Support for synchronous and journal_mode

scripts/base/frameworks/logging/writers/sqlite.zeek

@@ -21,5 +21,38 @@ export {
 	## String to use for empty fields. This should be different from
 	## *unset_field* to make the output unambiguous.
 	const empty_field = Log::empty_field &redef;
+	
+	type SQLiteSynchronous: enum {
+		SQLITE_SYNCHRONOUS_OFF,
+		SQLITE_SYNCHRONOUS_NORMAL,
+		SQLITE_SYNCHRONOUS_FULL,
+		SQLITE_SYNCHRONOUS_EXTRA,
+	};
+
+	## Values supported for SQLite's PRAGMA journal_mode statement.
+	type SQLiteJournalMode: enum {
+		SQLITE_JOURNAL_MODE_DELETE,
+		SQLITE_JOURNAL_MODE_TRUNCATE,
+		SQLITE_JOURNAL_MODE_PERIST,
+		SQLITE_JOURNAL_MODE_MEMORY,
+		SQLITE_JOURNAL_MODE_WAL,
+		SQLITE_JOURNAL_MODE_OFF,
+	};
+	
+	## If set, runs the PRAGMA synchronous statement with the
+	## provided value after connecting to the SQLite database. See
+	## `SQLite's synchronous documentation <https://www.sqlite.org/pragma.html#pragma_synchronous>`_
+	## for more details around performance and data safety trade offs.
+	
+	const synchronous = SQLITE_SYNCHRONOUS_FULL &redef;
+	
+	## If set, runs the PRAGMA journal_mode statement with the
+	## provided value after connecting to the SQLite database. See
+	## `SQLite's journal_mode documentation <https://www.sqlite.org/pragma.html#pragma_journal_mode>`_
+	## for more details around performance, data safety trade offs
+	## and interaction with the PRAGMA synchronous statement.
+	const journal_mode = SQLITE_JOURNAL_MODE_DELETE &redef;
+
+	
 }