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MXS-2521:Route subseqenct COM_STMT_EXECUTE to the same server which first COM_STMT_EXECUTE was executed on

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This commit is contained in:
wuzang.hdp
2019-06-20 16:10:19 +08:00
committed by Johan Wikman
parent d15582d26d
commit 8d50450b5a
5 changed files with 60 additions and 17 deletions
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6
server/modules/routing/readwritesplit/rwsplitsession.hh
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@ -32,7 +32,7 @@ enum reply_state_t
rstostr((a)->get_reply_state()), rstostr(b));
typedef std::map<uint32_t, uint32_t> BackendHandleMap; /** Internal ID to external ID */
typedef std::map<uint32_t, uint32_t> ClientHandleMap; /** External ID to internal ID */
typedef std::map<uint32_t, uint64_t> ClientHandleMap; /** External ID to internal ID */
class RWBackend: public mxs::Backend
{
@ -171,6 +171,7 @@ struct RouteInfo
uint8_t command; /**< The command byte, 0xff for unknown commands */
uint32_t type; /**< The query type, QUERY_TYPE_UNKNOWN for unknown types*/
uint32_t stmt_id; /**< Prepared statement ID, 0 for unknown */
uint16_t n_params; /**< Prepared statement params count */
};
/**
@ -202,7 +203,8 @@ static inline const char* rstostr(reply_state_t state)
*
* @param rses Router client session
* @param buffer Buffer containing a binary protocol statement other than COM_STMT_PREPARE
* @param n_params statement parmas number
*
* @return The internal ID of the prepared statement that the buffer contents refer to
*/
uint32_t get_internal_ps_id(RWSplitSession* rses, GWBUF* buffer);
uint32_t get_internal_ps_id(RWSplitSession* rses, GWBUF* buffer, uint16_t* n_params);