Handle Server session state flag in OKPacket.
This will permit :
- Driver will know when database is changed by query
- have a more effective cache for prepare statement since exact same query can be prepare on 2 differents schema
- switching between 2 connections when replication and reset the changed database
- when using rewriteBatchedStatements and session variable @auto_increment_increment has change during session, ensure that generatedKeys are valid.
|Handle CLIENT_DEPRECATE_EOF flag||Closed|