<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.ruoyi.promotion.mapper.PromotionWishRecommendMapper">
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<!-- 通用查询映射结果 -->
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<resultMap id="BaseResultMap" type="com.ruoyi.system.api.domain.PromotionWishRecommend">
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<id column="id" property="id" />
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<result column="wish_id" property="wishId" />
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<result column="goods_name" property="goodsName" />
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<result column="selling_price" property="sellingPrice" />
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<result column="available_num" property="availableNum" />
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<result column="goods_image_url" property="goodsImageUrl" />
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<result column="expire_time" property="expireTime" />
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<result column="purchase_status" property="purchaseStatus" />
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<result column="create_by" property="createBy" />
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<result column="create_time" property="createTime" />
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<result column="update_by" property="updateBy" />
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<result column="update_time" property="updateTime" />
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<result column="del_flag" property="delFlag" />
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</resultMap>
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<update id="subRecommendAvailableNum">
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UPDATE t_promotion_wish_recommend SET available_num = available_num - #{goodsQuantity}
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WHERE id = #{id} AND available_num >= #{goodsQuantity}
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</update>
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</mapper>
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