select * from yc4_item
where (ca_id like '20%'
or ca_id2 like '20%'
or ca_id3 like '20%')
and it_use = '1' order by it_order, it_id desc limit ,
1064 : 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 5