - pNode = jsonLookup(&x, zPath, &bApnd, ctx); - if( x.oom ){ - sqlite3_result_error_nomem(ctx); - goto jsonSetDone; - }else if( x.nErr ){ - goto jsonSetDone; - }else if( pNode && (bApnd || bIsSet) ){ - testcase( pNode->eU!=0 && pNode->eU!=1 ); - assert( pNode->eU!=3 && pNode->eU!=5 ); - VVA( pNode->eU = 4 ); - pNode->jnFlags |= (u8)JNODE_REPLACE; - pNode->u.iReplace = i + 1; - } - } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - assert( x.aNode[0].eU==4 ); - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } -jsonSetDone: - jsonParseReset(&x); + jsonInsertIntoBlob(ctx, argc, argv, bIsSet ? JEDIT_SET : JEDIT_INS); } /* @@ -200718,27 +207315,93 @@ static void jsonTypeFunc( sqlite3_value **argv ){ JsonParse *p; /* The parse */ - const char *zPath; - JsonNode *pNode; + const char *zPath = 0; + u32 i; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseFuncArg(ctx, argv[0], 0); if( p==0 ) return; if( argc==2 ){ zPath = (const char*)sqlite3_value_text(argv[1]); - pNode = jsonLookup(p, zPath, 0, ctx); + if( zPath==0 ) goto json_type_done; + if( zPath[0]!='$' ){ + jsonBadPathError(ctx, zPath); + goto json_type_done; + } + i = jsonLookupStep(p, 0, zPath+1, 0); + if( JSON_LOOKUP_ISERROR(i) ){ + if( i==JSON_LOOKUP_NOTFOUND ){ + /* no-op */ + }else if( i==JSON_LOOKUP_PATHERROR ){ + jsonBadPathError(ctx, zPath); + }else{ + sqlite3_result_error(ctx, "malformed JSON", -1); + } + goto json_type_done; + } }else{ - pNode = p->aNode; - } - if( pNode ){ - sqlite3_result_text(ctx, jsonType[pNode->eType], -1, SQLITE_STATIC); + i = 0; } + sqlite3_result_text(ctx, jsonbType[p->aBlob[i]&0x0f], -1, SQLITE_STATIC); +json_type_done: + jsonParseFree(p); } /* ** json_valid(JSON) +** json_valid(JSON, FLAGS) ** -** Return 1 if JSON is a well-formed JSON string according to RFC-7159. -** Return 0 otherwise. +** Check the JSON argument to see if it is well-formed. The FLAGS argument +** encodes the various constraints on what is meant by "well-formed": +** +** 0x01 Canonical RFC-8259 JSON text +** 0x02 JSON text with optional JSON-5 extensions +** 0x04 Superficially appears to be JSONB +** 0x08 Strictly well-formed JSONB +** +** If the FLAGS argument is omitted, it defaults to 1. Useful values for +** FLAGS include: +** +** 1 Strict canonical JSON text +** 2 JSON text perhaps with JSON-5 extensions +** 4 Superficially appears to be JSONB +** 5 Canonical JSON text or superficial JSONB +** 6 JSON-5 text or superficial JSONB +** 8 Strict JSONB +** 9 Canonical JSON text or strict JSONB +** 10 JSON-5 text or strict JSONB +** +** Other flag combinations are redundant. For example, every canonical +** JSON text is also well-formed JSON-5 text, so FLAG values 2 and 3 +** are the same. Similarly, any input that passes a strict JSONB validation +** will also pass the superficial validation so 12 through 15 are the same +** as 8 through 11 respectively. +** +** This routine runs in linear time to validate text and when doing strict +** JSONB validation. Superficial JSONB validation is constant time, +** assuming the BLOB is already in memory. The performance advantage +** of superficial JSONB validation is why that option is provided. +** Application developers can choose to do fast superficial validation or +** slower strict validation, according to their specific needs. +** +** Only the lower four bits of the FLAGS argument are currently used. +** Higher bits are reserved for future expansion. To facilitate +** compatibility, the current implementation raises an error if any bit +** in FLAGS is set other than the lower four bits. +** +** The original circa 2015 implementation of the JSON routines in +** SQLite only supported canonical RFC-8259 JSON text and the json_valid() +** function only accepted one argument. That is why the default value +** for the FLAGS argument is 1, since FLAGS=1 causes this routine to only +** recognize canonical RFC-8259 JSON text as valid. The extra FLAGS +** argument was added when the JSON routines were extended to support +** JSON5-like extensions and binary JSONB stored in BLOBs. +** +** Return Values: +** +** * Raise an error if FLAGS is outside the range of 1 to 15. +** * Return NULL if the input is NULL +** * Return 1 if the input is well-formed. +** * Return 0 if the input is not well-formed. */ static void jsonValidFunc( sqlite3_context *ctx, @@ -200746,11 +207409,124 @@ static void jsonValidFunc( sqlite3_value **argv ){ JsonParse *p; /* The parse */ - UNUSED_PARAMETER(argc); - p = jsonParseCached(ctx, argv, 0); - sqlite3_result_int(ctx, p!=0); + u8 flags = 1; + u8 res = 0; + if( argc==2 ){ + i64 f = sqlite3_value_int64(argv[1]); + if( f<1 || f>15 ){ + sqlite3_result_error(ctx, "FLAGS parameter to json_valid() must be" + " between 1 and 15", -1); + return; + } + flags = f & 0x0f; + } + switch( sqlite3_value_type(argv[0]) ){ + case SQLITE_NULL: { +#ifdef SQLITE_LEGACY_JSON_VALID + /* Incorrect legacy behavior was to return FALSE for a NULL input */ + sqlite3_result_int(ctx, 0); +#endif + return; + } + case SQLITE_BLOB: { + if( (flags & 0x0c)!=0 && jsonFuncArgMightBeBinary(argv[0]) ){ + if( flags & 0x04 ){ + /* Superficial checking only - accomplished by the + ** jsonFuncArgMightBeBinary() call above. */ + res = 1; + }else{ + /* Strict checking. Check by translating BLOB->TEXT->BLOB. If + ** no errors occur, call that a "strict check". */ + JsonParse px; + u32 iErr; + memset(&px, 0, sizeof(px)); + px.aBlob = (u8*)sqlite3_value_blob(argv[0]); + px.nBlob = sqlite3_value_bytes(argv[0]); + iErr = jsonbValidityCheck(&px, 0, px.nBlob, 1); + res = iErr==0; + } + } + break; + } + default: { + JsonParse px; + if( (flags & 0x3)==0 ) break; + memset(&px, 0, sizeof(px)); + + p = jsonParseFuncArg(ctx, argv[0], JSON_KEEPERROR); + if( p ){ + if( p->oom ){ + sqlite3_result_error_nomem(ctx); + }else if( p->nErr ){ + /* no-op */ + }else if( (flags & 0x02)!=0 || p->hasNonstd==0 ){ + res = 1; + } + jsonParseFree(p); + }else{ + sqlite3_result_error_nomem(ctx); + } + break; + } + } + sqlite3_result_int(ctx, res); } +/* +** json_error_position(JSON) +** +** If the argument is NULL, return NULL +** +** If the argument is BLOB, do a full validity check and return non-zero +** if the check fails. The return value is the approximate 1-based offset +** to the byte of the element that contains the first error. +** +** Otherwise interpret the argument is TEXT (even if it is numeric) and +** return the 1-based character position for where the parser first recognized +** that the input was not valid JSON, or return 0 if the input text looks +** ok. JSON-5 extensions are accepted. +*/ +static void jsonErrorFunc( + sqlite3_context *ctx, + int argc, + sqlite3_value **argv +){ + i64 iErrPos = 0; /* Error position to be returned */ + JsonParse s; + + assert( argc==1 ); + UNUSED_PARAMETER(argc); + memset(&s, 0, sizeof(s)); + s.db = sqlite3_context_db_handle(ctx); + if( jsonFuncArgMightBeBinary(argv[0]) ){ + s.aBlob = (u8*)sqlite3_value_blob(argv[0]); + s.nBlob = sqlite3_value_bytes(argv[0]); + iErrPos = (i64)jsonbValidityCheck(&s, 0, s.nBlob, 1); + }else{ + s.zJson = (char*)sqlite3_value_text(argv[0]); + if( s.zJson==0 ) return; /* NULL input or OOM */ + s.nJson = sqlite3_value_bytes(argv[0]); + if( jsonConvertTextToBlob(&s,0) ){ + if( s.oom ){ + iErrPos = -1; + }else{ + /* Convert byte-offset s.iErr into a character offset */ + u32 k; + assert( s.zJson!=0 ); /* Because s.oom is false */ + for(k=0; kzBuf==0 ){ - jsonInit(pStr, ctx); + jsonStringInit(pStr, ctx); jsonAppendChar(pStr, '['); }else if( pStr->nUsed>1 ){ jsonAppendChar(pStr, ','); } pStr->pCtx = ctx; - jsonAppendValue(pStr, argv[0]); + jsonAppendSqlValue(pStr, argv[0]); } } static void jsonArrayCompute(sqlite3_context *ctx, int isFinal){ JsonString *pStr; pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0); if( pStr ){ + int flags; pStr->pCtx = ctx; jsonAppendChar(pStr, ']'); - if( pStr->bErr ){ - if( pStr->bErr==1 ) sqlite3_result_error_nomem(ctx); - assert( pStr->bStatic ); + flags = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); + if( pStr->eErr ){ + jsonReturnString(pStr, 0, 0); + return; + }else if( flags & JSON_BLOB ){ + jsonReturnStringAsBlob(pStr); + if( isFinal ){ + if( !pStr->bStatic ) sqlite3RCStrUnref(pStr->zBuf); + }else{ + pStr->nUsed--; + } + return; }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -200831,7 +207618,7 @@ static void jsonGroupInverse( pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0); #ifdef NEVER /* pStr is always non-NULL since jsonArrayStep() or jsonObjectStep() will - ** always have been called to initalize it */ + ** always have been called to initialize it */ if( NEVER(!pStr) ) return; #endif z = pStr->zBuf; @@ -200875,30 +207662,42 @@ static void jsonObjectStep( pStr = (JsonString*)sqlite3_aggregate_context(ctx, sizeof(*pStr)); if( pStr ){ if( pStr->zBuf==0 ){ - jsonInit(pStr, ctx); + jsonStringInit(pStr, ctx); jsonAppendChar(pStr, '{'); }else if( pStr->nUsed>1 ){ jsonAppendChar(pStr, ','); } pStr->pCtx = ctx; z = (const char*)sqlite3_value_text(argv[0]); - n = (u32)sqlite3_value_bytes(argv[0]); + n = sqlite3Strlen30(z); jsonAppendString(pStr, z, n); jsonAppendChar(pStr, ':'); - jsonAppendValue(pStr, argv[1]); + jsonAppendSqlValue(pStr, argv[1]); } } static void jsonObjectCompute(sqlite3_context *ctx, int isFinal){ JsonString *pStr; pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0); if( pStr ){ + int flags; jsonAppendChar(pStr, '}'); - if( pStr->bErr ){ - if( pStr->bErr==1 ) sqlite3_result_error_nomem(ctx); - assert( pStr->bStatic ); + pStr->pCtx = ctx; + flags = SQLITE_PTR_TO_INT(sqlite3_user_data(ctx)); + if( pStr->eErr ){ + jsonReturnString(pStr, 0, 0); + return; + }else if( flags & JSON_BLOB ){ + jsonReturnStringAsBlob(pStr); + if( isFinal ){ + if( !pStr->bStatic ) sqlite3RCStrUnref(pStr->zBuf); + }else{ + pStr->nUsed--; + } + return; }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -200922,19 +207721,37 @@ static void jsonObjectFinal(sqlite3_context *ctx){ /**************************************************************************** ** The json_each virtual table ****************************************************************************/ +typedef struct JsonParent JsonParent; +struct JsonParent { + u32 iHead; /* Start of object or array */ + u32 iValue; /* Start of the value */ + u32 iEnd; /* First byte past the end */ + u32 nPath; /* Length of path */ + i64 iKey; /* Key for JSONB_ARRAY */ +}; + typedef struct JsonEachCursor JsonEachCursor; struct JsonEachCursor { sqlite3_vtab_cursor base; /* Base class - must be first */ u32 iRowid; /* The rowid */ - u32 iBegin; /* The first node of the scan */ - u32 i; /* Index in sParse.aNode[] of current row */ + u32 i; /* Index in sParse.aBlob[] of current row */ u32 iEnd; /* EOF when i equals or exceeds this value */ - u8 eType; /* Type of top-level element */ + u32 nRoot; /* Size of the root path in bytes */ + u8 eType; /* Type of the container for element i */ u8 bRecursive; /* True for json_tree(). False for json_each() */ - char *zJson; /* Input JSON */ - char *zRoot; /* Path by which to filter zJson */ + u32 nParent; /* Current nesting depth */ + u32 nParentAlloc; /* Space allocated for aParent[] */ + JsonParent *aParent; /* Parent elements of i */ + sqlite3 *db; /* Database connection */ + JsonString path; /* Current path */ JsonParse sParse; /* Parse of the input JSON */ }; +typedef struct JsonEachConnection JsonEachConnection; +struct JsonEachConnection { + sqlite3_vtab base; /* Base class - must be first */ + sqlite3 *db; /* Database connection */ +}; + /* Constructor for the json_each virtual table */ static int jsonEachConnect( @@ -200944,7 +207761,7 @@ static int jsonEachConnect( sqlite3_vtab **ppVtab, char **pzErr ){ - sqlite3_vtab *pNew; + JsonEachConnection *pNew; int rc; /* Column numbers */ @@ -200970,28 +207787,32 @@ static int jsonEachConnect( "CREATE TABLE x(key,value,type,atom,id,parent,fullkey,path," "json HIDDEN,root HIDDEN)"); if( rc==SQLITE_OK ){ - pNew = *ppVtab = sqlite3_malloc( sizeof(*pNew) ); + pNew = (JsonEachConnection*)sqlite3DbMallocZero(db, sizeof(*pNew)); + *ppVtab = (sqlite3_vtab*)pNew; if( pNew==0 ) return SQLITE_NOMEM; - memset(pNew, 0, sizeof(*pNew)); sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS); + pNew->db = db; } return rc; } /* destructor for json_each virtual table */ static int jsonEachDisconnect(sqlite3_vtab *pVtab){ - sqlite3_free(pVtab); + JsonEachConnection *p = (JsonEachConnection*)pVtab; + sqlite3DbFree(p->db, pVtab); return SQLITE_OK; } /* constructor for a JsonEachCursor object for json_each(). */ static int jsonEachOpenEach(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ + JsonEachConnection *pVtab = (JsonEachConnection*)p; JsonEachCursor *pCur; UNUSED_PARAMETER(p); - pCur = sqlite3_malloc( sizeof(*pCur) ); + pCur = sqlite3DbMallocZero(pVtab->db, sizeof(*pCur)); if( pCur==0 ) return SQLITE_NOMEM; - memset(pCur, 0, sizeof(*pCur)); + pCur->db = pVtab->db; + jsonStringZero(&pCur->path); *ppCursor = &pCur->base; return SQLITE_OK; } @@ -201009,22 +207830,24 @@ static int jsonEachOpenTree(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ /* Reset a JsonEachCursor back to its original state. Free any memory ** held. */ static void jsonEachCursorReset(JsonEachCursor *p){ - sqlite3_free(p->zJson); - sqlite3_free(p->zRoot); jsonParseReset(&p->sParse); + jsonStringReset(&p->path); + sqlite3DbFree(p->db, p->aParent); p->iRowid = 0; p->i = 0; + p->aParent = 0; + p->nParent = 0; + p->nParentAlloc = 0; p->iEnd = 0; p->eType = 0; - p->zJson = 0; - p->zRoot = 0; } /* Destructor for a jsonEachCursor object */ static int jsonEachClose(sqlite3_vtab_cursor *cur){ JsonEachCursor *p = (JsonEachCursor*)cur; jsonEachCursorReset(p); - sqlite3_free(cur); + + sqlite3DbFree(p->db, cur); return SQLITE_OK; } @@ -201035,198 +207858,230 @@ static int jsonEachEof(sqlite3_vtab_cursor *cur){ return p->i >= p->iEnd; } -/* Advance the cursor to the next element for json_tree() */ -static int jsonEachNext(sqlite3_vtab_cursor *cur){ - JsonEachCursor *p = (JsonEachCursor*)cur; - if( p->bRecursive ){ - if( p->sParse.aNode[p->i].jnFlags & JNODE_LABEL ) p->i++; - p->i++; - p->iRowid++; - if( p->iiEnd ){ - u32 iUp = p->sParse.aUp[p->i]; - JsonNode *pUp = &p->sParse.aNode[iUp]; - p->eType = pUp->eType; - if( pUp->eType==JSON_ARRAY ){ - assert( pUp->eU==0 || pUp->eU==3 ); - testcase( pUp->eU==3 ); - VVA( pUp->eU = 3 ); - if( iUp==p->i-1 ){ - pUp->u.iKey = 0; - }else{ - pUp->u.iKey++; +/* +** If the cursor is currently pointing at the label of a object entry, +** then return the index of the value. For all other cases, return the +** current pointer position, which is the value. +*/ +static int jsonSkipLabel(JsonEachCursor *p){ + if( p->eType==JSONB_OBJECT ){ + u32 sz = 0; + u32 n = jsonbPayloadSize(&p->sParse, p->i, &sz); + return p->i + n + sz; + }else{ + return p->i; + } +} + +/* +** Append the path name for the current element. +*/ +static void jsonAppendPathName(JsonEachCursor *p){ + assert( p->nParent>0 ); + assert( p->eType==JSONB_ARRAY || p->eType==JSONB_OBJECT ); + if( p->eType==JSONB_ARRAY ){ + jsonPrintf(30, &p->path, "[%lld]", p->aParent[p->nParent-1].iKey); + }else{ + u32 n, sz = 0, k, i; + const char *z; + int needQuote = 0; + n = jsonbPayloadSize(&p->sParse, p->i, &sz); + k = p->i + n; + z = (const char*)&p->sParse.aBlob[k]; + if( sz==0 || !sqlite3Isalpha(z[0]) ){ + needQuote = 1; + }else{ + for(i=0; ipath,".\"%.*s\"", sz, z); + }else{ + jsonPrintf(sz+2,&p->path,".%.*s", sz, z); + } + } +} + +/* Advance the cursor to the next element for json_tree() */ +static int jsonEachNext(sqlite3_vtab_cursor *cur){ + JsonEachCursor *p = (JsonEachCursor*)cur; + int rc = SQLITE_OK; + if( p->bRecursive ){ + u8 x; + u8 levelChange = 0; + u32 n, sz = 0; + u32 i = jsonSkipLabel(p); + x = p->sParse.aBlob[i] & 0x0f; + n = jsonbPayloadSize(&p->sParse, i, &sz); + if( x==JSONB_OBJECT || x==JSONB_ARRAY ){ + JsonParent *pParent; + if( p->nParent>=p->nParentAlloc ){ + JsonParent *pNew; + u64 nNew; + nNew = p->nParentAlloc*2 + 3; + pNew = sqlite3DbRealloc(p->db, p->aParent, sizeof(JsonParent)*nNew); + if( pNew==0 ) return SQLITE_NOMEM; + p->nParentAlloc = (u32)nNew; + p->aParent = pNew; + } + levelChange = 1; + pParent = &p->aParent[p->nParent]; + pParent->iHead = p->i; + pParent->iValue = i; + pParent->iEnd = i + n + sz; + pParent->iKey = -1; + pParent->nPath = (u32)p->path.nUsed; + if( p->eType && p->nParent ){ + jsonAppendPathName(p); + if( p->path.eErr ) rc = SQLITE_NOMEM; + } + p->nParent++; + p->i = i + n; + }else{ + p->i = i + n + sz; + } + while( p->nParent>0 && p->i >= p->aParent[p->nParent-1].iEnd ){ + p->nParent--; + p->path.nUsed = p->aParent[p->nParent].nPath; + levelChange = 1; + } + if( levelChange ){ + if( p->nParent>0 ){ + JsonParent *pParent = &p->aParent[p->nParent-1]; + u32 iVal = pParent->iValue; + p->eType = p->sParse.aBlob[iVal] & 0x0f; + }else{ + p->eType = 0; + } + } }else{ - switch( p->eType ){ - case JSON_ARRAY: { - p->i += jsonNodeSize(&p->sParse.aNode[p->i]); - p->iRowid++; - break; - } - case JSON_OBJECT: { - p->i += 1 + jsonNodeSize(&p->sParse.aNode[p->i+1]); - p->iRowid++; - break; - } - default: { - p->i = p->iEnd; - break; + u32 n, sz = 0; + u32 i = jsonSkipLabel(p); + n = jsonbPayloadSize(&p->sParse, i, &sz); + p->i = i + n + sz; + } + if( p->eType==JSONB_ARRAY && p->nParent ){ + p->aParent[p->nParent-1].iKey++; + } + p->iRowid++; + return rc; +} + +/* Length of the path for rowid==0 in bRecursive mode. +*/ +static int jsonEachPathLength(JsonEachCursor *p){ + u32 n = p->path.nUsed; + char *z = p->path.zBuf; + if( p->iRowid==0 && p->bRecursive && n>=2 ){ + while( n>1 ){ + n--; + if( z[n]=='[' || z[n]=='.' ){ + u32 x, sz = 0; + char cSaved = z[n]; + z[n] = 0; + assert( p->sParse.eEdit==0 ); + x = jsonLookupStep(&p->sParse, 0, z+1, 0); + z[n] = cSaved; + if( JSON_LOOKUP_ISERROR(x) ) continue; + if( x + jsonbPayloadSize(&p->sParse, x, &sz) == p->i ) break; } } } - return SQLITE_OK; -} - -/* Append an object label to the JSON Path being constructed -** in pStr. -*/ -static void jsonAppendObjectPathElement( - JsonString *pStr, - JsonNode *pNode -){ - int jj, nn; - const char *z; - assert( pNode->eType==JSON_STRING ); - assert( pNode->jnFlags & JNODE_LABEL ); - assert( pNode->eU==1 ); - z = pNode->u.zJContent; - nn = pNode->n; - assert( nn>=2 ); - assert( z[0]=='"' ); - assert( z[nn-1]=='"' ); - if( nn>2 && sqlite3Isalpha(z[1]) ){ - for(jj=2; jjsParse.aUp[i]; - jsonEachComputePath(p, pStr, iUp); - pNode = &p->sParse.aNode[i]; - pUp = &p->sParse.aNode[iUp]; - if( pUp->eType==JSON_ARRAY ){ - assert( pUp->eU==3 || (pUp->eU==0 && pUp->u.iKey==0) ); - testcase( pUp->eU==0 ); - jsonPrintf(30, pStr, "[%d]", pUp->u.iKey); - }else{ - assert( pUp->eType==JSON_OBJECT ); - if( (pNode->jnFlags & JNODE_LABEL)==0 ) pNode--; - jsonAppendObjectPathElement(pStr, pNode); - } + return n; } /* Return the value of a column */ static int jsonEachColumn( sqlite3_vtab_cursor *cur, /* The cursor */ sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ - int i /* Which column to return */ + int iColumn /* Which column to return */ ){ JsonEachCursor *p = (JsonEachCursor*)cur; - JsonNode *pThis = &p->sParse.aNode[p->i]; - switch( i ){ + switch( iColumn ){ case JEACH_KEY: { - if( p->i==0 ) break; - if( p->eType==JSON_OBJECT ){ - jsonReturn(pThis, ctx, 0); - }else if( p->eType==JSON_ARRAY ){ - u32 iKey; - if( p->bRecursive ){ - if( p->iRowid==0 ) break; - assert( p->sParse.aNode[p->sParse.aUp[p->i]].eU==3 ); - iKey = p->sParse.aNode[p->sParse.aUp[p->i]].u.iKey; + if( p->nParent==0 ){ + u32 n, j; + if( p->nRoot==1 ) break; + j = jsonEachPathLength(p); + n = p->nRoot - j; + if( n==0 ){ + break; + }else if( p->path.zBuf[j]=='[' ){ + i64 x; + sqlite3Atoi64(&p->path.zBuf[j+1], &x, n-1, SQLITE_UTF8); + sqlite3_result_int64(ctx, x); + }else if( p->path.zBuf[j+1]=='"' ){ + sqlite3_result_text(ctx, &p->path.zBuf[j+2], n-3, SQLITE_TRANSIENT); }else{ - iKey = p->iRowid; + sqlite3_result_text(ctx, &p->path.zBuf[j+1], n-1, SQLITE_TRANSIENT); } - sqlite3_result_int64(ctx, (sqlite3_int64)iKey); + break; + } + if( p->eType==JSONB_OBJECT ){ + jsonReturnFromBlob(&p->sParse, p->i, ctx, 1); + }else{ + assert( p->eType==JSONB_ARRAY ); + sqlite3_result_int64(ctx, p->aParent[p->nParent-1].iKey); } break; } case JEACH_VALUE: { - if( pThis->jnFlags & JNODE_LABEL ) pThis++; - jsonReturn(pThis, ctx, 0); + u32 i = jsonSkipLabel(p); + jsonReturnFromBlob(&p->sParse, i, ctx, 1); break; } case JEACH_TYPE: { - if( pThis->jnFlags & JNODE_LABEL ) pThis++; - sqlite3_result_text(ctx, jsonType[pThis->eType], -1, SQLITE_STATIC); + u32 i = jsonSkipLabel(p); + u8 eType = p->sParse.aBlob[i] & 0x0f; + sqlite3_result_text(ctx, jsonbType[eType], -1, SQLITE_STATIC); break; } case JEACH_ATOM: { - if( pThis->jnFlags & JNODE_LABEL ) pThis++; - if( pThis->eType>=JSON_ARRAY ) break; - jsonReturn(pThis, ctx, 0); + u32 i = jsonSkipLabel(p); + if( (p->sParse.aBlob[i] & 0x0f)sParse, i, ctx, 1); + } break; } case JEACH_ID: { - sqlite3_result_int64(ctx, - (sqlite3_int64)p->i + ((pThis->jnFlags & JNODE_LABEL)!=0)); + sqlite3_result_int64(ctx, (sqlite3_int64)p->i); break; } case JEACH_PARENT: { - if( p->i>p->iBegin && p->bRecursive ){ - sqlite3_result_int64(ctx, (sqlite3_int64)p->sParse.aUp[p->i]); + if( p->nParent>0 && p->bRecursive ){ + sqlite3_result_int64(ctx, p->aParent[p->nParent-1].iHead); } break; } case JEACH_FULLKEY: { - JsonString x; - jsonInit(&x, ctx); - if( p->bRecursive ){ - jsonEachComputePath(p, &x, p->i); - }else{ - if( p->zRoot ){ - jsonAppendRaw(&x, p->zRoot, (int)strlen(p->zRoot)); - }else{ - jsonAppendChar(&x, '$'); - } - if( p->eType==JSON_ARRAY ){ - jsonPrintf(30, &x, "[%d]", p->iRowid); - }else if( p->eType==JSON_OBJECT ){ - jsonAppendObjectPathElement(&x, pThis); - } - } - jsonResult(&x); + u64 nBase = p->path.nUsed; + if( p->nParent ) jsonAppendPathName(p); + sqlite3_result_text64(ctx, p->path.zBuf, p->path.nUsed, + SQLITE_TRANSIENT, SQLITE_UTF8); + p->path.nUsed = nBase; break; } case JEACH_PATH: { - if( p->bRecursive ){ - JsonString x; - jsonInit(&x, ctx); - jsonEachComputePath(p, &x, p->sParse.aUp[p->i]); - jsonResult(&x); - break; - } - /* For json_each() path and root are the same so fall through - ** into the root case */ - /* no break */ deliberate_fall_through + u32 n = jsonEachPathLength(p); + sqlite3_result_text64(ctx, p->path.zBuf, n, + SQLITE_TRANSIENT, SQLITE_UTF8); + break; } default: { - const char *zRoot = p->zRoot; - if( zRoot==0 ) zRoot = "$"; - sqlite3_result_text(ctx, zRoot, -1, SQLITE_STATIC); + sqlite3_result_text(ctx, p->path.zBuf, p->nRoot, SQLITE_STATIC); break; } case JEACH_JSON: { - assert( i==JEACH_JSON ); - sqlite3_result_text(ctx, p->sParse.zJson, -1, SQLITE_STATIC); + if( p->sParse.zJson==0 ){ + sqlite3_result_blob(ctx, p->sParse.aBlob, p->sParse.nBlob, + SQLITE_STATIC); + }else{ + sqlite3_result_text(ctx, p->sParse.zJson, -1, SQLITE_STATIC); + } break; } } @@ -201317,78 +208172,101 @@ static int jsonEachFilter( int argc, sqlite3_value **argv ){ JsonEachCursor *p = (JsonEachCursor*)cur; - const char *z; const char *zRoot = 0; - sqlite3_int64 n; + u32 i, n, sz; UNUSED_PARAMETER(idxStr); UNUSED_PARAMETER(argc); jsonEachCursorReset(p); if( idxNum==0 ) return SQLITE_OK; - z = (const char*)sqlite3_value_text(argv[0]); - if( z==0 ) return SQLITE_OK; - n = sqlite3_value_bytes(argv[0]); - p->zJson = sqlite3_malloc64( n+1 ); - if( p->zJson==0 ) return SQLITE_NOMEM; - memcpy(p->zJson, z, (size_t)n+1); - if( jsonParse(&p->sParse, 0, p->zJson) ){ - int rc = SQLITE_NOMEM; - if( p->sParse.oom==0 ){ - sqlite3_free(cur->pVtab->zErrMsg); - cur->pVtab->zErrMsg = sqlite3_mprintf("malformed JSON"); - if( cur->pVtab->zErrMsg ) rc = SQLITE_ERROR; + memset(&p->sParse, 0, sizeof(p->sParse)); + p->sParse.nJPRef = 1; + p->sParse.db = p->db; + if( sqlite3_value_type(argv[0])==SQLITE_BLOB ){ + if( jsonFuncArgMightBeBinary(argv[0]) ){ + p->sParse.nBlob = sqlite3_value_bytes(argv[0]); + p->sParse.aBlob = (u8*)sqlite3_value_blob(argv[0]); + }else{ + goto json_each_malformed_input; } - jsonEachCursorReset(p); - return rc; - }else if( p->bRecursive && jsonParseFindParents(&p->sParse) ){ - jsonEachCursorReset(p); - return SQLITE_NOMEM; }else{ - JsonNode *pNode = 0; - if( idxNum==3 ){ - const char *zErr = 0; - zRoot = (const char*)sqlite3_value_text(argv[1]); - if( zRoot==0 ) return SQLITE_OK; - n = sqlite3_value_bytes(argv[1]); - p->zRoot = sqlite3_malloc64( n+1 ); - if( p->zRoot==0 ) return SQLITE_NOMEM; - memcpy(p->zRoot, zRoot, (size_t)n+1); - if( zRoot[0]!='$' ){ - zErr = zRoot; - }else{ - pNode = jsonLookupStep(&p->sParse, 0, p->zRoot+1, 0, &zErr); - } - if( zErr ){ - sqlite3_free(cur->pVtab->zErrMsg); - cur->pVtab->zErrMsg = jsonPathSyntaxError(zErr); - jsonEachCursorReset(p); - return cur->pVtab->zErrMsg ? SQLITE_ERROR : SQLITE_NOMEM; - }else if( pNode==0 ){ - return SQLITE_OK; - } - }else{ - pNode = p->sParse.aNode; + p->sParse.zJson = (char*)sqlite3_value_text(argv[0]); + p->sParse.nJson = sqlite3_value_bytes(argv[0]); + if( p->sParse.zJson==0 ){ + p->i = p->iEnd = 0; + return SQLITE_OK; } - p->iBegin = p->i = (int)(pNode - p->sParse.aNode); - p->eType = pNode->eType; - if( p->eType>=JSON_ARRAY ){ - assert( pNode->eU==0 ); - VVA( pNode->eU = 3 ); - pNode->u.iKey = 0; - p->iEnd = p->i + pNode->n + 1; - if( p->bRecursive ){ - p->eType = p->sParse.aNode[p->sParse.aUp[p->i]].eType; - if( p->i>0 && (p->sParse.aNode[p->i-1].jnFlags & JNODE_LABEL)!=0 ){ - p->i--; - } - }else{ - p->i++; + if( jsonConvertTextToBlob(&p->sParse, 0) ){ + if( p->sParse.oom ){ + return SQLITE_NOMEM; } - }else{ - p->iEnd = p->i+1; + goto json_each_malformed_input; } } + if( idxNum==3 ){ + zRoot = (const char*)sqlite3_value_text(argv[1]); + if( zRoot==0 ) return SQLITE_OK; + if( zRoot[0]!='$' ){ + sqlite3_free(cur->pVtab->zErrMsg); + cur->pVtab->zErrMsg = jsonBadPathError(0, zRoot); + jsonEachCursorReset(p); + return cur->pVtab->zErrMsg ? SQLITE_ERROR : SQLITE_NOMEM; + } + p->nRoot = sqlite3Strlen30(zRoot); + if( zRoot[1]==0 ){ + i = p->i = 0; + p->eType = 0; + }else{ + i = jsonLookupStep(&p->sParse, 0, zRoot+1, 0); + if( JSON_LOOKUP_ISERROR(i) ){ + if( i==JSON_LOOKUP_NOTFOUND ){ + p->i = 0; + p->eType = 0; + p->iEnd = 0; + return SQLITE_OK; + } + sqlite3_free(cur->pVtab->zErrMsg); + cur->pVtab->zErrMsg = jsonBadPathError(0, zRoot); + jsonEachCursorReset(p); + return cur->pVtab->zErrMsg ? SQLITE_ERROR : SQLITE_NOMEM; + } + if( p->sParse.iLabel ){ + p->i = p->sParse.iLabel; + p->eType = JSONB_OBJECT; + }else{ + p->i = i; + p->eType = JSONB_ARRAY; + } + } + jsonAppendRaw(&p->path, zRoot, p->nRoot); + }else{ + i = p->i = 0; + p->eType = 0; + p->nRoot = 1; + jsonAppendRaw(&p->path, "$", 1); + } + p->nParent = 0; + n = jsonbPayloadSize(&p->sParse, i, &sz); + p->iEnd = i+n+sz; + if( (p->sParse.aBlob[i] & 0x0f)>=JSONB_ARRAY && !p->bRecursive ){ + p->i = i + n; + p->eType = p->sParse.aBlob[i] & 0x0f; + p->aParent = sqlite3DbMallocZero(p->db, sizeof(JsonParent)); + if( p->aParent==0 ) return SQLITE_NOMEM; + p->nParent = 1; + p->nParentAlloc = 1; + p->aParent[0].iKey = 0; + p->aParent[0].iEnd = p->iEnd; + p->aParent[0].iHead = p->i; + p->aParent[0].iValue = i; + } return SQLITE_OK; + +json_each_malformed_input: + sqlite3_free(cur->pVtab->zErrMsg); + cur->pVtab->zErrMsg = sqlite3_mprintf("malformed JSON"); + jsonEachCursorReset(p); + return cur->pVtab->zErrMsg ? SQLITE_ERROR : SQLITE_NOMEM; } /* The methods of the json_each virtual table */ @@ -201416,7 +208294,8 @@ static sqlite3_module jsonEachModule = { 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; /* The methods of the json_tree virtual table. */ @@ -201444,7 +208323,8 @@ static sqlite3_module jsonTreeModule = { 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; #endif /* SQLITE_OMIT_VIRTUALTABLE */ #endif /* !defined(SQLITE_OMIT_JSON) */ @@ -201455,33 +208335,57 @@ static sqlite3_module jsonTreeModule = { SQLITE_PRIVATE void sqlite3RegisterJsonFunctions(void){ #ifndef SQLITE_OMIT_JSON static FuncDef aJsonFunc[] = { - JFUNCTION(json, 1, 0, jsonRemoveFunc), - JFUNCTION(json_array, -1, 0, jsonArrayFunc), - JFUNCTION(json_array_length, 1, 0, jsonArrayLengthFunc), - JFUNCTION(json_array_length, 2, 0, jsonArrayLengthFunc), - JFUNCTION(json_extract, -1, 0, jsonExtractFunc), - JFUNCTION(->, 2, JSON_JSON, jsonExtractFunc), - JFUNCTION(->>, 2, JSON_SQL, jsonExtractFunc), - JFUNCTION(json_insert, -1, 0, jsonSetFunc), - JFUNCTION(json_object, -1, 0, jsonObjectFunc), - JFUNCTION(json_patch, 2, 0, jsonPatchFunc), - JFUNCTION(json_quote, 1, 0, jsonQuoteFunc), - JFUNCTION(json_remove, -1, 0, jsonRemoveFunc), - JFUNCTION(json_replace, -1, 0, jsonReplaceFunc), - JFUNCTION(json_set, -1, JSON_ISSET, jsonSetFunc), - JFUNCTION(json_type, 1, 0, jsonTypeFunc), - JFUNCTION(json_type, 2, 0, jsonTypeFunc), - JFUNCTION(json_valid, 1, 0, jsonValidFunc), + /* sqlite3_result_subtype() ----, ,--- sqlite3_value_subtype() */ + /* | | */ + /* Uses cache ------, | | ,---- Returns JSONB */ + /* | | | | */ + /* Number of arguments ---, | | | | ,--- Flags */ + /* | | | | | | */ + JFUNCTION(json, 1,1,1, 0,0,0, jsonRemoveFunc), + JFUNCTION(jsonb, 1,1,0, 0,1,0, jsonRemoveFunc), + JFUNCTION(json_array, -1,0,1, 1,0,0, jsonArrayFunc), + JFUNCTION(jsonb_array, -1,0,1, 1,1,0, jsonArrayFunc), + JFUNCTION(json_array_length, 1,1,0, 0,0,0, jsonArrayLengthFunc), + JFUNCTION(json_array_length, 2,1,0, 0,0,0, jsonArrayLengthFunc), + JFUNCTION(json_error_position,1,1,0, 0,0,0, jsonErrorFunc), + JFUNCTION(json_extract, -1,1,1, 0,0,0, jsonExtractFunc), + JFUNCTION(jsonb_extract, -1,1,0, 0,1,0, jsonExtractFunc), + JFUNCTION(->, 2,1,1, 0,0,JSON_JSON, jsonExtractFunc), + JFUNCTION(->>, 2,1,0, 0,0,JSON_SQL, jsonExtractFunc), + JFUNCTION(json_insert, -1,1,1, 1,0,0, jsonSetFunc), + JFUNCTION(jsonb_insert, -1,1,0, 1,1,0, jsonSetFunc), + JFUNCTION(json_object, -1,0,1, 1,0,0, jsonObjectFunc), + JFUNCTION(jsonb_object, -1,0,1, 1,1,0, jsonObjectFunc), + JFUNCTION(json_patch, 2,1,1, 0,0,0, jsonPatchFunc), + JFUNCTION(jsonb_patch, 2,1,0, 0,1,0, jsonPatchFunc), + JFUNCTION(json_quote, 1,0,1, 1,0,0, jsonQuoteFunc), + JFUNCTION(json_remove, -1,1,1, 0,0,0, jsonRemoveFunc), + JFUNCTION(jsonb_remove, -1,1,0, 0,1,0, jsonRemoveFunc), + JFUNCTION(json_replace, -1,1,1, 1,0,0, jsonReplaceFunc), + JFUNCTION(jsonb_replace, -1,1,0, 1,1,0, jsonReplaceFunc), + JFUNCTION(json_set, -1,1,1, 1,0,JSON_ISSET, jsonSetFunc), + JFUNCTION(jsonb_set, -1,1,0, 1,1,JSON_ISSET, jsonSetFunc), + JFUNCTION(json_type, 1,1,0, 0,0,0, jsonTypeFunc), + JFUNCTION(json_type, 2,1,0, 0,0,0, jsonTypeFunc), + JFUNCTION(json_valid, 1,1,0, 0,0,0, jsonValidFunc), + JFUNCTION(json_valid, 2,1,0, 0,0,0, jsonValidFunc), #if SQLITE_DEBUG - JFUNCTION(json_parse, 1, 0, jsonParseFunc), - JFUNCTION(json_test1, 1, 0, jsonTest1Func), + JFUNCTION(json_parse, 1,1,0, 0,0,0, jsonParseFunc), #endif WAGGREGATE(json_group_array, 1, 0, 0, jsonArrayStep, jsonArrayFinal, jsonArrayValue, jsonGroupInverse, - SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC), + SQLITE_SUBTYPE|SQLITE_RESULT_SUBTYPE|SQLITE_UTF8| + SQLITE_DETERMINISTIC), + WAGGREGATE(jsonb_group_array, 1, JSON_BLOB, 0, + jsonArrayStep, jsonArrayFinal, jsonArrayValue, jsonGroupInverse, + SQLITE_SUBTYPE|SQLITE_RESULT_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC), WAGGREGATE(json_group_object, 2, 0, 0, jsonObjectStep, jsonObjectFinal, jsonObjectValue, jsonGroupInverse, - SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC) + SQLITE_SUBTYPE|SQLITE_RESULT_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC), + WAGGREGATE(jsonb_group_object,2, JSON_BLOB, 0, + jsonObjectStep, jsonObjectFinal, jsonObjectValue, jsonGroupInverse, + SQLITE_SUBTYPE|SQLITE_RESULT_SUBTYPE|SQLITE_UTF8| + SQLITE_DETERMINISTIC) }; sqlite3InsertBuiltinFuncs(aJsonFunc, ArraySize(aJsonFunc)); #endif @@ -201608,6 +208512,11 @@ typedef unsigned int u32; #endif #endif /* !defined(SQLITE_AMALGAMATION) */ +/* Macro to check for 4-byte alignment. Only used inside of assert() */ +#ifdef SQLITE_DEBUG +# define FOUR_BYTE_ALIGNED(X) ((((char*)(X) - (char*)0) & 3)==0) +#endif + /* #include */ /* #include */ /* #include */ @@ -201673,6 +208582,7 @@ struct Rtree { int iDepth; /* Current depth of the r-tree structure */ char *zDb; /* Name of database containing r-tree table */ char *zName; /* Name of r-tree table */ + char *zNodeName; /* Name of the %_node table */ u32 nBusy; /* Current number of users of this structure */ i64 nRowEst; /* Estimated number of rows in this table */ u32 nCursor; /* Number of open cursors */ @@ -201685,7 +208595,6 @@ struct Rtree { ** headed by the node (leaf nodes have RtreeNode.iNode==0). */ RtreeNode *pDeleted; - int iReinsertHeight; /* Height of sub-trees Reinsert() has run on */ /* Blob I/O on xxx_node */ sqlite3_blob *pNodeBlob; @@ -201982,17 +208891,23 @@ struct RtreeMatchArg { ** -DSQLITE_RUNTIME_BYTEORDER=1 is set, then byte-order is determined ** at run-time. */ -#ifndef SQLITE_BYTEORDER -#if defined(i386) || defined(__i386__) || defined(_M_IX86) || \ - defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ - defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ - defined(__arm__) -# define SQLITE_BYTEORDER 1234 -#elif defined(sparc) || defined(__ppc__) -# define SQLITE_BYTEORDER 4321 -#else -# define SQLITE_BYTEORDER 0 /* 0 means "unknown at compile-time" */ -#endif +#ifndef SQLITE_BYTEORDER /* Replicate changes at tag-20230904a */ +# if defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ +# define SQLITE_BYTEORDER 4321 +# elif defined(__BYTE_ORDER__) && __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ +# define SQLITE_BYTEORDER 1234 +# elif defined(__BIG_ENDIAN__) && __BIG_ENDIAN__==1 +# define SQLITE_BYTEORDER 4321 +# elif defined(i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ + defined(_M_AMD64) || defined(_M_ARM) || defined(__x86) || \ + defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) +# define SQLITE_BYTEORDER 1234 +# elif defined(sparc) || defined(__ARMEB__) || defined(__AARCH64EB__) +# define SQLITE_BYTEORDER 4321 +# else +# define SQLITE_BYTEORDER 0 +# endif #endif @@ -202013,7 +208928,7 @@ static int readInt16(u8 *p){ return (p[0]<<8) + p[1]; } static void readCoord(u8 *p, RtreeCoord *pCoord){ - assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); #if SQLITE_BYTEORDER==1234 && MSVC_VERSION>=1300 pCoord->u = _byteswap_ulong(*(u32*)p); #elif SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -202067,7 +208982,7 @@ static void writeInt16(u8 *p, int i){ } static int writeCoord(u8 *p, RtreeCoord *pCoord){ u32 i; - assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); assert( sizeof(RtreeCoord)==4 ); assert( sizeof(u32)==4 ); #if SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -202218,7 +209133,7 @@ static int nodeAcquire( ** increase its reference count and return it. */ if( (pNode = nodeHashLookup(pRtree, iNode))!=0 ){ - if( pParent && pParent!=pNode->pParent ){ + if( pParent && ALWAYS(pParent!=pNode->pParent) ){ RTREE_IS_CORRUPT(pRtree); return SQLITE_CORRUPT_VTAB; } @@ -202238,11 +209153,9 @@ static int nodeAcquire( } } if( pRtree->pNodeBlob==0 ){ - char *zTab = sqlite3_mprintf("%s_node", pRtree->zName); - if( zTab==0 ) return SQLITE_NOMEM; - rc = sqlite3_blob_open(pRtree->db, pRtree->zDb, zTab, "data", iNode, 0, + rc = sqlite3_blob_open(pRtree->db, pRtree->zDb, pRtree->zNodeName, + "data", iNode, 0, &pRtree->pNodeBlob); - sqlite3_free(zTab); } if( rc ){ nodeBlobReset(pRtree); @@ -202795,7 +209708,7 @@ static void rtreeNonleafConstraint( assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); - assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ case RTREE_FALSE: break; /* Never satisfied */ @@ -202848,7 +209761,7 @@ static void rtreeLeafConstraint( || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); pCellData += 8 + p->iCoord*4; - assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); RTREE_DECODE_COORD(eInt, pCellData, xN); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ @@ -203418,7 +210331,20 @@ static int rtreeFilter( p->pInfo->nCoord = pRtree->nDim2; p->pInfo->anQueue = pCsr->anQueue; p->pInfo->mxLevel = pRtree->iDepth + 1; - }else if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ + }else if( eType==SQLITE_INTEGER ){ + sqlite3_int64 iVal = sqlite3_value_int64(argv[ii]); +#ifdef SQLITE_RTREE_INT_ONLY + p->u.rValue = iVal; +#else + p->u.rValue = (double)iVal; + if( iVal>=((sqlite3_int64)1)<<48 + || iVal<=-(((sqlite3_int64)1)<<48) + ){ + if( p->op==RTREE_LT ) p->op = RTREE_LE; + if( p->op==RTREE_GT ) p->op = RTREE_GE; + } +#endif + }else if( eType==SQLITE_FLOAT ){ #ifdef SQLITE_RTREE_INT_ONLY p->u.rValue = sqlite3_value_int64(argv[ii]); #else @@ -203549,11 +210475,12 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ || p->op==SQLITE_INDEX_CONSTRAINT_MATCH) ){ u8 op; + u8 doOmit = 1; switch( p->op ){ - case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; break; - case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; break; + case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; doOmit = 0; break; + case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_LE: op = RTREE_LE; break; - case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; break; + case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_GE: op = RTREE_GE; break; case SQLITE_INDEX_CONSTRAINT_MATCH: op = RTREE_MATCH; break; default: op = 0; break; @@ -203562,15 +210489,19 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ zIdxStr[iIdx++] = op; zIdxStr[iIdx++] = (char)(p->iColumn - 1 + '0'); pIdxInfo->aConstraintUsage[ii].argvIndex = (iIdx/2); - pIdxInfo->aConstraintUsage[ii].omit = 1; + pIdxInfo->aConstraintUsage[ii].omit = doOmit; } } } pIdxInfo->idxNum = 2; pIdxInfo->needToFreeIdxStr = 1; - if( iIdx>0 && 0==(pIdxInfo->idxStr = sqlite3_mprintf("%s", zIdxStr)) ){ - return SQLITE_NOMEM; + if( iIdx>0 ){ + pIdxInfo->idxStr = sqlite3_malloc( iIdx+1 ); + if( pIdxInfo->idxStr==0 ){ + return SQLITE_NOMEM; + } + memcpy(pIdxInfo->idxStr, zIdxStr, iIdx+1); } nRow = pRtree->nRowEst >> (iIdx/2); @@ -203649,31 +210580,22 @@ static void cellUnion(Rtree *pRtree, RtreeCell *p1, RtreeCell *p2){ */ static int cellContains(Rtree *pRtree, RtreeCell *p1, RtreeCell *p2){ int ii; - int isInt = (pRtree->eCoordType==RTREE_COORD_INT32); - for(ii=0; iinDim2; ii+=2){ - RtreeCoord *a1 = &p1->aCoord[ii]; - RtreeCoord *a2 = &p2->aCoord[ii]; - if( (!isInt && (a2[0].fa1[1].f)) - || ( isInt && (a2[0].ia1[1].i)) - ){ - return 0; + if( pRtree->eCoordType==RTREE_COORD_INT32 ){ + for(ii=0; iinDim2; ii+=2){ + RtreeCoord *a1 = &p1->aCoord[ii]; + RtreeCoord *a2 = &p2->aCoord[ii]; + if( a2[0].ia1[1].i ) return 0; + } + }else{ + for(ii=0; iinDim2; ii+=2){ + RtreeCoord *a1 = &p1->aCoord[ii]; + RtreeCoord *a2 = &p2->aCoord[ii]; + if( a2[0].fa1[1].f ) return 0; } } return 1; } -/* -** Return the amount cell p would grow by if it were unioned with pCell. -*/ -static RtreeDValue cellGrowth(Rtree *pRtree, RtreeCell *p, RtreeCell *pCell){ - RtreeDValue area; - RtreeCell cell; - memcpy(&cell, p, sizeof(RtreeCell)); - area = cellArea(pRtree, &cell); - cellUnion(pRtree, &cell, pCell); - return (cellArea(pRtree, &cell)-area); -} - static RtreeDValue cellOverlap( Rtree *pRtree, RtreeCell *p, @@ -203720,38 +210642,52 @@ static int ChooseLeaf( for(ii=0; rc==SQLITE_OK && ii<(pRtree->iDepth-iHeight); ii++){ int iCell; sqlite3_int64 iBest = 0; - + int bFound = 0; RtreeDValue fMinGrowth = RTREE_ZERO; RtreeDValue fMinArea = RTREE_ZERO; - int nCell = NCELL(pNode); - RtreeCell cell; RtreeNode *pChild = 0; - RtreeCell *aCell = 0; - - /* Select the child node which will be enlarged the least if pCell - ** is inserted into it. Resolve ties by choosing the entry with - ** the smallest area. + /* First check to see if there is are any cells in pNode that completely + ** contains pCell. If two or more cells in pNode completely contain pCell + ** then pick the smallest. */ for(iCell=0; iCell1 ){ - int iLeft = 0; - int iRight = 0; - - int nLeft = nIdx/2; - int nRight = nIdx-nLeft; - int *aLeft = aIdx; - int *aRight = &aIdx[nLeft]; - - SortByDistance(aLeft, nLeft, aDistance, aSpare); - SortByDistance(aRight, nRight, aDistance, aSpare); - - memcpy(aSpare, aLeft, sizeof(int)*nLeft); - aLeft = aSpare; - - while( iLeftnDim; iDim++){ - aCenterCoord[iDim] += DCOORD(aCell[ii].aCoord[iDim*2]); - aCenterCoord[iDim] += DCOORD(aCell[ii].aCoord[iDim*2+1]); - } - } - for(iDim=0; iDimnDim; iDim++){ - aCenterCoord[iDim] = (aCenterCoord[iDim]/(nCell*(RtreeDValue)2)); - } - - for(ii=0; iinDim; iDim++){ - RtreeDValue coord = (DCOORD(aCell[ii].aCoord[iDim*2+1]) - - DCOORD(aCell[ii].aCoord[iDim*2])); - aDistance[ii] += (coord-aCenterCoord[iDim])*(coord-aCenterCoord[iDim]); - } - } - - SortByDistance(aOrder, nCell, aDistance, aSpare); - nodeZero(pRtree, pNode); - - for(ii=0; rc==SQLITE_OK && ii<(nCell-(RTREE_MINCELLS(pRtree)+1)); ii++){ - RtreeCell *p = &aCell[aOrder[ii]]; - nodeInsertCell(pRtree, pNode, p); - if( p->iRowid==pCell->iRowid ){ - if( iHeight==0 ){ - rc = rowidWrite(pRtree, p->iRowid, pNode->iNode); - }else{ - rc = parentWrite(pRtree, p->iRowid, pNode->iNode); - } - } - } - if( rc==SQLITE_OK ){ - rc = fixBoundingBox(pRtree, pNode); - } - for(; rc==SQLITE_OK && iiiNode currently contains - ** the height of the sub-tree headed by the cell. - */ - RtreeNode *pInsert; - RtreeCell *p = &aCell[aOrder[ii]]; - rc = ChooseLeaf(pRtree, p, iHeight, &pInsert); - if( rc==SQLITE_OK ){ - int rc2; - rc = rtreeInsertCell(pRtree, pInsert, p, iHeight); - rc2 = nodeRelease(pRtree, pInsert); - if( rc==SQLITE_OK ){ - rc = rc2; - } - } - } - - sqlite3_free(aCell); - return rc; -} - /* ** Insert cell pCell into node pNode. Node pNode is the head of a ** subtree iHeight high (leaf nodes have iHeight==0). @@ -204500,12 +211264,7 @@ static int rtreeInsertCell( } } if( nodeInsertCell(pRtree, pNode, pCell) ){ - if( iHeight<=pRtree->iReinsertHeight || pNode->iNode==1){ - rc = SplitNode(pRtree, pNode, pCell, iHeight); - }else{ - pRtree->iReinsertHeight = iHeight; - rc = Reinsert(pRtree, pNode, pCell, iHeight); - } + rc = SplitNode(pRtree, pNode, pCell, iHeight); }else{ rc = AdjustTree(pRtree, pNode, pCell); if( ALWAYS(rc==SQLITE_OK) ){ @@ -204848,7 +211607,6 @@ static int rtreeUpdate( } if( rc==SQLITE_OK ){ int rc2; - pRtree->iReinsertHeight = -1; rc = rtreeInsertCell(pRtree, pLeaf, &cell, 0); rc2 = nodeRelease(pRtree, pLeaf); if( rc==SQLITE_OK ){ @@ -204989,8 +211747,11 @@ static int rtreeShadowName(const char *zName){ return 0; } +/* Forward declaration */ +static int rtreeIntegrity(sqlite3_vtab*, const char*, const char*, int, char**); + static sqlite3_module rtreeModule = { - 3, /* iVersion */ + 4, /* iVersion */ rtreeCreate, /* xCreate - create a table */ rtreeConnect, /* xConnect - connect to an existing table */ rtreeBestIndex, /* xBestIndex - Determine search strategy */ @@ -205013,7 +211774,8 @@ static sqlite3_module rtreeModule = { rtreeSavepoint, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - rtreeShadowName /* xShadowName */ + rtreeShadowName, /* xShadowName */ + rtreeIntegrity /* xIntegrity */ }; static int rtreeSqlInit( @@ -205106,7 +211868,7 @@ static int rtreeSqlInit( } sqlite3_free(zSql); } - if( pRtree->nAux ){ + if( pRtree->nAux && rc!