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Re: MariaDB / Galera BUG


Hi Andrew!

On Wed, Apr 15, 2015 at 11:45 AM, Andrew W Elble <aweits@xxxxxxx> wrote:

> Nirbhay,
>    We've been poking at this some more. Seems like we're retracing some
>    steps as documented here:
>    https://bugs.launchpad.net/codership-mysql/+bug/1052002
>    My patch will need to be reverted and replaced with something else.

Yes, after fixing MDEV-7995, I realized that your patch can be reverted.

>    MDEV-7673 is a regression caused by a portion of the fix for MDEV-6924.
>    Specifically this:
> in sql/sql_class.cc -> THD::binlog_query()
> #ifdef WITH_WSREP
>     /*
>       Even though wsrep only supports ROW binary log format, a user can set
>       binlog format to STATEMENT (wsrep_forced_binlog_format). In which
> case
>       the control might reach here even when binary logging (--log-bin) is
>       not enabled. This is possible because wsrep patch partially enables
>       binary logging by setting wsrep_emulate_binlog.
>     */
>     if (mysql_bin_log.is_open())
> #endif /* WITH_WSREP */

That's right, removed as part of fix for MDEV-7995.

> see sql/sql_insert.cc -> select_create::binlog_show_create_table()
>    There are other issues here which we're still trying to track down
>    (simultaneously running 'CREATE TABLE t1 AS SELECT SLEEP(30)' on
>    multiple nodes is bad, for instance). I wanted to at least start the


-- Nirbhay