xiaoyong931011
2022-09-23 14bb69110fc779feb53c0f2fe4623a24467d4422
src/main/resources/mapper/modules/MallGoodsMapper.xml
@@ -255,4 +255,27 @@
            a.CREATED_TIME asc
    </select>
    <select id="findMallGoodsCommentLevelByGoodsId" resultType="cc.mrbird.febs.mall.vo.MallGoodsCommentVo">
        select
            (select count(z.id) from mall_goods_comment z where z.goods_id = #{id} and z.star <![CDATA[ > ]]> 4) greatNum,
            (select count(z.id) from mall_goods_comment z where z.goods_id = #{id}
                                                            and (z.star <![CDATA[ >= ]]> 3 and z.star <![CDATA[ <= ]]> 4)) goodNum,
            (select count(z.id) from mall_goods_comment z where z.goods_id = #{id} and (z.star <![CDATA[ < ]]> 3 )) badNum
        from mall_goods_comment a limit 1
    </select>
    <update id="upDateStockAndVolumeByGoodsId">
        update mall_goods
        set stock = stock - #{cnt},
            volume = volume + #{cnt}
        where id=#{id} and  stock - #{cnt} <![CDATA[ >= ]]> 0
    </update>
    <update id="updateStockAndVolumeByGoodsId">
        update mall_goods
        set stock = stock + #{cnt},
            volume = volume - #{cnt}
        where id=#{id} and  volume - #{cnt} <![CDATA[ >= ]]> 0
    </update>
</mapper>