=SQLITE_NOMEM ){ pRtree->zReadAuxSql = sqlite3_mprintf( "SELECT * FROM \"%w\".\"%w_rowid\" WHERE rowid=?1", zDb, zPrefix); @@ -205269,22 +212031,27 @@ static int rtreeInit( } sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1); + sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS); + /* Allocate the sqlite3_vtab structure */ nDb = (int)strlen(argv[1]); nName = (int)strlen(argv[2]); - pRtree = (Rtree *)sqlite3_malloc64(sizeof(Rtree)+nDb+nName+2); + pRtree = (Rtree *)sqlite3_malloc64(sizeof(Rtree)+nDb+nName*2+8); if( !pRtree ){ return SQLITE_NOMEM; } - memset(pRtree, 0, sizeof(Rtree)+nDb+nName+2); + memset(pRtree, 0, sizeof(Rtree)+nDb+nName*2+8); pRtree->nBusy = 1; pRtree->base.pModule = &rtreeModule; pRtree->zDb = (char *)&pRtree[1]; pRtree->zName = &pRtree->zDb[nDb+1]; + pRtree->zNodeName = &pRtree->zName[nName+1]; pRtree->eCoordType = (u8)eCoordType; memcpy(pRtree->zDb, argv[1], nDb); memcpy(pRtree->zName, argv[2], nName); + memcpy(pRtree->zNodeName, argv[2], nName); + memcpy(&pRtree->zNodeName[nName], "_node", 6); /* Create/Connect to the underlying relational database schema. If @@ -205781,7 +212548,6 @@ static int rtreeCheckTable( ){ RtreeCheck check; /* Common context for various routines */ sqlite3_stmt *pStmt = 0; /* Used to find column count of rtree table */ - int bEnd = 0; /* True if transaction should be closed */ int nAux = 0; /* Number of extra columns. */ /* Initialize the context object */ @@ -205790,24 +212556,14 @@ static int rtreeCheckTable( check.zDb = zDb; check.zTab = zTab; - /* If there is not already an open transaction, open one now. This is - ** to ensure that the queries run as part of this integrity-check operate - ** on a consistent snapshot. */ - if( sqlite3_get_autocommit(db) ){ - check.rc = sqlite3_exec(db, "BEGIN", 0, 0, 0); - bEnd = 1; - } - /* Find the number of auxiliary columns */ - if( check.rc==SQLITE_OK ){ - pStmt = rtreeCheckPrepare(&check, "SELECT * FROM %Q.'%q_rowid'", zDb, zTab); - if( pStmt ){ - nAux = sqlite3_column_count(pStmt) - 2; - sqlite3_finalize(pStmt); - }else - if( check.rc!=SQLITE_NOMEM ){ - check.rc = SQLITE_OK; - } + pStmt = rtreeCheckPrepare(&check, "SELECT * FROM %Q.'%q_rowid'", zDb, zTab); + if( pStmt ){ + nAux = sqlite3_column_count(pStmt) - 2; + sqlite3_finalize(pStmt); + }else + if( check.rc!=SQLITE_NOMEM ){ + check.rc = SQLITE_OK; } /* Find number of dimensions in the rtree table. */ @@ -205838,15 +212594,35 @@ static int rtreeCheckTable( sqlite3_finalize(check.aCheckMapping[0]); sqlite3_finalize(check.aCheckMapping[1]); - /* If one was opened, close the transaction */ - if( bEnd ){ - int rc = sqlite3_exec(db, "END", 0, 0, 0); - if( check.rc==SQLITE_OK ) check.rc = rc; - } *pzReport = check.zReport; return check.rc; } +/* +** Implementation of the xIntegrity method for Rtree. +*/ +static int rtreeIntegrity( + sqlite3_vtab *pVtab, /* The virtual table to check */ + const char *zSchema, /* Schema in which the virtual table lives */ + const char *zName, /* Name of the virtual table */ + int isQuick, /* True for a quick_check */ + char **pzErr /* Write results here */ +){ + Rtree *pRtree = (Rtree*)pVtab; + int rc; + assert( pzErr!=0 && *pzErr==0 ); + UNUSED_PARAMETER(zSchema); + UNUSED_PARAMETER(zName); + UNUSED_PARAMETER(isQuick); + rc = rtreeCheckTable(pRtree->db, pRtree->zDb, pRtree->zName, pzErr); + if( rc==SQLITE_OK && *pzErr ){ + *pzErr = sqlite3_mprintf("In RTree %s.%s:\n%z", + pRtree->zDb, pRtree->zName, *pzErr); + if( (*pzErr)==0 ) rc = SQLITE_NOMEM; + } + return rc; +} + /* ** Usage: ** @@ -207168,24 +213944,28 @@ static int geopolyInit( (void)pAux; sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1); + sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS); /* Allocate the sqlite3_vtab structure */ nDb = strlen(argv[1]); nName = strlen(argv[2]); - pRtree = (Rtree *)sqlite3_malloc64(sizeof(Rtree)+nDb+nName+2); + pRtree = (Rtree *)sqlite3_malloc64(sizeof(Rtree)+nDb+nName*2+8); if( !pRtree ){ return SQLITE_NOMEM; } - memset(pRtree, 0, sizeof(Rtree)+nDb+nName+2); + memset(pRtree, 0, sizeof(Rtree)+nDb+nName*2+8); pRtree->nBusy = 1; pRtree->base.pModule = &rtreeModule; pRtree->zDb = (char *)&pRtree[1]; pRtree->zName = &pRtree->zDb[nDb+1]; + pRtree->zNodeName = &pRtree->zName[nName+1]; pRtree->eCoordType = RTREE_COORD_REAL32; pRtree->nDim = 2; pRtree->nDim2 = 4; memcpy(pRtree->zDb, argv[1], nDb); memcpy(pRtree->zName, argv[2], nName); + memcpy(pRtree->zNodeName, argv[2], nName); + memcpy(&pRtree->zNodeName[nName], "_node", 6); /* Create/Connect to the underlying relational database schema. If @@ -207599,7 +214379,6 @@ static int geopolyUpdate( } if( rc==SQLITE_OK ){ int rc2; - pRtree->iReinsertHeight = -1; rc = rtreeInsertCell(pRtree, pLeaf, &cell, 0); rc2 = nodeRelease(pRtree, pLeaf); if( rc==SQLITE_OK ){ @@ -207696,7 +214475,8 @@ static sqlite3_module geopolyModule = { rtreeSavepoint, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - rtreeShadowName /* xShadowName */ + rtreeShadowName, /* xShadowName */ + rtreeIntegrity /* xIntegrity */ }; static int sqlite3_geopoly_init(sqlite3 *db){ @@ -212537,6 +219317,11 @@ static void rbuCheckpointFrame(sqlite3rbu *p, RbuFrame *pFrame){ p->rc = pDb->pMethods->xWrite(pDb, p->aBuf, p->pgsz, iOff); } +/* +** This value is copied from the definition of ZIPVFS_CTRL_FILE_POINTER +** in zipvfs.h. +*/ +#define RBU_ZIPVFS_CTRL_FILE_POINTER 230439 /* ** Take an EXCLUSIVE lock on the database file. Return SQLITE_OK if @@ -212545,9 +219330,20 @@ static void rbuCheckpointFrame(sqlite3rbu *p, RbuFrame *pFrame){ static int rbuLockDatabase(sqlite3 *db){ int rc = SQLITE_OK; sqlite3_file *fd = 0; - sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, &fd); - if( fd->pMethods ){ + sqlite3_file_control(db, "main", RBU_ZIPVFS_CTRL_FILE_POINTER, &fd); + if( fd ){ + sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, &fd); + rc = fd->pMethods->xLock(fd, SQLITE_LOCK_SHARED); + if( rc==SQLITE_OK ){ + rc = fd->pMethods->xUnlock(fd, SQLITE_LOCK_NONE); + } + sqlite3_file_control(db, "main", RBU_ZIPVFS_CTRL_FILE_POINTER, &fd); + }else{ + sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, &fd); + } + + if( rc==SQLITE_OK && fd->pMethods ){ rc = fd->pMethods->xLock(fd, SQLITE_LOCK_SHARED); if( rc==SQLITE_OK ){ rc = fd->pMethods->xLock(fd, SQLITE_LOCK_EXCLUSIVE); @@ -215694,7 +222490,8 @@ SQLITE_PRIVATE int sqlite3DbstatRegister(sqlite3 *db){ 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; return sqlite3_create_module(db, "dbstat", &dbstat_module, 0); } @@ -215784,6 +222581,7 @@ static int dbpageConnect( (void)pzErr; sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); + sqlite3_vtab_config(db, SQLITE_VTAB_USES_ALL_SCHEMAS); rc = sqlite3_declare_vtab(db, "CREATE TABLE x(pgno INTEGER PRIMARY KEY, data BLOB, schema HIDDEN)"); if( rc==SQLITE_OK ){ @@ -215867,7 +222665,6 @@ static int dbpageBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ ){ pIdxInfo->orderByConsumed = 1; } - sqlite3VtabUsesAllSchemas(pIdxInfo); return SQLITE_OK; } @@ -216131,7 +222928,8 @@ SQLITE_PRIVATE int sqlite3DbpageRegister(sqlite3 *db){ 0, /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ - 0 /* xShadowName */ + 0, /* xShadowName */ + 0 /* xIntegrity */ }; return sqlite3_create_module(db, "sqlite_dbpage", &dbpage_module, 0); } @@ -216168,6 +222966,8 @@ typedef struct SessionInput SessionInput; # endif #endif +#define SESSIONS_ROWID "_rowid_" + static int sessions_strm_chunk_size = SESSIONS_STRM_CHUNK_SIZE; typedef struct SessionHook SessionHook; @@ -216189,6 +222989,7 @@ struct sqlite3_session { int bEnable; /* True if currently recording */ int bIndirect; /* True if all changes are indirect */ int bAutoAttach; /* True to auto-attach tables */ + int bImplicitPK; /* True to handle tables with implicit PK */ int rc; /* Non-zero if an error has occurred */ void *pFilterCtx; /* First argument to pass to xTableFilter */ int (*xTableFilter)(void *pCtx, const char *zTab); @@ -216259,17 +223060,32 @@ struct sqlite3_changeset_iter { ** The data associated with each hash-table entry is a structure containing ** a subset of the initial values that the modified row contained at the ** start of the session. Or no initial values if the row was inserted. +** +** pDfltStmt: +** This is only used by the sqlite3changegroup_xxx() APIs, not by +** regular sqlite3_session objects. It is a SELECT statement that +** selects the default value for each table column. For example, +** if the table is +** +** CREATE TABLE xx(a DEFAULT 1, b, c DEFAULT 'abc') +** +** then this variable is the compiled version of: +** +** SELECT 1, NULL, 'abc' */ struct SessionTable { SessionTable *pNext; char *zName; /* Local name of table */ int nCol; /* Number of columns in table zName */ int bStat1; /* True if this is sqlite_stat1 */ + int bRowid; /* True if this table uses rowid for PK */ const char **azCol; /* Column names */ + const char **azDflt; /* Default value expressions */ u8 *abPK; /* Array of primary key flags */ int nEntry; /* Total number of entries in hash table */ int nChange; /* Size of apChange[] array */ SessionChange **apChange; /* Hash table buckets */ + sqlite3_stmt *pDfltStmt; }; /* @@ -216438,6 +223254,7 @@ struct SessionTable { struct SessionChange { u8 op; /* One of UPDATE, DELETE, INSERT */ u8 bIndirect; /* True if this change is "indirect" */ + u16 nRecordField; /* Number of fields in aRecord[] */ int nMaxSize; /* Max size of eventual changeset record */ int nRecord; /* Number of bytes in buffer aRecord[] */ u8 *aRecord; /* Buffer containing old.* record */ @@ -216463,7 +223280,7 @@ static int sessionVarintLen(int iVal){ ** Read a varint value from aBuf[] into *piVal. Return the number of ** bytes read. */ -static int sessionVarintGet(u8 *aBuf, int *piVal){ +static int sessionVarintGet(const u8 *aBuf, int *piVal){ return getVarint32(aBuf, *piVal); } @@ -216657,6 +223474,7 @@ static unsigned int sessionHashAppendType(unsigned int h, int eType){ */ static int sessionPreupdateHash( sqlite3_session *pSession, /* Session object that owns pTab */ + i64 iRowid, SessionTable *pTab, /* Session table handle */ int bNew, /* True to hash the new.* PK */ int *piHash, /* OUT: Hash value */ @@ -216665,48 +223483,53 @@ static int sessionPreupdateHash( unsigned int h = 0; /* Hash value to return */ int i; /* Used to iterate through columns */ - assert( *pbNullPK==0 ); - assert( pTab->nCol==pSession->hook.xCount(pSession->hook.pCtx) ); - for(i=0; inCol; i++){ - if( pTab->abPK[i] ){ - int rc; - int eType; - sqlite3_value *pVal; + if( pTab->bRowid ){ + assert( pTab->nCol-1==pSession->hook.xCount(pSession->hook.pCtx) ); + h = sessionHashAppendI64(h, iRowid); + }else{ + assert( *pbNullPK==0 ); + assert( pTab->nCol==pSession->hook.xCount(pSession->hook.pCtx) ); + for(i=0; inCol; i++){ + if( pTab->abPK[i] ){ + int rc; + int eType; + sqlite3_value *pVal; - if( bNew ){ - rc = pSession->hook.xNew(pSession->hook.pCtx, i, &pVal); - }else{ - rc = pSession->hook.xOld(pSession->hook.pCtx, i, &pVal); - } - if( rc!=SQLITE_OK ) return rc; + if( bNew ){ + rc = pSession->hook.xNew(pSession->hook.pCtx, i, &pVal); + }else{ + rc = pSession->hook.xOld(pSession->hook.pCtx, i, &pVal); + } + if( rc!=SQLITE_OK ) return rc; - eType = sqlite3_value_type(pVal); - h = sessionHashAppendType(h, eType); - if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ - i64 iVal; - if( eType==SQLITE_INTEGER ){ - iVal = sqlite3_value_int64(pVal); + eType = sqlite3_value_type(pVal); + h = sessionHashAppendType(h, eType); + if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ + i64 iVal; + if( eType==SQLITE_INTEGER ){ + iVal = sqlite3_value_int64(pVal); + }else{ + double rVal = sqlite3_value_double(pVal); + assert( sizeof(iVal)==8 && sizeof(rVal)==8 ); + memcpy(&iVal, &rVal, 8); + } + h = sessionHashAppendI64(h, iVal); + }else if( eType==SQLITE_TEXT || eType==SQLITE_BLOB ){ + const u8 *z; + int n; + if( eType==SQLITE_TEXT ){ + z = (const u8 *)sqlite3_value_text(pVal); + }else{ + z = (const u8 *)sqlite3_value_blob(pVal); + } + n = sqlite3_value_bytes(pVal); + if( !z && (eType!=SQLITE_BLOB || n>0) ) return SQLITE_NOMEM; + h = sessionHashAppendBlob(h, n, z); }else{ - double rVal = sqlite3_value_double(pVal); - assert( sizeof(iVal)==8 && sizeof(rVal)==8 ); - memcpy(&iVal, &rVal, 8); + assert( eType==SQLITE_NULL ); + assert( pTab->bStat1==0 || i!=1 ); + *pbNullPK = 1; } - h = sessionHashAppendI64(h, iVal); - }else if( eType==SQLITE_TEXT || eType==SQLITE_BLOB ){ - const u8 *z; - int n; - if( eType==SQLITE_TEXT ){ - z = (const u8 *)sqlite3_value_text(pVal); - }else{ - z = (const u8 *)sqlite3_value_blob(pVal); - } - n = sqlite3_value_bytes(pVal); - if( !z && (eType!=SQLITE_BLOB || n>0) ) return SQLITE_NOMEM; - h = sessionHashAppendBlob(h, n, z); - }else{ - assert( eType==SQLITE_NULL ); - assert( pTab->bStat1==0 || i!=1 ); - *pbNullPK = 1; } } } @@ -216720,9 +223543,11 @@ static int sessionPreupdateHash( ** Return the number of bytes of space occupied by the value (including ** the type byte). */ -static int sessionSerialLen(u8 *a){ - int e = *a; +static int sessionSerialLen(const u8 *a){ + int e; int n; + assert( a!=0 ); + e = *a; if( e==0 || e==0xFF ) return 1; if( e==SQLITE_NULL ) return 1; if( e==SQLITE_INTEGER || e==SQLITE_FLOAT ) return 9; @@ -216989,6 +223814,7 @@ static int sessionMergeUpdate( */ static int sessionPreupdateEqual( sqlite3_session *pSession, /* Session object that owns SessionTable */ + i64 iRowid, /* Rowid value if pTab->bRowid */ SessionTable *pTab, /* Table associated with change */ SessionChange *pChange, /* Change to compare to */ int op /* Current pre-update operation */ @@ -216996,6 +223822,11 @@ static int sessionPreupdateEqual( int iCol; /* Used to iterate through columns */ u8 *a = pChange->aRecord; /* Cursor used to scan change record */ + if( pTab->bRowid ){ + if( a[0]!=SQLITE_INTEGER ) return 0; + return sessionGetI64(&a[1])==iRowid; + } + assert( op==SQLITE_INSERT || op==SQLITE_UPDATE || op==SQLITE_DELETE ); for(iCol=0; iColnCol; iCol++){ if( !pTab->abPK[iCol] ){ @@ -217018,6 +223849,7 @@ static int sessionPreupdateEqual( rc = pSession->hook.xOld(pSession->hook.pCtx, iCol, &pVal); } assert( rc==SQLITE_OK ); + (void)rc; /* Suppress warning about unused variable */ if( sqlite3_value_type(pVal)!=eType ) return 0; /* A SessionChange object never has a NULL value in a PK column */ @@ -217120,13 +223952,14 @@ static int sessionGrowHash( ** ** For example, if the table is declared as: ** -** CREATE TABLE tbl1(w, x, y, z, PRIMARY KEY(w, z)); +** CREATE TABLE tbl1(w, x DEFAULT 'abc', y, z, PRIMARY KEY(w, z)); ** -** Then the four output variables are populated as follows: +** Then the five output variables are populated as follows: ** ** *pnCol = 4 ** *pzTab = "tbl1" ** *pazCol = {"w", "x", "y", "z"} +** *pazDflt = {NULL, 'abc', NULL, NULL} ** *pabPK = {1, 0, 0, 1} ** ** All returned buffers are part of the same single allocation, which must @@ -217140,7 +223973,9 @@ static int sessionTableInfo( int *pnCol, /* OUT: number of columns */ const char **pzTab, /* OUT: Copy of zThis */ const char ***pazCol, /* OUT: Array of column names for table */ - u8 **pabPK /* OUT: Array of booleans - true for PK col */ + const char ***pazDflt, /* OUT: Array of default value expressions */ + u8 **pabPK, /* OUT: Array of booleans - true for PK col */ + int *pbRowid /* OUT: True if only PK is a rowid */ ){ char *zPragma; sqlite3_stmt *pStmt; @@ -217151,10 +223986,18 @@ static int sessionTableInfo( int i; u8 *pAlloc = 0; char **azCol = 0; + char **azDflt = 0; u8 *abPK = 0; + int bRowid = 0; /* Set to true to use rowid as PK */ assert( pazCol && pabPK ); + *pazCol = 0; + *pabPK = 0; + *pnCol = 0; + if( pzTab ) *pzTab = 0; + if( pazDflt ) *pazDflt = 0; + nThis = sqlite3Strlen30(zThis); if( nThis==12 && 0==sqlite3_stricmp("sqlite_stat1", zThis) ){ rc = sqlite3_table_column_metadata(db, zDb, zThis, 0, 0, 0, 0, 0, 0); @@ -217168,50 +224011,47 @@ static int sessionTableInfo( }else if( rc==SQLITE_ERROR ){ zPragma = sqlite3_mprintf(""); }else{ - *pazCol = 0; - *pabPK = 0; - *pnCol = 0; - if( pzTab ) *pzTab = 0; return rc; } }else{ zPragma = sqlite3_mprintf("PRAGMA '%q'.table_info('%q')", zDb, zThis); } if( !zPragma ){ - *pazCol = 0; - *pabPK = 0; - *pnCol = 0; - if( pzTab ) *pzTab = 0; return SQLITE_NOMEM; } rc = sqlite3_prepare_v2(db, zPragma, -1, &pStmt, 0); sqlite3_free(zPragma); if( rc!=SQLITE_OK ){ - *pazCol = 0; - *pabPK = 0; - *pnCol = 0; - if( pzTab ) *pzTab = 0; return rc; } nByte = nThis + 1; + bRowid = (pbRowid!=0); while( SQLITE_ROW==sqlite3_step(pStmt) ){ - nByte += sqlite3_column_bytes(pStmt, 1); + nByte += sqlite3_column_bytes(pStmt, 1); /* name */ + nByte += sqlite3_column_bytes(pStmt, 4); /* dflt_value */ nDbCol++; + if( sqlite3_column_int(pStmt, 5) ) bRowid = 0; /* pk */ } + if( nDbCol==0 ) bRowid = 0; + nDbCol += bRowid; + nByte += strlen(SESSIONS_ROWID); rc = sqlite3_reset(pStmt); if( rc==SQLITE_OK ){ - nByte += nDbCol * (sizeof(const char *) + sizeof(u8) + 1); + nByte += nDbCol * (sizeof(const char *)*2 + sizeof(u8) + 1 + 1); pAlloc = sessionMalloc64(pSession, nByte); if( pAlloc==0 ){ rc = SQLITE_NOMEM; + }else{ + memset(pAlloc, 0, nByte); } } if( rc==SQLITE_OK ){ azCol = (char **)pAlloc; - pAlloc = (u8 *)&azCol[nDbCol]; + azDflt = (char**)&azCol[nDbCol]; + pAlloc = (u8 *)&azDflt[nDbCol]; abPK = (u8 *)pAlloc; pAlloc = &abPK[nDbCol]; if( pzTab ){ @@ -217221,43 +224061,57 @@ static int sessionTableInfo( } i = 0; + if( bRowid ){ + size_t nName = strlen(SESSIONS_ROWID); + memcpy(pAlloc, SESSIONS_ROWID, nName+1); + azCol[i] = (char*)pAlloc; + pAlloc += nName+1; + abPK[i] = 1; + i++; + } while( SQLITE_ROW==sqlite3_step(pStmt) ){ int nName = sqlite3_column_bytes(pStmt, 1); + int nDflt = sqlite3_column_bytes(pStmt, 4); const unsigned char *zName = sqlite3_column_text(pStmt, 1); + const unsigned char *zDflt = sqlite3_column_text(pStmt, 4); + if( zName==0 ) break; memcpy(pAlloc, zName, nName+1); azCol[i] = (char *)pAlloc; pAlloc += nName+1; + if( zDflt ){ + memcpy(pAlloc, zDflt, nDflt+1); + azDflt[i] = (char *)pAlloc; + pAlloc += nDflt+1; + }else{ + azDflt[i] = 0; + } abPK[i] = sqlite3_column_int(pStmt, 5); i++; } rc = sqlite3_reset(pStmt); - } /* If successful, populate the output variables. Otherwise, zero them and ** free any allocation made. An error code will be returned in this case. */ if( rc==SQLITE_OK ){ - *pazCol = (const char **)azCol; + *pazCol = (const char**)azCol; + if( pazDflt ) *pazDflt = (const char**)azDflt; *pabPK = abPK; *pnCol = nDbCol; }else{ - *pazCol = 0; - *pabPK = 0; - *pnCol = 0; - if( pzTab ) *pzTab = 0; sessionFree(pSession, azCol); } + if( pbRowid ) *pbRowid = bRowid; sqlite3_finalize(pStmt); return rc; } /* -** This function is only called from within a pre-update handler for a -** write to table pTab, part of session pSession. If this is the first -** write to this table, initalize the SessionTable.nCol, azCol[] and -** abPK[] arrays accordingly. +** This function is called to initialize the SessionTable.nCol, azCol[] +** abPK[] and azDflt[] members of SessionTable object pTab. If these +** fields are already initilialized, this function is a no-op. ** ** If an error occurs, an error code is stored in sqlite3_session.rc and ** non-zero returned. Or, if no error occurs but the table has no primary @@ -217265,14 +224119,22 @@ static int sessionTableInfo( ** indicate that updates on this table should be ignored. SessionTable.abPK ** is set to NULL in this case. */ -static int sessionInitTable(sqlite3_session *pSession, SessionTable *pTab){ +static int sessionInitTable( + sqlite3_session *pSession, /* Optional session handle */ + SessionTable *pTab, /* Table object to initialize */ + sqlite3 *db, /* Database handle to read schema from */ + const char *zDb /* Name of db - "main", "temp" etc. */ +){ + int rc = SQLITE_OK; + if( pTab->nCol==0 ){ u8 *abPK; assert( pTab->azCol==0 || pTab->abPK==0 ); - pSession->rc = sessionTableInfo(pSession, pSession->db, pSession->zDb, - pTab->zName, &pTab->nCol, 0, &pTab->azCol, &abPK + rc = sessionTableInfo(pSession, db, zDb, + pTab->zName, &pTab->nCol, 0, &pTab->azCol, &pTab->azDflt, &abPK, + ((pSession==0 || pSession->bImplicitPK) ? &pTab->bRowid : 0) ); - if( pSession->rc==SQLITE_OK ){ + if( rc==SQLITE_OK ){ int i; for(i=0; inCol; i++){ if( abPK[i] ){ @@ -217284,14 +224146,321 @@ static int sessionInitTable(sqlite3_session *pSession, SessionTable *pTab){ pTab->bStat1 = 1; } - if( pSession->bEnableSize ){ + if( pSession && pSession->bEnableSize ){ pSession->nMaxChangesetSize += ( 1 + sessionVarintLen(pTab->nCol) + pTab->nCol + strlen(pTab->zName)+1 ); } } } - return (pSession->rc || pTab->abPK==0); + + if( pSession ){ + pSession->rc = rc; + return (rc || pTab->abPK==0); + } + return rc; +} + +/* +** Re-initialize table object pTab. +*/ +static int sessionReinitTable(sqlite3_session *pSession, SessionTable *pTab){ + int nCol = 0; + const char **azCol = 0; + const char **azDflt = 0; + u8 *abPK = 0; + int bRowid = 0; + + assert( pSession->rc==SQLITE_OK ); + + pSession->rc = sessionTableInfo(pSession, pSession->db, pSession->zDb, + pTab->zName, &nCol, 0, &azCol, &azDflt, &abPK, + (pSession->bImplicitPK ? &bRowid : 0) + ); + if( pSession->rc==SQLITE_OK ){ + if( pTab->nCol>nCol || pTab->bRowid!=bRowid ){ + pSession->rc = SQLITE_SCHEMA; + }else{ + int ii; + int nOldCol = pTab->nCol; + for(ii=0; iinCol ){ + if( pTab->abPK[ii]!=abPK[ii] ){ + pSession->rc = SQLITE_SCHEMA; + } + }else if( abPK[ii] ){ + pSession->rc = SQLITE_SCHEMA; + } + } + + if( pSession->rc==SQLITE_OK ){ + const char **a = pTab->azCol; + pTab->azCol = azCol; + pTab->nCol = nCol; + pTab->azDflt = azDflt; + pTab->abPK = abPK; + azCol = a; + } + if( pSession->bEnableSize ){ + pSession->nMaxChangesetSize += (nCol - nOldCol); + pSession->nMaxChangesetSize += sessionVarintLen(nCol); + pSession->nMaxChangesetSize -= sessionVarintLen(nOldCol); + } + } + } + + sqlite3_free((char*)azCol); + return pSession->rc; +} + +/* +** Session-change object (*pp) contains an old.* record with fewer than +** nCol fields. This function updates it with the default values for +** the missing fields. +*/ +static void sessionUpdateOneChange( + sqlite3_session *pSession, /* For memory accounting */ + int *pRc, /* IN/OUT: Error code */ + SessionChange **pp, /* IN/OUT: Change object to update */ + int nCol, /* Number of columns now in table */ + sqlite3_stmt *pDflt /* SELECT */ +){ + SessionChange *pOld = *pp; + + while( pOld->nRecordFieldnRecordField; + int eType = sqlite3_column_type(pDflt, iField); + switch( eType ){ + case SQLITE_NULL: + nIncr = 1; + break; + case SQLITE_INTEGER: + case SQLITE_FLOAT: + nIncr = 9; + break; + default: { + int n = sqlite3_column_bytes(pDflt, iField); + nIncr = 1 + sessionVarintLen(n) + n; + assert( eType==SQLITE_TEXT || eType==SQLITE_BLOB ); + break; + } + } + + nByte = nIncr + (sizeof(SessionChange) + pOld->nRecord); + pNew = sessionMalloc64(pSession, nByte); + if( pNew==0 ){ + *pRc = SQLITE_NOMEM; + return; + }else{ + memcpy(pNew, pOld, sizeof(SessionChange)); + pNew->aRecord = (u8*)&pNew[1]; + memcpy(pNew->aRecord, pOld->aRecord, pOld->nRecord); + pNew->aRecord[pNew->nRecord++] = (u8)eType; + switch( eType ){ + case SQLITE_INTEGER: { + i64 iVal = sqlite3_column_int64(pDflt, iField); + sessionPutI64(&pNew->aRecord[pNew->nRecord], iVal); + pNew->nRecord += 8; + break; + } + + case SQLITE_FLOAT: { + double rVal = sqlite3_column_double(pDflt, iField); + i64 iVal = 0; + memcpy(&iVal, &rVal, sizeof(rVal)); + sessionPutI64(&pNew->aRecord[pNew->nRecord], iVal); + pNew->nRecord += 8; + break; + } + + case SQLITE_TEXT: { + int n = sqlite3_column_bytes(pDflt, iField); + const char *z = (const char*)sqlite3_column_text(pDflt, iField); + pNew->nRecord += sessionVarintPut(&pNew->aRecord[pNew->nRecord], n); + memcpy(&pNew->aRecord[pNew->nRecord], z, n); + pNew->nRecord += n; + break; + } + + case SQLITE_BLOB: { + int n = sqlite3_column_bytes(pDflt, iField); + const u8 *z = (const u8*)sqlite3_column_blob(pDflt, iField); + pNew->nRecord += sessionVarintPut(&pNew->aRecord[pNew->nRecord], n); + memcpy(&pNew->aRecord[pNew->nRecord], z, n); + pNew->nRecord += n; + break; + } + + default: + assert( eType==SQLITE_NULL ); + break; + } + + sessionFree(pSession, pOld); + *pp = pOld = pNew; + pNew->nRecordField++; + pNew->nMaxSize += nIncr; + if( pSession ){ + pSession->nMaxChangesetSize += nIncr; + } + } + } +} + +/* +** Ensure that there is room in the buffer to append nByte bytes of data. +** If not, use sqlite3_realloc() to grow the buffer so that there is. +** +** If successful, return zero. Otherwise, if an OOM condition is encountered, +** set *pRc to SQLITE_NOMEM and return non-zero. +*/ +static int sessionBufferGrow(SessionBuffer *p, i64 nByte, int *pRc){ +#define SESSION_MAX_BUFFER_SZ (0x7FFFFF00 - 1) + i64 nReq = p->nBuf + nByte; + if( *pRc==SQLITE_OK && nReq>p->nAlloc ){ + u8 *aNew; + i64 nNew = p->nAlloc ? p->nAlloc : 128; + + do { + nNew = nNew*2; + }while( nNewSESSION_MAX_BUFFER_SZ ){ + nNew = SESSION_MAX_BUFFER_SZ; + if( nNewaBuf, nNew); + if( 0==aNew ){ + *pRc = SQLITE_NOMEM; + }else{ + p->aBuf = aNew; + p->nAlloc = nNew; + } + } + return (*pRc!=SQLITE_OK); +} + + +/* +** This function is a no-op if *pRc is other than SQLITE_OK when it is +** called. Otherwise, append a string to the buffer. All bytes in the string +** up to (but not including) the nul-terminator are written to the buffer. +** +** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before +** returning. +*/ +static void sessionAppendStr( + SessionBuffer *p, + const char *zStr, + int *pRc +){ + int nStr = sqlite3Strlen30(zStr); + if( 0==sessionBufferGrow(p, nStr+1, pRc) ){ + memcpy(&p->aBuf[p->nBuf], zStr, nStr); + p->nBuf += nStr; + p->aBuf[p->nBuf] = 0x00; + } +} + +/* +** Format a string using printf() style formatting and then append it to the +** buffer using sessionAppendString(). +*/ +static void sessionAppendPrintf( + SessionBuffer *p, /* Buffer to append to */ + int *pRc, + const char *zFmt, + ... +){ + if( *pRc==SQLITE_OK ){ + char *zApp = 0; + va_list ap; + va_start(ap, zFmt); + zApp = sqlite3_vmprintf(zFmt, ap); + if( zApp==0 ){ + *pRc = SQLITE_NOMEM; + }else{ + sessionAppendStr(p, zApp, pRc); + } + va_end(ap); + sqlite3_free(zApp); + } +} + +/* +** Prepare a statement against database handle db that SELECTs a single +** row containing the default values for each column in table pTab. For +** example, if pTab is declared as: +** +** CREATE TABLE pTab(a PRIMARY KEY, b DEFAULT 123, c DEFAULT 'abcd'); +** +** Then this function prepares and returns the SQL statement: +** +** SELECT NULL, 123, 'abcd'; +*/ +static int sessionPrepareDfltStmt( + sqlite3 *db, /* Database handle */ + SessionTable *pTab, /* Table to prepare statement for */ + sqlite3_stmt **ppStmt /* OUT: Statement handle */ +){ + SessionBuffer sql = {0,0,0}; + int rc = SQLITE_OK; + const char *zSep = " "; + int ii = 0; + + *ppStmt = 0; + sessionAppendPrintf(&sql, &rc, "SELECT"); + for(ii=0; iinCol; ii++){ + const char *zDflt = pTab->azDflt[ii] ? pTab->azDflt[ii] : "NULL"; + sessionAppendPrintf(&sql, &rc, "%s%s", zSep, zDflt); + zSep = ", "; + } + if( rc==SQLITE_OK ){ + rc = sqlite3_prepare_v2(db, (const char*)sql.aBuf, -1, ppStmt, 0); + } + sqlite3_free(sql.aBuf); + + return rc; +} + +/* +** Table pTab has one or more existing change-records with old.* records +** with fewer than pTab->nCol columns. This function updates all such +** change-records with the default values for the missing columns. +*/ +static int sessionUpdateChanges(sqlite3_session *pSession, SessionTable *pTab){ + sqlite3_stmt *pStmt = 0; + int rc = pSession->rc; + + rc = sessionPrepareDfltStmt(pSession->db, pTab, &pStmt); + if( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){ + int ii = 0; + SessionChange **pp = 0; + for(ii=0; iinChange; ii++){ + for(pp=&pTab->apChange[ii]; *pp; pp=&((*pp)->pNext)){ + if( (*pp)->nRecordField!=pTab->nCol ){ + sessionUpdateOneChange(pSession, &rc, pp, pTab->nCol, pStmt); + } + } + } + } + + pSession->rc = rc; + rc = sqlite3_finalize(pStmt); + if( pSession->rc==SQLITE_OK ) pSession->rc = rc; + return pSession->rc; } /* @@ -217342,6 +224511,7 @@ static int sessionUpdateMaxSize( ){ i64 nNew = 2; if( pC->op==SQLITE_INSERT ){ + if( pTab->bRowid ) nNew += 9; if( op!=SQLITE_DELETE ){ int ii; for(ii=0; iinCol; ii++){ @@ -217358,12 +224528,16 @@ static int sessionUpdateMaxSize( }else{ int ii; u8 *pCsr = pC->aRecord; - for(ii=0; iinCol; ii++){ + if( pTab->bRowid ){ + nNew += 9 + 1; + pCsr += 9; + } + for(ii=pTab->bRowid; iinCol; ii++){ int bChanged = 1; int nOld = 0; int eType; sqlite3_value *p = 0; - pSession->hook.xNew(pSession->hook.pCtx, ii, &p); + pSession->hook.xNew(pSession->hook.pCtx, ii-pTab->bRowid, &p); if( p==0 ){ return SQLITE_NOMEM; } @@ -217442,22 +224616,29 @@ static int sessionUpdateMaxSize( */ static void sessionPreupdateOneChange( int op, /* One of SQLITE_UPDATE, INSERT, DELETE */ + i64 iRowid, sqlite3_session *pSession, /* Session object pTab is attached to */ SessionTable *pTab /* Table that change applies to */ ){ int iHash; int bNull = 0; int rc = SQLITE_OK; + int nExpect = 0; SessionStat1Ctx stat1 = {{0,0,0,0,0},0}; if( pSession->rc ) return; /* Load table details if required */ - if( sessionInitTable(pSession, pTab) ) return; + if( sessionInitTable(pSession, pTab, pSession->db, pSession->zDb) ) return; /* Check the number of columns in this xPreUpdate call matches the ** number of columns in the table. */ - if( pTab->nCol!=pSession->hook.xCount(pSession->hook.pCtx) ){ + nExpect = pSession->hook.xCount(pSession->hook.pCtx); + if( (pTab->nCol-pTab->bRowid)nCol-pTab->bRowid)!=nExpect ){ pSession->rc = SQLITE_SCHEMA; return; } @@ -217490,14 +224671,16 @@ static void sessionPreupdateOneChange( /* Calculate the hash-key for this change. If the primary key of the row ** includes a NULL value, exit early. Such changes are ignored by the ** session module. */ - rc = sessionPreupdateHash(pSession, pTab, op==SQLITE_INSERT, &iHash, &bNull); + rc = sessionPreupdateHash( + pSession, iRowid, pTab, op==SQLITE_INSERT, &iHash, &bNull + ); if( rc!=SQLITE_OK ) goto error_out; if( bNull==0 ){ /* Search the hash table for an existing record for this row. */ SessionChange *pC; for(pC=pTab->apChange[iHash]; pC; pC=pC->pNext){ - if( sessionPreupdateEqual(pSession, pTab, pC, op) ) break; + if( sessionPreupdateEqual(pSession, iRowid, pTab, pC, op) ) break; } if( pC==0 ){ @@ -217512,7 +224695,7 @@ static void sessionPreupdateOneChange( /* Figure out how large an allocation is required */ nByte = sizeof(SessionChange); - for(i=0; inCol; i++){ + for(i=0; i<(pTab->nCol-pTab->bRowid); i++){ sqlite3_value *p = 0; if( op!=SQLITE_INSERT ){ TESTONLY(int trc = ) pSession->hook.xOld(pSession->hook.pCtx, i, &p); @@ -217527,9 +224710,12 @@ static void sessionPreupdateOneChange( rc = sessionSerializeValue(0, p, &nByte); if( rc!=SQLITE_OK ) goto error_out; } + if( pTab->bRowid ){ + nByte += 9; /* Size of rowid field - an integer */ + } /* Allocate the change object */ - pC = (SessionChange *)sessionMalloc64(pSession, nByte); + pC = (SessionChange*)sessionMalloc64(pSession, nByte); if( !pC ){ rc = SQLITE_NOMEM; goto error_out; @@ -217543,7 +224729,12 @@ static void sessionPreupdateOneChange( ** required values and encodings have already been cached in memory. ** It is not possible for an OOM to occur in this block. */ nByte = 0; - for(i=0; inCol; i++){ + if( pTab->bRowid ){ + pC->aRecord[0] = SQLITE_INTEGER; + sessionPutI64(&pC->aRecord[1], iRowid); + nByte = 9; + } + for(i=0; i<(pTab->nCol-pTab->bRowid); i++){ sqlite3_value *p = 0; if( op!=SQLITE_INSERT ){ pSession->hook.xOld(pSession->hook.pCtx, i, &p); @@ -217557,6 +224748,7 @@ static void sessionPreupdateOneChange( if( pSession->bIndirect || pSession->hook.xDepth(pSession->hook.pCtx) ){ pC->bIndirect = 1; } + pC->nRecordField = pTab->nCol; pC->nRecord = nByte; pC->op = op; pC->pNext = pTab->apChange[iHash]; @@ -217658,9 +224850,10 @@ static void xPreUpdate( pSession->rc = sessionFindTable(pSession, zName, &pTab); if( pTab ){ assert( pSession->rc==SQLITE_OK ); - sessionPreupdateOneChange(op, pSession, pTab); + assert( op==SQLITE_UPDATE || iKey1==iKey2 ); + sessionPreupdateOneChange(op, iKey1, pSession, pTab); if( op==SQLITE_UPDATE ){ - sessionPreupdateOneChange(SQLITE_INSERT, pSession, pTab); + sessionPreupdateOneChange(SQLITE_INSERT, iKey2, pSession, pTab); } } } @@ -217699,6 +224892,7 @@ static void sessionPreupdateHooks( typedef struct SessionDiffCtx SessionDiffCtx; struct SessionDiffCtx { sqlite3_stmt *pStmt; + int bRowid; int nOldOff; }; @@ -217707,17 +224901,17 @@ struct SessionDiffCtx { */ static int sessionDiffOld(void *pCtx, int iVal, sqlite3_value **ppVal){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - *ppVal = sqlite3_column_value(p->pStmt, iVal+p->nOldOff); + *ppVal = sqlite3_column_value(p->pStmt, iVal+p->nOldOff+p->bRowid); return SQLITE_OK; } static int sessionDiffNew(void *pCtx, int iVal, sqlite3_value **ppVal){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - *ppVal = sqlite3_column_value(p->pStmt, iVal); + *ppVal = sqlite3_column_value(p->pStmt, iVal+p->bRowid); return SQLITE_OK; } static int sessionDiffCount(void *pCtx){ SessionDiffCtx *p = (SessionDiffCtx*)pCtx; - return p->nOldOff ? p->nOldOff : sqlite3_column_count(p->pStmt); + return (p->nOldOff ? p->nOldOff : sqlite3_column_count(p->pStmt)) - p->bRowid; } static int sessionDiffDepth(void *pCtx){ (void)pCtx; @@ -217796,14 +224990,16 @@ static char *sessionExprCompareOther( static char *sessionSelectFindNew( const char *zDb1, /* Pick rows in this db only */ const char *zDb2, /* But not in this one */ + int bRowid, const char *zTbl, /* Table name */ const char *zExpr ){ + const char *zSel = (bRowid ? SESSIONS_ROWID ", *" : "*"); char *zRet = sqlite3_mprintf( - "SELECT * FROM \"%w\".\"%w\" WHERE NOT EXISTS (" + "SELECT %s FROM \"%w\".\"%w\" WHERE NOT EXISTS (" " SELECT 1 FROM \"%w\".\"%w\" WHERE %s" ")", - zDb1, zTbl, zDb2, zTbl, zExpr + zSel, zDb1, zTbl, zDb2, zTbl, zExpr ); return zRet; } @@ -217817,7 +225013,9 @@ static int sessionDiffFindNew( char *zExpr ){ int rc = SQLITE_OK; - char *zStmt = sessionSelectFindNew(zDb1, zDb2, pTab->zName,zExpr); + char *zStmt = sessionSelectFindNew( + zDb1, zDb2, pTab->bRowid, pTab->zName, zExpr + ); if( zStmt==0 ){ rc = SQLITE_NOMEM; @@ -217828,8 +225026,10 @@ static int sessionDiffFindNew( SessionDiffCtx *pDiffCtx = (SessionDiffCtx*)pSession->hook.pCtx; pDiffCtx->pStmt = pStmt; pDiffCtx->nOldOff = 0; + pDiffCtx->bRowid = pTab->bRowid; while( SQLITE_ROW==sqlite3_step(pStmt) ){ - sessionPreupdateOneChange(op, pSession, pTab); + i64 iRowid = (pTab->bRowid ? sqlite3_column_int64(pStmt, 0) : 0); + sessionPreupdateOneChange(op, iRowid, pSession, pTab); } rc = sqlite3_finalize(pStmt); } @@ -217839,6 +225039,27 @@ static int sessionDiffFindNew( return rc; } +/* +** Return a comma-separated list of the fully-qualified (with both database +** and table name) column names from table pTab. e.g. +** +** "main"."t1"."a", "main"."t1"."b", "main"."t1"."c" +*/ +static char *sessionAllCols( + const char *zDb, + SessionTable *pTab +){ + int ii; + char *zRet = 0; + for(ii=0; iinCol; ii++){ + zRet = sqlite3_mprintf("%z%s\"%w\".\"%w\".\"%w\"", + zRet, (zRet ? ", " : ""), zDb, pTab->zName, pTab->azCol[ii] + ); + if( !zRet ) break; + } + return zRet; +} + static int sessionDiffFindModified( sqlite3_session *pSession, SessionTable *pTab, @@ -217853,11 +225074,13 @@ static int sessionDiffFindModified( if( zExpr2==0 ){ rc = SQLITE_NOMEM; }else{ + char *z1 = sessionAllCols(pSession->zDb, pTab); + char *z2 = sessionAllCols(zFrom, pTab); char *zStmt = sqlite3_mprintf( - "SELECT * FROM \"%w\".\"%w\", \"%w\".\"%w\" WHERE %s AND (%z)", - pSession->zDb, pTab->zName, zFrom, pTab->zName, zExpr, zExpr2 + "SELECT %s,%s FROM \"%w\".\"%w\", \"%w\".\"%w\" WHERE %s AND (%z)", + z1, z2, pSession->zDb, pTab->zName, zFrom, pTab->zName, zExpr, zExpr2 ); - if( zStmt==0 ){ + if( zStmt==0 || z1==0 || z2==0 ){ rc = SQLITE_NOMEM; }else{ sqlite3_stmt *pStmt; @@ -217868,12 +225091,15 @@ static int sessionDiffFindModified( pDiffCtx->pStmt = pStmt; pDiffCtx->nOldOff = pTab->nCol; while( SQLITE_ROW==sqlite3_step(pStmt) ){ - sessionPreupdateOneChange(SQLITE_UPDATE, pSession, pTab); + i64 iRowid = (pTab->bRowid ? sqlite3_column_int64(pStmt, 0) : 0); + sessionPreupdateOneChange(SQLITE_UPDATE, iRowid, pSession, pTab); } rc = sqlite3_finalize(pStmt); } - sqlite3_free(zStmt); } + sqlite3_free(zStmt); + sqlite3_free(z1); + sqlite3_free(z2); } return rc; @@ -217902,7 +225128,7 @@ SQLITE_API int sqlite3session_diff( /* Locate and if necessary initialize the target table object */ rc = sessionFindTable(pSession, zTbl, &pTo); if( pTo==0 ) goto diff_out; - if( sessionInitTable(pSession, pTo) ){ + if( sessionInitTable(pSession, pTo, pSession->db, pSession->zDb) ){ rc = pSession->rc; goto diff_out; } @@ -217912,9 +225138,12 @@ SQLITE_API int sqlite3session_diff( int bHasPk = 0; int bMismatch = 0; int nCol; /* Columns in zFrom.zTbl */ + int bRowid = 0; u8 *abPK; const char **azCol = 0; - rc = sessionTableInfo(0, db, zFrom, zTbl, &nCol, 0, &azCol, &abPK); + rc = sessionTableInfo(0, db, zFrom, zTbl, &nCol, 0, &azCol, 0, &abPK, + pSession->bImplicitPK ? &bRowid : 0 + ); if( rc==SQLITE_OK ){ if( pTo->nCol!