MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => SELECT DISTINCT(b.goods_id) FROM `xianhua_houtai`.`ecs_goods_attr` AS a, `xianhua_houtai`.`ecs_goods_attr` AS b WHERE b.attr_value = a.attr_value AND b.attr_id = 214 AND a.goods_attr_id = 33088 ) [2] => Array ( [error] => Query execution was interrupted ) [3] => Array ( [errno] => 1317 ) )