<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.lframework.xingyun.sc.mappers.SaleOutSheetDetailLotMapper">
    <resultMap id="SaleOutSheetDetailLotDto" type="com.lframework.xingyun.sc.dto.sale.out.SaleOutSheetDetailLotDto">
        <id column="id" property="id"/>
        <result column="detail_id" property="detailId"/>
        <result column="order_num" property="orderNum"/>
        <result column="return_num" property="returnNum"/>
        <result column="cost_tax_amount" property="costTaxAmount"/>
        <result column="settle_status" property="settleStatus"/>
        <result column="order_no" property="orderNo"/>
    </resultMap>

    <sql id="SaleOutSheetDetailLotDto_sql">
        SELECT
            d.id,
            d.detail_id,
            d.order_num,
            d.return_num,
            d.cost_tax_amount,
            d.settle_status,
            d.order_no
        FROM tbl_sale_out_sheet_detail_lot AS d
    </sql>
    <update id="addReturnNum">
        UPDATE tbl_sale_out_sheet_detail_lot
        SET return_num = return_num + #{num}
        WHERE id = #{id}
          AND (order_num - return_num) >= #{num}
    </update>
    <update id="subReturnNum">
        UPDATE tbl_sale_out_sheet_detail_lot
        SET return_num = return_num - #{num}
        WHERE id = #{id}
          AND return_num >= #{num}
    </update>
    <select id="findById" resultMap="SaleOutSheetDetailLotDto">
        <include refid="SaleOutSheetDetailLotDto_sql"/>
        WHERE d.id = #{id}
    </select>
</mapper>