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MDEV-9312: storage engine not enforced during galera cluster replication

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Perform a post initialization of plugin-related variables
of wsrep threads after their global counterparts have been
initialized.
This commit is contained in:
Nirbhay Choubey
2016-09-28 13:26:13 -04:00
parent 7c38a94435
commit 6bb6f30ff9
7 changed files with 137 additions and 26 deletions
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9
sql/wsrep_mysqld.cc
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@ -36,6 +36,7 @@
#include <cstdlib>
#include "log_event.h"
#include <slave.h>
#include "sql_plugin.h" /* wsrep_plugins_pre_init() */
wsrep_t *wsrep = NULL;
/*
@ -792,7 +793,6 @@ void wsrep_thr_init()
DBUG_VOID_RETURN;
}
void wsrep_init_startup (bool first)
{
if (wsrep_init()) unireg_abort(1);
@ -803,6 +803,13 @@ void wsrep_init_startup (bool first)
wsrep_debug, wsrep_convert_LOCK_to_trx,
(wsrep_on_fun)wsrep_on);
/*
Pre-initialize global_system_variables.table_plugin with a dummy engine
(placeholder) required during the initialization of wsrep threads (THDs).
(see: plugin_thdvar_init())
*/
wsrep_plugins_pre_init();
/* Skip replication start if dummy wsrep provider is loaded */
if (!strcmp(wsrep_provider, WSREP_NONE)) return;