SELECT * FROM biz_rfq_item WHERE rfq_id=#{rfqId} INSERT INTO biz_rfq_item(rfq_id,material_id,material_name,spec,unit,quantity,expected_price,remark) VALUES(#{rfqId},#{materialId},#{materialName},#{spec},#{unit},#{quantity},#{expectedPrice},#{remark}) DELETE FROM biz_rfq_item WHERE rfq_id=#{rfqId}