Hello Jerome, Sergei Golubchik will review your patch.
Thanks! On 05/05/2017 07:24 PM, jerome brauge wrote: > Hello everyone, > I've done a patch for MDEV-12137 based on branch bb-10.2-ext (DELETE > statement with the same source and target). > At this time the patch is for all sql_mode. > It could be interesting to add an information in explain plan to indicate the > extra step. > Something like : > +------+--------------------+------------+------+---------------+---------------+---------+--------------------+------+-------------+ > | id | select_type | table | type | possible_keys | key > | key_len | ref | rows | Extra | > +------+--------------------+------------+------+---------------+---------------+---------+--------------------+------+-------------+ > | 1 | DELETE | tab_delete | RND | NULL | NULL > | NULL | NULL | 1 | Using rowid | > | 1 | PRIMARY | tab_delete | ALL | NULL | NULL > | NULL | NULL | 1 | Using where | > | 2 | DEPENDENT SUBQUERY | b | ref | tab_delete_c1 | > tab_delete_c1 | 4 | test.tab_delete.c1 | 1 | Using index | > +------+--------------------+------------+------+---------------+---------------+---------+--------------------+------+-------------+ > > Can anyone review it ? > > Best regards, > Jérôme. > > _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp

