MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => select min(promote_price/market_price) as zk from `gjmm`.`ecs_goods` where goods_id in () ) [2] => Array ( [error] => Array ( [0] => 42000 [1] => 1064 [2] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 ) ) [3] => Array ( [errno] => 42000 ) )