=nCol ){ bMismatch = 1; @@ -218027,6 +225256,7 @@ static void sessionDeleteTable(sqlite3_session *pSession, SessionTable *pList){ sessionFree(pSession, p); } } + sqlite3_finalize(pTab->pDfltStmt); sessionFree(pSession, (char*)pTab->azCol); /* cast works around VC++ bug */ sessionFree(pSession, pTab->apChange); sessionFree(pSession, pTab); @@ -218059,9 +225289,7 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession){ ** associated hash-tables. */ sessionDeleteTable(pSession, pSession->pTable); - /* Assert that all allocations have been freed and then free the - ** session object itself. */ - assert( pSession->nMalloc==0 ); + /* Free the session object. */ sqlite3_free(pSession); } @@ -218132,48 +225360,6 @@ SQLITE_API int sqlite3session_attach( return rc; } -/* -** Ensure that there is room in the buffer to append nByte bytes of data. -** If not, use sqlite3_realloc() to grow the buffer so that there is. -** -** If successful, return zero. Otherwise, if an OOM condition is encountered, -** set *pRc to SQLITE_NOMEM and return non-zero. -*/ -static int sessionBufferGrow(SessionBuffer *p, i64 nByte, int *pRc){ -#define SESSION_MAX_BUFFER_SZ (0x7FFFFF00 - 1) - i64 nReq = p->nBuf + nByte; - if( *pRc==SQLITE_OK && nReq>p->nAlloc ){ - u8 *aNew; - i64 nNew = p->nAlloc ? p->nAlloc : 128; - - do { - nNew = nNew*2; - }while( nNewSESSION_MAX_BUFFER_SZ ){ - nNew = SESSION_MAX_BUFFER_SZ; - if( nNewaBuf, nNew); - if( 0==aNew ){ - *pRc = SQLITE_NOMEM; - }else{ - p->aBuf = aNew; - p->nAlloc = nNew; - } - } - return (*pRc!=SQLITE_OK); -} - /* ** Append the value passed as the second argument to the buffer passed ** as the first. @@ -218242,26 +225428,6 @@ static void sessionAppendBlob( } } -/* -** This function is a no-op if *pRc is other than SQLITE_OK when it is -** called. Otherwise, append a string to the buffer. All bytes in the string -** up to (but not including) the nul-terminator are written to the buffer. -** -** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before -** returning. -*/ -static void sessionAppendStr( - SessionBuffer *p, - const char *zStr, - int *pRc -){ - int nStr = sqlite3Strlen30(zStr); - if( 0==sessionBufferGrow(p, nStr, pRc) ){ - memcpy(&p->aBuf[p->nBuf], zStr, nStr); - p->nBuf += nStr; - } -} - /* ** This function is a no-op if *pRc is other than SQLITE_OK when it is ** called. Otherwise, append the string representation of integer iVal @@ -218294,7 +225460,7 @@ static void sessionAppendIdent( const char *zStr, /* String to quote, escape and append */ int *pRc /* IN/OUT: Error code */ ){ - int nStr = sqlite3Strlen30(zStr)*2 + 2 + 1; + int nStr = sqlite3Strlen30(zStr)*2 + 2 + 2; if( 0==sessionBufferGrow(p, nStr, pRc) ){ char *zOut = (char *)&p->aBuf[p->nBuf]; const char *zIn = zStr; @@ -218305,6 +225471,7 @@ static void sessionAppendIdent( } *zOut++ = '"'; p->nBuf = (int)((u8 *)zOut - p->aBuf); + p->aBuf[p->nBuf] = 0x00; } } @@ -218440,7 +225607,7 @@ static int sessionAppendUpdate( /* If at least one field has been modified, this is not a no-op. */ if( bChanged ) bNoop = 0; - /* Add a field to the old.* record. This is omitted if this modules is + /* Add a field to the old.* record. This is omitted if this module is ** currently generating a patchset. */ if( bPatchset==0 ){ if( bChanged || abPK[i] ){ @@ -218529,12 +225696,20 @@ static int sessionAppendDelete( ** Formulate and prepare a SELECT statement to retrieve a row from table ** zTab in database zDb based on its primary key. i.e. ** -** SELECT * FROM zDb.zTab WHERE pk1 = ? AND pk2 = ? AND ... +** SELECT *, FROM zDb.zTab WHERE (pk1, pk2,...) IS (?1, ?2,...) +** +** where is: +** +** 1 AND (?A OR ?1 IS ) AND ... +** +** for each non-pk . */ static int sessionSelectStmt( sqlite3 *db, /* Database handle */ + int bIgnoreNoop, const char *zDb, /* Database name */ const char *zTab, /* Table name */ + int bRowid, int nCol, /* Number of columns in table */ const char **azCol, /* Names of table columns */ u8 *abPK, /* PRIMARY KEY array */ @@ -218542,8 +225717,50 @@ static int sessionSelectStmt( ){ int rc = SQLITE_OK; char *zSql = 0; + const char *zSep = ""; + const char *zCols = bRowid ? SESSIONS_ROWID ", *" : "*"; int nSql = -1; + int i; + SessionBuffer nooptest = {0, 0, 0}; + SessionBuffer pkfield = {0, 0, 0}; + SessionBuffer pkvar = {0, 0, 0}; + + sessionAppendStr(&nooptest, ", 1", &rc); + + if( 0==sqlite3_stricmp("sqlite_stat1", zTab) ){ + sessionAppendStr(&nooptest, " AND (?6 OR ?3 IS stat)", &rc); + sessionAppendStr(&pkfield, "tbl, idx", &rc); + sessionAppendStr(&pkvar, + "?1, (CASE WHEN ?2=X'' THEN NULL ELSE ?2 END)", &rc + ); + zCols = "tbl, ?2, stat"; + }else{ + for(i=0; ipTable; rc==SQLITE_OK && pTab; pTab=pTab->pNext){ if( pTab->nEntry ){ const char *zName = pTab->zName; - int nCol = 0; /* Number of columns in table */ - u8 *abPK = 0; /* Primary key array */ - const char **azCol = 0; /* Table columns */ int i; /* Used to iterate through hash buckets */ sqlite3_stmt *pSel = 0; /* SELECT statement to query table pTab */ int nRewind = buf.nBuf; /* Initial size of write buffer */ int nNoop; /* Size of buffer after writing tbl header */ + int nOldCol = pTab->nCol; /* Check the table schema is still Ok. */ - rc = sessionTableInfo(0, db, pSession->zDb, zName, &nCol, 0,&azCol,&abPK); - if( !rc && (pTab->nCol!=nCol || memcmp(abPK, pTab->abPK, nCol)) ){ - rc = SQLITE_SCHEMA; + rc = sessionReinitTable(pSession, pTab); + if( rc==SQLITE_OK && pTab->nCol!=nOldCol ){ + rc = sessionUpdateChanges(pSession, pTab); } /* Write a table header */ @@ -218735,8 +225953,9 @@ static int sessionGenerateChangeset( /* Build and compile a statement to execute: */ if( rc==SQLITE_OK ){ - rc = sessionSelectStmt( - db, pSession->zDb, zName, nCol, azCol, abPK, &pSel); + rc = sessionSelectStmt(db, 0, pSession->zDb, + zName, pTab->bRowid, pTab->nCol, pTab->azCol, pTab->abPK, &pSel + ); } nNoop = buf.nBuf; @@ -218744,22 +225963,22 @@ static int sessionGenerateChangeset( SessionChange *p; /* Used to iterate through changes */ for(p=pTab->apChange[i]; rc==SQLITE_OK && p; p=p->pNext){ - rc = sessionSelectBind(pSel, nCol, abPK, p); + rc = sessionSelectBind(pSel, pTab->nCol, pTab->abPK, p); if( rc!=SQLITE_OK ) continue; if( sqlite3_step(pSel)==SQLITE_ROW ){ if( p->op==SQLITE_INSERT ){ int iCol; sessionAppendByte(&buf, SQLITE_INSERT, &rc); sessionAppendByte(&buf, p->bIndirect, &rc); - for(iCol=0; iColnCol; iCol++){ sessionAppendCol(&buf, pSel, iCol, &rc); } }else{ - assert( abPK!=0 ); /* Because sessionSelectStmt() returned ok */ - rc = sessionAppendUpdate(&buf, bPatchset, pSel, p, abPK); + assert( pTab->abPK!=0 ); + rc = sessionAppendUpdate(&buf, bPatchset, pSel, p, pTab->abPK); } }else if( p->op!=SQLITE_INSERT ){ - rc = sessionAppendDelete(&buf, bPatchset, p, nCol, abPK); + rc = sessionAppendDelete(&buf, bPatchset, p, pTab->nCol,pTab->abPK); } if( rc==SQLITE_OK ){ rc = sqlite3_reset(pSel); @@ -218784,7 +226003,6 @@ static int sessionGenerateChangeset( if( buf.nBuf==nNoop ){ buf.nBuf = nRewind; } - sqlite3_free((char*)azCol); /* cast works around VC++ bug */ } } @@ -218819,7 +226037,7 @@ SQLITE_API int sqlite3session_changeset( int rc; if( pnChangeset==0 || ppChangeset==0 ) return SQLITE_MISUSE; - rc = sessionGenerateChangeset(pSession, 0, 0, 0, pnChangeset,ppChangeset); + rc = sessionGenerateChangeset(pSession, 0, 0, 0, pnChangeset, ppChangeset); assert( rc || pnChangeset==0 || pSession->bEnableSize==0 || *pnChangeset<=pSession->nMaxChangesetSize ); @@ -218937,6 +226155,19 @@ SQLITE_API int sqlite3session_object_config(sqlite3_session *pSession, int op, v break; } + case SQLITE_SESSION_OBJCONFIG_ROWID: { + int iArg = *(int*)pArg; + if( iArg>=0 ){ + if( pSession->pTable ){ + rc = SQLITE_MISUSE; + }else{ + pSession->bImplicitPK = (iArg!=0); + } + } + *(int*)pArg = pSession->bImplicitPK; + break; + } + default: rc = SQLITE_MISUSE; } @@ -219195,15 +226426,19 @@ static int sessionReadRecord( } } if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ - sqlite3_int64 v = sessionGetI64(aVal); - if( eType==SQLITE_INTEGER ){ - sqlite3VdbeMemSetInt64(apOut[i], v); + if( (pIn->nData-pIn->iNext)<8 ){ + rc = SQLITE_CORRUPT_BKPT; }else{ - double d; - memcpy(&d, &v, 8); - sqlite3VdbeMemSetDouble(apOut[i], d); + sqlite3_int64 v = sessionGetI64(aVal); + if( eType==SQLITE_INTEGER ){ + sqlite3VdbeMemSetInt64(apOut[i], v); + }else{ + double d; + memcpy(&d, &v, 8); + sqlite3VdbeMemSetDouble(apOut[i], d); + } + pIn->iNext += 8; } - pIn->iNext += 8; } } } @@ -219925,6 +227160,8 @@ struct SessionApplyCtx { SessionBuffer rebase; /* Rebase information (if any) here */ u8 bRebaseStarted; /* If table header is already in rebase */ u8 bRebase; /* True to collect rebase information */ + u8 bIgnoreNoop; /* True to ignore no-op conflicts */ + int bRowid; }; /* Number of prepared UPDATE statements to cache. */ @@ -220175,8 +227412,10 @@ static int sessionSelectRow( const char *zTab, /* Table name */ SessionApplyCtx *p /* Session changeset-apply context */ ){ - return sessionSelectStmt( - db, "main", zTab, p->nCol, p->azCol, p->abPK, &p->pSelect); + /* TODO */ + return sessionSelectStmt(db, p->bIgnoreNoop, + "main", zTab, p->bRowid, p->nCol, p->azCol, p->abPK, &p->pSelect + ); } /* @@ -220335,20 +227574,33 @@ static int sessionBindRow( */ static int sessionSeekToRow( sqlite3_changeset_iter *pIter, /* Changeset iterator */ - u8 *abPK, /* Primary key flags array */ - sqlite3_stmt *pSelect /* SELECT statement from sessionSelectRow() */ + SessionApplyCtx *p ){ + sqlite3_stmt *pSelect = p->pSelect; int rc; /* Return code */ int nCol; /* Number of columns in table */ int op; /* Changset operation (SQLITE_UPDATE etc.) */ const char *zDummy; /* Unused */ + sqlite3_clear_bindings(pSelect); sqlite3changeset_op(pIter, &zDummy, &nCol, &op, 0); rc = sessionBindRow(pIter, op==SQLITE_INSERT ? sqlite3changeset_new : sqlite3changeset_old, - nCol, abPK, pSelect + nCol, p->abPK, pSelect ); + if( op!=SQLITE_DELETE && p->bIgnoreNoop ){ + int ii; + for(ii=0; rc==SQLITE_OK && iiabPK[ii]==0 ){ + sqlite3_value *pVal = 0; + sqlite3changeset_new(pIter, ii, &pVal); + sqlite3_bind_int(pSelect, ii+1+nCol, (pVal==0)); + if( pVal ) rc = sessionBindValue(pSelect, ii+1, pVal); + } + } + } + if( rc==SQLITE_OK ){ rc = sqlite3_step(pSelect); if( rc!=SQLITE_ROW ) rc = sqlite3_reset(pSelect); @@ -220463,16 +227715,22 @@ static int sessionConflictHandler( /* Bind the new.* PRIMARY KEY values to the SELECT statement. */ if( pbReplace ){ - rc = sessionSeekToRow(pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p); }else{ rc = SQLITE_OK; } if( rc==SQLITE_ROW ){ /* There exists another row with the new.* primary key. */ - pIter->pConflict = p->pSelect; - res = xConflict(pCtx, eType, pIter); - pIter->pConflict = 0; + if( p->bIgnoreNoop + && sqlite3_column_int(p->pSelect, sqlite3_column_count(p->pSelect)-1) + ){ + res = SQLITE_CHANGESET_OMIT; + }else{ + pIter->pConflict = p->pSelect; + res = xConflict(pCtx, eType, pIter); + pIter->pConflict = 0; + } rc = sqlite3_reset(p->pSelect); }else if( rc==SQLITE_OK ){ if( p->bDeferConstraints && eType==SQLITE_CHANGESET_CONFLICT ){ @@ -220580,7 +227838,7 @@ static int sessionApplyOneOp( sqlite3_step(p->pDelete); rc = sqlite3_reset(p->pDelete); - if( rc==SQLITE_OK && sqlite3_changes(p->db)==0 ){ + if( rc==SQLITE_OK && sqlite3_changes(p->db)==0 && p->bIgnoreNoop==0 ){ rc = sessionConflictHandler( SQLITE_CHANGESET_DATA, p, pIter, xConflict, pCtx, pbRetry ); @@ -220637,7 +227895,7 @@ static int sessionApplyOneOp( /* Check if there is a conflicting row. For sqlite_stat1, this needs ** to be done using a SELECT, as there is no PRIMARY KEY in the ** database schema to throw an exception if a duplicate is inserted. */ - rc = sessionSeekToRow(pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p); if( rc==SQLITE_ROW ){ rc = SQLITE_CONSTRAINT; sqlite3_reset(p->pSelect); @@ -220814,6 +228072,7 @@ static int sessionChangesetApply( memset(&sApply, 0, sizeof(sApply)); sApply.bRebase = (ppRebase && pnRebase); sApply.bInvertConstraints = !!(flags & SQLITE_CHANGESETAPPLY_INVERT); + sApply.bIgnoreNoop = !!(flags & SQLITE_CHANGESETAPPLY_IGNORENOOP); sqlite3_mutex_enter(sqlite3_db_mutex(db)); if( (flags & SQLITE_CHANGESETAPPLY_NOSAVEPOINT)==0 ){ rc = sqlite3_exec(db, "SAVEPOINT changeset_apply", 0, 0, 0); @@ -220851,6 +228110,7 @@ static int sessionChangesetApply( sApply.bStat1 = 0; sApply.bDeferConstraints = 1; sApply.bRebaseStarted = 0; + sApply.bRowid = 0; memset(&sApply.constraints, 0, sizeof(SessionBuffer)); /* If an xFilter() callback was specified, invoke it now. If the @@ -220870,8 +228130,8 @@ static int sessionChangesetApply( int i; sqlite3changeset_pk(pIter, &abPK, 0); - rc = sessionTableInfo(0, - db, "main", zNew, &sApply.nCol, &zTab, &sApply.azCol, &sApply.abPK + rc = sessionTableInfo(0, db, "main", zNew, + &sApply.nCol, &zTab, &sApply.azCol, 0, &sApply.abPK, &sApply.bRowid ); if( rc!=SQLITE_OK ) break; for(i=0; iflags & SQLITE_FkNoAction; + + if( flags & SQLITE_CHANGESETAPPLY_FKNOACTION ){ + db->flags |= ((u64)SQLITE_FkNoAction); + db->aDb[0].pSchema->schema_cookie -= 32; + } + if( rc==SQLITE_OK ){ rc = sessionChangesetApply( db, pIter, xFilter, xConflict, pCtx, ppRebase, pnRebase, flags ); } + + if( (flags & SQLITE_CHANGESETAPPLY_FKNOACTION) && savedFlag==0 ){ + assert( db->flags & SQLITE_FkNoAction ); + db->flags &= ~((u64)SQLITE_FkNoAction); + db->aDb[0].pSchema->schema_cookie -= 32; + } return rc; } @@ -221095,6 +228368,9 @@ struct sqlite3_changegroup { int rc; /* Error code */ int bPatch; /* True to accumulate patchsets */ SessionTable *pList; /* List of tables in current patch */ + + sqlite3 *db; /* Configured by changegroup_schema() */ + char *zDb; /* Configured by changegroup_schema() */ }; /* @@ -221115,6 +228391,7 @@ static int sessionChangeMerge( ){ SessionChange *pNew = 0; int rc = SQLITE_OK; + assert( aRec!=0 ); if( !pExist ){ pNew = (SessionChange *)sqlite3_malloc64(sizeof(SessionChange) + nRec); @@ -221280,6 +228557,114 @@ static int sessionChangeMerge( return rc; } +/* +** Check if a changeset entry with nCol columns and the PK array passed +** as the final argument to this function is compatible with SessionTable +** pTab. If so, return 1. Otherwise, if they are incompatible in some way, +** return 0. +*/ +static int sessionChangesetCheckCompat( + SessionTable *pTab, + int nCol, + u8 *abPK +){ + if( pTab->azCol && nColnCol ){ + int ii; + for(ii=0; iinCol; ii++){ + u8 bPK = (ii < nCol) ? abPK[ii] : 0; + if( pTab->abPK[ii]!=bPK ) return 0; + } + return 1; + } + return (pTab->nCol==nCol && 0==memcmp(abPK, pTab->abPK, nCol)); +} + +static int sessionChangesetExtendRecord( + sqlite3_changegroup *pGrp, + SessionTable *pTab, + int nCol, + int op, + const u8 *aRec, + int nRec, + SessionBuffer *pOut +){ + int rc = SQLITE_OK; + int ii = 0; + + assert( pTab->azCol ); + assert( nColnCol ); + + pOut->nBuf = 0; + if( op==SQLITE_INSERT || (op==SQLITE_DELETE && pGrp->bPatch==0) ){ + /* Append the missing default column values to the record. */ + sessionAppendBlob(pOut, aRec, nRec, &rc); + if( rc==SQLITE_OK && pTab->pDfltStmt==0 ){ + rc = sessionPrepareDfltStmt(pGrp->db, pTab, &pTab->pDfltStmt); + } + for(ii=nCol; rc==SQLITE_OK && iinCol; ii++){ + int eType = sqlite3_column_type(pTab->pDfltStmt, ii); + sessionAppendByte(pOut, eType, &rc); + switch( eType ){ + case SQLITE_FLOAT: + case SQLITE_INTEGER: { + i64 iVal; + if( eType==SQLITE_INTEGER ){ + iVal = sqlite3_column_int64(pTab->pDfltStmt, ii); + }else{ + double rVal = sqlite3_column_int64(pTab->pDfltStmt, ii); + memcpy(&iVal, &rVal, sizeof(i64)); + } + if( SQLITE_OK==sessionBufferGrow(pOut, 8, &rc) ){ + sessionPutI64(&pOut->aBuf[pOut->nBuf], iVal); + } + break; + } + + case SQLITE_BLOB: + case SQLITE_TEXT: { + int n = sqlite3_column_bytes(pTab->pDfltStmt, ii); + sessionAppendVarint(pOut, n, &rc); + if( eType==SQLITE_TEXT ){ + const u8 *z = (const u8*)sqlite3_column_text(pTab->pDfltStmt, ii); + sessionAppendBlob(pOut, z, n, &rc); + }else{ + const u8 *z = (const u8*)sqlite3_column_blob(pTab->pDfltStmt, ii); + sessionAppendBlob(pOut, z, n, &rc); + } + break; + } + + default: + assert( eType==SQLITE_NULL ); + break; + } + } + }else if( op==SQLITE_UPDATE ){ + /* Append missing "undefined" entries to the old.* record. And, if this + ** is an UPDATE, to the new.* record as well. */ + int iOff = 0; + if( pGrp->bPatch==0 ){ + for(ii=0; iinCol-nCol); ii++){ + sessionAppendByte(pOut, 0x00, &rc); + } + } + + sessionAppendBlob(pOut, &aRec[iOff], nRec-iOff, &rc); + for(ii=0; ii<(pTab->nCol-nCol); ii++){ + sessionAppendByte(pOut, 0x00, &rc); + } + }else{ + assert( op==SQLITE_DELETE && pGrp->bPatch ); + sessionAppendBlob(pOut, aRec, nRec, &rc); + } + + return rc; +} + /* ** Add all changes in the changeset traversed by the iterator passed as ** the first argument to the changegroup hash tables. @@ -221293,6 +228678,7 @@ static int sessionChangesetToHash( int nRec; int rc = SQLITE_OK; SessionTable *pTab = 0; + SessionBuffer rec = {0, 0, 0}; while( SQLITE_ROW==sessionChangesetNext(pIter, &aRec, &nRec, 0) ){ const char *zNew; @@ -221304,6 +228690,9 @@ static int sessionChangesetToHash( SessionChange *pExist = 0; SessionChange **pp; + /* Ensure that only changesets, or only patchsets, but not a mixture + ** of both, are being combined. It is an error to try to combine a + ** changeset and a patchset. */ if( pGrp->pList==0 ){ pGrp->bPatch = pIter->bPatchset; }else if( pIter->bPatchset!=pGrp->bPatch ){ @@ -221336,18 +228725,38 @@ static int sessionChangesetToHash( pTab->zName = (char*)&pTab->abPK[nCol]; memcpy(pTab->zName, zNew, nNew+1); + if( pGrp->db ){ + pTab->nCol = 0; + rc = sessionInitTable(0, pTab, pGrp->db, pGrp->zDb); + if( rc ){ + assert( pTab->azCol==0 ); + sqlite3_free(pTab); + break; + } + } + /* The new object must be linked on to the end of the list, not ** simply added to the start of it. This is to ensure that the ** tables within the output of sqlite3changegroup_output() are in ** the right order. */ for(ppTab=&pGrp->pList; *ppTab; ppTab=&(*ppTab)->pNext); *ppTab = pTab; - }else if( pTab->nCol!=nCol || memcmp(pTab->abPK, abPK, nCol) ){ + } + + if( !sessionChangesetCheckCompat(pTab, nCol, abPK) ){ rc = SQLITE_SCHEMA; break; } } + if( nColnCol ){ + assert( pGrp->db ); + rc = sessionChangesetExtendRecord(pGrp, pTab, nCol, op, aRec, nRec, &rec); + if( rc ) break; + aRec = rec.aBuf; + nRec = rec.nBuf; + } + if( sessionGrowHash(0, pIter->bPatchset, pTab) ){ rc = SQLITE_NOMEM; break; @@ -221385,6 +228794,7 @@ static int sessionChangesetToHash( } } + sqlite3_free(rec.aBuf); if( rc==SQLITE_OK ) rc = pIter->rc; return rc; } @@ -221471,6 +228881,31 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp){ return rc; } +/* +** Provide a database schema to the changegroup object. +*/ +SQLITE_API int sqlite3changegroup_schema( + sqlite3_changegroup *pGrp, + sqlite3 *db, + const char *zDb +){ + int rc = SQLITE_OK; + + if( pGrp->pList || pGrp->db ){ + /* Cannot add a schema after one or more calls to sqlite3changegroup_add(), + ** or after sqlite3changegroup_schema() has already been called. */ + rc = SQLITE_MISUSE; + }else{ + pGrp->zDb = sqlite3_mprintf("%s", zDb); + if( pGrp->zDb==0 ){ + rc = SQLITE_NOMEM; + }else{ + pGrp->db = db; + } + } + return rc; +} + /* ** Add the changeset currently stored in buffer pData, size nData bytes, ** to changeset-group p. @@ -221534,6 +228969,7 @@ SQLITE_API int sqlite3changegroup_output_strm( */ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup *pGrp){ if( pGrp ){ + sqlite3_free(pGrp->zDb); sessionDeleteTable(0, pGrp->pList); sqlite3_free(pGrp); } @@ -222066,8 +229502,11 @@ struct Fts5PhraseIter { ** created with the "columnsize=0" option. ** ** xColumnText: -** This function attempts to retrieve the text of column iCol of the -** current document. If successful, (*pz) is set to point to a buffer +** If parameter iCol is less than zero, or greater than or equal to the +** number of columns in the table, SQLITE_RANGE is returned. +** +** Otherwise, this function attempts to retrieve the text of column iCol of +** the current document. If successful, (*pz) is set to point to a buffer ** containing the text in utf-8 encoding, (*pn) is set to the size in bytes ** (not characters) of the buffer and SQLITE_OK is returned. Otherwise, ** if an error occurs, an SQLite error code is returned and the final values @@ -222077,8 +229516,10 @@ struct Fts5PhraseIter { ** Returns the number of phrases in the current query expression. ** ** xPhraseSize: -** Returns the number of tokens in phrase iPhrase of the query. Phrases -** are numbered starting from zero. +** If parameter iCol is less than zero, or greater than or equal to the +** number of phrases in the current query, as returned by xPhraseCount, +** 0 is returned. Otherwise, this function returns the number of tokens in +** phrase iPhrase of the query. Phrases are numbered starting from zero. ** ** xInstCount: ** Set *pnInst to the total number of occurrences of all phrases within @@ -222094,12 +229535,13 @@ struct Fts5PhraseIter { ** Query for the details of phrase match iIdx within the current row. ** Phrase matches are numbered starting from zero, so the iIdx argument ** should be greater than or equal to zero and smaller than the value -** output by xInstCount(). +** output by xInstCount(). If iIdx is less than zero or greater than +** or equal to the value returned by xInstCount(), SQLITE_RANGE is returned. ** -** Usually, output parameter *piPhrase is set to the phrase number, *piCol +** Otherwise, output parameter *piPhrase is set to the phrase number, *piCol ** to the column in which it occurs and *piOff the token offset of the -** first token of the phrase. Returns SQLITE_OK if successful, or an error -** code (i.e. SQLITE_NOMEM) if an error occurs. +** first token of the phrase. SQLITE_OK is returned if successful, or an +** error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the ** "detail=none" or "detail=column" option. @@ -222125,6 +229567,10 @@ struct Fts5PhraseIter { ** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** +** If parameter iPhrase is less than zero, or greater than or equal to +** the number of phrases in the query, as returned by xPhraseCount(), +** this function returns SQLITE_RANGE. +** ** If the callback function returns any value other than SQLITE_OK, the ** query is abandoned and the xQueryPhrase function returns immediately. ** If the returned value is SQLITE_DONE, xQueryPhrase returns SQLITE_OK. @@ -222239,6 +229685,39 @@ struct Fts5PhraseIter { ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. +** +** xQueryToken(pFts5, iPhrase, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase iPhrase of the current +** query. Before returning, output parameter *ppToken is set to point +** to a buffer containing the requested token, and *pnToken to the +** size of this buffer in bytes. +** +** If iPhrase or iToken are less than zero, or if iPhrase is greater than +** or equal to the number of phrases in the query as reported by +** xPhraseCount(), or if iToken is equal to or greater than the number of +** tokens in the phrase, SQLITE_RANGE is returned and *ppToken and *pnToken + are both zeroed. +** +** The output text is not a copy of the query text that specified the +** token. It is the output of the tokenizer module. For tokendata=1 +** tables, this includes any embedded 0x00 and trailing data. +** +** xInstToken(pFts5, iIdx, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase hit iIdx within the +** current row. If iIdx is less than zero or greater than or equal to the +** value returned by xInstCount(), SQLITE_RANGE is returned. Otherwise, +** output variable (*ppToken) is set to point to a buffer containing the +** matching document token, and (*pnToken) to the size of that buffer in +** bytes. This API is not available if the specified token matches a +** prefix query term. In that case both output variables are always set +** to 0. +** +** The output text is not a copy of the document text that was tokenized. +** It is the output of the tokenizer module. For tokendata=1 tables, this +** includes any embedded 0x00 and trailing data. +** +** This API can be quite slow if used with an FTS5 table created with the +** "detail=none" or "detail=column" option. */ struct Fts5ExtensionApi { int iVersion; /* Currently always set to 3 */ @@ -222276,6 +229755,13 @@ struct Fts5ExtensionApi { int (*xPhraseFirstColumn)(Fts5Context*, int iPhrase, Fts5PhraseIter*, int*); void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); + + /* Below this point are iVersion>=3 only */ + int (*xQueryToken)(Fts5Context*, + int iPhrase, int iToken, + const char **ppToken, int *pnToken + ); + int (*xInstToken)(Fts5Context*, int iIdx, int iToken, const char**, int*); }; /* @@ -222470,8 +229956,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -222519,7 +230005,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -222528,7 +230014,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -222536,7 +230022,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -222708,6 +230194,10 @@ typedef struct Fts5Config Fts5Config; ** attempt to merge together. A value of 1 sets the object to use the ** compile time default. Zero disables auto-merge altogether. ** +** bContentlessDelete: +** True if the contentless_delete option was present in the CREATE +** VIRTUAL TABLE statement. +** ** zContent: ** ** zContentRowid: @@ -222742,9 +230232,11 @@ struct Fts5Config { int nPrefix; /* Number of prefix indexes */ int *aPrefix; /* Sizes in bytes of nPrefix prefix indexes */ int eContent; /* An FTS5_CONTENT value */ + int bContentlessDelete; /* "contentless_delete=" option (dflt==0) */ char *zContent; /* content table */ char *zContentRowid; /* "content_rowid=" option value */ int bColumnsize; /* "columnsize=" option value (dflt==1) */ + int bTokendata; /* "tokendata=" option value (dflt==0) */ int eDetail; /* FTS5_DETAIL_XXX value */ char *zContentExprlist; Fts5Tokenizer *pTok; @@ -222753,6 +230245,7 @@ struct Fts5Config { int ePattern; /* FTS_PATTERN_XXX constant */ /* Values loaded from the %_config table */ + int iVersion; /* fts5 file format 'version' */ int iCookie; /* Incremented when %_config is modified */ int pgsz; /* Approximate page size used in %_data */ int nAutomerge; /* 'automerge' setting */ @@ -222761,6 +230254,8 @@ struct Fts5Config { int nHashSize; /* Bytes of memory for in-memory hash */ char *zRank; /* Name of rank function */ char *zRankArgs; /* Arguments to rank function */ + int bSecureDelete; /* 'secure-delete' */ + int nDeleteMerge; /* 'deletemerge' */ /* If non-NULL, points to sqlite3_vtab.base.zErrmsg. Often NULL. */ char **pzErrmsg; @@ -222770,8 +230265,11 @@ struct Fts5Config { #endif }; -/* Current expected value of %_config table 'version' field */ -#define FTS5_CURRENT_VERSION 4 +/* Current expected value of %_config table 'version' field. And +** the expected version if the 'secure-delete' option has ever been +** set on the table. */ +#define FTS5_CURRENT_VERSION 4 +#define FTS5_CURRENT_VERSION_SECUREDELETE 5 #define FTS5_CONTENT_NORMAL 0 #define FTS5_CONTENT_NONE 1 @@ -222927,16 +230425,19 @@ struct Fts5IndexIter { /* ** Values used as part of the flags argument passed to IndexQuery(). */ -#define FTS5INDEX_QUERY_PREFIX 0x0001 /* Prefix query */ -#define FTS5INDEX_QUERY_DESC 0x0002 /* Docs in descending rowid order */ -#define FTS5INDEX_QUERY_TEST_NOIDX 0x0004 /* Do not use prefix index */ -#define FTS5INDEX_QUERY_SCAN 0x0008 /* Scan query (fts5vocab) */ +#define FTS5INDEX_QUERY_PREFIX 0x0001 /* Prefix query */ +#define FTS5INDEX_QUERY_DESC 0x0002 /* Docs in descending rowid order */ +#define FTS5INDEX_QUERY_TEST_NOIDX 0x0004 /* Do not use prefix index */ +#define FTS5INDEX_QUERY_SCAN 0x0008 /* Scan query (fts5vocab) */ /* The following are used internally by the fts5_index.c module. They are ** defined here only to make it easier to avoid clashes with the flags ** above. */ -#define FTS5INDEX_QUERY_SKIPEMPTY 0x0010 -#define FTS5INDEX_QUERY_NOOUTPUT 0x0020 +#define FTS5INDEX_QUERY_SKIPEMPTY 0x0010 +#define FTS5INDEX_QUERY_NOOUTPUT 0x0020 +#define FTS5INDEX_QUERY_SKIPHASH 0x0040 +#define FTS5INDEX_QUERY_NOTOKENDATA 0x0080 +#define FTS5INDEX_QUERY_SCANONETERM 0x0100 /* ** Create/destroy an Fts5Index object. @@ -223005,6 +230506,10 @@ static void *sqlite3Fts5StructureRef(Fts5Index*); static void sqlite3Fts5StructureRelease(void*); static int sqlite3Fts5StructureTest(Fts5Index*, void*); +/* +** Used by xInstToken(): +*/ +static int sqlite3Fts5IterToken(Fts5IndexIter*, i64, int, int, const char**, int*); /* ** Insert or remove data to or from the index. Each time a document is @@ -223079,6 +230584,16 @@ static int sqlite3Fts5IndexReset(Fts5Index *p); static int sqlite3Fts5IndexLoadConfig(Fts5Index *p); +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin); +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid); + +static void sqlite3Fts5IndexIterClearTokendata(Fts5IndexIter*); + +/* Used to populate hash tables for xInstToken in detail=none/column mode. */ +static int sqlite3Fts5IndexIterWriteTokendata( + Fts5IndexIter*, const char*, int, i64 iRowid, int iCol, int iOff +); + /* ** End of interface to code in fts5_index.c. **************************************************************************/ @@ -223091,7 +230606,7 @@ static int sqlite3Fts5GetVarintLen(u32 iVal); static u8 sqlite3Fts5GetVarint(const unsigned char*, u64*); static int sqlite3Fts5PutVarint(unsigned char *p, u64 v); -#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&b) +#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&(b)) #define fts5GetVarint sqlite3Fts5GetVarint #define fts5FastGetVarint32(a, iOff, nVal) { \ @@ -223163,6 +230678,11 @@ static int sqlite3Fts5HashWrite( */ static void sqlite3Fts5HashClear(Fts5Hash*); +/* +** Return true if the hash is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash*); + static int sqlite3Fts5HashQuery( Fts5Hash*, /* Hash table to query */ int nPre, @@ -223179,11 +230699,13 @@ static void sqlite3Fts5HashScanNext(Fts5Hash*); static int sqlite3Fts5HashScanEof(Fts5Hash*); static void sqlite3Fts5HashScanEntry(Fts5Hash *, const char **pzTerm, /* OUT: term (nul-terminated) */ + int *pnTerm, /* OUT: Size of term in bytes */ const u8 **ppDoclist, /* OUT: pointer to doclist */ int *pnDoclist /* OUT: size of doclist in bytes */ ); + /* ** End of interface to code in fts5_hash.c. **************************************************************************/ @@ -223304,6 +230826,10 @@ static int sqlite3Fts5ExprClonePhrase(Fts5Expr*, int, Fts5Expr**); static int sqlite3Fts5ExprPhraseCollist(Fts5Expr *, int, const u8 **, int *); +static int sqlite3Fts5ExprQueryToken(Fts5Expr*, int, int, const char**, int*); +static int sqlite3Fts5ExprInstToken(Fts5Expr*, i64, int, int, int, int, const char**, int*); +static void sqlite3Fts5ExprClearTokens(Fts5Expr*); + /******************************************* ** The fts5_expr.c API above this point is used by the other hand-written ** C code in this module. The interfaces below this point are called by @@ -223427,7 +230953,8 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); #define FTS5_STAR 15 /* This file is automatically generated by Lemon from input grammar -** source file "fts5parse.y". */ +** source file "fts5parse.y". +*/ /* ** 2000-05-29 ** @@ -225017,15 +232544,19 @@ static int fts5CInstIterInit( */ typedef struct HighlightContext HighlightContext; struct HighlightContext { - CInstIter iter; /* Coalesced Instance Iterator */ - int iPos; /* Current token offset in zIn[] */ + /* Constant parameters to fts5HighlightCb() */ int iRangeStart; /* First token to include */ int iRangeEnd; /* If non-zero, last token to include */ const char *zOpen; /* Opening highlight */ const char *zClose; /* Closing highlight */ const char *zIn; /* Input text */ int nIn; /* Size of input text in bytes */ - int iOff; /* Current offset within zIn[] */ + + /* Variables modified by fts5HighlightCb() */ + CInstIter iter; /* Coalesced Instance Iterator */ + int iPos; /* Current token offset in zIn[] */ + int iOff; /* Have copied up to this offset in zIn[] */ + int bOpen; /* True if highlight is open */ char *zOut; /* Output value */ }; @@ -225058,8 +232589,8 @@ static int fts5HighlightCb( int tflags, /* Mask of FTS5_TOKEN_* flags */ const char *pToken, /* Buffer containing token */ int nToken, /* Size of token in bytes */ - int iStartOff, /* Start offset of token */ - int iEndOff /* End offset of token */ + int iStartOff, /* Start byte offset of token */ + int iEndOff /* End byte offset of token */ ){ HighlightContext *p = (HighlightContext*)pContext; int rc = SQLITE_OK; @@ -225070,35 +232601,60 @@ static int fts5HighlightCb( if( tflags & FTS5_TOKEN_COLOCATED ) return SQLITE_OK; iPos = p->iPos++; - if( p->iRangeEnd>0 ){ + if( p->iRangeEnd>=0 ){ if( iPosiRangeStart || iPos>p->iRangeEnd ) return SQLITE_OK; if( p->iRangeStart && iPos==p->iRangeStart ) p->iOff = iStartOff; } - if( iPos==p->iter.iStart ){ + /* If the parenthesis is open, and this token is not part of the current + ** phrase, and the starting byte offset of this token is past the point + ** that has currently been copied into the output buffer, close the + ** parenthesis. */ + if( p->bOpen + && (iPos<=p->iter.iStart || p->iter.iStart<0) + && iStartOff>p->iOff + ){ + fts5HighlightAppend(&rc, p, p->zClose, -1); + p->bOpen = 0; + } + + /* If this is the start of a new phrase, and the highlight is not open: + ** + ** * copy text from the input up to the start of the phrase, and + ** * open the highlight. + */ + if( iPos==p->iter.iStart && p->bOpen==0 ){ fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iStartOff - p->iOff); fts5HighlightAppend(&rc, p, p->zOpen, -1); p->iOff = iStartOff; + p->bOpen = 1; } if( iPos==p->iter.iEnd ){ - if( p->iRangeEnd && p->iter.iStartiRangeStart ){ + if( p->bOpen==0 ){ + assert( p->iRangeEnd>=0 ); fts5HighlightAppend(&rc, p, p->zOpen, -1); + p->bOpen = 1; } fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iEndOff - p->iOff); - fts5HighlightAppend(&rc, p, p->zClose, -1); p->iOff = iEndOff; + if( rc==SQLITE_OK ){ rc = fts5CInstIterNext(&p->iter); } } - if( p->iRangeEnd>0 && iPos==p->iRangeEnd ){ + if( iPos==p->iRangeEnd ){ + if( p->bOpen ){ + if( p->iter.iStart>=0 && iPos>=p->iter.iStart ){ + fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iEndOff - p->iOff); + p->iOff = iEndOff; + } + fts5HighlightAppend(&rc, p, p->zClose, -1); + p->bOpen = 0; + } fts5HighlightAppend(&rc, p, &p->zIn[p->iOff], iEndOff - p->iOff); p->iOff = iEndOff; - if( iPos>=p->iter.iStart && iPositer.iEnd ){ - fts5HighlightAppend(&rc, p, p->zClose, -1); - } } return rc; @@ -225128,9 +232684,12 @@ static void fts5HighlightFunction( memset(&ctx, 0, sizeof(HighlightContext)); ctx.zOpen = (const char*)sqlite3_value_text(apVal[1]); ctx.zClose = (const char*)sqlite3_value_text(apVal[2]); + ctx.iRangeEnd = -1; rc = pApi->xColumnText(pFts, iCol, &ctx.zIn, &ctx.nIn); - - if( ctx.zIn ){ + if( rc==SQLITE_RANGE ){ + sqlite3_result_text(pCtx, "", -1, SQLITE_STATIC); + rc = SQLITE_OK; + }else if( ctx.zIn ){ if( rc==SQLITE_OK ){ rc = fts5CInstIterInit(pApi, pFts, iCol, &ctx.iter); } @@ -225138,6 +232697,9 @@ static void fts5HighlightFunction( if( rc==SQLITE_OK ){ rc = pApi->xTokenize(pFts, ctx.zIn, ctx.nIn, (void*)&ctx,fts5HighlightCb); } + if( ctx.bOpen ){ + fts5HighlightAppend(&rc, &ctx, ctx.zClose, -1); + } fts5HighlightAppend(&rc, &ctx, &ctx.zIn[ctx.iOff], ctx.nIn - ctx.iOff); if( rc==SQLITE_OK ){ @@ -225313,6 +232875,7 @@ static void fts5SnippetFunction( iCol = sqlite3_value_int(apVal[0]); ctx.zOpen = fts5ValueToText(apVal[1]); ctx.zClose = fts5ValueToText(apVal[2]); + ctx.iRangeEnd = -1; zEllips = fts5ValueToText(apVal[3]); nToken = sqlite3_value_int(apVal[4]); @@ -225415,6 +232978,9 @@ static void fts5SnippetFunction( if( rc==SQLITE_OK ){ rc = pApi->xTokenize(pFts, ctx.zIn, ctx.nIn, (void*)&ctx,fts5HighlightCb); } + if( ctx.bOpen ){ + fts5HighlightAppend(&rc, &ctx, ctx.zClose, -1); + } if( ctx.iRangeEnd>=(nColSize-1) ){ fts5HighlightAppend(&rc, &ctx, &ctx.zIn[ctx.iOff], ctx.nIn - ctx.iOff); }else{ @@ -225690,6 +233256,7 @@ static void sqlite3Fts5BufferAppendBlob( ){ if( nData ){ if( fts5BufferGrow(pRc, pBuf, nData) ) return; + assert( pBuf->p!=0 ); memcpy(&pBuf->p[pBuf->n], pData, nData); pBuf->n += nData; } @@ -225791,6 +233358,7 @@ static int sqlite3Fts5PoslistNext64( i64 *piOff /* IN/OUT: Current offset */ ){ int i = *pi; + assert( a!=0 || i==0 ); if( i>=n ){ /* EOF */ *piOff = -1; @@ -225798,6 +233366,7 @@ static int sqlite3Fts5PoslistNext64( }else{ i64 iOff = *piOff; u32 iVal; + assert( a!=0 ); fts5FastGetVarint32(a, i, iVal); if( iVal<=1 ){ if( iVal==0 ){ @@ -226053,6 +233622,8 @@ static void sqlite3Fts5TermsetFree(Fts5Termset *p){ #define FTS5_DEFAULT_CRISISMERGE 16 #define FTS5_DEFAULT_HASHSIZE (1024*1024) +#define FTS5_DEFAULT_DELETE_AUTOMERGE 10 /* default 10% */ + /* Maximum allowed page size */ #define FTS5_MAX_PAGE_SIZE (64*1024) @@ -226383,6 +233954,16 @@ static int fts5ConfigParseSpecial( return rc; } + if( sqlite3_strnicmp("contentless_delete", zCmd, nCmd)==0 ){ + if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1]!='\0' ){ + *pzErr = sqlite3_mprintf("malformed contentless_delete=... directive"); + rc = SQLITE_ERROR; + }else{ + pConfig->bContentlessDelete = (zArg[0]=='1'); + } + return rc; + } + if( sqlite3_strnicmp("content_rowid", zCmd, nCmd)==0 ){ if( pConfig->zContentRowid ){ *pzErr = sqlite3_mprintf("multiple content_rowid=... directives"); @@ -226417,6 +233998,16 @@ static int fts5ConfigParseSpecial( return rc; } + if( sqlite3_strnicmp("tokendata", zCmd, nCmd)==0 ){ + if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1]!='\0' ){ + *pzErr = sqlite3_mprintf("malformed tokendata=... directive"); + rc = SQLITE_ERROR; + }else{ + pConfig->bTokendata = (zArg[0]=='1'); + } + return rc; + } + *pzErr = sqlite3_mprintf("unrecognized option: \"%.*s\"", nCmd, zCmd); return SQLITE_ERROR; } @@ -226581,6 +234172,7 @@ static int sqlite3Fts5ConfigParse( rc = SQLITE_ERROR; } + assert( (pRet->abUnindexed && pRet->azCol) || rc!=SQLITE_OK ); for(i=3; rc==SQLITE_OK && ibContentlessDelete + && pRet->eContent!=FTS5_CONTENT_NONE + ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 requires a contentless table" + ); + rc = SQLITE_ERROR; + } + + /* We only allow contentless_delete=1 if columnsize=0 is not present. + ** + ** This restriction may be removed at some point. + */ + if( rc==SQLITE_OK && pRet->bContentlessDelete && pRet->bColumnsize==0 ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 is incompatible with columnsize=0" + ); + rc = SQLITE_ERROR; + } + /* If a tokenizer= option was successfully parsed, the tokenizer has ** already been allocated. Otherwise, allocate an instance of the default ** tokenizer (unicode61) now. */ @@ -226920,6 +234534,18 @@ static int sqlite3Fts5ConfigSetValue( } } + else if( 0==sqlite3_stricmp(zKey, "deletemerge") ){ + int nVal = -1; + if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ + nVal = sqlite3_value_int(pVal); + }else{ + *pbBadkey = 1; + } + if( nVal<0 ) nVal = FTS5_DEFAULT_DELETE_AUTOMERGE; + if( nVal>100 ) nVal = 0; + pConfig->nDeleteMerge = nVal; + } + else if( 0==sqlite3_stricmp(zKey, "rank") ){ const char *zIn = (const char*)sqlite3_value_text(pVal); char *zRank; @@ -226934,6 +234560,18 @@ static int sqlite3Fts5ConfigSetValue( rc = SQLITE_OK; *pbBadkey = 1; } + } + + else if( 0==sqlite3_stricmp(zKey, "secure-delete") ){ + int bVal = -1; + if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ + bVal = sqlite3_value_int(pVal); + } + if( bVal<0 ){ + *pbBadkey = 1; + }else{ + pConfig->bSecureDelete = (bVal ? 1 : 0); + } }else{ *pbBadkey = 1; } @@ -226956,6 +234594,7 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ pConfig->nUsermerge = FTS5_DEFAULT_USERMERGE; pConfig->nCrisisMerge = FTS5_DEFAULT_CRISISMERGE; pConfig->nHashSize = FTS5_DEFAULT_HASHSIZE; + pConfig->nDeleteMerge = FTS5_DEFAULT_DELETE_AUTOMERGE; zSql = sqlite3Fts5Mprintf(&rc, zSelect, pConfig->zDb, pConfig->zName); if( zSql ){ @@ -226978,15 +234617,20 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ rc = sqlite3_finalize(p); } - if( rc==SQLITE_OK && iVersion!