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Unknown SQL commands are treated as writes

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This will prevent any possible damage to a slave by new or unexpected commands.
This commit is contained in:
Markus Makela
2016-03-02 13:49:12 +02:00
parent 2a35312022
commit 2589630b8e
2 changed files with 2 additions and 1 deletions
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1
query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
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@ -647,6 +647,7 @@ static qc_query_type_t resolve_query_type(THD* thd)
break; break;
default: default:
type |= QUERY_TYPE_WRITE;
break; break;
} }

2
server/modules/routing/readwritesplit/readwritesplit.c
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@ -1438,7 +1438,7 @@ static route_target_t get_route_target(ROUTER_CLIENT_SES *rses,
/** /**
* Hints may affect on routing of the following queries * Hints may affect on routing of the following queries
*/ */
else if (!trx_active && !load_active && else if (!trx_active && !load_active && !QUERY_IS_TYPE(qtype, QUERY_TYPE_WRITE) &&
(QUERY_IS_TYPE(qtype, QUERY_TYPE_READ) || /*< any SELECT */ (QUERY_IS_TYPE(qtype, QUERY_TYPE_READ) || /*< any SELECT */
QUERY_IS_TYPE(qtype, QUERY_TYPE_SHOW_TABLES) || /*< 'SHOW TABLES' */ QUERY_IS_TYPE(qtype, QUERY_TYPE_SHOW_TABLES) || /*< 'SHOW TABLES' */
QUERY_IS_TYPE(qtype, QUERY_TYPE_USERVAR_READ)|| /*< read user var */ QUERY_IS_TYPE(qtype, QUERY_TYPE_USERVAR_READ)|| /*< read user var */