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Added check for case where backend's replication lag information is currently not available.

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VilhoRaatikka
2014-07-01 16:59:45 +03:00
parent 8ffca16368
commit e68d1f984b
1 changed files with 1 additions and 0 deletions
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server/modules/routing/readwritesplit/readwritesplit.c
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@ -1835,6 +1835,7 @@ static bool select_connect_backend_servers(
{ {
/* check also for relay servers and don't take the master_host */ /* check also for relay servers and don't take the master_host */
if (slaves_found < max_nslaves && if (slaves_found < max_nslaves &&
b->backend_server->rlag != -1 && /*< information currently not available */
b->backend_server->rlag <= max_slave_rlag && b->backend_server->rlag <= max_slave_rlag &&
(SERVER_IS_SLAVE(b->backend_server) || SERVER_IS_RELAY_SERVER(b->backend_server)) && (SERVER_IS_SLAVE(b->backend_server) || SERVER_IS_RELAY_SERVER(b->backend_server)) &&
(master_host != NULL && (b->backend_server != master_host->backend_server))) (master_host != NULL && (b->backend_server != master_host->backend_server)))