=FTS5_CURRENT_VERSION ){ + if( rc==SQLITE_OK + && iVersion!=FTS5_CURRENT_VERSION + && iVersion!=FTS5_CURRENT_VERSION_SECUREDELETE + ){ rc = SQLITE_ERROR; if( pConfig->pzErrmsg ){ assert( 0==*pConfig->pzErrmsg ); - *pConfig->pzErrmsg = sqlite3_mprintf( - "invalid fts5 file format (found %d, expected %d) - run 'rebuild'", - iVersion, FTS5_CURRENT_VERSION + *pConfig->pzErrmsg = sqlite3_mprintf("invalid fts5 file format " + "(found %d, expected %d or %d) - run 'rebuild'", + iVersion, FTS5_CURRENT_VERSION, FTS5_CURRENT_VERSION_SECUREDELETE ); } + }else{ + pConfig->iVersion = iVersion; } if( rc==SQLITE_OK ){ @@ -227014,6 +234658,10 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ /* #include "fts5Int.h" */ /* #include "fts5parse.h" */ +#ifndef SQLITE_FTS5_MAX_EXPR_DEPTH +# define SQLITE_FTS5_MAX_EXPR_DEPTH 256 +#endif + /* ** All token types in the generated fts5parse.h file are greater than 0. */ @@ -227054,11 +234702,17 @@ struct Fts5Expr { ** FTS5_NOT (nChild, apChild valid) ** FTS5_STRING (pNear valid) ** FTS5_TERM (pNear valid) +** +** iHeight: +** Distance from this node to furthest leaf. This is always 0 for nodes +** of type FTS5_STRING and FTS5_TERM. For all other nodes it is one +** greater than the largest child value. */ struct Fts5ExprNode { int eType; /* Node type */ int bEof; /* True at EOF */ int bNomatch; /* True if entry is not a match */ + int iHeight; /* Distance to tree leaf nodes */ /* Next method for this node. */ int (*xNext)(Fts5Expr*, Fts5ExprNode*, int, i64); @@ -227087,7 +234741,9 @@ struct Fts5ExprNode { struct Fts5ExprTerm { u8 bPrefix; /* True for a prefix term */ u8 bFirst; /* True if token must be first in column */ - char *zTerm; /* nul-terminated term */ + char *pTerm; /* Term data */ + int nQueryTerm; /* Effective size of term in bytes */ + int nFullTerm; /* Size of term in bytes incl. tokendata */ Fts5IndexIter *pIter; /* Iterator for this term */ Fts5ExprTerm *pSynonym; /* Pointer to first in list of synonyms */ }; @@ -227128,6 +234784,31 @@ struct Fts5Parse { int bPhraseToAnd; /* Convert "a+b" to "a AND b" */ }; +/* +** Check that the Fts5ExprNode.iHeight variables are set correctly in +** the expression tree passed as the only argument. +*/ +#ifndef NDEBUG +static void assert_expr_depth_ok(int rc, Fts5ExprNode *p){ + if( rc==SQLITE_OK ){ + if( p->eType==FTS5_TERM || p->eType==FTS5_STRING || p->eType==0 ){ + assert( p->iHeight==0 ); + }else{ + int ii; + int iMaxChild = 0; + for(ii=0; iinChild; ii++){ + Fts5ExprNode *pChild = p->apChild[ii]; + iMaxChild = MAX(iMaxChild, pChild->iHeight); + assert_expr_depth_ok(SQLITE_OK, pChild); + } + assert( p->iHeight==iMaxChild+1 ); + } + } +} +#else +# define assert_expr_depth_ok(rc, p) +#endif + static void sqlite3Fts5ParseError(Fts5Parse *pParse, const char *zFmt, ...){ va_list ap; va_start(ap, zFmt); @@ -227242,6 +234923,8 @@ static int sqlite3Fts5ExprNew( }while( sParse.rc==SQLITE_OK && t!=FTS5_EOF ); sqlite3Fts5ParserFree(pEngine, fts5ParseFree); + assert_expr_depth_ok(sParse.rc, sParse.pExpr); + /* If the LHS of the MATCH expression was a user column, apply the ** implicit column-filter. */ if( iColnCol && sParse.pExpr && sParse.rc==SQLITE_OK ){ @@ -227404,7 +235087,7 @@ static int sqlite3Fts5ExprAnd(Fts5Expr **pp1, Fts5Expr *p2){ Fts5Parse sParse; memset(&sParse, 0, sizeof(sParse)); - if( *pp1 ){ + if( *pp1 && p2 ){ Fts5Expr *p1 = *pp1; int nPhrase = p1->nPhrase + p2->nPhrase; @@ -227429,7 +235112,7 @@ static int sqlite3Fts5ExprAnd(Fts5Expr **pp1, Fts5Expr *p2){ } sqlite3_free(p2->apExprPhrase); sqlite3_free(p2); - }else{ + }else if( p2 ){ *pp1 = p2; } @@ -227927,7 +235610,7 @@ static int fts5ExprNearInitAll( p->pIter = 0; } rc = sqlite3Fts5IndexQuery( - pExpr->pIndex, p->zTerm, (int)strlen(p->zTerm), + pExpr->pIndex, p->pTerm, p->nQueryTerm, (pTerm->bPrefix ? FTS5INDEX_QUERY_PREFIX : 0) | (pExpr->bDesc ? FTS5INDEX_QUERY_DESC : 0), pNear->pColset, @@ -228564,7 +236247,7 @@ static void fts5ExprPhraseFree(Fts5ExprPhrase *pPhrase){ Fts5ExprTerm *pSyn; Fts5ExprTerm *pNext; Fts5ExprTerm *pTerm = &pPhrase->aTerm[i]; - sqlite3_free(pTerm->zTerm); + sqlite3_free(pTerm->pTerm); sqlite3Fts5IterClose(pTerm->pIter); for(pSyn=pTerm->pSynonym; pSyn; pSyn=pNext){ pNext = pSyn->pSynonym; @@ -228662,6 +236345,7 @@ static Fts5ExprNearset *sqlite3Fts5ParseNearset( typedef struct TokenCtx TokenCtx; struct TokenCtx { Fts5ExprPhrase *pPhrase; + Fts5Config *pConfig; int rc; }; @@ -228695,8 +236379,12 @@ static int fts5ParseTokenize( rc = SQLITE_NOMEM; }else{ memset(pSyn, 0, (size_t)nByte); - pSyn->zTerm = ((char*)pSyn) + sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer); - memcpy(pSyn->zTerm, pToken, nToken); + pSyn->pTerm = ((char*)pSyn) + sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer); + pSyn->nFullTerm = pSyn->nQueryTerm = nToken; + if( pCtx->pConfig->bTokendata ){ + pSyn->nQueryTerm = (int)strlen(pSyn->pTerm); + } + memcpy(pSyn->pTerm, pToken, nToken); pSyn->pSynonym = pPhrase->aTerm[pPhrase->nTerm-1].pSynonym; pPhrase->aTerm[pPhrase->nTerm-1].pSynonym = pSyn; } @@ -228721,7 +236409,11 @@ static int fts5ParseTokenize( if( rc==SQLITE_OK ){ pTerm = &pPhrase->aTerm[pPhrase->nTerm++]; memset(pTerm, 0, sizeof(Fts5ExprTerm)); - pTerm->zTerm = sqlite3Fts5Strndup(&rc, pToken, nToken); + pTerm->pTerm = sqlite3Fts5Strndup(&rc, pToken, nToken); + pTerm->nFullTerm = pTerm->nQueryTerm = nToken; + if( pCtx->pConfig->bTokendata && rc==SQLITE_OK ){ + pTerm->nQueryTerm = (int)strlen(pTerm->pTerm); + } } } @@ -228788,6 +236480,7 @@ static Fts5ExprPhrase *sqlite3Fts5ParseTerm( memset(&sCtx, 0, sizeof(TokenCtx)); sCtx.pPhrase = pAppend; + sCtx.pConfig = pConfig; rc = fts5ParseStringFromToken(pToken, &z); if( rc==SQLITE_OK ){ @@ -228835,12 +236528,15 @@ static int sqlite3Fts5ExprClonePhrase( Fts5Expr **ppNew ){ int rc = SQLITE_OK; /* Return code */ - Fts5ExprPhrase *pOrig; /* The phrase extracted from pExpr */ + Fts5ExprPhrase *pOrig = 0; /* The phrase extracted from pExpr */ Fts5Expr *pNew = 0; /* Expression to return via *ppNew */ - TokenCtx sCtx = {0,0}; /* Context object for fts5ParseTokenize */ - - pOrig = pExpr->apExprPhrase[iPhrase]; - pNew = (Fts5Expr*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5Expr)); + TokenCtx sCtx = {0,0,0}; /* Context object for fts5ParseTokenize */ + if( iPhrase<0 || iPhrase>=pExpr->nPhrase ){ + rc = SQLITE_RANGE; + }else{ + pOrig = pExpr->apExprPhrase[iPhrase]; + pNew = (Fts5Expr*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5Expr)); + } if( rc==SQLITE_OK ){ pNew->apExprPhrase = (Fts5ExprPhrase**)sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprPhrase*)); @@ -228853,7 +236549,7 @@ static int sqlite3Fts5ExprClonePhrase( pNew->pRoot->pNear = (Fts5ExprNearset*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprNearset) + sizeof(Fts5ExprPhrase*)); } - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK && ALWAYS(pOrig!=0) ){ Fts5Colset *pColsetOrig = pOrig->pNode->pNear->pColset; if( pColsetOrig ){ sqlite3_int64 nByte; @@ -228867,26 +236563,27 @@ static int sqlite3Fts5ExprClonePhrase( } } - if( pOrig->nTerm ){ - int i; /* Used to iterate through phrase terms */ - for(i=0; rc==SQLITE_OK && inTerm; i++){ - int tflags = 0; - Fts5ExprTerm *p; - for(p=&pOrig->aTerm[i]; p && rc==SQLITE_OK; p=p->pSynonym){ - const char *zTerm = p->zTerm; - rc = fts5ParseTokenize((void*)&sCtx, tflags, zTerm, (int)strlen(zTerm), - 0, 0); - tflags = FTS5_TOKEN_COLOCATED; - } - if( rc==SQLITE_OK ){ - sCtx.pPhrase->aTerm[i].bPrefix = pOrig->aTerm[i].bPrefix; - sCtx.pPhrase->aTerm[i].bFirst = pOrig->aTerm[i].bFirst; + if( rc==SQLITE_OK ){ + if( pOrig->nTerm ){ + int i; /* Used to iterate through phrase terms */ + sCtx.pConfig = pExpr->pConfig; + for(i=0; rc==SQLITE_OK && inTerm; i++){ + int tflags = 0; + Fts5ExprTerm *p; + for(p=&pOrig->aTerm[i]; p && rc==SQLITE_OK; p=p->pSynonym){ + rc = fts5ParseTokenize((void*)&sCtx,tflags,p->pTerm,p->nFullTerm,0,0); + tflags = FTS5_TOKEN_COLOCATED; + } + if( rc==SQLITE_OK ){ + sCtx.pPhrase->aTerm[i].bPrefix = pOrig->aTerm[i].bPrefix; + sCtx.pPhrase->aTerm[i].bFirst = pOrig->aTerm[i].bFirst; + } } + }else{ + /* This happens when parsing a token or quoted phrase that contains + ** no token characters at all. (e.g ... MATCH '""'). */ + sCtx.pPhrase = sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprPhrase)); } - }else{ - /* This happens when parsing a token or quoted phrase that contains - ** no token characters at all. (e.g ... MATCH '""'). */ - sCtx.pPhrase = sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprPhrase)); } if( rc==SQLITE_OK && ALWAYS(sCtx.pPhrase) ){ @@ -229203,6 +236900,7 @@ static void fts5ExprAssignXNext(Fts5ExprNode *pNode){ } static void fts5ExprAddChildren(Fts5ExprNode *p, Fts5ExprNode *pSub){ + int ii = p->nChild; if( p->eType!=FTS5_NOT && pSub->eType==p->eType ){ int nByte = sizeof(Fts5ExprNode*) * pSub->nChild; memcpy(&p->apChild[p->nChild], pSub->apChild, nByte); @@ -229211,6 +236909,9 @@ static void fts5ExprAddChildren(Fts5ExprNode *p, Fts5ExprNode *pSub){ }else{ p->apChild[p->nChild++] = pSub; } + for( ; iinChild; ii++){ + p->iHeight = MAX(p->iHeight, p->apChild[ii]->iHeight + 1); + } } /* @@ -229241,6 +236942,7 @@ static Fts5ExprNode *fts5ParsePhraseToAnd( if( pRet ){ pRet->eType = FTS5_AND; pRet->nChild = nTerm; + pRet->iHeight = 1; fts5ExprAssignXNext(pRet); pParse->nPhrase--; for(ii=0; iiapPhrase[0]->aTerm[ii]; + Fts5ExprTerm *pTo = &pPhrase->aTerm[0]; pParse->apPhrase[pParse->nPhrase++] = pPhrase; pPhrase->nTerm = 1; - pPhrase->aTerm[0].zTerm = sqlite3Fts5Strndup( - &pParse->rc, pNear->apPhrase[0]->aTerm[ii].zTerm, -1 - ); + pTo->pTerm = sqlite3Fts5Strndup(&pParse->rc, p->pTerm, p->nFullTerm); + pTo->nQueryTerm = p->nQueryTerm; + pTo->nFullTerm = p->nFullTerm; pRet->apChild[ii] = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, sqlite3Fts5ParseNearset(pParse, 0, pPhrase) ); @@ -229346,6 +237050,14 @@ static Fts5ExprNode *sqlite3Fts5ParseNode( }else{ fts5ExprAddChildren(pRet, pLeft); fts5ExprAddChildren(pRet, pRight); + if( pRet->iHeight>SQLITE_FTS5_MAX_EXPR_DEPTH ){ + sqlite3Fts5ParseError(pParse, + "fts5 expression tree is too large (maximum depth %d)", + SQLITE_FTS5_MAX_EXPR_DEPTH + ); + sqlite3_free(pRet); + pRet = 0; + } } } } @@ -229424,7 +237136,7 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( return pRet; } -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){ sqlite3_int64 nByte = 0; Fts5ExprTerm *p; @@ -229432,16 +237144,17 @@ static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){ /* Determine the maximum amount of space required. */ for(p=pTerm; p; p=p->pSynonym){ - nByte += (int)strlen(pTerm->zTerm) * 2 + 3 + 2; + nByte += pTerm->nQueryTerm * 2 + 3 + 2; } zQuoted = sqlite3_malloc64(nByte); if( zQuoted ){ int i = 0; for(p=pTerm; p; p=p->pSynonym){ - char *zIn = p->zTerm; + char *zIn = p->pTerm; + char *zEnd = &zIn[p->nQueryTerm]; zQuoted[i++] = '"'; - while( *zIn ){ + while( zInnTerm; iTerm++){ - char *zTerm = pPhrase->aTerm[iTerm].zTerm; - zRet = fts5PrintfAppend(zRet, "%s%s", iTerm==0?"":" ", zTerm); + Fts5ExprTerm *p = &pPhrase->aTerm[iTerm]; + zRet = fts5PrintfAppend(zRet, "%s%.*s", iTerm==0?"":" ", + p->nQueryTerm, p->pTerm + ); if( pPhrase->aTerm[iTerm].bPrefix ){ zRet = fts5PrintfAppend(zRet, "*"); } @@ -229530,6 +237245,8 @@ static char *fts5ExprPrintTcl( if( zRet==0 ) return 0; } + }else if( pExpr->eType==0 ){ + zRet = sqlite3_mprintf("{}"); }else{ char const *zOp = 0; int i; @@ -229791,14 +237508,14 @@ static void fts5ExprFold( sqlite3_result_int(pCtx, sqlite3Fts5UnicodeFold(iCode, bRemoveDiacritics)); } } -#endif /* ifdef SQLITE_TEST */ +#endif /* if SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called during initialization to register the fts5_expr() scalar ** UDF with the SQLite handle passed as the only argument. */ static int sqlite3Fts5ExprInit(Fts5Global *pGlobal, sqlite3 *db){ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) struct Fts5ExprFunc { const char *z; void (*x)(sqlite3_context*,int,sqlite3_value**); @@ -229919,6 +237636,17 @@ static int fts5ExprColsetTest(Fts5Colset *pColset, int iCol){ return 0; } +/* +** pToken is a buffer nToken bytes in size that may or may not contain +** an embedded 0x00 byte. If it does, return the number of bytes in +** the buffer before the 0x00. If it does not, return nToken. +*/ +static int fts5QueryTerm(const char *pToken, int nToken){ + int ii; + for(ii=0; iipExpr; int i; + int nQuery = nToken; + i64 iRowid = pExpr->pRoot->iRowid; UNUSED_PARAM2(iUnused1, iUnused2); - if( nToken>FTS5_MAX_TOKEN_SIZE ) nToken = FTS5_MAX_TOKEN_SIZE; + if( nQuery>FTS5_MAX_TOKEN_SIZE ) nQuery = FTS5_MAX_TOKEN_SIZE; + if( pExpr->pConfig->bTokendata ){ + nQuery = fts5QueryTerm(pToken, nQuery); + } if( (tflags & FTS5_TOKEN_COLOCATED)==0 ) p->iOff++; for(i=0; inPhrase; i++){ - Fts5ExprTerm *pTerm; + Fts5ExprTerm *pT; if( p->aPopulator[i].bOk==0 ) continue; - for(pTerm=&pExpr->apExprPhrase[i]->aTerm[0]; pTerm; pTerm=pTerm->pSynonym){ - int nTerm = (int)strlen(pTerm->zTerm); - if( (nTerm==nToken || (nTermbPrefix)) - && memcmp(pTerm->zTerm, pToken, nTerm)==0 + for(pT=&pExpr->apExprPhrase[i]->aTerm[0]; pT; pT=pT->pSynonym){ + if( (pT->nQueryTerm==nQuery || (pT->nQueryTermbPrefix)) + && memcmp(pT->pTerm, pToken, pT->nQueryTerm)==0 ){ int rc = sqlite3Fts5PoslistWriterAppend( &pExpr->apExprPhrase[i]->poslist, &p->aPopulator[i].writer, p->iOff ); + if( rc==SQLITE_OK && pExpr->pConfig->bTokendata && !pT->bPrefix ){ + int iCol = p->iOff>>32; + int iTokOff = p->iOff & 0x7FFFFFFF; + rc = sqlite3Fts5IndexIterWriteTokendata( + pT->pIter, pToken, nToken, iRowid, iCol, iTokOff + ); + } if( rc ) return rc; break; } @@ -230081,6 +237820,83 @@ static int sqlite3Fts5ExprPhraseCollist( return rc; } +/* +** Does the work of the fts5_api.xQueryToken() API method. +*/ +static int sqlite3Fts5ExprQueryToken( + Fts5Expr *pExpr, + int iPhrase, + int iToken, + const char **ppOut, + int *pnOut +){ + Fts5ExprPhrase *pPhrase = 0; + + if( iPhrase<0 || iPhrase>=pExpr->nPhrase ){ + return SQLITE_RANGE; + } + pPhrase = pExpr->apExprPhrase[iPhrase]; + if( iToken<0 || iToken>=pPhrase->nTerm ){ + return SQLITE_RANGE; + } + + *ppOut = pPhrase->aTerm[iToken].pTerm; + *pnOut = pPhrase->aTerm[iToken].nFullTerm; + return SQLITE_OK; +} + +/* +** Does the work of the fts5_api.xInstToken() API method. +*/ +static int sqlite3Fts5ExprInstToken( + Fts5Expr *pExpr, + i64 iRowid, + int iPhrase, + int iCol, + int iOff, + int iToken, + const char **ppOut, + int *pnOut +){ + Fts5ExprPhrase *pPhrase = 0; + Fts5ExprTerm *pTerm = 0; + int rc = SQLITE_OK; + + if( iPhrase<0 || iPhrase>=pExpr->nPhrase ){ + return SQLITE_RANGE; + } + pPhrase = pExpr->apExprPhrase[iPhrase]; + if( iToken<0 || iToken>=pPhrase->nTerm ){ + return SQLITE_RANGE; + } + pTerm = &pPhrase->aTerm[iToken]; + if( pTerm->bPrefix==0 ){ + if( pExpr->pConfig->bTokendata ){ + rc = sqlite3Fts5IterToken( + pTerm->pIter, iRowid, iCol, iOff+iToken, ppOut, pnOut + ); + }else{ + *ppOut = pTerm->pTerm; + *pnOut = pTerm->nFullTerm; + } + } + return rc; +} + +/* +** Clear the token mappings for all Fts5IndexIter objects mannaged by +** the expression passed as the only argument. +*/ +static void sqlite3Fts5ExprClearTokens(Fts5Expr *pExpr){ + int ii; + for(ii=0; iinPhrase; ii++){ + Fts5ExprTerm *pT; + for(pT=&pExpr->apExprPhrase[ii]->aTerm[0]; pT; pT=pT->pSynonym){ + sqlite3Fts5IndexIterClearTokendata(pT->pIter); + } + } +} + /* ** 2014 August 11 ** @@ -230119,10 +237935,15 @@ struct Fts5Hash { /* ** Each entry in the hash table is represented by an object of the -** following type. Each object, its key (a nul-terminated string) and -** its current data are stored in a single memory allocation. The -** key immediately follows the object in memory. The position list -** data immediately follows the key data in memory. +** following type. Each object, its key, and its current data are stored +** in a single memory allocation. The key immediately follows the object +** in memory. The position list data immediately follows the key data +** in memory. +** +** The key is Fts5HashEntry.nKey bytes in size. It consists of a single +** byte identifying the index (either the main term index or a prefix-index), +** followed by the term data. For example: "0token". There is no +** nul-terminator - in this case nKey=6. ** ** The data that follows the key is in a similar, but not identical format ** to the doclist data stored in the database. It is: @@ -230257,8 +238078,7 @@ static int fts5HashResize(Fts5Hash *pHash){ unsigned int iHash; Fts5HashEntry *p = apOld[i]; apOld[i] = p->pHashNext; - iHash = fts5HashKey(nNew, (u8*)fts5EntryKey(p), - (int)strlen(fts5EntryKey(p))); + iHash = fts5HashKey(nNew, (u8*)fts5EntryKey(p), p->nKey); p->pHashNext = apNew[iHash]; apNew[iHash] = p; } @@ -230342,7 +238162,7 @@ static int sqlite3Fts5HashWrite( for(p=pHash->aSlot[iHash]; p; p=p->pHashNext){ char *zKey = fts5EntryKey(p); if( zKey[0]==bByte - && p->nKey==nToken + && p->nKey==nToken+1 && memcmp(&zKey[1], pToken, nToken)==0 ){ break; @@ -230372,9 +238192,9 @@ static int sqlite3Fts5HashWrite( zKey[0] = bByte; memcpy(&zKey[1], pToken, nToken); assert( iHash==fts5HashKey(pHash->nSlot, (u8*)zKey, nToken+1) ); - p->nKey = nToken; + p->nKey = nToken+1; zKey[nToken+1] = '\0'; - p->nData = nToken+1 + 1 + sizeof(Fts5HashEntry); + p->nData = nToken+1 + sizeof(Fts5HashEntry); p->pHashNext = pHash->aSlot[iHash]; pHash->aSlot[iHash] = p; pHash->nEntry++; @@ -230491,12 +238311,17 @@ static Fts5HashEntry *fts5HashEntryMerge( *ppOut = p1; p1 = 0; }else{ - int i = 0; char *zKey1 = fts5EntryKey(p1); char *zKey2 = fts5EntryKey(p2); - while( zKey1[i]==zKey2[i] ) i++; + int nMin = MIN(p1->nKey, p2->nKey); - if( ((u8)zKey1[i])>((u8)zKey2[i]) ){ + int cmp = memcmp(zKey1, zKey2, nMin); + if( cmp==0 ){ + cmp = p1->nKey - p2->nKey; + } + assert( cmp!=0 ); + + if( cmp>0 ){ /* p2 is smaller */ *ppOut = p2; ppOut = &p2->pScanNext; @@ -230515,10 +238340,8 @@ static Fts5HashEntry *fts5HashEntryMerge( } /* -** Extract all tokens from hash table iHash and link them into a list -** in sorted order. The hash table is cleared before returning. It is -** the responsibility of the caller to free the elements of the returned -** list. +** Link all tokens from hash table iHash into a list in sorted order. The +** tokens are not removed from the hash table. */ static int fts5HashEntrySort( Fts5Hash *pHash, @@ -230540,7 +238363,7 @@ static int fts5HashEntrySort( Fts5HashEntry *pIter; for(pIter=pHash->aSlot[iSlot]; pIter; pIter=pIter->pHashNext){ if( pTerm==0 - || (pIter->nKey+1>=nTerm && 0==memcmp(fts5EntryKey(pIter), pTerm, nTerm)) + || (pIter->nKey>=nTerm && 0==memcmp(fts5EntryKey(pIter), pTerm, nTerm)) ){ Fts5HashEntry *pEntry = pIter; pEntry->pScanNext = 0; @@ -230558,7 +238381,6 @@ static int fts5HashEntrySort( pList = fts5HashEntryMerge(pList, ap[i]); } - pHash->nEntry = 0; sqlite3_free(ap); *ppSorted = pList; return SQLITE_OK; @@ -230580,12 +238402,11 @@ static int sqlite3Fts5HashQuery( for(p=pHash->aSlot[iHash]; p; p=p->pHashNext){ zKey = fts5EntryKey(p); - assert( p->nKey+1==(int)strlen(zKey) ); - if( nTerm==p->nKey+1 && memcmp(zKey, pTerm, nTerm)==0 ) break; + if( nTerm==p->nKey && memcmp(zKey, pTerm, nTerm)==0 ) break; } if( p ){ - int nHashPre = sizeof(Fts5HashEntry) + nTerm + 1; + int nHashPre = sizeof(Fts5HashEntry) + nTerm; int nList = p->nData - nHashPre; u8 *pRet = (u8*)(*ppOut = sqlite3_malloc64(nPre + nList + 10)); if( pRet ){ @@ -230612,6 +238433,28 @@ static int sqlite3Fts5HashScanInit( return fts5HashEntrySort(p, pTerm, nTerm, &p->pScan); } +#ifdef SQLITE_DEBUG +static int fts5HashCount(Fts5Hash *pHash){ + int nEntry = 0; + int ii; + for(ii=0; iinSlot; ii++){ + Fts5HashEntry *p = 0; + for(p=pHash->aSlot[ii]; p; p=p->pHashNext){ + nEntry++; + } + } + return nEntry; +} +#endif + +/* +** Return true if the hash table is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash *pHash){ + assert( pHash->nEntry==fts5HashCount(pHash) ); + return pHash->nEntry==0; +} + static void sqlite3Fts5HashScanNext(Fts5Hash *p){ assert( !sqlite3Fts5HashScanEof(p) ); p->pScan = p->pScan->pScanNext; @@ -230624,19 +238467,22 @@ static int sqlite3Fts5HashScanEof(Fts5Hash *p){ static void sqlite3Fts5HashScanEntry( Fts5Hash *pHash, const char **pzTerm, /* OUT: term (nul-terminated) */ + int *pnTerm, /* OUT: Size of term in bytes */ const u8 **ppDoclist, /* OUT: pointer to doclist */ int *pnDoclist /* OUT: size of doclist in bytes */ ){ Fts5HashEntry *p; if( (p = pHash->pScan) ){ char *zKey = fts5EntryKey(p); - int nTerm = (int)strlen(zKey); + int nTerm = p->nKey; fts5HashAddPoslistSize(pHash, p, 0); *pzTerm = zKey; - *ppDoclist = (const u8*)&zKey[nTerm+1]; - *pnDoclist = p->nData - (sizeof(Fts5HashEntry) + nTerm + 1); + *pnTerm = nTerm; + *ppDoclist = (const u8*)&zKey[nTerm]; + *pnDoclist = p->nData - (sizeof(Fts5HashEntry) + nTerm); }else{ *pzTerm = 0; + *pnTerm = 0; *ppDoclist = 0; *pnDoclist = 0; } @@ -230700,6 +238546,24 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_MAX_LEVEL 64 +/* +** There are two versions of the format used for the structure record: +** +** 1. the legacy format, that may be read by all fts5 versions, and +** +** 2. the V2 format, which is used by contentless_delete=1 databases. +** +** Both begin with a 4-byte "configuration cookie" value. Then, a legacy +** format structure record contains a varint - the number of levels in +** the structure. Whereas a V2 structure record contains the constant +** 4 bytes [0xff 0x00 0x00 0x01]. This is unambiguous as the value of a +** varint has to be at least 16256 to begin with "0xFF". And the default +** maximum number of levels is 64. +** +** See below for more on structure record formats. +*/ +#define FTS5_STRUCTURE_V2 "\xFF\x00\x00\x01" + /* ** Details: ** @@ -230707,7 +238571,7 @@ static void sqlite3Fts5HashScanEntry( ** ** CREATE TABLE %_data(id INTEGER PRIMARY KEY, block BLOB); ** -** , contains the following 5 types of records. See the comments surrounding +** , contains the following 6 types of records. See the comments surrounding ** the FTS5_*_ROWID macros below for a description of how %_data rowids are ** assigned to each fo them. ** @@ -230716,12 +238580,12 @@ static void sqlite3Fts5HashScanEntry( ** The set of segments that make up an index - the index structure - are ** recorded in a single record within the %_data table. The record consists ** of a single 32-bit configuration cookie value followed by a list of -** SQLite varints. If the FTS table features more than one index (because -** there are one or more prefix indexes), it is guaranteed that all share -** the same cookie value. +** SQLite varints. ** -** Immediately following the configuration cookie, the record begins with -** three varints: +** If the structure record is a V2 record, the configuration cookie is +** followed by the following 4 bytes: [0xFF 0x00 0x00 0x01]. +** +** Next, the record continues with three varints: ** ** + number of levels, ** + total number of segments on all levels, @@ -230736,6 +238600,12 @@ static void sqlite3Fts5HashScanEntry( ** + first leaf page number (often 1, always greater than 0) ** + final leaf page number ** +** Then, for V2 structures only: +** +** + lower origin counter value, +** + upper origin counter value, +** + the number of tombstone hash pages. +** ** 2. The Averages Record: ** ** A single record within the %_data table. The data is a list of varints. @@ -230851,6 +238721,38 @@ static void sqlite3Fts5HashScanEntry( ** * A list of delta-encoded varints - the first rowid on each subsequent ** child page. ** +** 6. Tombstone Hash Page +** +** These records are only ever present in contentless_delete=1 tables. +** There are zero or more of these associated with each segment. They +** are used to store the tombstone rowids for rows contained in the +** associated segments. +** +** The set of nHashPg tombstone hash pages associated with a single +** segment together form a single hash table containing tombstone rowids. +** To find the page of the hash on which a key might be stored: +** +** iPg = (rowid % nHashPg) +** +** Then, within page iPg, which has nSlot slots: +** +** iSlot = (rowid / nHashPg) % nSlot +** +** Each tombstone hash page begins with an 8 byte header: +** +** 1-byte: Key-size (the size in bytes of each slot). Either 4 or 8. +** 1-byte: rowid-0-tombstone flag. This flag is only valid on the +** first tombstone hash page for each segment (iPg=0). If set, +** the hash table contains rowid 0. If clear, it does not. +** Rowid 0 is handled specially. +** 2-bytes: unused. +** 4-bytes: Big-endian integer containing number of entries on page. +** +** Following this are nSlot 4 or 8 byte slots (depending on the key-size +** in the first byte of the page header). The number of slots may be +** determined based on the size of the page record and the key-size: +** +** nSlot = (nByte - 8) / key-size */ /* @@ -230884,6 +238786,7 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_SEGMENT_ROWID(segid, pgno) fts5_dri(segid, 0, 0, pgno) #define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno) +#define FTS5_TOMBSTONE_ROWID(segid,ipg) fts5_dri(segid+(1<<16), 0, 0, ipg) #ifdef SQLITE_DEBUG static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; } @@ -230910,6 +238813,9 @@ typedef struct Fts5SegWriter Fts5SegWriter; typedef struct Fts5Structure Fts5Structure; typedef struct Fts5StructureLevel Fts5StructureLevel; typedef struct Fts5StructureSegment Fts5StructureSegment; +typedef struct Fts5TokenDataIter Fts5TokenDataIter; +typedef struct Fts5TokenDataMap Fts5TokenDataMap; +typedef struct Fts5TombstoneArray Fts5TombstoneArray; struct Fts5Data { u8 *p; /* Pointer to buffer containing record */ @@ -230919,6 +238825,12 @@ struct Fts5Data { /* ** One object per %_data table. +** +** nContentlessDelete: +** The number of contentless delete operations since the most recent +** call to fts5IndexFlush() or fts5IndexDiscardData(). This is tracked +** so that extra auto-merge work can be done by fts5IndexFlush() to +** account for the delete operations. */ struct Fts5Index { Fts5Config *pConfig; /* Virtual table configuration */ @@ -230933,9 +238845,12 @@ struct Fts5Index { int nPendingData; /* Current bytes of pending data */ i64 iWriteRowid; /* Rowid for current doc being written */ int bDelete; /* Current write is a delete */ + int nContentlessDelete; /* Number of contentless delete ops */ + int nPendingRow; /* Number of INSERT in hash table */ /* Error state. */ int rc; /* Current error code */ + int flushRc; /* State used by the fts5DataXXX() functions. */ sqlite3_blob *pReader; /* RO incr-blob open on %_data table */ @@ -230944,8 +238859,11 @@ struct Fts5Index { sqlite3_stmt *pIdxWriter; /* "INSERT ... %_idx VALUES(?,?,?,?)" */ sqlite3_stmt *pIdxDeleter; /* "DELETE FROM %_idx WHERE segid=?" */ sqlite3_stmt *pIdxSelect; + sqlite3_stmt *pIdxNextSelect; int nRead; /* Total number of blocks read */ + sqlite3_stmt *pDeleteFromIdx; + sqlite3_stmt *pDataVersion; i64 iStructVersion; /* data_version when pStruct read */ Fts5Structure *pStruct; /* Current db structure (or NULL) */ @@ -230965,11 +238883,23 @@ struct Fts5DoclistIter { ** The contents of the "structure" record for each index are represented ** using an Fts5Structure record in memory. Which uses instances of the ** other Fts5StructureXXX types as components. +** +** nOriginCntr: +** This value is set to non-zero for structure records created for +** contentlessdelete=1 tables only. In that case it represents the +** origin value to apply to the next top-level segment created. */ struct Fts5StructureSegment { int iSegid; /* Segment id */ int pgnoFirst; /* First leaf page number in segment */ int pgnoLast; /* Last leaf page number in segment */ + + /* contentlessdelete=1 tables only: */ + u64 iOrigin1; + u64 iOrigin2; + int nPgTombstone; /* Number of tombstone hash table pages */ + u64 nEntryTombstone; /* Number of tombstone entries that "count" */ + u64 nEntry; /* Number of rows in this segment */ }; struct Fts5StructureLevel { int nMerge; /* Number of segments in incr-merge */ @@ -230979,6 +238909,7 @@ struct Fts5StructureLevel { struct Fts5Structure { int nRef; /* Object reference count */ u64 nWriteCounter; /* Total leaves written to level 0 */ + u64 nOriginCntr; /* Origin value for next top-level segment */ int nSegment; /* Total segments in this structure */ int nLevel; /* Number of levels in this index */ Fts5StructureLevel aLevel[1]; /* Array of nLevel level objects */ @@ -231038,9 +238969,6 @@ struct Fts5CResult { ** iLeafOffset: ** Byte offset within the current leaf that is the first byte of the ** position list data (one byte passed the position-list size field). -** rowid field of the current entry. Usually this is the size field of the -** position list data. The exception is if the rowid for the current entry -** is the last thing on the leaf page. ** ** pLeaf: ** Buffer containing current leaf page data. Set to NULL at EOF. @@ -231070,6 +238998,13 @@ struct Fts5CResult { ** ** iTermIdx: ** Index of current term on iTermLeafPgno. +** +** apTombstone/nTombstone: +** These are used for contentless_delete=1 tables only. When the cursor +** is first allocated, the apTombstone[] array is allocated so that it +** is large enough for all tombstones hash pages associated with the +** segment. The pages themselves are loaded lazily from the database as +** they are required. */ struct Fts5SegIter { Fts5StructureSegment *pSeg; /* Segment to iterate through */ @@ -231078,6 +239013,7 @@ struct Fts5SegIter { Fts5Data *pLeaf; /* Current leaf data */ Fts5Data *pNextLeaf; /* Leaf page (iLeafPgno+1) */ i64 iLeafOffset; /* Byte offset within current leaf */ + Fts5TombstoneArray *pTombArray; /* Array of tombstone pages */ /* Next method */ void (*xNext)(Fts5Index*, Fts5SegIter*, int*); @@ -231104,6 +239040,15 @@ struct Fts5SegIter { u8 bDel; /* True if the delete flag is set */ }; +/* +** Array of tombstone pages. Reference counted. +*/ +struct Fts5TombstoneArray { + int nRef; /* Number of pointers to this object */ + int nTombstone; + Fts5Data *apTombstone[1]; /* Array of tombstone pages */ +}; + /* ** Argument is a pointer to an Fts5Data structure that contains a ** leaf page. @@ -231148,9 +239093,16 @@ struct Fts5SegIter { ** poslist: ** Used by sqlite3Fts5IterPoslist() when the poslist needs to be buffered. ** There is no way to tell if this is populated or not. +** +** pColset: +** If not NULL, points to an object containing a set of column indices. +** Only matches that occur in one of these columns will be returned. +** The Fts5Iter does not own the Fts5Colset object, and so it is not +** freed when the iterator is closed - it is owned by the upper layer. */ struct Fts5Iter { Fts5IndexIter base; /* Base class containing output vars */ + Fts5TokenDataIter *pTokenDataIter; Fts5Index *pIndex; /* Index that owns this iterator */ Fts5Buffer poslist; /* Buffer containing current poslist */ @@ -231168,7 +239120,6 @@ struct Fts5Iter { Fts5SegIter aSeg[1]; /* Array of segment iterators */ }; - /* ** An instance of the following type is used to iterate through the contents ** of a doclist-index record. @@ -231207,6 +239158,60 @@ static u16 fts5GetU16(const u8 *aIn){ return ((u16)aIn[0] << 8) + aIn[1]; } +/* +** The only argument points to a buffer at least 8 bytes in size. This +** function interprets the first 8 bytes of the buffer as a 64-bit big-endian +** unsigned integer and returns the result. +*/ +static u64 fts5GetU64(u8 *a){ + return ((u64)a[0] << 56) + + ((u64)a[1] << 48) + + ((u64)a[2] << 40) + + ((u64)a[3] << 32) + + ((u64)a[4] << 24) + + ((u64)a[5] << 16) + + ((u64)a[6] << 8) + + ((u64)a[7] << 0); +} + +/* +** The only argument points to a buffer at least 4 bytes in size. This +** function interprets the first 4 bytes of the buffer as a 32-bit big-endian +** unsigned integer and returns the result. +*/ +static u32 fts5GetU32(const u8 *a){ + return ((u32)a[0] << 24) + + ((u32)a[1] << 16) + + ((u32)a[2] << 8) + + ((u32)a[3] << 0); +} + +/* +** Write iVal, formated as a 64-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU64(u8 *a, u64 iVal){ + a[0] = ((iVal >> 56) & 0xFF); + a[1] = ((iVal >> 48) & 0xFF); + a[2] = ((iVal >> 40) & 0xFF); + a[3] = ((iVal >> 32) & 0xFF); + a[4] = ((iVal >> 24) & 0xFF); + a[5] = ((iVal >> 16) & 0xFF); + a[6] = ((iVal >> 8) & 0xFF); + a[7] = ((iVal >> 0) & 0xFF); +} + +/* +** Write iVal, formated as a 32-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU32(u8 *a, u32 iVal){ + a[0] = ((iVal >> 24) & 0xFF); + a[1] = ((iVal >> 16) & 0xFF); + a[2] = ((iVal >> 8) & 0xFF); + a[3] = ((iVal >> 0) & 0xFF); +} + /* ** Allocate and return a buffer at least nByte bytes in size. ** @@ -231434,10 +239439,17 @@ static void fts5DataDelete(Fts5Index *p, i64 iFirst, i64 iLast){ /* ** Remove all records associated with segment iSegid. */ -static void fts5DataRemoveSegment(Fts5Index *p, int iSegid){ +static void fts5DataRemoveSegment(Fts5Index *p, Fts5StructureSegment *pSeg){ + int iSegid = pSeg->iSegid; i64 iFirst = FTS5_SEGMENT_ROWID(iSegid, 0); i64 iLast = FTS5_SEGMENT_ROWID(iSegid+1, 0)-1; fts5DataDelete(p, iFirst, iLast); + + if( pSeg->nPgTombstone ){ + i64 iTomb1 = FTS5_TOMBSTONE_ROWID(iSegid, 0); + i64 iTomb2 = FTS5_TOMBSTONE_ROWID(iSegid, pSeg->nPgTombstone-1); + fts5DataDelete(p, iTomb1, iTomb2); + } if( p->pIdxDeleter==0 ){ Fts5Config *pConfig = p->pConfig; fts5IndexPrepareStmt(p, &p->pIdxDeleter, sqlite3_mprintf( @@ -231548,11 +239560,19 @@ static int fts5StructureDecode( int nSegment = 0; sqlite3_int64 nByte; /* Bytes of space to allocate at pRet */ Fts5Structure *pRet = 0; /* Structure object to return */ + int bStructureV2 = 0; /* True for FTS5_STRUCTURE_V2 */ + u64 nOriginCntr = 0; /* Largest origin value seen so far */ /* Grab the cookie value */ if( piCookie ) *piCookie = sqlite3Fts5Get32(pData); i = 4; + /* Check if this is a V2 structure record. Set bStructureV2 if it is. */ + if( 0==memcmp(&pData[i], FTS5_STRUCTURE_V2, 4) ){ + i += 4; + bStructureV2 = 1; + } + /* Read the total number of levels and segments from the start of the ** structure record. */ i += fts5GetVarint32(&pData[i], nLevel); @@ -231599,9 +239619,18 @@ static int fts5StructureDecode( rc = FTS5_CORRUPT; break; } + assert( pSeg!=0 ); i += fts5GetVarint32(&pData[i], pSeg->iSegid); i += fts5GetVarint32(&pData[i], pSeg->pgnoFirst); i += fts5GetVarint32(&pData[i], pSeg->pgnoLast); + if( bStructureV2 ){ + i += fts5GetVarint(&pData[i], &pSeg->iOrigin1); + i += fts5GetVarint(&pData[i], &pSeg->iOrigin2); + i += fts5GetVarint32(&pData[i], pSeg->nPgTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntryTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntry); + nOriginCntr = MAX(nOriginCntr, pSeg->iOrigin2); + } if( pSeg->pgnoLastpgnoFirst ){ rc = FTS5_CORRUPT; break; @@ -231612,6 +239641,9 @@ static int fts5StructureDecode( } } if( nSegment!=0 && rc==SQLITE_OK ) rc = FTS5_CORRUPT; + if( bStructureV2 ){ + pRet->nOriginCntr = nOriginCntr+1; + } if( rc!=SQLITE_OK ){ fts5StructureRelease(pRet); @@ -231629,6 +239661,7 @@ static int fts5StructureDecode( */ static void fts5StructureAddLevel(int *pRc, Fts5Structure **ppStruct){ fts5StructureMakeWritable(pRc, ppStruct); + assert( (ppStruct!=0 && (*ppStruct)!=0) || (*pRc)!=SQLITE_OK ); if( *pRc==SQLITE_OK ){ Fts5Structure *pStruct = *ppStruct; int nLevel = pStruct->nLevel; @@ -231823,6 +239856,7 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ Fts5Buffer buf; /* Buffer to serialize record into */ int iLvl; /* Used to iterate through levels */ int iCookie; /* Cookie value to store */ + int nHdr = (pStruct->nOriginCntr>0 ? (4+4+9+9+9) : (4+9+9)); assert( pStruct->nSegment==fts5StructureCountSegments(pStruct) ); memset(&buf, 0, sizeof(Fts5Buffer)); @@ -231831,9 +239865,12 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ iCookie = p->pConfig->iCookie; if( iCookie<0 ) iCookie = 0; - if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, 4+9+9+9) ){ + if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, nHdr) ){ sqlite3Fts5Put32(buf.p, iCookie); buf.n = 4; + if( pStruct->nOriginCntr>0 ){ + fts5BufferSafeAppendBlob(&buf, FTS5_STRUCTURE_V2, 4); + } fts5BufferSafeAppendVarint(&buf, pStruct->nLevel); fts5BufferSafeAppendVarint(&buf, pStruct->nSegment); fts5BufferSafeAppendVarint(&buf, (i64)pStruct->nWriteCounter); @@ -231847,9 +239884,17 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ assert( pLvl->nMerge<=pLvl->nSeg ); for(iSeg=0; iSegnSeg; iSeg++){ - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].iSegid); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoFirst); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoLast); + Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iSegid); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoFirst); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoLast); + if( pStruct->nOriginCntr>0 ){ + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin1); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin2); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nPgTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntryTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntry); + } } } @@ -231992,9 +240037,9 @@ static int fts5DlidxLvlNext(Fts5DlidxLvl *pLvl){ } if( iOffnn ){ - i64 iVal; + u64 iVal; pLvl->iLeafPgno += (iOff - pLvl->iOff) + 1; - iOff += fts5GetVarint(&pData->p[iOff], (u64*)&iVal); + iOff += fts5GetVarint(&pData->p[iOff], &iVal); pLvl->iRowid += iVal; pLvl->iOff = iOff; }else{ @@ -232087,42 +240132,25 @@ static int fts5DlidxLvlPrev(Fts5DlidxLvl *pLvl){ pLvl->bEof = 1; }else{ u8 *a = pLvl->pData->p; - i64 iVal; - int iLimit; - int ii; - int nZero = 0; - /* Currently iOff points to the first byte of a varint. This block - ** decrements iOff until it points to the first byte of the previous - ** varint. Taking care not to read any memory locations that occur - ** before the buffer in memory. */ - iLimit = (iOff>9 ? iOff-9 : 0); - for(iOff--; iOff>iLimit; iOff--){ - if( (a[iOff-1] & 0x80)==0 ) break; - } + pLvl->iOff = 0; + fts5DlidxLvlNext(pLvl); + while( 1 ){ + int nZero = 0; + int ii = pLvl->iOff; + u64 delta = 0; - fts5GetVarint(&a[iOff], (u64*)&iVal); - pLvl->iRowid -= iVal; - pLvl->iLeafPgno--; - - /* Skip backwards past any 0x00 varints. */ - for(ii=iOff-1; ii>=pLvl->iFirstOff && a[ii]==0x00; ii--){ - nZero++; - } - if( ii>=pLvl->iFirstOff && (a[ii] & 0x80) ){ - /* The byte immediately before the last 0x00 byte has the 0x80 bit - ** set. So the last 0x00 is only a varint 0 if there are 8 more 0x80 - ** bytes before a[ii]. */ - int bZero = 0; /* True if last 0x00 counts */ - if( (ii-8)>=pLvl->iFirstOff ){ - int j; - for(j=1; j<=8 && (a[ii-j] & 0x80); j++); - bZero = (j>8); + while( a[ii]==0 ){ + nZero++; + ii++; } - if( bZero==0 ) nZero--; + ii += sqlite3Fts5GetVarint(&a[ii], &delta); + + if( ii>=iOff ) break; + pLvl->iLeafPgno += nZero+1; + pLvl->iRowid += delta; + pLvl->iOff = ii; } - pLvl->iLeafPgno -= nZero; - pLvl->iOff = iOff - nZero; } return pLvl->bEof; @@ -232318,7 +240346,7 @@ static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){ i64 iOff = pIter->iLeafOffset; ASSERT_SZLEAF_OK(pIter->pLeaf); - if( iOff>=pIter->pLeaf->szLeaf ){ + while( iOff>=pIter->pLeaf->szLeaf ){ fts5SegIterNextPage(p, pIter); if( pIter->pLeaf==0 ){ if( p->rc==SQLITE_OK ) p->rc = FTS5_CORRUPT; @@ -232389,6 +240417,25 @@ static void fts5SegIterSetNext(Fts5Index *p, Fts5SegIter *pIter){ } } +/* +** Allocate a tombstone hash page array object (pIter->pTombArray) for +** the iterator passed as the second argument. If an OOM error occurs, +** leave an error in the Fts5Index object. +*/ +static void fts5SegIterAllocTombstone(Fts5Index *p, Fts5SegIter *pIter){ + const int nTomb = pIter->pSeg->nPgTombstone; + if( nTomb>0 ){ + int nByte = nTomb * sizeof(Fts5Data*) + sizeof(Fts5TombstoneArray); + Fts5TombstoneArray *pNew; + pNew = (Fts5TombstoneArray*)sqlite3Fts5MallocZero(&p->rc, nByte); + if( pNew ){ + pNew->nTombstone = nTomb; + pNew->nRef = 1; + pIter->pTombArray = pNew; + } + } +} + /* ** Initialize the iterator object pIter to iterate through the entries in ** segment pSeg. The iterator is left pointing to the first entry when @@ -232417,10 +240464,12 @@ static void fts5SegIterInit( fts5SegIterSetNext(p, pIter); pIter->pSeg = pSeg; pIter->iLeafPgno = pSeg->pgnoFirst-1; - fts5SegIterNextPage(p, pIter); + do { + fts5SegIterNextPage(p, pIter); + }while( p->rc==SQLITE_OK && pIter->pLeaf && pIter->pLeaf->nn==4 ); } - if( p->rc==SQLITE_OK ){ + if( p->rc==SQLITE_OK && pIter->pLeaf ){ pIter->iLeafOffset = 4; assert( pIter->pLeaf!