2012-05-21 05:39:29.376139+00:00 https://api.launchpad.net/1.0/bugs/1002146 https://api.launchpad.net/1.0/~igorb-seattle https://api.launchpad.net/1.0/maria/+milestone/5.5 https://api.launchpad.net/1.0/bugs/1002146/linked_branches https://api.launchpad.net/1.0/bugs/1002146/activity https://bugs.launchpad.net/bugs/1002146 Igor Babaev Igor Babaev Maria 5.5 Confirmed Medium 2012-05-21 05:38:47.604235+00:00 7 GROUP BY field1; will use unneeded filesort: MariaDB [test]> explain SELECT t2.col_int_key AS field1 FROM t2 USE INDEX(col_int_key) STRAIGHT_JOIN t1 ON t2.t_key WHERE t2.pk < 7 AND t2.col_int_key <> 7 GROUP BY field1; +------+-------------+-------+-------+---------------+-------------+---------+------+------+-----------------------------------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +------+-------------+-------+-------+---------------+-------------+---------+------+------+-----------------------------------------------------+ | 1 | SIMPLE | t2 | range | col_int_key | col_int_key | 5 | NULL | 5 | Using where; Usinx; Using temporary; Using filesort | | 1 | SIMPLE | t1 | index | NULL | PRIMARY | 4 | NULL | 4 | Using index | +------+-------------+-------+-------+---------------+-------------+---------+------+------+-----------------------------------------------------+]]> bug Igor Babaev added bug maria: status Igor Babaev maria: importance Igor Babaev maria: assignee Igor Babaev maria: milestone Igor Babaev