Hello Jan,
Please find the detailed explanation here
https://jira.mariadb.org/browse/MDEV-21153?focusedCommentId=176249&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-176249
Thank you
S.Sujatha
On 04/01/21 3:47 pm, Jan Lindström wrote:
Hi Sujatha,
On Mon, Jan 4, 2021 at 11:45 AM sujatha <[email protected]
<mailto:[email protected]>> wrote:
+ for (TABLE_LIST *tables= rgi->tables_to_lock; tables;
+ tables= tables->next_global)
+ {
+ if (slave_run_triggers_for_rbr)
{
tables->trg_event_map= new_trg_event_map;
lex->query_tables_last= &tables->next_global;
}
+ else if (!WSREP_ON)
+ {
+ tables->slave_fk_event_map= new_trg_event_map;
+ lex->query_tables_last= &tables->next_global;
+ }
Why is prelocking not done when WSREP_ON ? (or WSREP(thd) ) In my
opinion it should be reasoned here with comment, many of our customers
actually use Galera as master-slave setup. Did you test your testcase
with Galera setup and did you check Galera test results on bb ?
Regards,
Jan
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