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Make session state change tracking conditional

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By making it conditional, we prevent the problems that arise when the
replication protocol is used in combination with the session state change
tracking. In addition to this, it prevents unnecessary work for routers
and filters that don't need it.
This commit is contained in:
Markus Mäkelä
2018-03-15 11:36:32 +02:00
parent f525822472
commit 20c5ca1619
4 changed files with 26 additions and 13 deletions
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10
server/modules/protocol/MySQL/mysql_common.cc
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@ -1229,8 +1229,14 @@ create_capabilities(MySQLProtocol *conn, bool with_ssl, bool db_specified, bool
/* Maybe it should depend on whether CA certificate is provided */
/* final_capabilities |= (uint32_t)GW_MYSQL_CAPABILITIES_SSL_VERIFY_SERVER_CERT; */
}
/** add session track */
final_capabilities |= (uint32_t)GW_MYSQL_CAPABILITIES_SESSION_TRACK;
uint64_t capabilities = service_get_capabilities(conn->owner_dcb->session->service);
if (rcap_type_required(capabilities, RCAP_TYPE_SESSION_STATE_TRACKING))
{
/** add session track */
final_capabilities |= (uint32_t)GW_MYSQL_CAPABILITIES_SESSION_TRACK;
}
/** support multi statments */
final_capabilities |= (uint32_t)GW_MYSQL_CAPABILITIES_MULTI_STATEMENTS;