=0 ); assert_nc( pIter->pLeaf->nn>4 ); @@ -232428,6 +240477,7 @@ static void fts5SegIterInit( pIter->iPgidxOff = pIter->pLeaf->szLeaf+1; fts5SegIterLoadTerm(p, pIter, 0); fts5SegIterLoadNPos(p, pIter); + fts5SegIterAllocTombstone(p, pIter); } } @@ -232614,7 +240664,7 @@ static void fts5SegIterNext_None( iOff = pIter->iLeafOffset; /* Next entry is on the next page */ - if( pIter->pSeg && iOff>=pIter->pLeaf->szLeaf ){ + while( pIter->pSeg && iOff>=pIter->pLeaf->szLeaf ){ fts5SegIterNextPage(p, pIter); if( p->rc || pIter->pLeaf==0 ) return; pIter->iRowid = 0; @@ -232638,15 +240688,16 @@ static void fts5SegIterNext_None( }else{ const u8 *pList = 0; const char *zTerm = 0; + int nTerm = 0; int nList; sqlite3Fts5HashScanNext(p->pHash); - sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &pList, &nList); + sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &nTerm, &pList, &nList); if( pList==0 ) goto next_none_eof; pIter->pLeaf->p = (u8*)pList; pIter->pLeaf->nn = nList; pIter->pLeaf->szLeaf = nList; pIter->iEndofDoclist = nList; - sqlite3Fts5BufferSet(&p->rc,&pIter->term, (int)strlen(zTerm), (u8*)zTerm); + sqlite3Fts5BufferSet(&p->rc,&pIter->term, nTerm, (u8*)zTerm); pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid); } @@ -232712,11 +240763,12 @@ static void fts5SegIterNext( }else if( pIter->pSeg==0 ){ const u8 *pList = 0; const char *zTerm = 0; + int nTerm = 0; int nList = 0; assert( (pIter->flags & FTS5_SEGITER_ONETERM) || pbNewTerm ); if( 0==(pIter->flags & FTS5_SEGITER_ONETERM) ){ sqlite3Fts5HashScanNext(p->pHash); - sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &pList, &nList); + sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &nTerm, &pList, &nList); } if( pList==0 ){ fts5DataRelease(pIter->pLeaf); @@ -232726,8 +240778,7 @@ static void fts5SegIterNext( pIter->pLeaf->nn = nList; pIter->pLeaf->szLeaf = nList; pIter->iEndofDoclist = nList+1; - sqlite3Fts5BufferSet(&p->rc, &pIter->term, (int)strlen(zTerm), - (u8*)zTerm); + sqlite3Fts5BufferSet(&p->rc, &pIter->term, nTerm, (u8*)zTerm); pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid); *pbNewTerm = 1; } @@ -232807,7 +240858,7 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ Fts5Data *pLast = 0; int pgnoLast = 0; - if( pDlidx ){ + if( pDlidx && p->pConfig->iVersion==FTS5_CURRENT_VERSION ){ int iSegid = pIter->pSeg->iSegid; pgnoLast = fts5DlidxIterPgno(pDlidx); pLast = fts5LeafRead(p, FTS5_SEGMENT_ROWID(iSegid, pgnoLast)); @@ -233113,7 +241164,7 @@ static void fts5SegIterSeekInit( fts5LeafSeek(p, bGe, pIter, pTerm, nTerm); } - if( p->rc==SQLITE_OK && bGe==0 ){ + if( p->rc==SQLITE_OK && (bGe==0 || (flags & FTS5INDEX_QUERY_SCANONETERM)) ){ pIter->flags |= FTS5_SEGITER_ONETERM; if( pIter->pLeaf ){ if( flags & FTS5INDEX_QUERY_DESC ){ @@ -233129,6 +241180,9 @@ static void fts5SegIterSeekInit( } fts5SegIterSetNext(p, pIter); + if( 0==(flags & FTS5INDEX_QUERY_SCANONETERM) ){ + fts5SegIterAllocTombstone(p, pIter); + } /* Either: ** @@ -233145,6 +241199,79 @@ static void fts5SegIterSeekInit( ); } + +/* +** SQL used by fts5SegIterNextInit() to find the page to open. +*/ +static sqlite3_stmt *fts5IdxNextStmt(Fts5Index *p){ + if( p->pIdxNextSelect==0 ){ + Fts5Config *pConfig = p->pConfig; + fts5IndexPrepareStmt(p, &p->pIdxNextSelect, sqlite3_mprintf( + "SELECT pgno FROM '%q'.'%q_idx' WHERE " + "segid=? AND term>? ORDER BY term ASC LIMIT 1", + pConfig->zDb, pConfig->zName + )); + + } + return p->pIdxNextSelect; +} + +/* +** This is similar to fts5SegIterSeekInit(), except that it initializes +** the segment iterator to point to the first term following the page +** with pToken/nToken on it. +*/ +static void fts5SegIterNextInit( + Fts5Index *p, + const char *pTerm, int nTerm, + Fts5StructureSegment *pSeg, /* Description of segment */ + Fts5SegIter *pIter /* Object to populate */ +){ + int iPg = -1; /* Page of segment to open */ + int bDlidx = 0; + sqlite3_stmt *pSel = 0; /* SELECT to find iPg */ + + pSel = fts5IdxNextStmt(p); + if( pSel ){ + assert( p->rc==SQLITE_OK ); + sqlite3_bind_int(pSel, 1, pSeg->iSegid); + sqlite3_bind_blob(pSel, 2, pTerm, nTerm, SQLITE_STATIC); + + if( sqlite3_step(pSel)==SQLITE_ROW ){ + i64 val = sqlite3_column_int64(pSel, 0); + iPg = (int)(val>>1); + bDlidx = (val & 0x0001); + } + p->rc = sqlite3_reset(pSel); + sqlite3_bind_null(pSel, 2); + if( p->rc ) return; + } + + memset(pIter, 0, sizeof(*pIter)); + pIter->pSeg = pSeg; + pIter->flags |= FTS5_SEGITER_ONETERM; + if( iPg>=0 ){ + pIter->iLeafPgno = iPg - 1; + fts5SegIterNextPage(p, pIter); + fts5SegIterSetNext(p, pIter); + } + if( pIter->pLeaf ){ + const u8 *a = pIter->pLeaf->p; + int iTermOff = 0; + + pIter->iPgidxOff = pIter->pLeaf->szLeaf; + pIter->iPgidxOff += fts5GetVarint32(&a[pIter->iPgidxOff], iTermOff); + pIter->iLeafOffset = iTermOff; + fts5SegIterLoadTerm(p, pIter, 0); + fts5SegIterLoadNPos(p, pIter); + if( bDlidx ) fts5SegIterLoadDlidx(p, pIter); + + assert( p->rc!=SQLITE_OK || + fts5BufferCompareBlob(&pIter->term, (const u8*)pTerm, nTerm)>0 + ); + } +} + /* ** Initialize the object pIter to point to term pTerm/nTerm within the ** in-memory hash table. If there is no such term in the hash-table, the @@ -233171,14 +241298,21 @@ static void fts5SegIterHashInit( const u8 *pList = 0; p->rc = sqlite3Fts5HashScanInit(p->pHash, (const char*)pTerm, nTerm); - sqlite3Fts5HashScanEntry(p->pHash, (const char**)&z, &pList, &nList); - n = (z ? (int)strlen((const char*)z) : 0); + sqlite3Fts5HashScanEntry(p->pHash, (const char**)&z, &n, &pList, &nList); if( pList ){ pLeaf = fts5IdxMalloc(p, sizeof(Fts5Data)); if( pLeaf ){ pLeaf->p = (u8*)pList; } } + + /* The call to sqlite3Fts5HashScanInit() causes the hash table to + ** fill the size field of all existing position lists. This means they + ** can no longer be appended to. Since the only scenario in which they + ** can be appended to is if the previous operation on this table was + ** a DELETE, by clearing the Fts5Index.bDelete flag we can avoid this + ** possibility altogether. */ + p->bDelete = 0; }else{ p->rc = sqlite3Fts5HashQuery(p->pHash, sizeof(Fts5Data), (const char*)pTerm, nTerm, (void**)&pLeaf, &nList @@ -233209,6 +241343,37 @@ static void fts5SegIterHashInit( fts5SegIterSetNext(p, pIter); } +/* +** Array ap[] contains n elements. Release each of these elements using +** fts5DataRelease(). Then free the array itself using sqlite3_free(). +*/ +static void fts5IndexFreeArray(Fts5Data **ap, int n){ + if( ap ){ + int ii; + for(ii=0; iinRef--; + if( p->nRef<=0 ){ + int ii; + for(ii=0; iinTombstone; ii++){ + fts5DataRelease(p->apTombstone[ii]); + } + sqlite3_free(p); + } + } +} + /* ** Zero the iterator passed as the only argument. */ @@ -233216,6 +241381,7 @@ static void fts5SegIterClear(Fts5SegIter *pIter){ fts5BufferFree(&pIter->term); fts5DataRelease(pIter->pLeaf); fts5DataRelease(pIter->pNextLeaf); + fts5TombstoneArrayDelete(pIter->pTombArray); fts5DlidxIterFree(pIter->pDlidx); sqlite3_free(pIter->aRowidOffset); memset(pIter, 0, sizeof(Fts5SegIter)); @@ -233349,7 +241515,6 @@ static int fts5MultiIterDoCompare(Fts5Iter *pIter, int iOut){ assert_nc( i2!=0 ); pRes->bTermEq = 1; if( p1->iRowid==p2->iRowid ){ - p1->bDel = p2->bDel; return i2; } res = ((p1->iRowid > p2->iRowid)==pIter->bRev) ? -1 : +1; @@ -233368,7 +241533,8 @@ static int fts5MultiIterDoCompare(Fts5Iter *pIter, int iOut){ /* ** Move the seg-iter so that it points to the first rowid on page iLeafPgno. -** It is an error if leaf iLeafPgno does not exist or contains no rowids. +** It is an error if leaf iLeafPgno does not exist. Unless the db is +** a 'secure-delete' db, if it contains no rowids then this is also an error. */ static void fts5SegIterGotoPage( Fts5Index *p, /* FTS5 backend object */ @@ -233383,21 +241549,23 @@ static void fts5SegIterGotoPage( fts5DataRelease(pIter->pNextLeaf); pIter->pNextLeaf = 0; pIter->iLeafPgno = iLeafPgno-1; - fts5SegIterNextPage(p, pIter); - assert( p->rc!=SQLITE_OK || pIter->iLeafPgno==iLeafPgno ); - if( p->rc==SQLITE_OK && ALWAYS(pIter->pLeaf!=0) ){ + while( p->rc==SQLITE_OK ){ int iOff; - u8 *a = pIter->pLeaf->p; - int n = pIter->pLeaf->szLeaf; - + fts5SegIterNextPage(p, pIter); + if( pIter->pLeaf==0 ) break; iOff = fts5LeafFirstRowidOff(pIter->pLeaf); - if( iOff<4 || iOff>=n ){ - p->rc = FTS5_CORRUPT; - }else{ - iOff += fts5GetVarint(&a[iOff], (u64*)&pIter->iRowid); - pIter->iLeafOffset = iOff; - fts5SegIterLoadNPos(p, pIter); + if( iOff>0 ){ + u8 *a = pIter->pLeaf->p; + int n = pIter->pLeaf->szLeaf; + if( iOff<4 || iOff>=n ){ + p->rc = FTS5_CORRUPT; + }else{ + iOff += fts5GetVarint(&a[iOff], (u64*)&pIter->iRowid); + pIter->iLeafOffset = iOff; + fts5SegIterLoadNPos(p, pIter); + } + break; } } } @@ -233458,7 +241626,6 @@ static void fts5SegIterNextFrom( }while( p->rc==SQLITE_OK ); } - /* ** Free the iterator object passed as the second argument. */ @@ -233550,6 +241717,85 @@ static void fts5MultiIterSetEof(Fts5Iter *pIter){ pIter->iSwitchRowid = pSeg->iRowid; } +/* +** The argument to this macro must be an Fts5Data structure containing a +** tombstone hash page. This macro returns the key-size of the hash-page. +*/ +#define TOMBSTONE_KEYSIZE(pPg) (pPg->p[0]==4 ? 4 : 8) + +#define TOMBSTONE_NSLOT(pPg) \ + ((pPg->nn > 16) ? ((pPg->nn-8) / TOMBSTONE_KEYSIZE(pPg)) : 1) + +/* +** Query a single tombstone hash table for rowid iRowid. Return true if +** it is found or false otherwise. The tombstone hash table is one of +** nHashTable tables. +*/ +static int fts5IndexTombstoneQuery( + Fts5Data *pHash, /* Hash table page to query */ + int nHashTable, /* Number of pages attached to segment */ + u64 iRowid /* Rowid to query hash for */ +){ + const int szKey = TOMBSTONE_KEYSIZE(pHash); + const int nSlot = TOMBSTONE_NSLOT(pHash); + int iSlot = (iRowid / nHashTable) % nSlot; + int nCollide = nSlot; + + if( iRowid==0 ){ + return pHash->p[1]; + }else if( szKey==4 ){ + u32 *aSlot = (u32*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU32((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + }else{ + u64 *aSlot = (u64*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU64((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + } + + return 0; +} + +/* +** Return true if the iterator passed as the only argument points +** to an segment entry for which there is a tombstone. Return false +** if there is no tombstone or if the iterator is already at EOF. +*/ +static int fts5MultiIterIsDeleted(Fts5Iter *pIter){ + int iFirst = pIter->aFirst[1].iFirst; + Fts5SegIter *pSeg = &pIter->aSeg[iFirst]; + Fts5TombstoneArray *pArray = pSeg->pTombArray; + + if( pSeg->pLeaf && pArray ){ + /* Figure out which page the rowid might be present on. */ + int iPg = ((u64)pSeg->iRowid) % pArray->nTombstone; + assert( iPg>=0 ); + + /* If tombstone hash page iPg has not yet been loaded from the + ** database, load it now. */ + if( pArray->apTombstone[iPg]==0 ){ + pArray->apTombstone[iPg] = fts5DataRead(pIter->pIndex, + FTS5_TOMBSTONE_ROWID(pSeg->pSeg->iSegid, iPg) + ); + if( pArray->apTombstone[iPg]==0 ) return 0; + } + + return fts5IndexTombstoneQuery( + pArray->apTombstone[iPg], + pArray->nTombstone, + pSeg->iRowid + ); + } + + return 0; +} + /* ** Move the iterator to the next entry. ** @@ -233587,7 +241833,9 @@ static void fts5MultiIterNext( fts5AssertMultiIterSetup(p, pIter); assert( pSeg==&pIter->aSeg[pIter->aFirst[1].iFirst] && pSeg->pLeaf ); - if( pIter->bSkipEmpty==0 || pSeg->nPos ){ + if( (pIter->bSkipEmpty==0 || pSeg->nPos) + && 0==fts5MultiIterIsDeleted(pIter) + ){ pIter->xSetOutputs(pIter, pSeg); return; } @@ -233619,7 +241867,9 @@ static void fts5MultiIterNext2( } fts5AssertMultiIterSetup(p, pIter); - }while( fts5MultiIterIsEmpty(p, pIter) ); + }while( (fts5MultiIterIsEmpty(p, pIter) || fts5MultiIterIsDeleted(pIter)) + && (p->rc==SQLITE_OK) + ); } } @@ -233632,7 +241882,7 @@ static Fts5Iter *fts5MultiIterAlloc( int nSeg ){ Fts5Iter *pNew; - int nSlot; /* Power of two >= nSeg */ + i64 nSlot; /* Power of two >= nSeg */ for(nSlot=2; nSlotnSeg-1; iIter>0; iIter--){ + int iEq; + if( (iEq = fts5MultiIterDoCompare(pIter, iIter)) ){ + Fts5SegIter *pSeg = &pIter->aSeg[iEq]; + if( p->rc==SQLITE_OK ) pSeg->xNext(p, pSeg, 0); + fts5MultiIterAdvanced(p, pIter, iEq, iIter); + } + } + fts5MultiIterSetEof(pIter); + fts5AssertMultiIterSetup(p, pIter); + + if( (pIter->bSkipEmpty && fts5MultiIterIsEmpty(p, pIter)) + || fts5MultiIterIsDeleted(pIter) + ){ + fts5MultiIterNext(p, pIter, 0, 0); + }else if( pIter->base.bEof==0 ){ + Fts5SegIter *pSeg = &pIter->aSeg[pIter->aFirst[1].iFirst]; + pIter->xSetOutputs(pIter, pSeg); + } +} /* ** Allocate a new Fts5Iter object. @@ -234112,7 +242388,7 @@ static void fts5MultiIterNew( if( iLevel<0 ){ assert( pStruct->nSegment==fts5StructureCountSegments(pStruct) ); nSeg = pStruct->nSegment; - nSeg += (p->pHash ? 1 : 0); + nSeg += (p->pHash && 0==(flags & FTS5INDEX_QUERY_SKIPHASH)); }else{ nSeg = MIN(pStruct->aLevel[iLevel].nSeg, nSegment); } @@ -234133,7 +242409,7 @@ static void fts5MultiIterNew( if( p->rc==SQLITE_OK ){ if( iLevel<0 ){ Fts5StructureLevel *pEnd = &pStruct->aLevel[pStruct->nLevel]; - if( p->pHash ){ + if( p->pHash && 0==(flags & FTS5INDEX_QUERY_SKIPHASH) ){ /* Add a segment iterator for the current contents of the hash table. */ Fts5SegIter *pIter = &pNew->aSeg[iIter++]; fts5SegIterHashInit(p, pTerm, nTerm, flags, pIter); @@ -234158,29 +242434,12 @@ static void fts5MultiIterNew( assert( iIter==nSeg ); } - /* If the above was successful, each component iterators now points + /* If the above was successful, each component iterator now points ** to the first entry in its segment. In this case initialize the ** aFirst[] array. Or, if an error has occurred, free the iterator ** object and set the output variable to NULL. */ if( p->rc==SQLITE_OK ){ - for(iIter=pNew->nSeg-1; iIter>0; iIter--){ - int iEq; - if( (iEq = fts5MultiIterDoCompare(pNew, iIter)) ){ - Fts5SegIter *pSeg = &pNew->aSeg[iEq]; - if( p->rc==SQLITE_OK ) pSeg->xNext(p, pSeg, 0); - fts5MultiIterAdvanced(p, pNew, iEq, iIter); - } - } - fts5MultiIterSetEof(pNew); - fts5AssertMultiIterSetup(p, pNew); - - if( pNew->bSkipEmpty && fts5MultiIterIsEmpty(p, pNew) ){ - fts5MultiIterNext(p, pNew, 0, 0); - }else if( pNew->base.bEof==0 ){ - Fts5SegIter *pSeg = &pNew->aSeg[pNew->aFirst[1].iFirst]; - pNew->xSetOutputs(pNew, pSeg); - } - + fts5MultiIterFinishSetup(p, pNew); }else{ fts5MultiIterFree(pNew); *ppOut = 0; @@ -234205,7 +242464,6 @@ static void fts5MultiIterNew2( pNew = fts5MultiIterAlloc(p, 2); if( pNew ){ Fts5SegIter *pIter = &pNew->aSeg[1]; - pIter->flags = FTS5_SEGITER_ONETERM; if( pData->szLeaf>0 ){ pIter->pLeaf = pData; @@ -234352,7 +242610,10 @@ static void fts5IndexDiscardData(Fts5Index *p){ if( p->pHash ){ sqlite3Fts5HashClear(p->pHash); p->nPendingData = 0; + p->nPendingRow = 0; + p->flushRc = SQLITE_OK; } + p->nContentlessDelete = 0; } /* @@ -234566,7 +242827,7 @@ static void fts5WriteDlidxAppend( } if( pDlidx->bPrevValid ){ - iVal = iRowid - pDlidx->iPrev; + iVal = (u64)iRowid - (u64)pDlidx->iPrev; }else{ i64 iPgno = (i==0 ? pWriter->writer.pgno : pDlidx[-1].pgno); assert( pDlidx->buf.n==0 ); @@ -234753,7 +243014,7 @@ static void fts5WriteAppendPoslistData( const u8 *a = aData; int n = nData; - assert( p->pConfig->pgsz>0 ); + assert( p->pConfig->pgsz>0 || p->rc!=SQLITE_OK ); while( p->rc==SQLITE_OK && (pPage->buf.n + pPage->pgidx.n + n)>=p->pConfig->pgsz ){ @@ -234888,7 +243149,7 @@ static void fts5TrimSegments(Fts5Index *p, Fts5Iter *pIter){ fts5BufferAppendBlob(&p->rc, &buf, sizeof(aHdr), aHdr); fts5BufferAppendVarint(&p->rc, &buf, pSeg->term.n); fts5BufferAppendBlob(&p->rc, &buf, pSeg->term.n, pSeg->term.p); - fts5BufferAppendBlob(&p->rc, &buf, pData->szLeaf-iOff,&pData->p[iOff]); + fts5BufferAppendBlob(&p->rc, &buf,pData->szLeaf-iOff,&pData->p[iOff]); if( p->rc==SQLITE_OK ){ /* Set the szLeaf field */ fts5PutU16(&buf.p[2], (u16)buf.n); @@ -234989,6 +243250,12 @@ static void fts5IndexMergeLevel( /* Read input from all segments in the input level */ nInput = pLvl->nSeg; + + /* Set the range of origins that will go into the output segment. */ + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pLvl->aSeg[0].iOrigin1; + pSeg->iOrigin2 = pLvl->aSeg[pLvl->nSeg-1].iOrigin2; + } } bOldest = (pLvlOut->nSeg==1 && pStruct->nLevel==iLvl+2); @@ -235048,8 +243315,11 @@ static void fts5IndexMergeLevel( int i; /* Remove the redundant segments from the %_data table */ + assert( pSeg->nEntry==0 ); for(i=0; iaSeg[i].iSegid); + Fts5StructureSegment *pOld = &pLvl->aSeg[i]; + pSeg->nEntry += (pOld->nEntry - pOld->nEntryTombstone); + fts5DataRemoveSegment(p, pOld); } /* Remove the redundant segments from the input level */ @@ -235075,6 +243345,43 @@ static void fts5IndexMergeLevel( if( pnRem ) *pnRem -= writer.nLeafWritten; } +/* +** If this is not a contentless_delete=1 table, or if the 'deletemerge' +** configuration option is set to 0, then this function always returns -1. +** Otherwise, it searches the structure object passed as the second argument +** for a level suitable for merging due to having a large number of +** tombstones in the tombstone hash. If one is found, its index is returned. +** Otherwise, if there is no suitable level, -1. +*/ +static int fts5IndexFindDeleteMerge(Fts5Index *p, Fts5Structure *pStruct){ + Fts5Config *pConfig = p->pConfig; + int iRet = -1; + if( pConfig->bContentlessDelete && pConfig->nDeleteMerge>0 ){ + int ii; + int nBest = 0; + + for(ii=0; iinLevel; ii++){ + Fts5StructureLevel *pLvl = &pStruct->aLevel[ii]; + i64 nEntry = 0; + i64 nTomb = 0; + int iSeg; + for(iSeg=0; iSegnSeg; iSeg++){ + nEntry += pLvl->aSeg[iSeg].nEntry; + nTomb += pLvl->aSeg[iSeg].nEntryTombstone; + } + assert_nc( nEntry>0 || pLvl->nSeg==0 ); + if( nEntry>0 ){ + int nPercent = (nTomb * 100) / nEntry; + if( nPercent>=pConfig->nDeleteMerge && nPercent>nBest ){ + iRet = ii; + nBest = nPercent; + } + } + } + } + return iRet; +} + /* ** Do up to nPg pages of automerge work on the index. ** @@ -235094,14 +243401,15 @@ static int fts5IndexMerge( int iBestLvl = 0; /* Level offering the most input segments */ int nBest = 0; /* Number of input segments on best level */ - /* Set iBestLvl to the level to read input segments from. */ + /* Set iBestLvl to the level to read input segments from. Or to -1 if + ** there is no level suitable to merge segments from. */ assert( pStruct->nLevel>0 ); for(iLvl=0; iLvlnLevel; iLvl++){ Fts5StructureLevel *pLvl = &pStruct->aLevel[iLvl]; if( pLvl->nMerge ){ if( pLvl->nMerge>nBest ){ iBestLvl = iLvl; - nBest = pLvl->nMerge; + nBest = nMin; } break; } @@ -235110,22 +243418,18 @@ static int fts5IndexMerge( iBestLvl = iLvl; } } - - /* If nBest is still 0, then the index must be empty. */ -#ifdef SQLITE_DEBUG - for(iLvl=0; nBest==0 && iLvlnLevel; iLvl++){ - assert( pStruct->aLevel[iLvl].nSeg==0 ); + if( nBestaLevel[iBestLvl].nMerge==0 ){ - break; - } + if( iBestLvl<0 ) break; bRet = 1; fts5IndexMergeLevel(p, &pStruct, iBestLvl, &nRem); if( p->rc==SQLITE_OK && pStruct->aLevel[iBestLvl].nMerge==0 ){ fts5StructurePromote(p, iBestLvl+1, pStruct); } + + if( nMin==1 ) nMin = 2; } *ppStruct = pStruct; return bRet; @@ -235166,16 +243470,16 @@ static void fts5IndexCrisismerge( ){ const int nCrisis = p->pConfig->nCrisisMerge; Fts5Structure *pStruct = *ppStruct; - int iLvl = 0; - - assert( p->rc!=SQLITE_OK || pStruct->nLevel>0 ); - while( p->rc==SQLITE_OK && pStruct->aLevel[iLvl].nSeg>=nCrisis ){ - fts5IndexMergeLevel(p, &pStruct, iLvl, 0); - assert( p->rc!=SQLITE_OK || pStruct->nLevel>(iLvl+1) ); - fts5StructurePromote(p, iLvl+1, pStruct); - iLvl++; + if( pStruct && pStruct->nLevel>0 ){ + int iLvl = 0; + while( p->rc==SQLITE_OK && pStruct->aLevel[iLvl].nSeg>=nCrisis ){ + fts5IndexMergeLevel(p, &pStruct, iLvl, 0); + assert( p->rc!=SQLITE_OK || pStruct->nLevel>(iLvl+1) ); + fts5StructurePromote(p, iLvl+1, pStruct); + iLvl++; + } + *ppStruct = pStruct; } - *ppStruct = pStruct; } static int fts5IndexReturn(Fts5Index *p){ @@ -235209,6 +243513,469 @@ static int fts5PoslistPrefix(const u8 *aBuf, int nMax){ return ret; } +/* +** Execute the SQL statement: +** +** DELETE FROM %_idx WHERE (segid, (pgno/2)) = ($iSegid, $iPgno); +** +** This is used when a secure-delete operation removes the last term +** from a segment leaf page. In that case the %_idx entry is removed +** too. This is done to ensure that if all instances of a token are +** removed from an fts5 database in secure-delete mode, no trace of +** the token itself remains in the database. +*/ +static void fts5SecureDeleteIdxEntry( + Fts5Index *p, /* FTS5 backend object */ + int iSegid, /* Id of segment to delete entry for */ + int iPgno /* Page number within segment */ +){ + if( iPgno!=1 ){ + assert( p->pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE ); + if( p->pDeleteFromIdx==0 ){ + fts5IndexPrepareStmt(p, &p->pDeleteFromIdx, sqlite3_mprintf( + "DELETE FROM '%q'.'%q_idx' WHERE (segid, (pgno/2)) = (?1, ?2)", + p->pConfig->zDb, p->pConfig->zName + )); + } + if( p->rc==SQLITE_OK ){ + sqlite3_bind_int(p->pDeleteFromIdx, 1, iSegid); + sqlite3_bind_int(p->pDeleteFromIdx, 2, iPgno); + sqlite3_step(p->pDeleteFromIdx); + p->rc = sqlite3_reset(p->pDeleteFromIdx); + } + } +} + +/* +** This is called when a secure-delete operation removes a position-list +** that overflows onto segment page iPgno of segment pSeg. This function +** rewrites node iPgno, and possibly one or more of its right-hand peers, +** to remove this portion of the position list. +** +** Output variable (*pbLastInDoclist) is set to true if the position-list +** removed is followed by a new term or the end-of-segment, or false if +** it is followed by another rowid/position list. +*/ +static void fts5SecureDeleteOverflow( + Fts5Index *p, + Fts5StructureSegment *pSeg, + int iPgno, + int *pbLastInDoclist +){ + const int bDetailNone = (p->pConfig->eDetail==FTS5_DETAIL_NONE); + int pgno; + Fts5Data *pLeaf = 0; + assert( iPgno!=1 ); + + *pbLastInDoclist = 1; + for(pgno=iPgno; p->rc==SQLITE_OK && pgno<=pSeg->pgnoLast; pgno++){ + i64 iRowid = FTS5_SEGMENT_ROWID(pSeg->iSegid, pgno); + int iNext = 0; + u8 *aPg = 0; + + pLeaf = fts5DataRead(p, iRowid); + if( pLeaf==0 ) break; + aPg = pLeaf->p; + + iNext = fts5GetU16(&aPg[0]); + if( iNext!=0 ){ + *pbLastInDoclist = 0; + } + if( iNext==0 && pLeaf->szLeaf!=pLeaf->nn ){ + fts5GetVarint32(&aPg[pLeaf->szLeaf], iNext); + } + + if( iNext==0 ){ + /* The page contains no terms or rowids. Replace it with an empty + ** page and move on to the right-hand peer. */ + const u8 aEmpty[] = {0x00, 0x00, 0x00, 0x04}; + assert_nc( bDetailNone==0 || pLeaf->nn==4 ); + if( bDetailNone==0 ) fts5DataWrite(p, iRowid, aEmpty, sizeof(aEmpty)); + fts5DataRelease(pLeaf); + pLeaf = 0; + }else if( bDetailNone ){ + break; + }else if( iNext>=pLeaf->szLeaf || pLeaf->nnszLeaf || iNext<4 ){ + p->rc = FTS5_CORRUPT; + break; + }else{ + int nShift = iNext - 4; + int nPg; + + int nIdx = 0; + u8 *aIdx = 0; + + /* Unless the current page footer is 0 bytes in size (in which case + ** the new page footer will be as well), allocate and populate a + ** buffer containing the new page footer. Set stack variables aIdx + ** and nIdx accordingly. */ + if( pLeaf->nn>pLeaf->szLeaf ){ + int iFirst = 0; + int i1 = pLeaf->szLeaf; + int i2 = 0; + + i1 += fts5GetVarint32(&aPg[i1], iFirst); + if( iFirstrc = FTS5_CORRUPT; + break; + } + aIdx = sqlite3Fts5MallocZero(&p->rc, (pLeaf->nn-pLeaf->szLeaf)+2); + if( aIdx==0 ) break; + i2 = sqlite3Fts5PutVarint(aIdx, iFirst-nShift); + if( i1nn ){ + memcpy(&aIdx[i2], &aPg[i1], pLeaf->nn-i1); + i2 += (pLeaf->nn-i1); + } + nIdx = i2; + } + + /* Modify the contents of buffer aPg[]. Set nPg to the new size + ** in bytes. The new page is always smaller than the old. */ + nPg = pLeaf->szLeaf - nShift; + memmove(&aPg[4], &aPg[4+nShift], nPg-4); + fts5PutU16(&aPg[2], nPg); + if( fts5GetU16(&aPg[0]) ) fts5PutU16(&aPg[0], 4); + if( nIdx>0 ){ + memcpy(&aPg[nPg], aIdx, nIdx); + nPg += nIdx; + } + sqlite3_free(aIdx); + + /* Write the new page to disk and exit the loop */ + assert( nPg>4 || fts5GetU16(aPg)==0 ); + fts5DataWrite(p, iRowid, aPg, nPg); + break; + } + } + fts5DataRelease(pLeaf); +} + +/* +** Completely remove the entry that pSeg currently points to from +** the database. +*/ +static void fts5DoSecureDelete( + Fts5Index *p, + Fts5SegIter *pSeg +){ + const int bDetailNone = (p->pConfig->eDetail==FTS5_DETAIL_NONE); + int iSegid = pSeg->pSeg->iSegid; + u8 *aPg = pSeg->pLeaf->p; + int nPg = pSeg->pLeaf->nn; + int iPgIdx = pSeg->pLeaf->szLeaf; + + u64 iDelta = 0; + int iNextOff = 0; + int iOff = 0; + int nIdx = 0; + u8 *aIdx = 0; + int bLastInDoclist = 0; + int iIdx = 0; + int iStart = 0; + int iDelKeyOff = 0; /* Offset of deleted key, if any */ + + nIdx = nPg-iPgIdx; + aIdx = sqlite3Fts5MallocZero(&p->rc, nIdx+16); + if( p->rc ) return; + memcpy(aIdx, &aPg[iPgIdx], nIdx); + + /* At this point segment iterator pSeg points to the entry + ** this function should remove from the b-tree segment. + ** + ** In detail=full or detail=column mode, pSeg->iLeafOffset is the + ** offset of the first byte in the position-list for the entry to + ** remove. Immediately before this comes two varints that will also + ** need to be removed: + ** + ** + the rowid or delta rowid value for the entry, and + ** + the size of the position list in bytes. + ** + ** Or, in detail=none mode, there is a single varint prior to + ** pSeg->iLeafOffset - the rowid or delta rowid value. + ** + ** This block sets the following variables: + ** + ** iStart: + ** The offset of the first byte of the rowid or delta-rowid + ** value for the doclist entry being removed. + ** + ** iDelta: + ** The value of the rowid or delta-rowid value for the doclist + ** entry being removed. + ** + ** iNextOff: + ** The offset of the next entry following the position list + ** for the one being removed. If the position list for this + ** entry overflows onto the next leaf page, this value will be + ** greater than pLeaf->szLeaf. + */ + { + int iSOP; /* Start-Of-Position-list */ + if( pSeg->iLeafPgno==pSeg->iTermLeafPgno ){ + iStart = pSeg->iTermLeafOffset; + }else{ + iStart = fts5GetU16(&aPg[0]); + } + + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + assert_nc( iSOP<=pSeg->iLeafOffset ); + + if( bDetailNone ){ + while( iSOPiLeafOffset ){ + if( aPg[iSOP]==0x00 ) iSOP++; + if( aPg[iSOP]==0x00 ) iSOP++; + iStart = iSOP; + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + } + + iNextOff = iSOP; + if( iNextOffiEndofDoclist && aPg[iNextOff]==0x00 ) iNextOff++; + if( iNextOffiEndofDoclist && aPg[iNextOff]==0x00 ) iNextOff++; + + }else{ + int nPos = 0; + iSOP += fts5GetVarint32(&aPg[iSOP], nPos); + while( iSOPiLeafOffset ){ + iStart = iSOP + (nPos/2); + iSOP = iStart + fts5GetVarint(&aPg[iStart], &iDelta); + iSOP += fts5GetVarint32(&aPg[iSOP], nPos); + } + assert_nc( iSOP==pSeg->iLeafOffset ); + iNextOff = pSeg->iLeafOffset + pSeg->nPos; + } + } + + iOff = iStart; + + /* If the position-list for the entry being removed flows over past + ** the end of this page, delete the portion of the position-list on the + ** next page and beyond. + ** + ** Set variable bLastInDoclist to true if this entry happens + ** to be the last rowid in the doclist for its term. */ + if( iNextOff>=iPgIdx ){ + int pgno = pSeg->iLeafPgno+1; + fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist); + iNextOff = iPgIdx; + } + + if( pSeg->bDel==0 ){ + if( iNextOff!=iPgIdx ){ + /* Loop through the page-footer. If iNextOff (offset of the + ** entry following the one we are removing) is equal to the + ** offset of a key on this page, then the entry is the last + ** in its doclist. */ + int iKeyOff = 0; + for(iIdx=0; iIdxbDel ){ + iOff += sqlite3Fts5PutVarint(&aPg[iOff], iDelta); + aPg[iOff++] = 0x01; + }else if( bLastInDoclist==0 ){ + if( iNextOff!=iPgIdx ){ + u64 iNextDelta = 0; + iNextOff += fts5GetVarint(&aPg[iNextOff], &iNextDelta); + iOff += sqlite3Fts5PutVarint(&aPg[iOff], iDelta + iNextDelta); + } + }else if( + pSeg->iLeafPgno==pSeg->iTermLeafPgno + && iStart==pSeg->iTermLeafOffset + ){ + /* The entry being removed was the only position list in its + ** doclist. Therefore the term needs to be removed as well. */ + int iKey = 0; + int iKeyOff = 0; + + /* Set iKeyOff to the offset of the term that will be removed - the + ** last offset in the footer that is not greater than iStart. */ + for(iIdx=0; iIdx(u32)iStart ) break; + iKeyOff += iVal; + } + assert_nc( iKey>=1 ); + + /* Set iDelKeyOff to the value of the footer entry to remove from + ** the page. */ + iDelKeyOff = iOff = iKeyOff; + + if( iNextOff!=iPgIdx ){ + /* This is the only position-list associated with the term, and there + ** is another term following it on this page. So the subsequent term + ** needs to be moved to replace the term associated with the entry + ** being removed. */ + int nPrefix = 0; + int nSuffix = 0; + int nPrefix2 = 0; + int nSuffix2 = 0; + + iDelKeyOff = iNextOff; + iNextOff += fts5GetVarint32(&aPg[iNextOff], nPrefix2); + iNextOff += fts5GetVarint32(&aPg[iNextOff], nSuffix2); + + if( iKey!=1 ){ + iKeyOff += fts5GetVarint32(&aPg[iKeyOff], nPrefix); + } + iKeyOff += fts5GetVarint32(&aPg[iKeyOff], nSuffix); + + nPrefix = MIN(nPrefix, nPrefix2); + nSuffix = (nPrefix2 + nSuffix2) - nPrefix; + + if( (iKeyOff+nSuffix)>iPgIdx || (iNextOff+nSuffix2)>iPgIdx ){ + p->rc = FTS5_CORRUPT; + }else{ + if( iKey!=1 ){ + iOff += sqlite3Fts5PutVarint(&aPg[iOff], nPrefix); + } + iOff += sqlite3Fts5PutVarint(&aPg[iOff], nSuffix); + if( nPrefix2>pSeg->term.n ){ + p->rc = FTS5_CORRUPT; + }else if( nPrefix2>nPrefix ){ + memcpy(&aPg[iOff], &pSeg->term.p[nPrefix], nPrefix2-nPrefix); + iOff += (nPrefix2-nPrefix); + } + memmove(&aPg[iOff], &aPg[iNextOff], nSuffix2); + iOff += nSuffix2; + iNextOff += nSuffix2; + } + } + }else if( iStart==4 ){ + int iPgno; + + assert_nc( pSeg->iLeafPgno>pSeg->iTermLeafPgno ); + /* The entry being removed may be the only position list in + ** its doclist. */ + for(iPgno=pSeg->iLeafPgno-1; iPgno>pSeg->iTermLeafPgno; iPgno-- ){ + Fts5Data *pPg = fts5DataRead(p, FTS5_SEGMENT_ROWID(iSegid, iPgno)); + int bEmpty = (pPg && pPg->nn==4); + fts5DataRelease(pPg); + if( bEmpty==0 ) break; + } + + if( iPgno==pSeg->iTermLeafPgno ){ + i64 iId = FTS5_SEGMENT_ROWID(iSegid, pSeg->iTermLeafPgno); + Fts5Data *pTerm = fts5DataRead(p, iId); + if( pTerm && pTerm->szLeaf==pSeg->iTermLeafOffset ){ + u8 *aTermIdx = &pTerm->p[pTerm->szLeaf]; + int nTermIdx = pTerm->nn - pTerm->szLeaf; + int iTermIdx = 0; + int iTermOff = 0; + + while( 1 ){ + u32 iVal = 0; + int nByte = fts5GetVarint32(&aTermIdx[iTermIdx], iVal); + iTermOff += iVal; + if( (iTermIdx+nByte)>=nTermIdx ) break; + iTermIdx += nByte; + } + nTermIdx = iTermIdx; + + memmove(&pTerm->p[iTermOff], &pTerm->p[pTerm->szLeaf], nTermIdx); + fts5PutU16(&pTerm->p[2], iTermOff); + + fts5DataWrite(p, iId, pTerm->p, iTermOff+nTermIdx); + if( nTermIdx==0 ){ + fts5SecureDeleteIdxEntry(p, iSegid, pSeg->iTermLeafPgno); + } + } + fts5DataRelease(pTerm); + } + } + + /* Assuming no error has occurred, this block does final edits to the + ** leaf page before writing it back to disk. Input variables are: + ** + ** nPg: Total initial size of leaf page. + ** iPgIdx: Initial offset of page footer. + ** + ** iOff: Offset to move data to + ** iNextOff: Offset to move data from + */ + if( p->rc==SQLITE_OK ){ + const int nMove = nPg - iNextOff; /* Number of bytes to move */ + int nShift = iNextOff - iOff; /* Distance to move them */ + + int iPrevKeyOut = 0; + int iKeyIn = 0; + + memmove(&aPg[iOff], &aPg[iNextOff], nMove); + iPgIdx -= nShift; + nPg = iPgIdx; + fts5PutU16(&aPg[2], iPgIdx); + + for(iIdx=0; iIdxiOff ? nShift : 0)); + nPg += sqlite3Fts5PutVarint(&aPg[nPg], iKeyOut - iPrevKeyOut); + iPrevKeyOut = iKeyOut; + } + } + + if( iPgIdx==nPg && nIdx>0 && pSeg->iLeafPgno!=1 ){ + fts5SecureDeleteIdxEntry(p, iSegid, pSeg->iLeafPgno); + } + + assert_nc( nPg>4 || fts5GetU16(aPg)==0 ); + fts5DataWrite(p, FTS5_SEGMENT_ROWID(iSegid,pSeg->iLeafPgno), aPg, nPg); + } + sqlite3_free(aIdx); +} + +/* +** This is called as part of flushing a delete to disk in 'secure-delete' +** mode. It edits the segments within the database described by argument +** pStruct to remove the entries for term zTerm, rowid iRowid. +*/ +static void fts5FlushSecureDelete( + Fts5Index *p, + Fts5Structure *pStruct, + const char *zTerm, + int nTerm, + i64 iRowid +){ + const int f = FTS5INDEX_QUERY_SKIPHASH; + Fts5Iter *pIter = 0; /* Used to find term instance */ + + fts5MultiIterNew(p, pStruct, f, 0, (const u8*)zTerm, nTerm, -1, 0, &pIter); + if( fts5MultiIterEof(p, pIter)==0 ){ + i64 iThis = fts5MultiIterRowid(pIter); + if( iThisrc==SQLITE_OK + && fts5MultiIterEof(p, pIter)==0 + && iRowid==fts5MultiIterRowid(pIter) + ){ + Fts5SegIter *pSeg = &pIter->aSeg[pIter->aFirst[1].iFirst]; + fts5DoSecureDelete(p, pSeg); + } + } + + fts5MultiIterFree(pIter); +} + + /* ** Flush the contents of in-memory hash table iHash to a new level-0 ** segment on disk. Also update the corresponding structure record. @@ -235225,143 +243992,197 @@ static void fts5FlushOneHash(Fts5Index *p){ /* Obtain a reference to the index structure and allocate a new segment-id ** for the new level-0 segment. */ pStruct = fts5StructureRead(p); - iSegid = fts5AllocateSegid(p, pStruct); fts5StructureInvalidate(p); - if( iSegid ){ - const int pgsz = p->pConfig->pgsz; - int eDetail = p->pConfig->eDetail; - Fts5StructureSegment *pSeg; /* New segment within pStruct */ - Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ - Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ + if( sqlite3Fts5HashIsEmpty(pHash)==0 ){ + iSegid = fts5AllocateSegid(p, pStruct); + if( iSegid ){ + const int pgsz = p->pConfig->pgsz; + int eDetail = p->pConfig->eDetail; + int bSecureDelete = p->pConfig->bSecureDelete; + Fts5StructureSegment *pSeg; /* New segment within pStruct */ + Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ + Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ - Fts5SegWriter writer; - fts5WriteInit(p, &writer, iSegid); + Fts5SegWriter writer; + fts5WriteInit(p, &writer, iSegid); - pBuf = &writer.writer.buf; - pPgidx = &writer.writer.pgidx; + pBuf = &writer.writer.buf; + pPgidx = &writer.writer.pgidx; - /* fts5WriteInit() should have initialized the buffers to (most likely) - ** the maximum space required. */ - assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); - assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + /* fts5WriteInit() should have initialized the buffers to (most likely) + ** the maximum space required. */ + assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); - /* Begin scanning through hash table entries. This loop runs once for each - ** term/doclist currently stored within the hash table. */ - if( p->rc==SQLITE_OK ){ - p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); - } - while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ - const char *zTerm; /* Buffer containing term */ - const u8 *pDoclist; /* Pointer to doclist for this term */ - int nDoclist; /* Size of doclist in bytes */ + /* Begin scanning through hash table entries. This loop runs once for each + ** term/doclist currently stored within the hash table. */ + if( p->rc==SQLITE_OK ){ + p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); + } + while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ + const char *zTerm; /* Buffer containing term */ + int nTerm; /* Size of zTerm in bytes */ + const u8 *pDoclist; /* Pointer to doclist for this term */ + int nDoclist; /* Size of doclist in bytes */ - /* Write the term for this entry to disk. */ - sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist); - fts5WriteAppendTerm(p, &writer, (int)strlen(zTerm), (const u8*)zTerm); - if( p->rc!=SQLITE_OK ) break; + /* Get the term and doclist for this entry. */ + sqlite3Fts5HashScanEntry(pHash, &zTerm, &nTerm, &pDoclist, &nDoclist); + if( bSecureDelete==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + if( p->rc!=SQLITE_OK ) break; + assert( writer.bFirstRowidInPage==0 ); + } - assert( writer.bFirstRowidInPage==0 ); - if( pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){ - /* The entire doclist will fit on the current leaf. */ - fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); - }else{ - i64 iRowid = 0; - u64 iDelta = 0; - int iOff = 0; + if( !bSecureDelete && pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){ + /* The entire doclist will fit on the current leaf. */ + fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); + }else{ + int bTermWritten = !bSecureDelete; + i64 iRowid = 0; + i64 iPrev = 0; + int iOff = 0; - /* The entire doclist will not fit on this leaf. The following - ** loop iterates through the poslists that make up the current - ** doclist. */ - while( p->rc==SQLITE_OK && iOffrc==SQLITE_OK && iOffp[0], (u16)pBuf->n); /* first rowid on page */ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); - writer.bFirstRowidInPage = 0; - fts5WriteDlidxAppend(p, &writer, iRowid); + /* If in secure delete mode, and if this entry in the poslist is + ** in fact a delete, then edit the existing segments directly + ** using fts5FlushSecureDelete(). */ + if( bSecureDelete ){ + if( eDetail==FTS5_DETAIL_NONE ){ + if( iOffrc!=SQLITE_OK || pDoclist[iOff]==0x01 ){ + iOff++; + continue; + } + } + } + + if( p->rc==SQLITE_OK && bTermWritten==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + bTermWritten = 1; + assert( p->rc!=SQLITE_OK || writer.bFirstRowidInPage==0 ); + } + + if( writer.bFirstRowidInPage ){ + fts5PutU16(&pBuf->p[0], (u16)pBuf->n); /* first rowid on page */ + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); + writer.bFirstRowidInPage = 0; + fts5WriteDlidxAppend(p, &writer, iRowid); + }else{ + u64 iRowidDelta = (u64)iRowid - (u64)iPrev; + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowidDelta); + } if( p->rc!=SQLITE_OK ) break; - }else{ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iDelta); - } - assert( pBuf->n<=pBuf->nSpace ); + assert( pBuf->n<=pBuf->nSpace ); + iPrev = iRowid; - if( eDetail==FTS5_DETAIL_NONE ){ - if( iOffp[pBuf->n++] = 0; - iOff++; + if( eDetail==FTS5_DETAIL_NONE ){ if( iOffp[pBuf->n++] = 0; iOff++; + if( iOffp[pBuf->n++] = 0; + iOff++; + } + } + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); } - } - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); - } - }else{ - int bDummy; - int nPos; - int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDummy); - nCopy += nPos; - if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ - /* The entire poslist will fit on the current leaf. So copy - ** it in one go. */ - fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); }else{ - /* The entire poslist will not fit on this leaf. So it needs - ** to be broken into sections. The only qualification being - ** that each varint must be stored contiguously. */ - const u8 *pPoslist = &pDoclist[iOff]; - int iPos = 0; - while( p->rc==SQLITE_OK ){ - int nSpace = pgsz - pBuf->n - pPgidx->n; - int n = 0; - if( (nCopy - iPos)<=nSpace ){ - n = nCopy - iPos; - }else{ - n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); - } - assert( n>0 ); - fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); - iPos += n; - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); - } - if( iPos>=nCopy ) break; + int bDel = 0; + int nPos = 0; + int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDel); + if( bDel && bSecureDelete ){ + fts5BufferAppendVarint(&p->rc, pBuf, nPos*2); + iOff += nCopy; + nCopy = nPos; + }else{ + nCopy += nPos; } + if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ + /* The entire poslist will fit on the current leaf. So copy + ** it in one go. */ + fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); + }else{ + /* The entire poslist will not fit on this leaf. So it needs + ** to be broken into sections. The only qualification being + ** that each varint must be stored contiguously. */ + const u8 *pPoslist = &pDoclist[iOff]; + int iPos = 0; + while( p->rc==SQLITE_OK ){ + int nSpace = pgsz - pBuf->n - pPgidx->n; + int n = 0; + if( (nCopy - iPos)<=nSpace ){ + n = nCopy - iPos; + }else{ + n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); + } + assert( n>0 ); + fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); + iPos += n; + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); + } + if( iPos>=nCopy ) break; + } + } + iOff += nCopy; } - iOff += nCopy; } } + + /* TODO2: Doclist terminator written here. */ + /* pBuf->p[pBuf->n++] = '\0'; */ + assert( pBuf->n<=pBuf->nSpace ); + if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); } + fts5WriteFinish(p, &writer, &pgnoLast); - /* TODO2: Doclist terminator written here. */ - /* pBuf->p[pBuf->n++] = '\0'; */ - assert( pBuf->n<=pBuf->nSpace ); - if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); + assert( p->rc!