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Router has now capability value which currently tells whether router session expects stream or individual, complete statements. With read con

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nection router stream is used and with read/write split router individual statements are passed to router.
Added new function to ROUTER_OBJECT : uint8_t (*getCapabilities)(ROUTER *instance, void* router_session); which is implemented in every route
r.

Added support for multi-statement packets in rwsplit router. In other words, if network packet includes multiple mysql statements, they are separated and passed to router one by one.

Multi-packet statements (those which exceeds network packet boundaries) are _not_ supported yet.
This commit is contained in:
VilhoRaatikka
2014-03-11 23:12:11 +02:00
parent c28892323a
commit cb6a976555
13 changed files with 701 additions and 422 deletions
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4
server/modules/include/readconnection.h
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@ -53,8 +53,8 @@ typedef struct router_client_session {
bool rses_closed; /*< true when closeSession is called */
BACKEND *backend; /*< Backend used by the client session */
DCB *backend_dcb; /*< DCB Connection to the backend */
struct router_client_session
*next;
struct router_client_session *next;
int rses_capabilities; /*< input type, for example */
#if defined(SS_DEBUG)
skygw_chk_t rses_chk_tail;
#endif