src/main/resources/mappers/MsgSinkMapper.xml

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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.sums.dao.MsgSinkMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.sums.entity.MsgSink">
        <id column="message_id" property="messageId" />
        <result column="receive_id" property="receiveId" />
        <result column="is_click" property="isClick" />
        <collection property="message" column="message_id" ofType="com.sums.entity.Message"
                    select="com.sums.dao.MessageMapper.getMessageById"/>
    </resultMap>

    <select id="getMsg" resultMap="BaseResultMap">
        select message_id,receive_id,is_click from msg_sink where receive_id=#{meId}
    </select>

    <select id="getIsClickNum" resultType="int">
        select count(*) from msg_sink where is_click = 0 and receive_id=#{meId}
    </select>

    <update id="click">
        update msg_sink set is_click = 1 where message_id = #{messageId} and receive_id = #{meId}
    </update>
    <delete id="delMsg">
        DELETE FROM msg_sink where message_id = #{messageId}
        <if test="meId != null">
            and receive_id = #{meId}
        </if>
    </delete>

    <insert id="addValues">
        INSERT INTO msg_sink (message_id,receive_id) values
        <foreach collection="list" item="id"  separator=",">
            (#{messageId}, #{id})
        </foreach>
    </insert>
</mapper>