=SQLITE_OK || bSecureDelete || pgnoLast>0 ); + if( pgnoLast>0 ){ + /* Update the Fts5Structure. It is written back to the database by the + ** fts5StructureRelease() call below. */ + if( pStruct->nLevel==0 ){ + fts5StructureAddLevel(&p->rc, &pStruct); + } + fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); + if( p->rc==SQLITE_OK ){ + pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; + pSeg->iSegid = iSegid; + pSeg->pgnoFirst = 1; + pSeg->pgnoLast = pgnoLast; + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pStruct->nOriginCntr; + pSeg->iOrigin2 = pStruct->nOriginCntr; + pSeg->nEntry = p->nPendingRow; + pStruct->nOriginCntr++; + } + pStruct->nSegment++; + } + fts5StructurePromote(p, 0, pStruct); + } } - sqlite3Fts5HashClear(pHash); - fts5WriteFinish(p, &writer, &pgnoLast); - - /* Update the Fts5Structure. It is written back to the database by the - ** fts5StructureRelease() call below. */ - if( pStruct->nLevel==0 ){ - fts5StructureAddLevel(&p->rc, &pStruct); - } - fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); - if( p->rc==SQLITE_OK ){ - pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; - pSeg->iSegid = iSegid; - pSeg->pgnoFirst = 1; - pSeg->pgnoLast = pgnoLast; - pStruct->nSegment++; - } - fts5StructurePromote(p, 0, pStruct); } - fts5IndexAutomerge(p, &pStruct, pgnoLast); + fts5IndexAutomerge(p, &pStruct, pgnoLast + p->nContentlessDelete); fts5IndexCrisismerge(p, &pStruct); fts5StructureWrite(p, pStruct); fts5StructureRelease(pStruct); @@ -235372,10 +244193,21 @@ static void fts5FlushOneHash(Fts5Index *p){ */ static void fts5IndexFlush(Fts5Index *p){ /* Unless it is empty, flush the hash table to disk */ - if( p->nPendingData ){ + if( p->flushRc ){ + p->rc = p->flushRc; + return; + } + if( p->nPendingData || p->nContentlessDelete ){ assert( p->pHash ); - p->nPendingData = 0; fts5FlushOneHash(p); + if( p->rc==SQLITE_OK ){ + sqlite3Fts5HashClear(p->pHash); + p->nPendingData = 0; + p->nPendingRow = 0; + p->nContentlessDelete = 0; + }else if( p->nPendingData || p->nContentlessDelete ){ + p->flushRc = p->rc; + } } } @@ -235391,17 +244223,22 @@ static Fts5Structure *fts5IndexOptimizeStruct( /* Figure out if this structure requires optimization. A structure does ** not require optimization if either: ** - ** + it consists of fewer than two segments, or - ** + all segments are on the same level, or - ** + all segments except one are currently inputs to a merge operation. + ** 1. it consists of fewer than two segments, or + ** 2. all segments are on the same level, or + ** 3. all segments except one are currently inputs to a merge operation. ** - ** In the first case, return NULL. In the second, increment the ref-count - ** on *pStruct and return a copy of the pointer to it. + ** In the first case, if there are no tombstone hash pages, return NULL. In + ** the second, increment the ref-count on *pStruct and return a copy of the + ** pointer to it. */ - if( nSeg<2 ) return 0; + if( nSeg==0 ) return 0; for(i=0; inLevel; i++){ int nThis = pStruct->aLevel[i].nSeg; - if( nThis==nSeg || (nThis==nSeg-1 && pStruct->aLevel[i].nMerge==nThis) ){ + int nMerge = pStruct->aLevel[i].nMerge; + if( nThis>0 && (nThis==nSeg || (nThis==nSeg-1 && nMerge==nThis)) ){ + if( nSeg==1 && nThis==1 && pStruct->aLevel[i].aSeg[0].nPgTombstone==0 ){ + return 0; + } fts5StructureRef(pStruct); return pStruct; } @@ -235417,6 +244254,7 @@ static Fts5Structure *fts5IndexOptimizeStruct( pNew->nLevel = MIN(pStruct->nLevel+1, FTS5_MAX_LEVEL); pNew->nRef = 1; pNew->nWriteCounter = pStruct->nWriteCounter; + pNew->nOriginCntr = pStruct->nOriginCntr; pLvl = &pNew->aLevel[pNew->nLevel-1]; pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&p->rc, nByte); if( pLvl->aSeg ){ @@ -235447,7 +244285,9 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ assert( p->rc==SQLITE_OK ); fts5IndexFlush(p); + assert( p->rc!=SQLITE_OK || p->nContentlessDelete==0 ); pStruct = fts5StructureRead(p); + assert( p->rc!=SQLITE_OK || pStruct!=0 ); fts5StructureInvalidate(p); if( pStruct ){ @@ -235476,7 +244316,10 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ ** INSERT command. */ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ - Fts5Structure *pStruct = fts5StructureRead(p); + Fts5Structure *pStruct = 0; + + fts5IndexFlush(p); + pStruct = fts5StructureRead(p); if( pStruct ){ int nMin = p->pConfig->nUsermerge; fts5StructureInvalidate(p); @@ -235484,7 +244327,7 @@ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ Fts5Structure *pNew = fts5IndexOptimizeStruct(p, pStruct); fts5StructureRelease(pStruct); pStruct = pNew; - nMin = 2; + nMin = 1; nMerge = nMerge*-1; } if( pStruct && pStruct->nLevel ){ @@ -235850,7 +244693,7 @@ static void fts5SetupPrefixIter( u8 *pToken, /* Buffer containing prefix to match */ int nToken, /* Size of buffer pToken in bytes */ Fts5Colset *pColset, /* Restrict matches to these columns */ - Fts5Iter **ppIter /* OUT: New iterator */ + Fts5Iter **ppIter /* OUT: New iterator */ ){ Fts5Structure *pStruct; Fts5Buffer *aBuf; @@ -235871,8 +244714,9 @@ static void fts5SetupPrefixIter( aBuf = (Fts5Buffer*)fts5IdxMalloc(p, sizeof(Fts5Buffer)*nBuf); pStruct = fts5StructureRead(p); + assert( p->rc!=SQLITE_OK || (aBuf && pStruct) ); - if( aBuf && pStruct ){ + if( p->rc==SQLITE_OK ){ const int flags = FTS5INDEX_QUERY_SCAN | FTS5INDEX_QUERY_SKIPEMPTY | FTS5INDEX_QUERY_NOOUTPUT; @@ -235884,6 +244728,12 @@ static void fts5SetupPrefixIter( int bNewTerm = 1; memset(&doclist, 0, sizeof(doclist)); + + /* If iIdx is non-zero, then it is the number of a prefix-index for + ** prefixes 1 character longer than the prefix being queried for. That + ** index contains all the doclists required, except for the one + ** corresponding to the prefix itself. That one is extracted from the + ** main term index here. */ if( iIdx!=0 ){ int dummy = 0; const int f2 = FTS5INDEX_QUERY_SKIPEMPTY|FTS5INDEX_QUERY_NOOUTPUT; @@ -235907,6 +244757,7 @@ static void fts5SetupPrefixIter( pToken[0] = FTS5_MAIN_PREFIX + iIdx; fts5MultiIterNew(p, pStruct, flags, pColset, pToken, nToken, -1, 0, &p1); fts5IterSetOutputCb(&p->rc, p1); + for( /* no-op */ ; fts5MultiIterEof(p, p1)==0; fts5MultiIterNext2(p, p1, &bNewTerm) @@ -235922,7 +244773,6 @@ static void fts5SetupPrefixIter( } if( p1->base.nData==0 ) continue; - if( p1->base.iRowid<=iLastRowid && doclist.n>0 ){ for(i=0; p->rc==SQLITE_OK && doclist.n; i++){ int i1 = i*nMerge; @@ -235961,7 +244811,7 @@ static void fts5SetupPrefixIter( } fts5MultiIterFree(p1); - pData = fts5IdxMalloc(p, sizeof(Fts5Data)+doclist.n+FTS5_DATA_ZERO_PADDING); + pData = fts5IdxMalloc(p, sizeof(*pData)+doclist.n+FTS5_DATA_ZERO_PADDING); if( pData ){ pData->p = (u8*)&pData[1]; pData->nn = pData->szLeaf = doclist.n; @@ -235998,6 +244848,9 @@ static int sqlite3Fts5IndexBeginWrite(Fts5Index *p, int bDelete, i64 iRowid){ p->iWriteRowid = iRowid; p->bDelete = bDelete; + if( bDelete==0 ){ + p->nPendingRow++; + } return fts5IndexReturn(p); } @@ -236035,6 +244888,9 @@ static int sqlite3Fts5IndexReinit(Fts5Index *p){ fts5StructureInvalidate(p); fts5IndexDiscardData(p); memset(&s, 0, sizeof(Fts5Structure)); + if( p->pConfig->bContentlessDelete ){ + s.nOriginCntr = 1; + } fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0); fts5StructureWrite(p, &s); return fts5IndexReturn(p); @@ -236098,7 +244954,9 @@ static int sqlite3Fts5IndexClose(Fts5Index *p){ sqlite3_finalize(p->pIdxWriter); sqlite3_finalize(p->pIdxDeleter); sqlite3_finalize(p->pIdxSelect); + sqlite3_finalize(p->pIdxNextSelect); sqlite3_finalize(p->pDataVersion); + sqlite3_finalize(p->pDeleteFromIdx); sqlite3Fts5HashFree(p->pHash); sqlite3_free(p->zDataTbl); sqlite3_free(p); @@ -236192,6 +245050,454 @@ static int sqlite3Fts5IndexWrite( return rc; } +/* +** pToken points to a buffer of size nToken bytes containing a search +** term, including the index number at the start, used on a tokendata=1 +** table. This function returns true if the term in buffer pBuf matches +** token pToken/nToken. +*/ +static int fts5IsTokendataPrefix( + Fts5Buffer *pBuf, + const u8 *pToken, + int nToken +){ + return ( + pBuf->n>=nToken + && 0==memcmp(pBuf->p, pToken, nToken) + && (pBuf->n==nToken || pBuf->p[nToken]==0x00) + ); +} + +/* +** Ensure the segment-iterator passed as the only argument points to EOF. +*/ +static void fts5SegIterSetEOF(Fts5SegIter *pSeg){ + fts5DataRelease(pSeg->pLeaf); + pSeg->pLeaf = 0; +} + +/* +** Usually, a tokendata=1 iterator (struct Fts5TokenDataIter) accumulates an +** array of these for each row it visits. Or, for an iterator used by an +** "ORDER BY rank" query, it accumulates an array of these for the entire +** query. +** +** Each instance in the array indicates the iterator (and therefore term) +** associated with position iPos of rowid iRowid. This is used by the +** xInstToken() API. +*/ +struct Fts5TokenDataMap { + i64 iRowid; /* Row this token is located in */ + i64 iPos; /* Position of token */ + int iIter; /* Iterator token was read from */ +}; + +/* +** An object used to supplement Fts5Iter for tokendata=1 iterators. +*/ +struct Fts5TokenDataIter { + int nIter; + int nIterAlloc; + + int nMap; + int nMapAlloc; + Fts5TokenDataMap *aMap; + + Fts5PoslistReader *aPoslistReader; + int *aPoslistToIter; + Fts5Iter *apIter[1]; +}; + +/* +** This function appends iterator pAppend to Fts5TokenDataIter pIn and +** returns the result. +*/ +static Fts5TokenDataIter *fts5AppendTokendataIter( + Fts5Index *p, /* Index object (for error code) */ + Fts5TokenDataIter *pIn, /* Current Fts5TokenDataIter struct */ + Fts5Iter *pAppend /* Append this iterator */ +){ + Fts5TokenDataIter *pRet = pIn; + + if( p->rc==SQLITE_OK ){ + if( pIn==0 || pIn->nIter==pIn->nIterAlloc ){ + int nAlloc = pIn ? pIn->nIterAlloc*2 : 16; + int nByte = nAlloc * sizeof(Fts5Iter*) + sizeof(Fts5TokenDataIter); + Fts5TokenDataIter *pNew = (Fts5TokenDataIter*)sqlite3_realloc(pIn, nByte); + + if( pNew==0 ){ + p->rc = SQLITE_NOMEM; + }else{ + if( pIn==0 ) memset(pNew, 0, nByte); + pRet = pNew; + pNew->nIterAlloc = nAlloc; + } + } + } + if( p->rc ){ + sqlite3Fts5IterClose((Fts5IndexIter*)pAppend); + }else{ + pRet->apIter[pRet->nIter++] = pAppend; + } + assert( pRet==0 || pRet->nIter<=pRet->nIterAlloc ); + + return pRet; +} + +/* +** Delete an Fts5TokenDataIter structure and its contents. +*/ +static void fts5TokendataIterDelete(Fts5TokenDataIter *pSet){ + if( pSet ){ + int ii; + for(ii=0; iinIter; ii++){ + fts5MultiIterFree(pSet->apIter[ii]); + } + sqlite3_free(pSet->aPoslistReader); + sqlite3_free(pSet->aMap); + sqlite3_free(pSet); + } +} + +/* +** Append a mapping to the token-map belonging to object pT. +*/ +static void fts5TokendataIterAppendMap( + Fts5Index *p, + Fts5TokenDataIter *pT, + int iIter, + i64 iRowid, + i64 iPos +){ + if( p->rc==SQLITE_OK ){ + if( pT->nMap==pT->nMapAlloc ){ + int nNew = pT->nMapAlloc ? pT->nMapAlloc*2 : 64; + int nByte = nNew * sizeof(Fts5TokenDataMap); + Fts5TokenDataMap *aNew; + + aNew = (Fts5TokenDataMap*)sqlite3_realloc(pT->aMap, nByte); + if( aNew==0 ){ + p->rc = SQLITE_NOMEM; + return; + } + + pT->aMap = aNew; + pT->nMapAlloc = nNew; + } + + pT->aMap[pT->nMap].iRowid = iRowid; + pT->aMap[pT->nMap].iPos = iPos; + pT->aMap[pT->nMap].iIter = iIter; + pT->nMap++; + } +} + +/* +** The iterator passed as the only argument must be a tokendata=1 iterator +** (pIter->pTokenDataIter!=0). This function sets the iterator output +** variables (pIter->base.*) according to the contents of the current +** row. +*/ +static void fts5IterSetOutputsTokendata(Fts5Iter *pIter){ + int ii; + int nHit = 0; + i64 iRowid = SMALLEST_INT64; + int iMin = 0; + + Fts5TokenDataIter *pT = pIter->pTokenDataIter; + + pIter->base.nData = 0; + pIter->base.pData = 0; + + for(ii=0; iinIter; ii++){ + Fts5Iter *p = pT->apIter[ii]; + if( p->base.bEof==0 ){ + if( nHit==0 || p->base.iRowidbase.iRowid; + nHit = 1; + pIter->base.pData = p->base.pData; + pIter->base.nData = p->base.nData; + iMin = ii; + }else if( p->base.iRowid==iRowid ){ + nHit++; + } + } + } + + if( nHit==0 ){ + pIter->base.bEof = 1; + }else{ + int eDetail = pIter->pIndex->pConfig->eDetail; + pIter->base.bEof = 0; + pIter->base.iRowid = iRowid; + + if( nHit==1 && eDetail==FTS5_DETAIL_FULL ){ + fts5TokendataIterAppendMap(pIter->pIndex, pT, iMin, iRowid, -1); + }else + if( nHit>1 && eDetail!=FTS5_DETAIL_NONE ){ + int nReader = 0; + int nByte = 0; + i64 iPrev = 0; + + /* Allocate array of iterators if they are not already allocated. */ + if( pT->aPoslistReader==0 ){ + pT->aPoslistReader = (Fts5PoslistReader*)sqlite3Fts5MallocZero( + &pIter->pIndex->rc, + pT->nIter * (sizeof(Fts5PoslistReader) + sizeof(int)) + ); + if( pT->aPoslistReader==0 ) return; + pT->aPoslistToIter = (int*)&pT->aPoslistReader[pT->nIter]; + } + + /* Populate an iterator for each poslist that will be merged */ + for(ii=0; iinIter; ii++){ + Fts5Iter *p = pT->apIter[ii]; + if( iRowid==p->base.iRowid ){ + pT->aPoslistToIter[nReader] = ii; + sqlite3Fts5PoslistReaderInit( + p->base.pData, p->base.nData, &pT->aPoslistReader[nReader++] + ); + nByte += p->base.nData; + } + } + + /* Ensure the output buffer is large enough */ + if( fts5BufferGrow(&pIter->pIndex->rc, &pIter->poslist, nByte+nHit*10) ){ + return; + } + + /* Ensure the token-mapping is large enough */ + if( eDetail==FTS5_DETAIL_FULL && pT->nMapAlloc<(pT->nMap + nByte) ){ + int nNew = (pT->nMapAlloc + nByte) * 2; + Fts5TokenDataMap *aNew = (Fts5TokenDataMap*)sqlite3_realloc( + pT->aMap, nNew*sizeof(Fts5TokenDataMap) + ); + if( aNew==0 ){ + pIter->pIndex->rc = SQLITE_NOMEM; + return; + } + pT->aMap = aNew; + pT->nMapAlloc = nNew; + } + + pIter->poslist.n = 0; + + while( 1 ){ + i64 iMinPos = LARGEST_INT64; + + /* Find smallest position */ + iMin = 0; + for(ii=0; iiaPoslistReader[ii]; + if( pReader->bEof==0 ){ + if( pReader->iPosiPos; + iMin = ii; + } + } + } + + /* If all readers were at EOF, break out of the loop. */ + if( iMinPos==LARGEST_INT64 ) break; + + sqlite3Fts5PoslistSafeAppend(&pIter->poslist, &iPrev, iMinPos); + sqlite3Fts5PoslistReaderNext(&pT->aPoslistReader[iMin]); + + if( eDetail==FTS5_DETAIL_FULL ){ + pT->aMap[pT->nMap].iPos = iMinPos; + pT->aMap[pT->nMap].iIter = pT->aPoslistToIter[iMin]; + pT->aMap[pT->nMap].iRowid = iRowid; + pT->nMap++; + } + } + + pIter->base.pData = pIter->poslist.p; + pIter->base.nData = pIter->poslist.n; + } + } +} + +/* +** The iterator passed as the only argument must be a tokendata=1 iterator +** (pIter->pTokenDataIter!=0). This function advances the iterator. If +** argument bFrom is false, then the iterator is advanced to the next +** entry. Or, if bFrom is true, it is advanced to the first entry with +** a rowid of iFrom or greater. +*/ +static void fts5TokendataIterNext(Fts5Iter *pIter, int bFrom, i64 iFrom){ + int ii; + Fts5TokenDataIter *pT = pIter->pTokenDataIter; + + for(ii=0; iinIter; ii++){ + Fts5Iter *p = pT->apIter[ii]; + if( p->base.bEof==0 + && (p->base.iRowid==pIter->base.iRowid || (bFrom && p->base.iRowidpIndex, p, bFrom, iFrom); + while( bFrom && p->base.bEof==0 + && p->base.iRowidpIndex->rc==SQLITE_OK + ){ + fts5MultiIterNext(p->pIndex, p, 0, 0); + } + } + } + + fts5IterSetOutputsTokendata(pIter); +} + +/* +** If the segment-iterator passed as the first argument is at EOF, then +** set pIter->term to a copy of buffer pTerm. +*/ +static void fts5TokendataSetTermIfEof(Fts5Iter *pIter, Fts5Buffer *pTerm){ + if( pIter && pIter->aSeg[0].pLeaf==0 ){ + fts5BufferSet(&pIter->pIndex->rc, &pIter->aSeg[0].term, pTerm->n, pTerm->p); + } +} + +/* +** This function sets up an iterator to use for a non-prefix query on a +** tokendata=1 table. +*/ +static Fts5Iter *fts5SetupTokendataIter( + Fts5Index *p, /* FTS index to query */ + const u8 *pToken, /* Buffer containing query term */ + int nToken, /* Size of buffer pToken in bytes */ + Fts5Colset *pColset /* Colset to filter on */ +){ + Fts5Iter *pRet = 0; + Fts5TokenDataIter *pSet = 0; + Fts5Structure *pStruct = 0; + const int flags = FTS5INDEX_QUERY_SCANONETERM | FTS5INDEX_QUERY_SCAN; + + Fts5Buffer bSeek = {0, 0, 0}; + Fts5Buffer *pSmall = 0; + + fts5IndexFlush(p); + pStruct = fts5StructureRead(p); + + while( p->rc==SQLITE_OK ){ + Fts5Iter *pPrev = pSet ? pSet->apIter[pSet->nIter-1] : 0; + Fts5Iter *pNew = 0; + Fts5SegIter *pNewIter = 0; + Fts5SegIter *pPrevIter = 0; + + int iLvl, iSeg, ii; + + pNew = fts5MultiIterAlloc(p, pStruct->nSegment); + if( pSmall ){ + fts5BufferSet(&p->rc, &bSeek, pSmall->n, pSmall->p); + fts5BufferAppendBlob(&p->rc, &bSeek, 1, (const u8*)"\0"); + }else{ + fts5BufferSet(&p->rc, &bSeek, nToken, pToken); + } + if( p->rc ){ + sqlite3Fts5IterClose((Fts5IndexIter*)pNew); + break; + } + + pNewIter = &pNew->aSeg[0]; + pPrevIter = (pPrev ? &pPrev->aSeg[0] : 0); + for(iLvl=0; iLvlnLevel; iLvl++){ + for(iSeg=pStruct->aLevel[iLvl].nSeg-1; iSeg>=0; iSeg--){ + Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; + int bDone = 0; + + if( pPrevIter ){ + if( fts5BufferCompare(pSmall, &pPrevIter->term) ){ + memcpy(pNewIter, pPrevIter, sizeof(Fts5SegIter)); + memset(pPrevIter, 0, sizeof(Fts5SegIter)); + bDone = 1; + }else if( pPrevIter->iEndofDoclist>pPrevIter->pLeaf->szLeaf ){ + fts5SegIterNextInit(p,(const char*)bSeek.p,bSeek.n-1,pSeg,pNewIter); + bDone = 1; + } + } + + if( bDone==0 ){ + fts5SegIterSeekInit(p, bSeek.p, bSeek.n, flags, pSeg, pNewIter); + } + + if( pPrevIter ){ + if( pPrevIter->pTombArray ){ + pNewIter->pTombArray = pPrevIter->pTombArray; + pNewIter->pTombArray->nRef++; + } + }else{ + fts5SegIterAllocTombstone(p, pNewIter); + } + + pNewIter++; + if( pPrevIter ) pPrevIter++; + if( p->rc ) break; + } + } + fts5TokendataSetTermIfEof(pPrev, pSmall); + + pNew->bSkipEmpty = 1; + pNew->pColset = pColset; + fts5IterSetOutputCb(&p->rc, pNew); + + /* Loop through all segments in the new iterator. Find the smallest + ** term that any segment-iterator points to. Iterator pNew will be + ** used for this term. Also, set any iterator that points to a term that + ** does not match pToken/nToken to point to EOF */ + pSmall = 0; + for(ii=0; iinSeg; ii++){ + Fts5SegIter *pII = &pNew->aSeg[ii]; + if( 0==fts5IsTokendataPrefix(&pII->term, pToken, nToken) ){ + fts5SegIterSetEOF(pII); + } + if( pII->pLeaf && (!pSmall || fts5BufferCompare(pSmall, &pII->term)>0) ){ + pSmall = &pII->term; + } + } + + /* If pSmall is still NULL at this point, then the new iterator does + ** not point to any terms that match the query. So delete it and break + ** out of the loop - all required iterators have been collected. */ + if( pSmall==0 ){ + sqlite3Fts5IterClose((Fts5IndexIter*)pNew); + break; + } + + /* Append this iterator to the set and continue. */ + pSet = fts5AppendTokendataIter(p, pSet, pNew); + } + + if( p->rc==SQLITE_OK && pSet ){ + int ii; + for(ii=0; iinIter; ii++){ + Fts5Iter *pIter = pSet->apIter[ii]; + int iSeg; + for(iSeg=0; iSegnSeg; iSeg++){ + pIter->aSeg[iSeg].flags |= FTS5_SEGITER_ONETERM; + } + fts5MultiIterFinishSetup(p, pIter); + } + } + + if( p->rc==SQLITE_OK ){ + pRet = fts5MultiIterAlloc(p, 0); + } + if( pRet ){ + pRet->pTokenDataIter = pSet; + if( pSet ){ + fts5IterSetOutputsTokendata(pRet); + }else{ + pRet->base.bEof = 1; + } + }else{ + fts5TokendataIterDelete(pSet); + } + + fts5StructureRelease(pStruct); + fts5BufferFree(&bSeek); + return pRet; +} + + /* ** Open a new iterator to iterate though all rowid that match the ** specified token or token prefix. @@ -236213,8 +245519,13 @@ static int sqlite3Fts5IndexQuery( if( sqlite3Fts5BufferSize(&p->rc, &buf, nToken+1)==0 ){ int iIdx = 0; /* Index to search */ int iPrefixIdx = 0; /* +1 prefix index */ + int bTokendata = pConfig->bTokendata; if( nToken>0 ) memcpy(&buf.p[1], pToken, nToken); + if( flags & (FTS5INDEX_QUERY_NOTOKENDATA|FTS5INDEX_QUERY_SCAN) ){ + bTokendata = 0; + } + /* Figure out which index to search and set iIdx accordingly. If this ** is a prefix query for which there is no prefix index, set iIdx to ** greater than pConfig->nPrefix to indicate that the query will be @@ -236240,7 +245551,10 @@ static int sqlite3Fts5IndexQuery( } } - if( iIdx<=pConfig->nPrefix ){ + if( bTokendata && iIdx==0 ){ + buf.p[0] = '0'; + pRet = fts5SetupTokendataIter(p, buf.p, nToken+1, pColset); + }else if( iIdx<=pConfig->nPrefix ){ /* Straight index lookup */ Fts5Structure *pStruct = fts5StructureRead(p); buf.p[0] = (u8)(FTS5_MAIN_PREFIX + iIdx); @@ -236287,7 +245601,11 @@ static int sqlite3Fts5IndexQuery( static int sqlite3Fts5IterNext(Fts5IndexIter *pIndexIter){ Fts5Iter *pIter = (Fts5Iter*)pIndexIter; assert( pIter->pIndex->rc==SQLITE_OK ); - fts5MultiIterNext(pIter->pIndex, pIter, 0, 0); + if( pIter->pTokenDataIter ){ + fts5TokendataIterNext(pIter, 0, 0); + }else{ + fts5MultiIterNext(pIter->pIndex, pIter, 0, 0); + } return fts5IndexReturn(pIter->pIndex); } @@ -236320,7 +245638,11 @@ static int sqlite3Fts5IterNextScan(Fts5IndexIter *pIndexIter){ */ static int sqlite3Fts5IterNextFrom(Fts5IndexIter *pIndexIter, i64 iMatch){ Fts5Iter *pIter = (Fts5Iter*)pIndexIter; - fts5MultiIterNextFrom(pIter->pIndex, pIter, iMatch); + if( pIter->pTokenDataIter ){ + fts5TokendataIterNext(pIter, 1, iMatch); + }else{ + fts5MultiIterNextFrom(pIter->pIndex, pIter, iMatch); + } return fts5IndexReturn(pIter->pIndex); } @@ -236335,6 +245657,99 @@ static const char *sqlite3Fts5IterTerm(Fts5IndexIter *pIndexIter, int *pn){ return (z ? &z[1] : 0); } +/* +** This is used by xInstToken() to access the token at offset iOff, column +** iCol of row iRowid. The token is returned via output variables *ppOut +** and *pnOut. The iterator passed as the first argument must be a tokendata=1 +** iterator (pIter->pTokenDataIter!=0). +*/ +static int sqlite3Fts5IterToken( + Fts5IndexIter *pIndexIter, + i64 iRowid, + int iCol, + int iOff, + const char **ppOut, int *pnOut +){ + Fts5Iter *pIter = (Fts5Iter*)pIndexIter; + Fts5TokenDataIter *pT = pIter->pTokenDataIter; + Fts5TokenDataMap *aMap = pT->aMap; + i64 iPos = (((i64)iCol)<<32) + iOff; + + int i1 = 0; + int i2 = pT->nMap; + int iTest = 0; + + while( i2>i1 ){ + iTest = (i1 + i2) / 2; + + if( aMap[iTest].iRowidiRowid ){ + i2 = iTest; + }else{ + if( aMap[iTest].iPosiPos ){ + i2 = iTest; + }else{ + break; + } + } + } + + if( i2>i1 ){ + Fts5Iter *pMap = pT->apIter[aMap[iTest].iIter]; + *ppOut = (const char*)pMap->aSeg[0].term.p+1; + *pnOut = pMap->aSeg[0].term.n-1; + } + + return SQLITE_OK; +} + +/* +** Clear any existing entries from the token-map associated with the +** iterator passed as the only argument. +*/ +static void sqlite3Fts5IndexIterClearTokendata(Fts5IndexIter *pIndexIter){ + Fts5Iter *pIter = (Fts5Iter*)pIndexIter; + if( pIter && pIter->pTokenDataIter ){ + pIter->pTokenDataIter->nMap = 0; + } +} + +/* +** Set a token-mapping for the iterator passed as the first argument. This +** is used in detail=column or detail=none mode when a token is requested +** using the xInstToken() API. In this case the caller tokenizers the +** current row and configures the token-mapping via multiple calls to this +** function. +*/ +static int sqlite3Fts5IndexIterWriteTokendata( + Fts5IndexIter *pIndexIter, + const char *pToken, int nToken, + i64 iRowid, int iCol, int iOff +){ + Fts5Iter *pIter = (Fts5Iter*)pIndexIter; + Fts5TokenDataIter *pT = pIter->pTokenDataIter; + Fts5Index *p = pIter->pIndex; + int ii; + + assert( p->pConfig->eDetail!=FTS5_DETAIL_FULL ); + assert( pIter->pTokenDataIter ); + + for(ii=0; iinIter; ii++){ + Fts5Buffer *pTerm = &pT->apIter[ii]->aSeg[0].term; + if( nToken==pTerm->n-1 && memcmp(pToken, pTerm->p+1, nToken)==0 ) break; + } + if( iinIter ){ + fts5TokendataIterAppendMap(p, pT, ii, iRowid, (((i64)iCol)<<32) + iOff); + } + return fts5IndexReturn(p); +} + /* ** Close an iterator opened by an earlier call to sqlite3Fts5IndexQuery(). */ @@ -236342,6 +245757,7 @@ static void sqlite3Fts5IterClose(Fts5IndexIter *pIndexIter){ if( pIndexIter ){ Fts5Iter *pIter = (Fts5Iter*)pIndexIter; Fts5Index *pIndex = pIter->pIndex; + fts5TokendataIterDelete(pIter->pTokenDataIter); fts5MultiIterFree(pIter); sqlite3Fts5IndexCloseReader(pIndex); } @@ -236425,6 +245841,347 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p){ return fts5IndexReturn(p); } +/* +** Retrieve the origin value that will be used for the segment currently +** being accumulated in the in-memory hash table when it is flushed to +** disk. If successful, SQLITE_OK is returned and (*piOrigin) set to +** the queried value. Or, if an error occurs, an error code is returned +** and the final value of (*piOrigin) is undefined. +*/ +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + *piOrigin = pStruct->nOriginCntr; + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} + +/* +** Buffer pPg contains a page of a tombstone hash table - one of nPg pages +** associated with the same segment. This function adds rowid iRowid to +** the hash table. The caller is required to guarantee that there is at +** least one free slot on the page. +** +** If parameter bForce is false and the hash table is deemed to be full +** (more than half of the slots are occupied), then non-zero is returned +** and iRowid not inserted. Or, if bForce is true or if the hash table page +** is not full, iRowid is inserted and zero returned. +*/ +static int fts5IndexTombstoneAddToPage( + Fts5Data *pPg, + int bForce, + int nPg, + u64 iRowid +){ + const int szKey = TOMBSTONE_KEYSIZE(pPg); + const int nSlot = TOMBSTONE_NSLOT(pPg); + const int nElem = fts5GetU32(&pPg->p[4]); + int iSlot = (iRowid / nPg) % nSlot; + int nCollide = nSlot; + + if( szKey==4 && iRowid>0xFFFFFFFF ) return 2; + if( iRowid==0 ){ + pPg->p[1] = 0x01; + return 0; + } + + if( bForce==0 && nElem>=(nSlot/2) ){ + return 1; + } + + fts5PutU32(&pPg->p[4], nElem+1); + if( szKey==4 ){ + u32 *aSlot = (u32*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU32((u8*)&aSlot[iSlot], (u32)iRowid); + }else{ + u64 *aSlot = (u64*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU64((u8*)&aSlot[iSlot], iRowid); + } + + return 0; +} + +/* +** This function attempts to build a new hash containing all the keys +** currently in the tombstone hash table for segment pSeg. The new +** hash will be stored in the nOut buffers passed in array apOut[]. +** All pages of the new hash use key-size szKey (4 or 8). +** +** Return 0 if the hash is successfully rebuilt into the nOut pages. +** Or non-zero if it is not (because one page became overfull). In this +** case the caller should retry with a larger nOut parameter. +** +** Parameter pData1 is page iPg1 of the hash table being rebuilt. +*/ +static int fts5IndexTombstoneRehash( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int nOut, /* Number of output pages */ + Fts5Data **apOut /* Array of output hash pages */ +){ + int ii; + int res = 0; + + /* Initialize the headers of all the output pages */ + for(ii=0; iip[0] = szKey; + fts5PutU32(&apOut[ii]->p[4], 0); + } + + /* Loop through the current pages of the hash table. */ + for(ii=0; res==0 && iinPgTombstone; ii++){ + Fts5Data *pData = 0; /* Page ii of the current hash table */ + Fts5Data *pFree = 0; /* Free this at the end of the loop */ + + if( iPg1==ii ){ + pData = pData1; + }else{ + pFree = pData = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid, ii)); + } + + if( pData ){ + int szKeyIn = TOMBSTONE_KEYSIZE(pData); + int nSlotIn = (pData->nn - 8) / szKeyIn; + int iIn; + for(iIn=0; iInp[8]; + if( aSlot[iIn] ) iVal = fts5GetU32((u8*)&aSlot[iIn]); + }else{ + u64 *aSlot = (u64*)&pData->p[8]; + if( aSlot[iIn] ) iVal = fts5GetU64((u8*)&aSlot[iIn]); + } + + /* If iVal is not 0 at this point, insert it into the new hash table */ + if( iVal ){ + Fts5Data *pPg = apOut[(iVal % nOut)]; + res = fts5IndexTombstoneAddToPage(pPg, 0, nOut, iVal); + if( res ) break; + } + } + + /* If this is page 0 of the old hash, copy the rowid-0-flag from the + ** old hash to the new. */ + if( ii==0 ){ + apOut[0]->p[1] = pData->p[1]; + } + } + fts5DataRelease(pFree); + } + + return res; +} + +/* +** This is called to rebuild the hash table belonging to segment pSeg. +** If parameter pData1 is not NULL, then one page of the existing hash table +** has already been loaded - pData1, which is page iPg1. The key-size for +** the new hash table is szKey (4 or 8). +** +** If successful, the new hash table is not written to disk. Instead, +** output parameter (*pnOut) is set to the number of pages in the new +** hash table, and (*papOut) to point to an array of buffers containing +** the new page data. +** +** If an error occurs, an error code is left in the Fts5Index object and +** both output parameters set to 0 before returning. +*/ +static void fts5IndexTombstoneRebuild( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int *pnOut, /* OUT: Number of output pages */ + Fts5Data ***papOut /* OUT: Output hash pages */ +){ + const int MINSLOT = 32; + int nSlotPerPage = MAX(MINSLOT, (p->pConfig->pgsz - 8) / szKey); + int nSlot = 0; /* Number of slots in each output page */ + int nOut = 0; + + /* Figure out how many output pages (nOut) and how many slots per + ** page (nSlot). There are three possibilities: + ** + ** 1. The hash table does not yet exist. In this case the new hash + ** table will consist of a single page with MINSLOT slots. + ** + ** 2. The hash table exists but is currently a single page. In this + ** case an attempt is made to grow the page to accommodate the new + ** entry. The page is allowed to grow up to nSlotPerPage (see above) + ** slots. + ** + ** 3. The hash table already consists of more than one page, or of + ** a single page already so large that it cannot be grown. In this + ** case the new hash consists of (nPg*2+1) pages of nSlotPerPage + ** slots each, where nPg is the current number of pages in the + ** hash table. + */ + if( pSeg->nPgTombstone==0 ){ + /* Case 1. */ + nOut = 1; + nSlot = MINSLOT; + }else if( pSeg->nPgTombstone==1 ){ + /* Case 2. */ + int nElem = (int)fts5GetU32(&pData1->p[4]); + assert( pData1 && iPg1==0 ); + nOut = 1; + nSlot = MAX(nElem*4, MINSLOT); + if( nSlot>nSlotPerPage ) nOut = 0; + } + if( nOut==0 ){ + /* Case 3. */ + nOut = (pSeg->nPgTombstone * 2 + 1); + nSlot = nSlotPerPage; + } + + /* Allocate the required array and output pages */ + while( 1 ){ + int res = 0; + int ii = 0; + int szPage = 0; + Fts5Data **apOut = 0; + + /* Allocate space for the new hash table */ + assert( nSlot>=MINSLOT ); + apOut = (Fts5Data**)sqlite3Fts5MallocZero(&p->rc, sizeof(Fts5Data*) * nOut); + szPage = 8 + nSlot*szKey; + for(ii=0; iirc, + sizeof(Fts5Data)+szPage + ); + if( pNew ){ + pNew->nn = szPage; + pNew->p = (u8*)&pNew[1]; + apOut[ii] = pNew; + } + } + + /* Rebuild the hash table. */ + if( p->rc==SQLITE_OK ){ + res = fts5IndexTombstoneRehash(p, pSeg, pData1, iPg1, szKey, nOut, apOut); + } + if( res==0 ){ + if( p->rc ){ + fts5IndexFreeArray(apOut, nOut); + apOut = 0; + nOut = 0; + } + *pnOut = nOut; + *papOut = apOut; + break; + } + + /* If control flows to here, it was not possible to rebuild the hash + ** table. Free all buffers and then try again with more pages. */ + assert( p->rc==SQLITE_OK ); + fts5IndexFreeArray(apOut, nOut); + nSlot = nSlotPerPage; + nOut = nOut*2 + 1; + } +} + + +/* +** Add a tombstone for rowid iRowid to segment pSeg. +*/ +static void fts5IndexTombstoneAdd( + Fts5Index *p, + Fts5StructureSegment *pSeg, + u64 iRowid +){ + Fts5Data *pPg = 0; + int iPg = -1; + int szKey = 0; + int nHash = 0; + Fts5Data **apHash = 0; + + p->nContentlessDelete++; + + if( pSeg->nPgTombstone>0 ){ + iPg = iRowid % pSeg->nPgTombstone; + pPg = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg)); + if( pPg==0 ){ + assert( p->rc!=SQLITE_OK ); + return; + } + + if( 0==fts5IndexTombstoneAddToPage(pPg, 0, pSeg->nPgTombstone, iRowid) ){ + fts5DataWrite(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg), pPg->p, pPg->nn); + fts5DataRelease(pPg); + return; + } + } + + /* Have to rebuild the hash table. First figure out the key-size (4 or 8). */ + szKey = pPg ? TOMBSTONE_KEYSIZE(pPg) : 4; + if( iRowid>0xFFFFFFFF ) szKey = 8; + + /* Rebuild the hash table */ + fts5IndexTombstoneRebuild(p, pSeg, pPg, iPg, szKey, &nHash, &apHash); + assert( p->rc==SQLITE_OK || (nHash==0 && apHash==0) ); + + /* If all has succeeded, write the new rowid into one of the new hash + ** table pages, then write them all out to disk. */ + if( nHash ){ + int ii = 0; + fts5IndexTombstoneAddToPage(apHash[iRowid % nHash], 1, nHash, iRowid); + for(ii=0; iiiSegid, ii); + fts5DataWrite(p, iTombstoneRowid, apHash[ii]->p, apHash[ii]->nn); + } + pSeg->nPgTombstone = nHash; + fts5StructureWrite(p, p->pStruct); + } + + fts5DataRelease(pPg); + fts5IndexFreeArray(apHash, nHash); +} + +/* +** Add iRowid to the tombstone list of the segment or segments that contain +** rows from origin iOrigin. Return SQLITE_OK if successful, or an SQLite +** error code otherwise. +*/ +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + int bFound = 0; /* True after pSeg->nEntryTombstone incr. */ + int iLvl; + for(iLvl=pStruct->nLevel-1; iLvl>=0; iLvl--){ + int iSeg; + for(iSeg=pStruct->aLevel[iLvl].nSeg-1; iSeg>=0; iSeg--){ + Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; + if( pSeg->iOrigin1<=(u64)iOrigin && pSeg->iOrigin2>=(u64)iOrigin ){ + if( bFound==0 ){ + pSeg->nEntryTombstone++; + bFound = 1; + } + fts5IndexTombstoneAdd(p, pSeg, iRowid); + } + } + } + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} /************************************************************************* ************************************************************************** @@ -236508,7 +246265,9 @@ static int fts5QueryCksum( int eDetail = p->pConfig->eDetail; u64 cksum = *pCksum; Fts5IndexIter *pIter = 0; - int rc = sqlite3Fts5IndexQuery(p, z, n, flags, 0, &pIter); + int rc = sqlite3Fts5IndexQuery( + p, z, n, (flags | FTS5INDEX_QUERY_NOTOKENDATA), 0, &pIter + ); while( rc==SQLITE_OK && ALWAYS(pIter!=0) && 0==sqlite3Fts5IterEof(pIter) ){ i64 rowid = pIter->iRowid; @@ -236675,7 +246434,7 @@ static void fts5IndexIntegrityCheckEmpty( } static void fts5IntegrityCheckPgidx(Fts5Index *p, Fts5Data *pLeaf){ - int iTermOff = 0; + i64 iTermOff = 0; int ii; Fts5Buffer buf1 = {0,0,0}; @@ -236684,7 +246443,7 @@ static void fts5IntegrityCheckPgidx(Fts5Index *p, Fts5Data *pLeaf){ ii = pLeaf->szLeaf; while( iinn && p->rc==SQLITE_OK ){ int res; - int iOff; + i64 iOff; int nIncr; ii += fts5GetVarint32(&pLeaf->p[ii], nIncr); @@ -236729,6 +246488,7 @@ static void fts5IndexIntegrityCheckSegment( Fts5StructureSegment *pSeg /* Segment to check internal consistency */ ){ Fts5Config *pConfig = p->pConfig; + int bSecureDelete = (pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE); sqlite3_stmt *pStmt = 0; int rc2; int iIdxPrevLeaf = pSeg->pgnoFirst-1; @@ -236764,7 +246524,19 @@ static void fts5IndexIntegrityCheckSegment( ** is also a rowid pointer within the leaf page header, it points to a ** location before the term. */ if( pLeaf->nn<=pLeaf->szLeaf ){ - p->rc = FTS5_CORRUPT; + + if( nIdxTerm==0 + && pConfig->iVersion==FTS5_CURRENT_VERSION_SECUREDELETE + && pLeaf->nn==pLeaf->szLeaf + && pLeaf->nn==4 + ){ + /* special case - the very first page in a segment keeps its %_idx + ** entry even if all the terms are removed from it by secure-delete + ** operations. */ + }else{ + p->rc = FTS5_CORRUPT; + } + }else{ int iOff; /* Offset of first term on leaf */ int iRowidOff; /* Offset of first rowid on leaf */ @@ -236828,9 +246600,12 @@ static void fts5IndexIntegrityCheckSegment( ASSERT_SZLEAF_OK(pLeaf); if( iRowidOff>=pLeaf->szLeaf ){ p->rc = FTS5_CORRUPT; - }else{ + }else if( bSecureDelete==0 || iRowidOff>0 ){ + i64 iDlRowid = fts5DlidxIterRowid(pDlidx); fts5GetVarint(&pLeaf->p[iRowidOff], (u64*)&iRowid); - if( iRowid!=fts5DlidxIterRowid(pDlidx) ) p->rc = FTS5_CORRUPT; + if( iRowidrc = FTS5_CORRUPT; + } } fts5DataRelease(pLeaf); } @@ -236960,13 +246735,14 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum, int bUseCksum ** function only. */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Decode a segment-data rowid from the %_data table. This function is ** the opposite of macro FTS5_SEGMENT_ROWID(). */ static void fts5DecodeRowid( i64 iRowid, /* Rowid from %_data table */ + int *pbTombstone, /* OUT: Tombstone hash flag */ int *piSegid, /* OUT: Segment id */ int *pbDlidx, /* OUT: Dlidx flag */ int *piHeight, /* OUT: Height */ @@ -236982,13 +246758,16 @@ static void fts5DecodeRowid( iRowid >>= FTS5_DATA_DLI_B; *piSegid = (int)(iRowid & (((i64)1 << FTS5_DATA_ID_B) - 1)); -} -#endif /* SQLITE_TEST */ + iRowid >>= FTS5_DATA_ID_B; -#ifdef SQLITE_TEST + *pbTombstone = (int)(iRowid & 0x0001); +} +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ + +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ - int iSegid, iHeight, iPgno, bDlidx; /* Rowid compenents */ - fts5DecodeRowid(iKey, &iSegid, &bDlidx, &iHeight, &iPgno); + int iSegid, iHeight, iPgno, bDlidx, bTomb; /* Rowid compenents */ + fts5DecodeRowid(iKey, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); if( iSegid==0 ){ if( iKey==FTS5_AVERAGES_ROWID ){ @@ -236998,14 +246777,16 @@ static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ } } else{ - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%ssegid=%d h=%d pgno=%d}", - bDlidx ? "dlidx " : "", iSegid, iHeight, iPgno + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%s%ssegid=%d h=%d pgno=%d}", + bDlidx ? "dlidx " : "", + bTomb ? "tombstone " : "", + iSegid, iHeight, iPgno ); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugStructure( int *pRc, /* IN/OUT: error code */ Fts5Buffer *pBuf, @@ -237020,16 +246801,22 @@ static void fts5DebugStructure( ); for(iSeg=0; iSegnSeg; iSeg++){ Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d}", + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d", pSeg->iSegid, pSeg->pgnoFirst, pSeg->pgnoLast ); + if( pSeg->iOrigin1>0 ){ + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " origin=%lld..