SELECT op.an,op.oper_type,op.icd9 AS oper,op.opdate AS datein,op.optime AS timein,op.enddate AS dateout,
op.endtime AS timeout ,doctor.licenseno AS doctor,op.ext_code,op.ovst_oper_type
FROM iptoprt op
LEFT OUTER JOIN doctor ON doctor.code=op.doctor
WHERE op.an IN (xxx)
ORDER BY op.an,op.priority