tingshu/service/service-album/target/classes/mapper/AlbumInfoMapper.xml

<?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.atguigu.tingshu.album.mapper.AlbumInfoMapper">
    <select id="findUserAlbumPage" resultType="com.atguigu.tingshu.vo.album.AlbumListVo">
        select
        ai.id album_id,
        ai.album_title,
        ai.cover_url,
        ai.include_track_count,
        ai.is_finished,
        ai.status,
        sum(if(stat_type = '0401', stat_num, 0)) playStatNum,
        max(if(stat_type = '0402', stat_num, 0)) subscribeSta,
        max(if(stat_type = '0403', stat_num, 0)) buyStatNum,
        max(if(stat_type = '0404', stat_num, 0)) commentStatNum
        from album_info ai
        inner join album_stat stat on stat.album_id = ai.id and stat.is_deleted = 0
        <where>
            <if test="vo.userId != null">
                and ai.user_id = #{vo.userId}
            </if>
            <if test="vo.status != null and vo.status != ''">
                and ai.status = #{vo.status}
            </if>
            <if test="vo.albumTitle != null and vo.albumTitle != ''">
                and ai.album_title like concat('%', #{vo.albumTitle}, '%')
            </if>
            and ai.is_deleted = 0
        </where>
        group by ai.id
        order by ai.id desc
    </select>


</mapper>