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68 lines
2.4 KiB
68 lines
2.4 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.example.mapper.CollectMapper">
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<sql id="Base_Column_List">
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id,user_id,business_id,goods_id
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</sql>
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<select id="selectAll" resultType="com.example.entity.Collect">
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select collect.*, business.name as businessName, goods.img as goodsImg, goods.name as goodsName, goods.price as goodsPrice, goods.unit as goodUnit
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from collect
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left join business on collect.business_id = business.id
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left join goods on collect.goods_id = goods.id
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<where>
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<if test="id != null"> and id= #{id}</if>
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<if test="userId != null"> and user_id = #{userId}</if>
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<if test="businessId != null"> and business_id = #{businessId}</if>
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<if test="goodsId != null"> and goods_id = #{goodsId}</if>
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</where>
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</select>
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<select id="selectById" resultType="com.example.entity.Collect">
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select
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<include refid="Base_Column_List" />
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from collect
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where id = #{id}
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</select>
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<delete id="deleteById">
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delete from collect
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where id = #{id}
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</delete>
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<insert id="insert" parameterType="com.example.entity.Collect" useGeneratedKeys="true">
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insert into collect
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<trim prefix="(" suffix=")" suffixOverrides=",">
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<if test="id != null">id,</if>
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<if test="userId != null">user_id,</if>
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<if test="businessId != null">business_id,</if>
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<if test="goodsId != null">goods_id,</if>
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</trim>
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<trim prefix="values (" suffix=")" suffixOverrides=",">
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<if test="id != null">#{id},</if>
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<if test="userId != null">#{userId},</if>
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<if test="businessId != null">#{businessId},</if>
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<if test="goodsId != null">#{goodsId},</if>
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</trim>
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</insert>
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<update id="updateById" parameterType="com.example.entity.Collect">
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update collect
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<set>
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<if test="userId != null">
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user_id = #{userId},
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</if>
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<if test="businessId != null">
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business_id = #{businessId},
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</if>
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<if test="goodsId != null">
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goods_id = #{goodsId},
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</if>
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</set>
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where id = #{id}
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</update>
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</mapper> |