prefix, number SELECT * from shop_number_seq where prefix="product_id" and number =(select max(product_id) from shop_product_base)+1 union SELECT * from shop_number_seq where prefix="item_id" and number =(select max(item_id) from shop_product_item)+1 SELECT * from shop_number_seq where prefix in("product_id","item_id") UPDATE shop_number_seq SET prefix = #{prefix}, number = #{number} WHERE prefix = #{prefix}