ݿʧYou have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '42,46,73,74,75,76,77,44,53,54,45,65,61,62,63,66,67,68,69,83,84,47,48,58,59,60,72' at line 1
sql:select id from rd_maintb where category in (,42,46,73,74,75,76,77,44,53,54,45,65,61,62,63,66,67,68,69,83,84,47,48,58,59,60,72,81,70,79,82,87,91,93)