fangyuan
2022-11-17 e413320d3a72baf7a631aeb56c05456de3cb4f1f
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<?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.ycl.mapper.NewsColumnInformationDao">
 
    <resultMap type="com.ycl.entity.NewsColumnInformation" id="NewsColumnInformationMap">
        <result property="id" column="id" jdbcType="INTEGER"/>
        <result property="columnId" column="column_id" jdbcType="INTEGER"/>
        <result property="informationId" column="information_id" jdbcType="INTEGER"/>
    </resultMap>
 
    <!-- 批量插入 -->
    <insert id="insertBatch" keyProperty="id" useGeneratedKeys="true">
        insert into news_website.news_column_information(column_id, information_id)
        values
        <foreach collection="entities" item="entity" separator=",">
        (#{entity.columnId}, #{entity.informationId})
        </foreach>
    </insert>
    <!-- 批量插入或按主键更新 -->
    <insert id="insertOrUpdateBatch" keyProperty="id" useGeneratedKeys="true">
        insert into news_website.news_column_information(column_id, information_id)
        values
        <foreach collection="entities" item="entity" separator=",">
            (#{entity.columnId}, #{entity.informationId})
        </foreach>
        on duplicate key update
         column_id = values(column_id) , information_id = values(information_id)     </insert>
 
</mapper>