syntax error 1: SELECT count(id) AS numrows FROM table_product where type='tin-dang' and hienthi=1 and dist=537 and loaitin='can-ban' and giamax>= and find_in_set('5',list_id)>0You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'and find_in_set('5',list_id)>0' at line 1