We were parsing MySQL using bigendian even though the protocol is
specified as with "least significant byte first" [1]. This is most
problematic when parsing length encoded strings with 2 byte length
fields...
Further, I think, the EOF_Packet parsing was borked, either due to
testing the CLIENT_DEPRECATE_EOF with the wrong endianness, or due to
the workaround in Resultset processing raising mysql_ok(). Introduce a
new mysql_eof() that triggers for EOF_Packet's and remove the fake
mysql_ok() Resultset invocation to fix. Adapt the mysql script and tests
to account for the new event.
This is a quite backwards incompatible change on the event level, but
due to being quite buggy in general, doubt this matters to many.
I think there is more buried, but this fixes the violation of the simple
"SHOW ENGINE INNODB STATUS" and the existing tests continue to
succeed...
[1] https://dev.mysql.com/doc/dev/mysql-server/latest/page_protocol_basic_dt_integers.html
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