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MDEV-22021: Galera database could get inconsistent with rollback to savepoint

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When binlog is disabled, WSREP will not behave correctly when
SAVEPOINT ROLLBACK is executed since we don't register handlers for such case.
Fixed by registering WSREP handlerton for SAVEPOINT related commands.
This commit is contained in:
mkaruza
2020-03-26 09:45:03 +01:00
committed by Jan Lindström
parent 5001487632
commit 2d16452a31
10 changed files with 133 additions and 40 deletions
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14
sql/wsrep_binlog.cc
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@ -376,20 +376,6 @@ int wsrep_binlog_close_connection(THD* thd)
DBUG_RETURN(0);
}
int wsrep_binlog_savepoint_set(THD *thd, void *sv)
{
if (!wsrep_emulate_bin_log) return 0;
int rcode = binlog_hton->savepoint_set(binlog_hton, thd, sv);
return rcode;
}
int wsrep_binlog_savepoint_rollback(THD *thd, void *sv)
{
if (!wsrep_emulate_bin_log) return 0;
int rcode = binlog_hton->savepoint_rollback(binlog_hton, thd, sv);
return rcode;
}
#if 0
void wsrep_dump_rbr_direct(THD* thd, IO_CACHE* cache)
{