query_error [ SELECT CEIL( COUNT(*)/20 ) from ain_scd_teacher_order as o where o.partner_m_no= and o.ord_apply=1 and o.partner_step >= 1 ] message : 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 'and o.ord_apply=1 and o.partner_step >= 1' at line 1