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MDEV-27806 GTIDs diverge in Galera cluster after CTAS

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Add OPTION_GTID_BEGIN to applying side thread. This is needed to avoid
intermediate commits when CREATE TABLE AS SELECT is applied, causing
one more GTID to be consumed with respect to executing node.

Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
This commit is contained in:
Daniele Sciascia
2023-12-12 02:53:36 +01:00
committed by Julius Goryavsky
parent 9ab7dbc3be
commit 61daac54d6
7 changed files with 120 additions and 0 deletions
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5
sql/wsrep_applier.cc
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@ -196,6 +196,11 @@ int wsrep_apply_events(THD* thd,
(thd->variables.option_bits & ~OPTION_SKIP_REPLICATION) |
(ev->flags & LOG_EVENT_SKIP_REPLICATION_F ? OPTION_SKIP_REPLICATION : 0);
if (ev->get_type_code() == GTID_EVENT)
{
thd->variables.option_bits &= ~OPTION_GTID_BEGIN;
}
ev->thd= thd;
exec_res= ev->apply_event(thd->wsrep_rgi);
DBUG_PRINT("info", ("exec_event result: %d", exec_res));