id, created, brokerage_technicist_id, brokerage_sequence_id,deduction_amount SELECT ibs.id as sequenceId, ibs.brokerage_amount as totalAmount, (ibs.brokerage_amount- ifnull(ibtd.deduDone,0)) as notDeduAmount FROM item_brokerage_sequence ibs LEFT JOIN (select brokerage_sequence_id,sum(deduction_amount) as deduDone from item_brokerage_technicist_deduction GROUP BY brokerage_sequence_id) ibtd ON ibtd.brokerage_sequence_id = ibs.id WHERE ibs.user_id = #{userId} and ibs.cate = 'DEFAULT_AHEAD' and ifnull(ibtd.deduDone,0) < ibs.brokerage_amount order by ibs.id ASC