%lld", + pSeg->iOrigin1, pSeg->iOrigin2 + ); + } + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -237054,9 +246841,9 @@ static void fts5DecodeStructure( fts5DebugStructure(pRc, pBuf, p); fts5StructureRelease(p); } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -237079,9 +246866,9 @@ static void fts5DecodeAverages( zSpace = " "; } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Buffer (a/n) is assumed to contain a list of serialized varints. Read ** each varint and append its string representation to buffer pBuf. Return @@ -237098,9 +246885,9 @@ static int fts5DecodePoslist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ } return iOff; } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The start of buffer (a/n) contains the start of a doclist. The doclist ** may or may not finish within the buffer. This function appends a text @@ -237133,9 +246920,9 @@ static int fts5DecodeDoclist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ return iOff; } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This function is part of the fts5_decode() debugging function. It is ** only ever used with detail=none tables. @@ -237176,9 +246963,27 @@ static void fts5DecodeRowidList( sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " %lld%s", iRowid, zApp); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) +static void fts5BufferAppendTerm(int *pRc, Fts5Buffer *pBuf, Fts5Buffer *pTerm){ + int ii; + fts5BufferGrow(pRc, pBuf, pTerm->n*2 + 1); + if( *pRc==SQLITE_OK ){ + for(ii=0; iin; ii++){ + if( pTerm->p[ii]==0x00 ){ + pBuf->p[pBuf->n++] = '\\'; + pBuf->p[pBuf->n++] = '0'; + }else{ + pBuf->p[pBuf->n++] = pTerm->p[ii]; + } + } + pBuf->p[pBuf->n] = 0x00; + } +} +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ + +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The implementation of user-defined scalar function fts5_decode(). */ @@ -237189,6 +246994,7 @@ static void fts5DecodeFunction( ){ i64 iRowid; /* Rowid for record being decoded */ int iSegid,iHeight,iPgno,bDlidx;/* Rowid components */ + int bTomb; const u8 *aBlob; int n; /* Record to decode */ u8 *a = 0; Fts5Buffer s; /* Build up text to return here */ @@ -237211,7 +247017,7 @@ static void fts5DecodeFunction( if( a==0 ) goto decode_out; if( n>0 ) memcpy(a, aBlob, n); - fts5DecodeRowid(iRowid, &iSegid, &bDlidx, &iHeight, &iPgno); + fts5DecodeRowid(iRowid, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); fts5DebugRowid(&rc, &s, iRowid); if( bDlidx ){ @@ -237230,6 +247036,28 @@ static void fts5DecodeFunction( " %d(%lld)", lvl.iLeafPgno, lvl.iRowid ); } + }else if( bTomb ){ + u32 nElem = fts5GetU32(&a[4]); + int szKey = (aBlob[0]==4 || aBlob[0]==8) ? aBlob[0] : 8; + int nSlot = (n - 8) / szKey; + int ii; + sqlite3Fts5BufferAppendPrintf(&rc, &s, " nElem=%d", (int)nElem); + if( aBlob[1] ){ + sqlite3Fts5BufferAppendPrintf(&rc, &s, " 0"); + } + for(ii=0; iiestimatedCost = (double)100; + pIdxInfo->estimatedRows = 100; + pIdxInfo->idxNum = 0; + for(i=0, p=pIdxInfo->aConstraint; inConstraint; i++, p++){ + if( p->usable==0 ) continue; + if( p->op==SQLITE_INDEX_CONSTRAINT_EQ && p->iColumn==11 ){ + rc = SQLITE_OK; + pIdxInfo->aConstraintUsage[i].omit = 1; + pIdxInfo->aConstraintUsage[i].argvIndex = 1; + break; + } + } + return rc; +} + +/* +** This method is the destructor for bytecodevtab objects. +*/ +static int fts5structDisconnectMethod(sqlite3_vtab *pVtab){ + Fts5StructVtab *p = (Fts5StructVtab*)pVtab; + sqlite3_free(p); + return SQLITE_OK; +} + +/* +** Constructor for a new bytecodevtab_cursor object. +*/ +static int fts5structOpenMethod(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCsr){ + int rc = SQLITE_OK; + Fts5StructVcsr *pNew = 0; + + pNew = sqlite3Fts5MallocZero(&rc, sizeof(*pNew)); + *ppCsr = (sqlite3_vtab_cursor*)pNew; + + return SQLITE_OK; +} + +/* +** Destructor for a bytecodevtab_cursor. +*/ +static int fts5structCloseMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + fts5StructureRelease(pCsr->pStruct); + sqlite3_free(pCsr); + return SQLITE_OK; +} + + +/* +** Advance a bytecodevtab_cursor to its next row of output. +*/ +static int fts5structNextMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + + assert( pCsr->pStruct ); + pCsr->iSeg++; + pCsr->iRowid++; + while( pCsr->iLevelnLevel && pCsr->iSeg>=p->aLevel[pCsr->iLevel].nSeg ){ + pCsr->iLevel++; + pCsr->iSeg = 0; + } + if( pCsr->iLevel>=p->nLevel ){ + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + } + return SQLITE_OK; +} + +/* +** Return TRUE if the cursor has been moved off of the last +** row of output. +*/ +static int fts5structEofMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + return pCsr->pStruct==0; +} + +static int fts5structRowidMethod( + sqlite3_vtab_cursor *cur, + sqlite_int64 *piRowid +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + *piRowid = pCsr->iRowid; + return SQLITE_OK; +} + +/* +** Return values of columns for the row at which the bytecodevtab_cursor +** is currently pointing. +*/ +static int fts5structColumnMethod( + sqlite3_vtab_cursor *cur, /* The cursor */ + sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ + int i /* Which column to return */ +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + Fts5StructureSegment *pSeg = &p->aLevel[pCsr->iLevel].aSeg[pCsr->iSeg]; + + switch( i ){ + case 0: /* level */ + sqlite3_result_int(ctx, pCsr->iLevel); + break; + case 1: /* segment */ + sqlite3_result_int(ctx, pCsr->iSeg); + break; + case 2: /* merge */ + sqlite3_result_int(ctx, pCsr->iSeg < p->aLevel[pCsr->iLevel].nMerge); + break; + case 3: /* segid */ + sqlite3_result_int(ctx, pSeg->iSegid); + break; + case 4: /* leaf1 */ + sqlite3_result_int(ctx, pSeg->pgnoFirst); + break; + case 5: /* leaf2 */ + sqlite3_result_int(ctx, pSeg->pgnoLast); + break; + case 6: /* origin1 */ + sqlite3_result_int64(ctx, pSeg->iOrigin1); + break; + case 7: /* origin2 */ + sqlite3_result_int64(ctx, pSeg->iOrigin2); + break; + case 8: /* npgtombstone */ + sqlite3_result_int(ctx, pSeg->nPgTombstone); + break; + case 9: /* nentrytombstone */ + sqlite3_result_int64(ctx, pSeg->nEntryTombstone); + break; + case 10: /* nentry */ + sqlite3_result_int64(ctx, pSeg->nEntry); + break; + } + return SQLITE_OK; +} + +/* +** Initialize a cursor. +** +** idxNum==0 means show all subprograms +** idxNum==1 means show only the main bytecode and omit subprograms. +*/ +static int fts5structFilterMethod( + sqlite3_vtab_cursor *pVtabCursor, + int idxNum, const char *idxStr, + int argc, sqlite3_value **argv +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr *)pVtabCursor; + int rc = SQLITE_OK; + + const u8 *aBlob = 0; + int nBlob = 0; + + assert( argc==1 ); + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + + nBlob = sqlite3_value_bytes(argv[0]); + aBlob = (const u8*)sqlite3_value_blob(argv[0]); + rc = fts5StructureDecode(aBlob, nBlob, 0, &pCsr->pStruct); + if( rc==SQLITE_OK ){ + pCsr->iLevel = 0; + pCsr->iRowid = 0; + pCsr->iSeg = -1; + rc = fts5structNextMethod(pVtabCursor); + } + + return rc; +} + +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called as part of registering the FTS5 module with database @@ -237434,7 +247491,7 @@ static void fts5RowidFunction( ** SQLite error code is returned instead. */ static int sqlite3Fts5IndexInit(sqlite3 *db){ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) int rc = sqlite3_create_function( db, "fts5_decode", 2, SQLITE_UTF8, 0, fts5DecodeFunction, 0, 0 ); @@ -237451,6 +247508,37 @@ static int sqlite3Fts5IndexInit(sqlite3 *db){ db, "fts5_rowid", -1, SQLITE_UTF8, 0, fts5RowidFunction, 0, 0 ); } + + if( rc==SQLITE_OK ){ + static const sqlite3_module fts5structure_module = { + 0, /* iVersion */ + 0, /* xCreate */ + fts5structConnectMethod, /* xConnect */ + fts5structBestIndexMethod, /* xBestIndex */ + fts5structDisconnectMethod, /* xDisconnect */ + 0, /* xDestroy */ + fts5structOpenMethod, /* xOpen */ + fts5structCloseMethod, /* xClose */ + fts5structFilterMethod, /* xFilter */ + fts5structNextMethod, /* xNext */ + fts5structEofMethod, /* xEof */ + fts5structColumnMethod, /* xColumn */ + fts5structRowidMethod, /* xRowid */ + 0, /* xUpdate */ + 0, /* xBegin */ + 0, /* xSync */ + 0, /* xCommit */ + 0, /* xRollback */ + 0, /* xFindFunction */ + 0, /* xRename */ + 0, /* xSavepoint */ + 0, /* xRelease */ + 0, /* xRollbackTo */ + 0, /* xShadowName */ + 0 /* xIntegrity */ + }; + rc = sqlite3_create_module(db, "fts5_structure", &fts5structure_module, 0); + } return rc; #else return SQLITE_OK; @@ -237586,6 +247674,8 @@ struct Fts5FullTable { Fts5Storage *pStorage; /* Document store */ Fts5Global *pGlobal; /* Global (connection wide) data */ Fts5Cursor *pSortCsr; /* Sort data from this cursor */ + int iSavepoint; /* Successful xSavepoint()+1 */ + #ifdef SQLITE_DEBUG struct Fts5TransactionState ts; #endif @@ -237874,6 +247964,13 @@ static int fts5InitVtab( pConfig->pzErrmsg = 0; } + if( rc==SQLITE_OK && pConfig->eContent==FTS5_CONTENT_NORMAL ){ + rc = sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, (int)1); + } + if( rc==SQLITE_OK ){ + rc = sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS); + } + if( rc!=SQLITE_OK ){ fts5FreeVtab(pTab); pTab = 0; @@ -238116,12 +248213,15 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ } idxStr[iIdxStr] = '\0'; - /* Set idxFlags flags for the ORDER BY clause */ + /* Set idxFlags flags for the ORDER BY clause + ** + ** Note that tokendata=1 tables cannot currently handle "ORDER BY rowid DESC". + */ if( pInfo->nOrderBy==1 ){ int iSort = pInfo->aOrderBy[0].iColumn; if( iSort==(pConfig->nCol+1) && bSeenMatch ){ idxFlags |= FTS5_BI_ORDER_RANK; - }else if( iSort==-1 ){ + }else if( iSort==-1 && (!pInfo->aOrderBy[0].desc || !pConfig->bTokendata) ){ idxFlags |= FTS5_BI_ORDER_ROWID; } if( BitFlagTest(idxFlags, FTS5_BI_ORDER_RANK|FTS5_BI_ORDER_ROWID) ){ @@ -238373,6 +248473,16 @@ static int fts5NextMethod(sqlite3_vtab_cursor *pCursor){ ); assert( !CsrFlagTest(pCsr, FTS5CSR_EOF) ); + /* If this cursor uses FTS5_PLAN_MATCH and this is a tokendata=1 table, + ** clear any token mappings accumulated at the fts5_index.c level. In + ** other cases, specifically FTS5_PLAN_SOURCE and FTS5_PLAN_SORTED_MATCH, + ** we need to retain the mappings for the entire query. */ + if( pCsr->ePlan==FTS5_PLAN_MATCH + && ((Fts5Table*)pCursor->pVtab)->pConfig->bTokendata + ){ + sqlite3Fts5ExprClearTokens(pCsr->pExpr); + } + if( pCsr->ePlan<3 ){ int bSkip = 0; if( (rc = fts5CursorReseek(pCsr, &bSkip)) || bSkip ) return rc; @@ -238798,6 +248908,9 @@ static int fts5FilterMethod( pCsr->iFirstRowid = fts5GetRowidLimit(pRowidGe, SMALLEST_INT64); } + rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + if( rc!=SQLITE_OK ) goto filter_out; + if( pTab->pSortCsr ){ /* If pSortCsr is non-NULL, then this call is being made as part of ** processing for a "... MATCH ORDER BY rank" query (ePlan is @@ -238820,6 +248933,7 @@ static int fts5FilterMethod( pCsr->pExpr = pTab->pSortCsr->pExpr; rc = fts5CursorFirst(pTab, pCsr, bDesc); }else if( pCsr->pExpr ){ + assert( rc==SQLITE_OK ); rc = fts5CursorParseRank(pConfig, pCsr, pRank); if( rc==SQLITE_OK ){ if( bOrderByRank ){ @@ -238991,6 +249105,7 @@ static int fts5SpecialInsert( Fts5Config *pConfig = pTab->p.pConfig; int rc = SQLITE_OK; int bError = 0; + int bLoadConfig = 0; if( 0==sqlite3_stricmp("delete-all", zCmd) ){ if( pConfig->eContent==FTS5_CONTENT_NORMAL ){ @@ -239002,6 +249117,7 @@ static int fts5SpecialInsert( }else{ rc = sqlite3Fts5StorageDeleteAll(pTab->pStorage); } + bLoadConfig = 1; }else if( 0==sqlite3_stricmp("rebuild", zCmd) ){ if( pConfig->eContent==FTS5_CONTENT_NONE ){ fts5SetVtabError(pTab, @@ -239011,6 +249127,7 @@ static int fts5SpecialInsert( }else{ rc = sqlite3Fts5StorageRebuild(pTab->pStorage); } + bLoadConfig = 1; }else if( 0==sqlite3_stricmp("optimize", zCmd) ){ rc = sqlite3Fts5StorageOptimize(pTab->pStorage); }else if( 0==sqlite3_stricmp("merge", zCmd) ){ @@ -239023,8 +249140,13 @@ static int fts5SpecialInsert( }else if( 0==sqlite3_stricmp("prefix-index", zCmd) ){ pConfig->bPrefixIndex = sqlite3_value_int(pVal); #endif + }else if( 0==sqlite3_stricmp("flush", zCmd) ){ + rc = sqlite3Fts5FlushToDisk(&pTab->p); }else{ - rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + rc = sqlite3Fts5FlushToDisk(&pTab->p); + if( rc==SQLITE_OK ){ + rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + } if( rc==SQLITE_OK ){ rc = sqlite3Fts5ConfigSetValue(pTab->p.pConfig, zCmd, pVal, &bError); } @@ -239036,6 +249158,12 @@ static int fts5SpecialInsert( } } } + + if( rc==SQLITE_OK && bLoadConfig ){ + pTab->p.pConfig->iCookie--; + rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + } + return rc; } @@ -239092,6 +249220,7 @@ static int fts5UpdateMethod( Fts5Config *pConfig = pTab->p.pConfig; int eType0; /* value_type() of apVal[0] */ int rc = SQLITE_OK; /* Return code */ + int bUpdateOrDelete = 0; /* A transaction must be open when this is called. */ assert( pTab->ts.eState==1 || pTab->ts.eState==2 ); @@ -239102,6 +249231,11 @@ static int fts5UpdateMethod( || sqlite3_value_type(apVal[0])==SQLITE_NULL ); assert( pTab->p.pConfig->pzErrmsg==0 ); + if( pConfig->pgsz==0 ){ + rc = sqlite3Fts5IndexLoadConfig(pTab->p.pIndex); + if( rc!=SQLITE_OK ) return rc; + } + pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; /* Put any active cursors into REQUIRE_SEEK state. */ @@ -239116,7 +249250,14 @@ static int fts5UpdateMethod( if( pConfig->eContent!=FTS5_CONTENT_NORMAL && 0==sqlite3_stricmp("delete", z) ){ - rc = fts5SpecialDelete(pTab, apVal); + if( pConfig->bContentlessDelete ){ + fts5SetVtabError(pTab, + "'delete' may not be used with a contentless_delete=1 table" + ); + rc = SQLITE_ERROR; + }else{ + rc = fts5SpecialDelete(pTab, apVal); + } }else{ rc = fts5SpecialInsert(pTab, z, apVal[2 + pConfig->nCol + 1]); } @@ -239133,7 +249274,7 @@ static int fts5UpdateMethod( ** Cases 3 and 4 may violate the rowid constraint. */ int eConflict = SQLITE_ABORT; - if( pConfig->eContent==FTS5_CONTENT_NORMAL ){ + if( pConfig->eContent==FTS5_CONTENT_NORMAL || pConfig->bContentlessDelete ){ eConflict = sqlite3_vtab_on_conflict(pConfig->db); } @@ -239141,8 +249282,12 @@ static int fts5UpdateMethod( assert( nArg!=1 || eType0==SQLITE_INTEGER ); /* Filter out attempts to run UPDATE or DELETE on contentless tables. - ** This is not suported. */ - if( eType0==SQLITE_INTEGER && fts5IsContentless(pTab) ){ + ** This is not suported. Except - they are both supported if the CREATE + ** VIRTUAL TABLE statement contained "contentless_delete=1". */ + if( eType0==SQLITE_INTEGER + && pConfig->eContent==FTS5_CONTENT_NONE + && pConfig->bContentlessDelete==0 + ){ pTab->p.base.zErrMsg = sqlite3_mprintf( "cannot %s contentless fts5 table: %s", (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName @@ -239154,6 +249299,7 @@ static int fts5UpdateMethod( else if( nArg==1 ){ i64 iDel = sqlite3_value_int64(apVal[0]); /* Rowid to delete */ rc = sqlite3Fts5StorageDelete(pTab->pStorage, iDel, 0); + bUpdateOrDelete = 1; } /* INSERT or UPDATE */ @@ -239165,10 +249311,12 @@ static int fts5UpdateMethod( } else if( eType0!=SQLITE_INTEGER ){ - /* If this is a REPLACE, first remove the current entry (if any) */ + /* An INSERT statement. If the conflict-mode is REPLACE, first remove + ** the current entry (if any). */ if( eConflict==SQLITE_REPLACE && eType1==SQLITE_INTEGER ){ i64 iNew = sqlite3_value_int64(apVal[1]); /* Rowid to delete */ rc = sqlite3Fts5StorageDelete(pTab->pStorage, iNew, 0); + bUpdateOrDelete = 1; } fts5StorageInsert(&rc, pTab, apVal, pRowid); } @@ -239197,10 +249345,24 @@ static int fts5UpdateMethod( rc = sqlite3Fts5StorageDelete(pTab->pStorage, iOld, 0); fts5StorageInsert(&rc, pTab, apVal, pRowid); } + bUpdateOrDelete = 1; } } } + if( rc==SQLITE_OK + && bUpdateOrDelete + && pConfig->bSecureDelete + && pConfig->iVersion==FTS5_CURRENT_VERSION + ){ + rc = sqlite3Fts5StorageConfigValue( + pTab->pStorage, "version", 0, FTS5_CURRENT_VERSION_SECUREDELETE + ); + if( rc==SQLITE_OK ){ + pConfig->iVersion = FTS5_CURRENT_VERSION_SECUREDELETE; + } + } + pTab->p.pConfig->pzErrmsg = 0; return rc; } @@ -239213,8 +249375,7 @@ static int fts5SyncMethod(sqlite3_vtab *pVtab){ Fts5FullTable *pTab = (Fts5FullTable*)pVtab; fts5CheckTransactionState(pTab, FTS5_SYNC, 0); pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; - fts5TripCursors(pTab); - rc = sqlite3Fts5StorageSync(pTab->pStorage); + rc = sqlite3Fts5FlushToDisk(&pTab->p); pTab->p.pConfig->pzErrmsg = 0; return rc; } @@ -239310,7 +249471,10 @@ static int fts5ApiColumnText( ){ int rc = SQLITE_OK; Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; - if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab)) + Fts5Table *pTab = (Fts5Table*)(pCsr->base.pVtab); + if( iCol<0 || iCol>=pTab->pConfig->nCol ){ + rc = SQLITE_RANGE; + }else if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab)) || pCsr->ePlan==FTS5_PLAN_SPECIAL ){ *pz = 0; @@ -239335,8 +249499,9 @@ static int fts5CsrPoslist( int rc = SQLITE_OK; int bLive = (pCsr->pSorter==0); - if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_POSLIST) ){ - + if( iPhrase<0 || iPhrase>=sqlite3Fts5ExprPhraseCount(pCsr->pExpr) ){ + rc = SQLITE_RANGE; + }else if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_POSLIST) ){ if( pConfig->eDetail!=FTS5_DETAIL_FULL ){ Fts5PoslistPopulator *aPopulator; int i; @@ -239360,15 +249525,21 @@ static int fts5CsrPoslist( CsrFlagClear(pCsr, FTS5CSR_REQUIRE_POSLIST); } - if( pCsr->pSorter && pConfig->eDetail==FTS5_DETAIL_FULL ){ - Fts5Sorter *pSorter = pCsr->pSorter; - int i1 = (iPhrase==0 ? 0 : pSorter->aIdx[iPhrase-1]); - *pn = pSorter->aIdx[iPhrase] - i1; - *pa = &pSorter->aPoslist[i1]; + if( rc==SQLITE_OK ){ + if( pCsr->pSorter && pConfig->eDetail==FTS5_DETAIL_FULL ){ + Fts5Sorter *pSorter = pCsr->pSorter; + int i1 = (iPhrase==0 ? 0 : pSorter->aIdx[iPhrase-1]); + *pn = pSorter->aIdx[iPhrase] - i1; + *pa = &pSorter->aPoslist[i1]; + }else{ + *pn = sqlite3Fts5ExprPoslist(pCsr->pExpr, iPhrase, pa); + } }else{ - *pn = sqlite3Fts5ExprPoslist(pCsr->pExpr, iPhrase, pa); + *pa = 0; + *pn = 0; } + return rc; } @@ -239475,12 +249646,6 @@ static int fts5ApiInst( ){ if( iIdx<0 || iIdx>=pCsr->nInstCount ){ rc = SQLITE_RANGE; -#if 0 - }else if( fts5IsOffsetless((Fts5Table*)pCsr->base.pVtab) ){ - *piPhrase = pCsr->aInst[iIdx*3]; - *piCol = pCsr->aInst[iIdx*3 + 2]; - *piOff = -1; -#endif }else{ *piPhrase = pCsr->aInst[iIdx*3]; *piCol = pCsr->aInst[iIdx*3 + 1]; @@ -239735,13 +249900,56 @@ static int fts5ApiPhraseFirstColumn( return rc; } +/* +** xQueryToken() API implemenetation. +*/ +static int fts5ApiQueryToken( + Fts5Context* pCtx, + int iPhrase, + int iToken, + const char **ppOut, + int *pnOut +){ + Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; + return sqlite3Fts5ExprQueryToken(pCsr->pExpr, iPhrase, iToken, ppOut, pnOut); +} + +/* +** xInstToken() API implemenetation. +*/ +static int fts5ApiInstToken( + Fts5Context *pCtx, + int iIdx, + int iToken, + const char **ppOut, int *pnOut +){ + Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; + int rc = SQLITE_OK; + if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_INST)==0 + || SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) + ){ + if( iIdx<0 || iIdx>=pCsr->nInstCount ){ + rc = SQLITE_RANGE; + }else{ + int iPhrase = pCsr->aInst[iIdx*3]; + int iCol = pCsr->aInst[iIdx*3 + 1]; + int iOff = pCsr->aInst[iIdx*3 + 2]; + i64 iRowid = fts5CursorRowid(pCsr); + rc = sqlite3Fts5ExprInstToken( + pCsr->pExpr, iRowid, iPhrase, iCol, iOff, iToken, ppOut, pnOut + ); + } + } + return rc; +} + static int fts5ApiQueryPhrase(Fts5Context*, int, void*, int(*)(const Fts5ExtensionApi*, Fts5Context*, void*) ); static const Fts5ExtensionApi sFts5Api = { - 2, /* iVersion */ + 3, /* iVersion */ fts5ApiUserData, fts5ApiColumnCount, fts5ApiRowCount, @@ -239761,6 +249969,8 @@ static const Fts5ExtensionApi sFts5Api = { fts5ApiPhraseNext, fts5ApiPhraseFirstColumn, fts5ApiPhraseNextColumn, + fts5ApiQueryToken, + fts5ApiInstToken }; /* @@ -239981,6 +250191,12 @@ static int fts5ColumnMethod( sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1)); } pConfig->pzErrmsg = 0; + }else if( pConfig->bContentlessDelete && sqlite3_vtab_nochange(pCtx) ){ + char *zErr = sqlite3_mprintf("cannot UPDATE a subset of " + "columns on fts5 contentless-delete table: %s", pConfig->zName + ); + sqlite3_result_error(pCtx, zErr, -1); + sqlite3_free(zErr); } return rc; } @@ -240019,8 +250235,10 @@ static int fts5RenameMethod( sqlite3_vtab *pVtab, /* Virtual table handle */ const char *zName /* New name of table */ ){ + int rc; Fts5FullTable *pTab = (Fts5FullTable*)pVtab; - return sqlite3Fts5StorageRename(pTab->pStorage, zName); + rc = sqlite3Fts5StorageRename(pTab->pStorage, zName); + return rc; } static int sqlite3Fts5FlushToDisk(Fts5Table *pTab){ @@ -240034,9 +250252,15 @@ static int sqlite3Fts5FlushToDisk(Fts5Table *pTab){ ** Flush the contents of the pending-terms table to disk. */ static int fts5SavepointMethod(sqlite3_vtab *pVtab, int iSavepoint){ - UNUSED_PARAM(iSavepoint); /* Call below is a no-op for NDEBUG builds */ - fts5CheckTransactionState((Fts5FullTable*)pVtab, FTS5_SAVEPOINT, iSavepoint); - return sqlite3Fts5FlushToDisk((Fts5Table*)pVtab); + Fts5FullTable *pTab = (Fts5FullTable*)pVtab; + int rc = SQLITE_OK; + + fts5CheckTransactionState(pTab, FTS5_SAVEPOINT, iSavepoint); + rc = sqlite3Fts5FlushToDisk((Fts5Table*)pVtab); + if( rc==SQLITE_OK ){ + pTab->iSavepoint = iSavepoint+1; + } + return rc; } /* @@ -240045,9 +250269,16 @@ static int fts5SavepointMethod(sqlite3_vtab *pVtab, int iSavepoint){ ** This is a no-op. */ static int fts5ReleaseMethod(sqlite3_vtab *pVtab, int iSavepoint){ - UNUSED_PARAM(iSavepoint); /* Call below is a no-op for NDEBUG builds */ - fts5CheckTransactionState((Fts5FullTable*)pVtab, FTS5_RELEASE, iSavepoint); - return sqlite3Fts5FlushToDisk((Fts5Table*)pVtab); + Fts5FullTable *pTab = (Fts5FullTable*)pVtab; + int rc = SQLITE_OK; + fts5CheckTransactionState(pTab, FTS5_RELEASE, iSavepoint); + if( (iSavepoint+1)iSavepoint ){ + rc = sqlite3Fts5FlushToDisk(&pTab->p); + if( rc==SQLITE_OK ){ + pTab->iSavepoint = iSavepoint; + } + } + return rc; } /* @@ -240057,10 +250288,14 @@ static int fts5ReleaseMethod(sqlite3_vtab *pVtab, int iSavepoint){ */ static int fts5RollbackToMethod(sqlite3_vtab *pVtab, int iSavepoint){ Fts5FullTable *pTab = (Fts5FullTable*)pVtab; - UNUSED_PARAM(iSavepoint); /* Call below is a no-op for NDEBUG builds */ + int rc = SQLITE_OK; fts5CheckTransactionState(pTab, FTS5_ROLLBACKTO, iSavepoint); fts5TripCursors(pTab); - return sqlite3Fts5StorageRollback(pTab->pStorage); + if( (iSavepoint+1)<=pTab->iSavepoint ){ + pTab->p.pConfig->pgsz = 0; + rc = sqlite3Fts5StorageRollback(pTab->pStorage); + } + return rc; } /* @@ -240262,7 +250497,7 @@ static void fts5SourceIdFunc( ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2024-01-15 17:01:13 1066602b2b1976fe58b5150777cced894af17c803e068f5918390d6915b46e1d", -1, SQLITE_TRANSIENT); } /* @@ -240280,9 +250515,46 @@ static int fts5ShadowName(const char *zName){ return 0; } +/* +** Run an integrity check on the FTS5 data structures. Return a string +** if anything is found amiss. Return a NULL pointer if everything is +** OK. +*/ +static int fts5IntegrityMethod( + sqlite3_vtab *pVtab, /* the FTS5 virtual table to check */ + const char *zSchema, /* Name of schema in which this table lives */ + const char *zTabname, /* Name of the table itself */ + int isQuick, /* True if this is a quick-check */ + char **pzErr /* Write error message here */ +){ + Fts5FullTable *pTab = (Fts5FullTable*)pVtab; + Fts5Config *pConfig = pTab->p.pConfig; + char *zSql; + char *zErr = 0; + int rc; + assert( pzErr!=0 && *pzErr==0 ); + UNUSED_PARAM(isQuick); + zSql = sqlite3_mprintf( + "INSERT INTO \"%w\".\"%w\"(\"%w\") VALUES('integrity-check');", + zSchema, zTabname, pConfig->zName); + if( zSql==0 ) return SQLITE_NOMEM; + rc = sqlite3_exec(pConfig->db, zSql, 0, 0, &zErr); + sqlite3_free(zSql); + if( (rc&0xff)==SQLITE_CORRUPT ){ + *pzErr = sqlite3_mprintf("malformed inverted index for FTS5 table %s.%s", + zSchema, zTabname); + }else if( rc!=SQLITE_OK ){ + *pzErr = sqlite3_mprintf("unable to validate the inverted index for" + " FTS5 table %s.%s: %s", + zSchema, zTabname, zErr); + } + sqlite3_free(zErr); + return SQLITE_OK; +} + static int fts5Init(sqlite3 *db){ static const sqlite3_module fts5Mod = { - /* iVersion */ 3, + /* iVersion */ 4, /* xCreate */ fts5CreateMethod, /* xConnect */ fts5ConnectMethod, /* xBestIndex */ fts5BestIndexMethod, @@ -240305,7 +250577,8 @@ static int fts5Init(sqlite3 *db){ /* xSavepoint */ fts5SavepointMethod, /* xRelease */ fts5ReleaseMethod, /* xRollbackTo */ fts5RollbackToMethod, - /* xShadowName */ fts5ShadowName + /* xShadowName */ fts5ShadowName, + /* xIntegrity */ fts5IntegrityMethod }; int rc; @@ -240475,10 +250748,10 @@ static int fts5StorageGetStmt( "INSERT INTO %Q.'%q_content' VALUES(%s)", /* INSERT_CONTENT */ "REPLACE INTO %Q.'%q_content' VALUES(%s)", /* REPLACE_CONTENT */ "DELETE FROM %Q.'%q_content' WHERE id=?", /* DELETE_CONTENT */ - "REPLACE INTO %Q.'%q_docsize' VALUES(?,?)", /* REPLACE_DOCSIZE */ + "REPLACE INTO %Q.'%q_docsize' VALUES(?,?%s)", /* REPLACE_DOCSIZE */ "DELETE FROM %Q.'%q_docsize' WHERE id=?", /* DELETE_DOCSIZE */ - "SELECT sz FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ + "SELECT sz%s FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ "REPLACE INTO %Q.'%q_config' VALUES(?,?)", /* REPLACE_CONFIG */ "SELECT %s FROM %s AS T", /* SCAN */ @@ -240526,6 +250799,19 @@ static int fts5StorageGetStmt( break; } + case FTS5_STMT_REPLACE_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName, + (pC->bContentlessDelete ? ",?" : "") + ); + break; + + case FTS5_STMT_LOOKUP_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], + (pC->bContentlessDelete ? ",origin" : ""), + pC->zDb, pC->zName + ); + break; + default: zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName); break; @@ -240715,9 +251001,11 @@ static int sqlite3Fts5StorageOpen( } if( rc==SQLITE_OK && pConfig->bColumnsize ){ - rc = sqlite3Fts5CreateTable( - pConfig, "docsize", "id INTEGER PRIMARY KEY, sz BLOB", 0, pzErr - ); + const char *zCols = "id INTEGER PRIMARY KEY, sz BLOB"; + if( pConfig->bContentlessDelete ){ + zCols = "id INTEGER PRIMARY KEY, sz BLOB, origin INTEGER"; + } + rc = sqlite3Fts5CreateTable(pConfig, "docsize", zCols, 0, pzErr); } if( rc==SQLITE_OK ){ rc = sqlite3Fts5CreateTable( @@ -240794,7 +251082,7 @@ static int fts5StorageDeleteFromIndex( ){ Fts5Config *pConfig = p->pConfig; sqlite3_stmt *pSeek = 0; /* SELECT to read row iDel from %_data */ - int rc; /* Return code */ + int rc = SQLITE_OK; /* Return code */ int rc2; /* sqlite3_reset() return code */ int iCol; Fts5InsertCtx ctx; @@ -240810,7 +251098,6 @@ static int fts5StorageDeleteFromIndex( ctx.pStorage = p; ctx.iCol = -1; - rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); for(iCol=1; rc==SQLITE_OK && iCol<=pConfig->nCol; iCol++){ if( pConfig->abUnindexed[iCol-1]==0 ){ const char *zText; @@ -240847,6 +251134,37 @@ static int fts5StorageDeleteFromIndex( return rc; } +/* +** This function is called to process a DELETE on a contentless_delete=1 +** table. It adds the tombstone required to delete the entry with rowid +** iDel. If successful, SQLITE_OK is returned. Or, if an error occurs, +** an SQLite error code. +*/ +static int fts5StorageContentlessDelete(Fts5Storage *p, i64 iDel){ + i64 iOrigin = 0; + sqlite3_stmt *pLookup = 0; + int rc = SQLITE_OK; + + assert( p->pConfig->bContentlessDelete ); + assert( p->pConfig->eContent==FTS5_CONTENT_NONE ); + + /* Look up the origin of the document in the %_docsize table. Store + ** this in stack variable iOrigin. */ + rc = fts5StorageGetStmt(p, FTS5_STMT_LOOKUP_DOCSIZE, &pLookup, 0); + if( rc==SQLITE_OK ){ + sqlite3_bind_int64(pLookup, 1, iDel); + if( SQLITE_ROW==sqlite3_step(pLookup) ){ + iOrigin = sqlite3_column_int64(pLookup, 1); + } + rc = sqlite3_reset(pLookup); + } + + if( rc==SQLITE_OK && iOrigin!=0 ){ + rc = sqlite3Fts5IndexContentlessDelete(p->pIndex, iOrigin, iDel); + } + + return rc; +} /* ** Insert a record into the %_docsize table. Specifically, do: @@ -240867,10 +251185,17 @@ static int fts5StorageInsertDocsize( rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0); if( rc==SQLITE_OK ){ sqlite3_bind_int64(pReplace, 1, iRowid); - sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); - sqlite3_step(pReplace); - rc = sqlite3_reset(pReplace); - sqlite3_bind_null(pReplace, 2); + if( p->pConfig->bContentlessDelete ){ + i64 iOrigin = 0; + rc = sqlite3Fts5IndexGetOrigin(p->pIndex, &iOrigin); + sqlite3_bind_int64(pReplace, 3, iOrigin); + } + if( rc==SQLITE_OK ){ + sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); + sqlite3_step(pReplace); + rc = sqlite3_reset(pReplace); + sqlite3_bind_null(pReplace, 2); + } } } return rc; @@ -240934,7 +251259,15 @@ static int sqlite3Fts5StorageDelete(Fts5Storage *p, i64 iDel, sqlite3_value **ap /* Delete the index records */ if( rc==SQLITE_OK ){ - rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); + } + + if( rc==SQLITE_OK ){ + if( p->pConfig->bContentlessDelete ){ + rc = fts5StorageContentlessDelete(p, iDel); + }else{ + rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + } } /* Delete the %_docsize record */ @@ -241011,7 +251344,7 @@ static int sqlite3Fts5StorageRebuild(Fts5Storage *p){ } if( rc==SQLITE_OK ){ - rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0); + rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, pConfig->pzErrmsg); } while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pScan) ){ @@ -241522,7 +251855,9 @@ static int sqlite3Fts5StorageSync(Fts5Storage *p){ i64 iLastRowid = sqlite3_last_insert_rowid(p->pConfig->db); if( p->bTotalsValid ){ rc = fts5StorageSaveTotals(p); - p->bTotalsValid = 0; + if( rc==SQLITE_OK ){ + p->bTotalsValid = 0; + } } if( rc==SQLITE_OK ){ rc = sqlite3Fts5IndexSync(p->pIndex); @@ -241796,6 +252131,12 @@ static const unsigned char sqlite3Utf8Trans1[] = { #endif /* ifndef SQLITE_AMALGAMATION */ +#define FTS5_SKIP_UTF8(zIn) { \ + if( ((unsigned char)(*(zIn++)))>=0xc0 ){ \ + while( (((unsigned char)*zIn) & 0xc0)==0x80 ){ zIn++; } \ + } \ +} + typedef struct Unicode61Tokenizer Unicode61Tokenizer; struct Unicode61Tokenizer { unsigned char aTokenChar[128]; /* ASCII range token characters */ @@ -242831,6 +253172,7 @@ static int fts5PorterTokenize( typedef struct TrigramTokenizer TrigramTokenizer; struct TrigramTokenizer { int bFold; /* True to fold to lower-case */ + int iFoldParam; /* Parameter to pass to Fts5UnicodeFold() */ }; /* @@ -242857,6 +253199,7 @@ static int fts5TriCreate( }else{ int i; pNew->bFold = 1; + pNew->iFoldParam = 0; for(i=0; rc==SQLITE_OK && ibFold = (zArg[0]=='0'); } + }else if( 0==sqlite3_stricmp(azArg[i], "remove_diacritics") ){ + if( (zArg[0]!='0' && zArg[0]!='1' && zArg[0]!='2') || zArg[1] ){ + rc = SQLITE_ERROR; + }else{ + pNew->iFoldParam = (zArg[0]!='0') ? 2 : 0; + } }else{ rc = SQLITE_ERROR; } } + + if( pNew->iFoldParam!=0 && pNew->bFold==0 ){ + rc = SQLITE_ERROR; + } + if( rc!=SQLITE_OK ){ fts5TriDelete((Fts5Tokenizer*)pNew); pNew = 0; @@ -242891,40 +253245,62 @@ static int fts5TriTokenize( TrigramTokenizer *p = (TrigramTokenizer*)pTok; int rc = SQLITE_OK; char aBuf[32]; + char *zOut = aBuf; + int ii; const unsigned char *zIn = (const unsigned char*)pText; const unsigned char *zEof = &zIn[nText]; u32 iCode; + int aStart[3]; /* Input offset of each character in aBuf[] */ UNUSED_PARAM(unusedFlags); - while( 1 ){ - char *zOut = aBuf; - int iStart = zIn - (const unsigned char*)pText; - const unsigned char *zNext; - READ_UTF8(zIn, zEof, iCode); - if( iCode==0 ) break; - zNext = zIn; - if( zInbFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); - WRITE_UTF8(zOut, iCode); + /* Populate aBuf[] with the characters for the first trigram. */ + for(ii=0; ii<3; ii++){ + do { + aStart[ii] = zIn - (const unsigned char*)pText; + READ_UTF8(zIn, zEof, iCode); + if( iCode==0 ) return SQLITE_OK; + if( p->bFold ) iCode = sqlite3Fts5UnicodeFold(iCode, p->iFoldParam); + }while( iCode==0 ); + WRITE_UTF8(zOut, iCode); + } + + /* At the start of each iteration of this loop: + ** + ** aBuf: Contains 3 characters. The 3 characters of the next trigram. + ** zOut: Points to the byte following the last character in aBuf. + ** aStart[3]: Contains the byte offset in the input text corresponding + ** to the start of each of the three characters in the buffer. + */ + assert( zIn<=zEof ); + while( 1 ){ + int iNext; /* Start of character following current tri */ + const char *z1; + + /* Read characters from the input up until the first non-diacritic */ + do { + iNext = zIn - (const unsigned char*)pText; READ_UTF8(zIn, zEof, iCode); if( iCode==0 ) break; - }else{ - break; - } - if( zInbFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); - WRITE_UTF8(zOut, iCode); - READ_UTF8(zIn, zEof, iCode); - if( iCode==0 ) break; - if( p->bFold ) iCode = sqlite3Fts5UnicodeFold(iCode, 0); - WRITE_UTF8(zOut, iCode); - }else{ - break; - } - rc = xToken(pCtx, 0, aBuf, zOut-aBuf, iStart, iStart + zOut-aBuf); - if( rc!=SQLITE_OK ) break; - zIn = zNext; + if( p->bFold ) iCode = sqlite3Fts5UnicodeFold(iCode, p->iFoldParam); + }while( iCode==0 ); + + /* Pass the current trigram back to fts5 */ + rc = xToken(pCtx, 0, aBuf, zOut-aBuf, aStart[0], iNext); + if( iCode==0 || rc!=SQLITE_OK ) break; + + /* Remove the first character from buffer aBuf[]. Append the character + ** with codepoint iCode. */ + z1 = aBuf; + FTS5_SKIP_UTF8(z1); + memmove(aBuf, z1, zOut - z1); + zOut -= (z1 - aBuf); + WRITE_UTF8(zOut, iCode); + + /* Update the aStart[] array */ + aStart[0] = aStart[1]; + aStart[1] = aStart[2]; + aStart[2] = iNext; } return rc; @@ -242947,7 +253323,9 @@ static int sqlite3Fts5TokenizerPattern( ){ if( xCreate==fts5TriCreate ){ TrigramTokenizer *p = (TrigramTokenizer*)pTok; - return p->bFold ? FTS5_PATTERN_LIKE : FTS5_PATTERN_GLOB; + if( p->iFoldParam==0 ){ + return p->bFold ? FTS5_PATTERN_LIKE : FTS5_PATTERN_GLOB; + } } return FTS5_PATTERN_NONE; } @@ -244736,7 +255114,7 @@ static int fts5VocabFilterMethod( if( pEq ){ zTerm = (const char *)sqlite3_value_text(pEq); nTerm = sqlite3_value_bytes(pEq); - f = 0; + f = FTS5INDEX_QUERY_NOTOKENDATA; }else{ if( pGe ){ zTerm = (const char *)sqlite3_value_text(pGe); @@ -244890,7 +255268,8 @@ static int sqlite3Fts5VocabInit(Fts5Global *pGlobal, sqlite3 *db){ /* xSavepoint */ 0, /* xRelease */ 0, /* xRollbackTo */ 0, - /* xShadowName */ 0 + /* xShadowName */ 0, + /* xIntegrity */ 0 }; void *p = (void*)pGlobal; @@ -245219,6 +255598,7 @@ static sqlite3_module stmtModule = { 0, /* xRelease */ 0, /* xRollbackTo */ 0, /* xShadowName */ + 0 /* xIntegrity */ }; #endif /* SQLITE_OMIT_VIRTUALTABLE */ diff --git a/src/3rdparty/sqlite3.h b/src/3rdparty/sqlite3.h index 7e43e1f1b4..c2d2456dde 100644 --- a/src/3rdparty/sqlite3.h +++ b/src/3rdparty/sqlite3.h @@ -146,9 +146,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.41.2" -#define SQLITE_VERSION_NUMBER 3041002 -#define SQLITE_SOURCE_ID "2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da" +#define SQLITE_VERSION "3.45.0" +#define SQLITE_VERSION_NUMBER 3045000 +#define SQLITE_SOURCE_ID "2024-01-15 17:01:13 1066602b2b1976fe58b5150777cced894af17c803e068f5918390d6915b46e1d" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -528,6 +528,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -1190,7 +1191,7 @@ struct sqlite3_io_methods { ** by clients within the current process, only within other processes. ** **
    4. [[SQLITE_FCNTL_CKSM_FILE]] -** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the ** [checksum VFS shim] only. ** **
    5. [[SQLITE_FCNTL_RESET_CACHE]] @@ -1655,20 +1656,23 @@ SQLITE_API int sqlite3_os_end(void); ** must ensure that no other SQLite interfaces are invoked by other ** threads while sqlite3_config() is running. ** -** The sqlite3_config() interface -** may only be invoked prior to library initialization using -** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. -** ^If sqlite3_config() is called after [sqlite3_initialize()] and before -** [sqlite3_shutdown()] then it will return SQLITE_MISUSE. -** Note, however, that ^sqlite3_config() can be called as part of the -** implementation of an application-defined [sqlite3_os_init()]. -** ** The first argument to sqlite3_config() is an integer ** [configuration option] that determines ** what property of SQLite is to be configured. Subsequent arguments ** vary depending on the [configuration option] ** in the first argument. ** +** For most configuration options, the sqlite3_config() interface +** may only be invoked prior to library initialization using +** [sqlite3_initialize()] or after shutdown by [sqlite3_shutdown()]. +** The exceptional configuration options that may be invoked at any time +** are called "anytime configuration options". +** ^If sqlite3_config() is called after [sqlite3_initialize()] and before +** [sqlite3_shutdown()] with a first argument that is not an anytime +** configuration option, then the sqlite3_config() call will return SQLITE_MISUSE. +** Note, however, that ^sqlite3_config() can be called as part of the +** implementation of an application-defined [sqlite3_os_init()]. +** ** ^When a configuration option is set, sqlite3_config() returns [SQLITE_OK]. ** ^If the option is unknown or SQLite is unable to set the option ** then this routine returns a non-zero [error code]. @@ -1776,6 +1780,23 @@ struct sqlite3_mem_methods { ** These constants are the available integer configuration options that ** can be passed as the first argument to the [sqlite3_config()] interface. ** +** Most of the configuration options for sqlite3_config() +** will only work if invoked prior to [sqlite3_initialize()] or after +** [sqlite3_shutdown()]. The few exceptions to this rule are called +** "anytime configuration options". +** ^Calling [sqlite3_config()] with a first argument that is not an +** anytime configuration option in between calls to [sqlite3_initialize()] and +** [sqlite3_shutdown()] is a no-op that returns SQLITE_MISUSE. +** +** The set of anytime configuration options can change (by insertions +** and/or deletions) from one release of SQLite to the next. +** As of SQLite version 3.42.0, the complete set of anytime configuration +** options is: +**
        +**
      • SQLITE_CONFIG_LOG +**
      • SQLITE_CONFIG_PCACHE_HDRSZ +**
      +** ** New configuration options may be added in future releases of SQLite. ** Existing configuration options might be discontinued. Applications ** should check the return code from [sqlite3_config()] to make sure that @@ -2106,7 +2127,7 @@ struct sqlite3_mem_methods { ** is stored in each sorted record and the required column values loaded ** from the database as records are returned in sorted order. The default ** value for this option is to never use this optimization. Specifying a -** negative value for this option restores the default behaviour. +** negative value for this option restores the default behavior. ** This option is only available if SQLite is compiled with the ** [SQLITE_ENABLE_SORTER_REFERENCES] compile-time option. ** @@ -2122,28 +2143,28 @@ struct sqlite3_mem_methods { ** compile-time option is not set, then the default maximum is 1073741824. ** */ -#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ -#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ -#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ -#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ -#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ -#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ -#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ -#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ -#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ -#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ -#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ -#define SQLITE_CONFIG_PCACHE 14 /* no-op */ -#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ -#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ -#define SQLITE_CONFIG_URI 17 /* int */ -#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ -#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ +#define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ +#define SQLITE_CONFIG_SERIALIZED 3 /* nil */ +#define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ +#define SQLITE_CONFIG_SCRATCH 6 /* No longer used */ +#define SQLITE_CONFIG_PAGECACHE 7 /* void*, int sz, int N */ +#define SQLITE_CONFIG_HEAP 8 /* void*, int nByte, int min */ +#define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ +#define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ +#define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +#define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ +#define SQLITE_CONFIG_PCACHE 14 /* no-op */ +#define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ +#define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ +#define SQLITE_CONFIG_URI 17 /* int */ +#define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ +#define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ -#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ -#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ +#define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ +#define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ #define SQLITE_CONFIG_PCACHE_HDRSZ 24 /* int *psz */ #define SQLITE_CONFIG_PMASZ 25 /* unsigned int szPma */ @@ -2281,7 +2302,7 @@ struct sqlite3_mem_methods { ** database handle, SQLite checks if this will mean that there are now no ** connections at all to the database. If so, it performs a checkpoint ** operation before closing the connection. This option may be used to -** override this behaviour. The first parameter passed to this operation +** override this behavior. The first parameter passed to this operation ** is an integer - positive to disable checkpoints-on-close, or zero (the ** default) to enable them, and negative to leave the setting unchanged. ** The second parameter is a pointer to an integer @@ -2378,7 +2399,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DML]] -**
