maria-developers team mailing list archive

[sujatha <sujatha.sivakumar@xxxxxxxxxxx>]

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 <sujatha.sivakumar@xxxxxxxxxxx 
> <mailto:sujatha.sivakumar@xxxxxxxxxxx>> 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