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Support for mysql session variable commands, for example, SET AUTOCOMMIT=0

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Session commands are identified by query clasisfier, and added to the session command property list in router client session object.
Session commands are then executed in existing backend servers but only one of them will reply to client.
This commit is contained in:
VilhoRaatikka
2014-02-26 20:07:09 +02:00
parent b673108276
commit 3e111534a1
6 changed files with 826 additions and 184 deletions
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18
utils/skygw_debug.h
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@ -117,7 +117,9 @@ typedef enum skygw_chk_t {
CHK_NUM_DCB,
CHK_NUM_PROTOCOL,
CHK_NUM_SESSION,
CHK_NUM_ROUTER_SES
CHK_NUM_ROUTER_SES,
CHK_NUM_MY_SESCMD,
CHK_NUM_ROUTER_PROPERTY
} skygw_chk_t;
# define STRBOOL(b) ((b) ? "true" : "false")
@ -428,7 +430,19 @@ typedef enum skygw_chk_t {
"Router client session has invalid check fields"); \
}
#define CHK_RSES_PROP(p) { \
ss_info_dassert((p)->rses_prop_chk_top == CHK_NUM_ROUTER_PROPERTY && \
(p)->rses_prop_chk_tail == CHK_NUM_ROUTER_PROPERTY, \
"Router property has invalid check fields"); \
}
#define CHK_MYSQL_SESCMD(s) { \
ss_info_dassert((s)->my_sescmd_chk_top == CHK_NUM_MY_SESCMD && \
(s)->my_sescmd_chk_tail == CHK_NUM_MY_SESCMD, \
"Session command has invalid check fields"); \
}
#if defined(SS_DEBUG)
bool conn_open[10240];
#endif