    SQLITE_DBCONFIG_DQS_DML +**
    SQLITE_DBCONFIG_DQS_DML
    **
    The SQLITE_DBCONFIG_DQS_DML option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The @@ -2387,7 +2408,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_DQS_DDL]] -**
    SQLITE_DBCONFIG_DQS_DDL +**
    SQLITE_DBCONFIG_DQS_DDL
    **
    The SQLITE_DBCONFIG_DQS option activates or deactivates ** the legacy [double-quoted string literal] misfeature for DDL statements, ** such as CREATE TABLE and CREATE INDEX. The @@ -2396,7 +2417,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] -**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA +**
    SQLITE_DBCONFIG_TRUSTED_SCHEMA
    **
    The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to ** assume that database schemas are untainted by malicious content. ** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite @@ -2416,7 +2437,7 @@ struct sqlite3_mem_methods { **
    ** ** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] -**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT +**
    SQLITE_DBCONFIG_LEGACY_FILE_FORMAT
    **
    The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates ** the legacy file format flag. When activated, this flag causes all newly ** created database file to have a schema format version number (the 4-byte @@ -2425,7 +2446,7 @@ struct sqlite3_mem_methods { ** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, ** newly created databases are generally not understandable by SQLite versions ** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there -** is now scarcely any need to generated database files that are compatible +** is now scarcely any need to generate database files that are compatible ** all the way back to version 3.0.0, and so this setting is of little ** practical use, but is provided so that SQLite can continue to claim the ** ability to generate new database files that are compatible with version @@ -2434,8 +2455,40 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. **
    +** +** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] +**
    SQLITE_DBCONFIG_STMT_SCANSTATUS
    +**
    The SQLITE_DBCONFIG_STMT_SCANSTATUS option is only useful in +** SQLITE_ENABLE_STMT_SCANSTATUS builds. In this case, it sets or clears +** a flag that enables collection of the sqlite3_stmt_scanstatus_v2() +** statistics. For statistics to be collected, the flag must be set on +** the database handle both when the SQL statement is prepared and when it +** is stepped. The flag is set (collection of statistics is enabled) +** by default. This option takes two arguments: an integer and a pointer to +** an integer.. The first argument is 1, 0, or -1 to enable, disable, or +** leave unchanged the statement scanstatus option. If the second argument +** is not NULL, then the value of the statement scanstatus setting after +** processing the first argument is written into the integer that the second +** argument points to. +**
    +** +** [[SQLITE_DBCONFIG_REVERSE_SCANORDER]] +**
    SQLITE_DBCONFIG_REVERSE_SCANORDER
    +**
    The SQLITE_DBCONFIG_REVERSE_SCANORDER option changes the default order +** in which tables and indexes are scanned so that the scans start at the end +** and work toward the beginning rather than starting at the beginning and +** working toward the end. Setting SQLITE_DBCONFIG_REVERSE_SCANORDER is the +** same as setting [PRAGMA reverse_unordered_selects]. This option takes +** two arguments which are an integer and a pointer to an integer. The first +** argument is 1, 0, or -1 to enable, disable, or leave unchanged the +** reverse scan order flag, respectively. If the second argument is not NULL, +** then 0 or 1 is written into the integer that the second argument points to +** depending on if the reverse scan order flag is set after processing the +** first argument. +**
    +** ** */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -2456,7 +2509,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ #define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ #define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_STMT_SCANSTATUS 1018 /* int int* */ +#define SQLITE_DBCONFIG_REVERSE_SCANORDER 1019 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1019 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -2681,6 +2736,7 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether ** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); SQLITE_API int sqlite3_is_interrupted(sqlite3*); @@ -3334,8 +3390,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -3704,7 +3762,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: ** @@ -3817,7 +3875,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -3896,14 +3954,17 @@ SQLITE_API void sqlite3_free_filename(sqlite3_filename); ** ** ** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language -** text that describes the error, as either UTF-8 or UTF-16 respectively. +** text that describes the error, as either UTF-8 or UTF-16 respectively, +** or NULL if no error message is available. +** (See how SQLite handles [invalid UTF] for exceptions to this rule.) ** ^(Memory to hold the error message string is managed internally. ** The application does not need to worry about freeing the result. ** However, the error string might be overwritten or deallocated by ** subsequent calls to other SQLite interface functions.)^ ** -** ^The sqlite3_errstr() interface returns the English-language text -** that describes the [result code], as UTF-8. +** ^The sqlite3_errstr(E) interface returns the English-language text +** that describes the [result code] E, as UTF-8, or NULL if E is not an +** result code for which a text error message is available. ** ^(Memory to hold the error message string is managed internally ** and must not be freed by the application)^. ** @@ -4364,6 +4425,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -4527,7 +4623,7 @@ typedef struct sqlite3_context sqlite3_context; ** with it may be passed. ^It is called to dispose of the BLOB or string even ** if the call to the bind API fails, except the destructor is not called if ** the third parameter is a NULL pointer or the fourth parameter is negative. -** ^ (2) The special constant, [SQLITE_STATIC], may be passsed to indicate that +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that ** the application remains responsible for disposing of the object. ^In this ** case, the object and the provided pointer to it must remain valid until ** either the prepared statement is finalized or the same SQL parameter is @@ -5206,20 +5302,33 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. */ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); + /* ** CAPI3REF: Create Or Redefine SQL Functions ** KEYWORDS: {function creation routines} @@ -5430,7 +5539,7 @@ SQLITE_API int sqlite3_create_window_function( ** [application-defined SQL function] ** that has side-effects or that could potentially leak sensitive information. ** This will prevent attacks in which an application is tricked -** into using a database file that has had its schema surreptiously +** into using a database file that has had its schema surreptitiously ** modified to invoke the application-defined function in ways that are ** harmful. **

    @@ -5466,13 +5575,27 @@ SQLITE_API int sqlite3_create_window_function( ** ** ** [[SQLITE_SUBTYPE]]

    SQLITE_SUBTYPE
    -** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call +** The SQLITE_SUBTYPE flag indicates to SQLite that a function might call ** [sqlite3_value_subtype()] to inspect the sub-types of its arguments. -** Specifying this flag makes no difference for scalar or aggregate user -** functions. However, if it is not specified for a user-defined window -** function, then any sub-types belonging to arguments passed to the window -** function may be discarded before the window function is called (i.e. -** sqlite3_value_subtype() will always return 0). +** This flag instructs SQLite to omit some corner-case optimizations that +** might disrupt the operation of the [sqlite3_value_subtype()] function, +** causing it to return zero rather than the correct subtype(). +** SQL functions that invokes [sqlite3_value_subtype()] should have this +** property. If the SQLITE_SUBTYPE property is omitted, then the return +** value from [sqlite3_value_subtype()] might sometimes be zero even though +** a non-zero subtype was specified by the function argument expression. +** +** [[SQLITE_RESULT_SUBTYPE]]
    SQLITE_RESULT_SUBTYPE
    +** The SQLITE_RESULT_SUBTYPE flag indicates to SQLite that a function might call +** [sqlite3_result_subtype()] to cause a sub-type to be associated with its +** result. +** Every function that invokes [sqlite3_result_subtype()] should have this +** property. If it does not, then the call to [sqlite3_result_subtype()] +** might become a no-op if the function is used as term in an +** [expression index]. On the other hand, SQL functions that never invoke +** [sqlite3_result_subtype()] should avoid setting this property, as the +** purpose of this property is to disable certain optimizations that are +** incompatible with subtypes. **
    ** */ @@ -5480,6 +5603,7 @@ SQLITE_API int sqlite3_create_window_function( #define SQLITE_DIRECTONLY 0x000080000 #define SQLITE_SUBTYPE 0x000100000 #define SQLITE_INNOCUOUS 0x000200000 +#define SQLITE_RESULT_SUBTYPE 0x001000000 /* ** CAPI3REF: Deprecated Functions @@ -5676,6 +5800,12 @@ SQLITE_API int sqlite3_value_encoding(sqlite3_value*); ** information can be used to pass a limited amount of context from ** one SQL function to another. Use the [sqlite3_result_subtype()] ** routine to set the subtype for the return value of an SQL function. +** +** Every [application-defined SQL function] that invoke this interface +** should include the [SQLITE_SUBTYPE] property in the text +** encoding argument when the function is [sqlite3_create_function|registered]. +** If the [SQLITE_SUBTYPE] property is omitted, then sqlite3_value_subtype() +** might return zero instead of the upstream subtype in some corner cases. */ SQLITE_API unsigned int sqlite3_value_subtype(sqlite3_value*); @@ -5774,48 +5904,56 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** METHOD: sqlite3_context ** ** These functions may be used by (non-aggregate) SQL functions to -** associate metadata with argument values. If the same value is passed to -** multiple invocations of the same SQL function during query execution, under -** some circumstances the associated metadata may be preserved. An example -** of where this might be useful is in a regular-expression matching -** function. The compiled version of the regular expression can be stored as -** metadata associated with the pattern string. +** associate auxiliary data with argument values. If the same argument +** value is passed to multiple invocations of the same SQL function during +** query execution, under some circumstances the associated auxiliary data +** might be preserved. An example of where this might be useful is in a +** regular-expression matching function. The compiled version of the regular +** expression can be stored as auxiliary data associated with the pattern string. ** Then as long as the pattern string remains the same, ** the compiled regular expression can be reused on multiple ** invocations of the same function. ** -** ^The sqlite3_get_auxdata(C,N) interface returns a pointer to the metadata +** ^The sqlite3_get_auxdata(C,N) interface returns a pointer to the auxiliary data ** associated by the sqlite3_set_auxdata(C,N,P,X) function with the Nth argument ** value to the application-defined function. ^N is zero for the left-most -** function argument. ^If there is no metadata +** function argument. ^If there is no auxiliary data ** associated with the function argument, the sqlite3_get_auxdata(C,N) interface ** returns a NULL pointer. ** -** ^The sqlite3_set_auxdata(C,N,P,X) interface saves P as metadata for the N-th -** argument of the application-defined function. ^Subsequent +** ^The sqlite3_set_auxdata(C,N,P,X) interface saves P as auxiliary data for the +** N-th argument of the application-defined function. ^Subsequent ** calls to sqlite3_get_auxdata(C,N) return P from the most recent -** sqlite3_set_auxdata(C,N,P,X) call if the metadata is still valid or -** NULL if the metadata has been discarded. +** sqlite3_set_auxdata(C,N,P,X) call if the auxiliary data is still valid or +** NULL if the auxiliary data has been discarded. ** ^After each call to sqlite3_set_auxdata(C,N,P,X) where X is not NULL, ** SQLite will invoke the destructor function X with parameter P exactly -** once, when the metadata is discarded. -** SQLite is free to discard the metadata at any time, including: ** -** Note the last bullet in particular. The destructor X in +** Note the last two bullets in particular. The destructor X in ** sqlite3_set_auxdata(C,N,P,X) might be called immediately, before the ** sqlite3_set_auxdata() interface even returns. Hence sqlite3_set_auxdata() ** should be called near the end of the function implementation and the ** function implementation should not make any use of P after -** sqlite3_set_auxdata() has been called. +** sqlite3_set_auxdata() has been called. Furthermore, a call to +** sqlite3_get_auxdata() that occurs immediately after a corresponding call +** to sqlite3_set_auxdata() might still return NULL if an out-of-memory +** condition occurred during the sqlite3_set_auxdata() call or if the +** function is being evaluated during query planning rather than during +** query execution. ** -** ^(In practice, metadata is preserved between function calls for +** ^(In practice, auxiliary data is preserved between function calls for ** function parameters that are compile-time constants, including literal ** values and [parameters] and expressions composed from the same.)^ ** @@ -5825,10 +5963,67 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** ** These routines must be called from the same thread in which ** the SQL function is running. +** +** See also: [sqlite3_get_clientdata()] and [sqlite3_set_clientdata()]. */ SQLITE_API void *sqlite3_get_auxdata(sqlite3_context*, int N); SQLITE_API void sqlite3_set_auxdata(sqlite3_context*, int N, void*, void (*)(void*)); +/* +** CAPI3REF: Database Connection Client Data +** METHOD: sqlite3 +** +** These functions are used to associate one or more named pointers +** with a [database connection]. +** A call to sqlite3_set_clientdata(D,N,P,X) causes the pointer P +** to be attached to [database connection] D using name N. Subsequent +** calls to sqlite3_get_clientdata(D,N) will return a copy of pointer P +** or a NULL pointer if there were no prior calls to +** sqlite3_set_clientdata() with the same values of D and N. +** Names are compared using strcmp() and are thus case sensitive. +** +** If P and X are both non-NULL, then the destructor X is invoked with +** argument P on the first of the following occurrences: +** +** +** SQLite does not do anything with client data other than invoke +** destructors on the client data at the appropriate time. The intended +** use for client data is to provide a mechanism for wrapper libraries +** to store additional information about an SQLite database connection. +** +** There is no limit (other than available memory) on the number of different +** client data pointers (with different names) that can be attached to a +** single database connection. However, the implementation is optimized +** for the case of having only one or two different client data names. +** Applications and wrapper libraries are discouraged from using more than +** one client data name each. +** +** There is no way to enumerate the client data pointers +** associated with a database connection. The N parameter can be thought +** of as a secret key such that only code that knows the secret key is able +** to access the associated data. +** +** Security Warning: These interfaces should not be exposed in scripting +** languages or in other circumstances where it might be possible for an +** an attacker to invoke them. Any agent that can invoke these interfaces +** can probably also take control of the process. +** +** Database connection client data is only available for SQLite +** version 3.44.0 ([dateof:3.44.0]) and later. +** +** See also: [sqlite3_set_auxdata()] and [sqlite3_get_auxdata()]. +*/ +SQLITE_API void *sqlite3_get_clientdata(sqlite3*,const char*); +SQLITE_API int sqlite3_set_clientdata(sqlite3*, const char*, void*, void(*)(void*)); /* ** CAPI3REF: Constants Defining Special Destructor Behavior @@ -6030,6 +6225,20 @@ SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); ** higher order bits are discarded. ** The number of subtype bytes preserved by SQLite might increase ** in future releases of SQLite. +** +** Every [application-defined SQL function] that invokes this interface +** should include the [SQLITE_RESULT_SUBTYPE] property in its +** text encoding argument when the SQL function is +** [sqlite3_create_function|registered]. If the [SQLITE_RESULT_SUBTYPE] +** property is omitted from the function that invokes sqlite3_result_subtype(), +** then in some cases the sqlite3_result_subtype() might fail to set +** the result subtype. +** +** If SQLite is compiled with -DSQLITE_STRICT_SUBTYPE=1, then any +** SQL function that invokes the sqlite3_result_subtype() interface +** and that does not have the SQLITE_RESULT_SUBTYPE property will raise +** an error. Future versions of SQLite might enable -DSQLITE_STRICT_SUBTYPE=1 +** by default. */ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); @@ -6201,6 +6410,13 @@ SQLITE_API void sqlite3_activate_cerod( ** of the default VFS is not implemented correctly, or not implemented at ** all, then the behavior of sqlite3_sleep() may deviate from the description ** in the previous paragraphs. +** +** If a negative argument is passed to sqlite3_sleep() the results vary by +** VFS and operating system. Some system treat a negative argument as an +** instruction to sleep forever. Others understand it to mean do not sleep +** at all. ^In SQLite version 3.42.0 and later, a negative +** argument passed into sqlite3_sleep() is changed to zero before it is relayed +** down into the xSleep method of the VFS. */ SQLITE_API int sqlite3_sleep(int); @@ -6454,7 +6670,7 @@ SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName); SQLITE_API int sqlite3_txn_state(sqlite3*,const char *zSchema); /* -** CAPI3REF: Allowed return values from [sqlite3_txn_state()] +** CAPI3REF: Allowed return values from sqlite3_txn_state() ** KEYWORDS: {transaction state} ** ** These constants define the current transaction state of a database file. @@ -6586,7 +6802,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** ^Each call to the sqlite3_autovacuum_pages() interface overrides all ** previous invocations for that database connection. ^If the callback ** argument (C) to sqlite3_autovacuum_pages(D,C,P,X) is a NULL pointer, -** then the autovacuum steps callback is cancelled. The return value +** then the autovacuum steps callback is canceled. The return value ** from sqlite3_autovacuum_pages() is normally SQLITE_OK, but might ** be some other error code if something goes wrong. The current ** implementation will only return SQLITE_OK or SQLITE_MISUSE, but other @@ -7105,6 +7321,10 @@ struct sqlite3_module { /* The methods above are in versions 1 and 2 of the sqlite_module object. ** Those below are for version 3 and greater. */ int (*xShadowName)(const char*); + /* The methods above are in versions 1 through 3 of the sqlite_module object. + ** Those below are for version 4 and greater. */ + int (*xIntegrity)(sqlite3_vtab *pVTab, const char *zSchema, + const char *zTabName, int mFlags, char **pzErr); }; /* @@ -7592,7 +7812,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** code is returned and the transaction rolled back. ** ** Calling this function with an argument that is not a NULL pointer or an -** open blob handle results in undefined behaviour. ^Calling this routine +** open blob handle results in undefined behavior. ^Calling this routine ** with a null pointer (such as would be returned by a failed call to ** [sqlite3_blob_open()]) is a harmless no-op. ^Otherwise, if this function ** is passed a valid open blob handle, the values returned by the @@ -7819,18 +8039,20 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** ** ^(Some systems (for example, Windows 95) do not support the operation ** implemented by sqlite3_mutex_try(). On those systems, sqlite3_mutex_try() -** will always return SQLITE_BUSY. The SQLite core only ever uses -** sqlite3_mutex_try() as an optimization so this is acceptable -** behavior.)^ +** will always return SQLITE_BUSY. In most cases the SQLite core only uses +** sqlite3_mutex_try() as an optimization, so this is acceptable +** behavior. The exceptions are unix builds that set the +** SQLITE_ENABLE_SETLK_TIMEOUT build option. In that case a working +** sqlite3_mutex_try() is required.)^ ** ** ^The sqlite3_mutex_leave() routine exits a mutex that was ** previously entered by the same thread. The behavior ** is undefined if the mutex is not currently entered by the ** calling thread or is not currently allocated. ** -** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), or -** sqlite3_mutex_leave() is a NULL pointer, then all three routines -** behave as no-ops. +** ^If the argument to sqlite3_mutex_enter(), sqlite3_mutex_try(), +** sqlite3_mutex_leave(), or sqlite3_mutex_free() is a NULL pointer, +** then any of the four routines behaves as a no-op. ** ** See also: [sqlite3_mutex_held()] and [sqlite3_mutex_notheld()]. */ @@ -8072,6 +8294,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_PRNG_SAVE 5 #define SQLITE_TESTCTRL_PRNG_RESTORE 6 #define SQLITE_TESTCTRL_PRNG_RESET 7 /* NOT USED */ +#define SQLITE_TESTCTRL_FK_NO_ACTION 7 #define SQLITE_TESTCTRL_BITVEC_TEST 8 #define SQLITE_TESTCTRL_FAULT_INSTALL 9 #define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS 10 @@ -8079,6 +8302,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_ASSERT 12 #define SQLITE_TESTCTRL_ALWAYS 13 #define SQLITE_TESTCTRL_RESERVE 14 /* NOT USED */ +#define SQLITE_TESTCTRL_JSON_SELFCHECK 14 #define SQLITE_TESTCTRL_OPTIMIZATIONS 15 #define SQLITE_TESTCTRL_ISKEYWORD 16 /* NOT USED */ #define SQLITE_TESTCTRL_SCRATCHMALLOC 17 /* NOT USED */ @@ -8100,7 +8324,8 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_TRACEFLAGS 31 #define SQLITE_TESTCTRL_TUNE 32 #define SQLITE_TESTCTRL_LOGEST 33 -#define SQLITE_TESTCTRL_LAST 33 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -9556,7 +9781,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]
    SQLITE_VTAB_DIRECTONLY
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
    @@ -9564,18 +9789,28 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_INNOCUOUS]]
    SQLITE_VTAB_INNOCUOUS
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** identify that virtual table as being safe to use from within triggers ** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the ** virtual table can do no serious harm even if it is controlled by a ** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS ** flag unless absolutely necessary. **
    +** +** [[SQLITE_VTAB_USES_ALL_SCHEMAS]]
    SQLITE_VTAB_USES_ALL_SCHEMAS
    +**
    Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_USES_ALL_SCHEMA) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implementation +** instruct the query planner to begin at least a read transaction on +** all schemas ("main", "temp", and any ATTACH-ed databases) whenever the +** virtual table is used. +**
    ** */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 #define SQLITE_VTAB_INNOCUOUS 2 #define SQLITE_VTAB_DIRECTONLY 3 +#define SQLITE_VTAB_USES_ALL_SCHEMAS 4 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -9736,7 +9971,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); ** communicated to the xBestIndex method as a ** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use ** this constraint, it must set the corresponding -** aConstraintUsage[].argvIndex to a postive integer. ^(Then, under +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under ** the usual mode of handling IN operators, SQLite generates [bytecode] ** that invokes the [xFilter|xFilter() method] once for each value ** on the right-hand side of the IN operator.)^ Thus the virtual table @@ -10165,7 +10400,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** When the [sqlite3_blob_write()] API is used to update a blob column, ** the pre-update hook is invoked with SQLITE_DELETE. This is because the ** in this case the new values are not available. In this case, when a -** callback made with op==SQLITE_DELETE is actuall a write using the +** callback made with op==SQLITE_DELETE is actually a write using the ** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns ** the index of the column being written. In other cases, where the ** pre-update hook is being invoked for some other reason, including a @@ -10426,6 +10661,13 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** SQLITE_SERIALIZE_NOCOPY bit is set but no contiguous copy ** of the database exists. ** +** After the call, if the SQLITE_SERIALIZE_NOCOPY bit had been set, +** the returned buffer content will remain accessible and unchanged +** until either the next write operation on the connection or when +** the connection is closed, and applications must not modify the +** buffer. If the bit had been clear, the returned buffer will not +** be accessed by SQLite after the call. +** ** A call to sqlite3_serialize(D,S,P,F) might return NULL even if the ** SQLITE_SERIALIZE_NOCOPY bit is omitted from argument F if a memory ** allocation error occurs. @@ -10474,6 +10716,9 @@ SQLITE_API unsigned char *sqlite3_serialize( ** SQLite will try to increase the buffer size using sqlite3_realloc64() ** if writes on the database cause it to grow larger than M bytes. ** +** Applications must not modify the buffer P or invalidate it before +** the database connection D is closed. +** ** The sqlite3_deserialize() interface will fail with SQLITE_BUSY if the ** database is currently in a read transaction or is involved in a backup ** operation. @@ -10482,6 +10727,13 @@ SQLITE_API unsigned char *sqlite3_serialize( ** S argument to sqlite3_deserialize(D,S,P,N,M,F) is "temp" then the ** function returns SQLITE_ERROR. ** +** The deserialized database should not be in [WAL mode]. If the database +** is in WAL mode, then any attempt to use the database file will result +** in an [SQLITE_CANTOPEN] error. The application can set the +** [file format version numbers] (bytes 18 and 19) of the input database P +** to 0x01 prior to invoking sqlite3_deserialize(D,S,P,N,M,F) to force the +** database file into rollback mode and work around this limitation. +** ** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. @@ -10750,16 +11002,20 @@ SQLITE_API int sqlite3session_create( SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); /* -** CAPIREF: Conigure a Session Object +** CAPI3REF: Configure a Session Object ** METHOD: sqlite3_session ** ** This method is used to configure a session object after it has been -** created. At present the only valid value for the second parameter is -** [SQLITE_SESSION_OBJCONFIG_SIZE]. +** created. At present the only valid values for the second parameter are +** [SQLITE_SESSION_OBJCONFIG_SIZE] and [SQLITE_SESSION_OBJCONFIG_ROWID]. ** -** Arguments for sqlite3session_object_config() +*/ +SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); + +/* +** CAPI3REF: Options for sqlite3session_object_config ** -** The following values may passed as the the 4th parameter to +** The following values may passed as the the 2nd parameter to ** sqlite3session_object_config(). ** **
    SQLITE_SESSION_OBJCONFIG_SIZE
    @@ -10775,12 +11031,21 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); ** ** It is an error (SQLITE_MISUSE) to attempt to modify this setting after ** the first table has been attached to the session object. +** +**
    SQLITE_SESSION_OBJCONFIG_ROWID
    +** This option is used to set, clear or query the flag that enables +** collection of data for tables with no explicit PRIMARY KEY. +** +** Normally, tables with no explicit PRIMARY KEY are simply ignored +** by the sessions module. However, if this flag is set, it behaves +** as if such tables have a column "_rowid_ INTEGER PRIMARY KEY" inserted +** as their leftmost columns. +** +** It is an error (SQLITE_MISUSE) to attempt to modify this setting after +** the first table has been attached to the session object. */ -SQLITE_API int sqlite3session_object_config(sqlite3_session*, int op, void *pArg); - -/* -*/ -#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_SIZE 1 +#define SQLITE_SESSION_OBJCONFIG_ROWID 2 /* ** CAPI3REF: Enable Or Disable A Session Object @@ -11541,6 +11806,18 @@ SQLITE_API int sqlite3changeset_concat( ); +/* +** CAPI3REF: Upgrade the Schema of a Changeset/Patchset +*/ +SQLITE_API int sqlite3changeset_upgrade( + sqlite3 *db, + const char *zDb, + int nIn, const void *pIn, /* Input changeset */ + int *pnOut, void **ppOut /* OUT: Inverse of input */ +); + + + /* ** CAPI3REF: Changegroup Handle ** @@ -11587,6 +11864,38 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; */ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); +/* +** CAPI3REF: Add a Schema to a Changegroup +** METHOD: sqlite3_changegroup_schema +** +** This method may be used to optionally enforce the rule that the changesets +** added to the changegroup handle must match the schema of database zDb +** ("main", "temp", or the name of an attached database). If +** sqlite3changegroup_add() is called to add a changeset that is not compatible +** with the configured schema, SQLITE_SCHEMA is returned and the changegroup +** object is left in an undefined state. +** +** A changeset schema is considered compatible with the database schema in +** the same way as for sqlite3changeset_apply(). Specifically, for each +** table in the changeset, there exists a database table with: +** +**
      +**
    • The name identified by the changeset, and +**
    • at least as many columns as recorded in the changeset, and +**
    • the primary key columns in the same position as recorded in +** the changeset. +**
    +** +** The output of the changegroup object always has the same schema as the +** database nominated using this function. In cases where changesets passed +** to sqlite3changegroup_add() have fewer columns than the corresponding table +** in the database schema, these are filled in using the default column +** values from the database schema. This makes it possible to combined +** changesets that have different numbers of columns for a single table +** within a changegroup, provided that they are otherwise compatible. +*/ +SQLITE_API int sqlite3changegroup_schema(sqlite3_changegroup*, sqlite3*, const char *zDb); + /* ** CAPI3REF: Add A Changeset To A Changegroup ** METHOD: sqlite3_changegroup @@ -11655,13 +11964,18 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** If the new changeset contains changes to a table that is already present ** in the changegroup, then the number of columns and the position of the ** primary key columns for the table must be consistent. If this is not the -** case, this function fails with SQLITE_SCHEMA. If the input changeset -** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is -** returned. Or, if an out-of-memory condition occurs during processing, this -** function returns SQLITE_NOMEM. In all cases, if an error occurs the state -** of the final contents of the changegroup is undefined. +** case, this function fails with SQLITE_SCHEMA. Except, if the changegroup +** object has been configured with a database schema using the +** sqlite3changegroup_schema() API, then it is possible to combine changesets +** with different numbers of columns for a single table, provided that +** they are otherwise compatible. ** -** If no error occurs, SQLITE_OK is returned. +** If the input changeset appears to be corrupt and the corruption is +** detected, SQLITE_CORRUPT is returned. Or, if an out-of-memory condition +** occurs during processing, this function returns SQLITE_NOMEM. +** +** In all cases, if an error occurs the state of the final contents of the +** changegroup is undefined. If no error occurs, SQLITE_OK is returned. */ SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pData); @@ -11913,9 +12227,30 @@ SQLITE_API int sqlite3changeset_apply_v2( ** Invert the changeset before applying it. This is equivalent to inverting ** a changeset using sqlite3changeset_invert() before applying it. It is ** an error to specify this flag with a patchset. +** +**
    SQLITE_CHANGESETAPPLY_IGNORENOOP
    +** Do not invoke the conflict handler callback for any changes that +** would not actually modify the database even if they were applied. +** Specifically, this means that the conflict handler is not invoked +** for: +**
      +**
    • a delete change if the row being deleted cannot be found, +**
    • an update change if the modified fields are already set to +** their new values in the conflicting row, or +**
    • an insert change if all fields of the conflicting row match +** the row being inserted. +**
    +** +**
    SQLITE_CHANGESETAPPLY_FKNOACTION
    +** If this flag it set, then all foreign key constraints in the target +** database behave as if they were declared with "ON UPDATE NO ACTION ON +** DELETE NO ACTION", even if they are actually CASCADE, RESTRICT, SET NULL +** or SET DEFAULT. */ #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 +#define SQLITE_CHANGESETAPPLY_IGNORENOOP 0x0004 +#define SQLITE_CHANGESETAPPLY_FKNOACTION 0x0008 /* ** CAPI3REF: Constants Passed To The Conflict Handler @@ -12481,8 +12816,11 @@ struct Fts5PhraseIter { ** created with the "columnsize=0" option. ** ** xColumnText: -** This function attempts to retrieve the text of column iCol of the -** current document. If successful, (*pz) is set to point to a buffer +** If parameter iCol is less than zero, or greater than or equal to the +** number of columns in the table, SQLITE_RANGE is returned. +** +** Otherwise, this function attempts to retrieve the text of column iCol of +** the current document. If successful, (*pz) is set to point to a buffer ** containing the text in utf-8 encoding, (*pn) is set to the size in bytes ** (not characters) of the buffer and SQLITE_OK is returned. Otherwise, ** if an error occurs, an SQLite error code is returned and the final values @@ -12492,8 +12830,10 @@ struct Fts5PhraseIter { ** Returns the number of phrases in the current query expression. ** ** xPhraseSize: -** Returns the number of tokens in phrase iPhrase of the query. Phrases -** are numbered starting from zero. +** If parameter iCol is less than zero, or greater than or equal to the +** number of phrases in the current query, as returned by xPhraseCount, +** 0 is returned. Otherwise, this function returns the number of tokens in +** phrase iPhrase of the query. Phrases are numbered starting from zero. ** ** xInstCount: ** Set *pnInst to the total number of occurrences of all phrases within @@ -12509,12 +12849,13 @@ struct Fts5PhraseIter { ** Query for the details of phrase match iIdx within the current row. ** Phrase matches are numbered starting from zero, so the iIdx argument ** should be greater than or equal to zero and smaller than the value -** output by xInstCount(). +** output by xInstCount(). If iIdx is less than zero or greater than +** or equal to the value returned by xInstCount(), SQLITE_RANGE is returned. ** -** Usually, output parameter *piPhrase is set to the phrase number, *piCol +** Otherwise, output parameter *piPhrase is set to the phrase number, *piCol ** to the column in which it occurs and *piOff the token offset of the -** first token of the phrase. Returns SQLITE_OK if successful, or an error -** code (i.e. SQLITE_NOMEM) if an error occurs. +** first token of the phrase. SQLITE_OK is returned if successful, or an +** error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the ** "detail=none" or "detail=column" option. @@ -12540,6 +12881,10 @@ struct Fts5PhraseIter { ** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** +** If parameter iPhrase is less than zero, or greater than or equal to +** the number of phrases in the query, as returned by xPhraseCount(), +** this function returns SQLITE_RANGE. +** ** If the callback function returns any value other than SQLITE_OK, the ** query is abandoned and the xQueryPhrase function returns immediately. ** If the returned value is SQLITE_DONE, xQueryPhrase returns SQLITE_OK. @@ -12654,6 +12999,39 @@ struct Fts5PhraseIter { ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. +** +** xQueryToken(pFts5, iPhrase, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase iPhrase of the current +** query. Before returning, output parameter *ppToken is set to point +** to a buffer containing the requested token, and *pnToken to the +** size of this buffer in bytes. +** +** If iPhrase or iToken are less than zero, or if iPhrase is greater than +** or equal to the number of phrases in the query as reported by +** xPhraseCount(), or if iToken is equal to or greater than the number of +** tokens in the phrase, SQLITE_RANGE is returned and *ppToken and *pnToken + are both zeroed. +** +** The output text is not a copy of the query text that specified the +** token. It is the output of the tokenizer module. For tokendata=1 +** tables, this includes any embedded 0x00 and trailing data. +** +** xInstToken(pFts5, iIdx, iToken, ppToken, pnToken) +** This is used to access token iToken of phrase hit iIdx within the +** current row. If iIdx is less than zero or greater than or equal to the +** value returned by xInstCount(), SQLITE_RANGE is returned. Otherwise, +** output variable (*ppToken) is set to point to a buffer containing the +** matching document token, and (*pnToken) to the size of that buffer in +** bytes. This API is not available if the specified token matches a +** prefix query term. In that case both output variables are always set +** to 0. +** +** The output text is not a copy of the document text that was tokenized. +** It is the output of the tokenizer module. For tokendata=1 tables, this +** includes any embedded 0x00 and trailing data. +** +** This API can be quite slow if used with an FTS5 table created with the +** "detail=none" or "detail=column" option. */ struct Fts5ExtensionApi { int iVersion; /* Currently always set to 3 */ @@ -12691,6 +13069,13 @@ struct Fts5ExtensionApi { int (*xPhraseFirstColumn)(Fts5Context*, int iPhrase, Fts5PhraseIter*, int*); void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); + + /* Below this point are iVersion>=3 only */ + int (*xQueryToken)(Fts5Context*, + int iPhrase, int iToken, + const char **ppToken, int *pnToken + ); + int (*xInstToken)(Fts5Context*, int iIdx, int iToken, const char**, int*); }; /* @@ -12885,8 +13270,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -12934,7 +13319,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -12943,7 +13328,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -12951,7 +13336,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) );