lineage/ruoyi-system/src/main/resources/mapper/app/TbMyPublishMapper.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.ruoyi.app.mapper.TbMyPublishMapper">
    
    <resultMap type="TbMyPublish" id="TbMyPublishResult">
        <result property="id"    column="id"    />
        <result property="appUserId"    column="app_user_id"    />
        <result property="contents"    column="contents"    />
        <result property="message"    column="message"    />
        <result property="messageUserId"    column="message_user_id"    />
        <result property="deleted"    column="deleted"    />
        <result property="createBy"    column="create_by"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateBy"    column="update_by"    />
        <result property="updateTime"    column="update_time"    />
        <result property="remark"    column="remark"    />
    </resultMap>

    <select id="pageList" resultType="com.ruoyi.app.domain.TbMyPublish">
        select p.*,
        (select count(1) from tb_publish_comment c where c.publish_id = p.id) comments ,
        (select count(1) from tb_publish_thumbs t where t.publish_id = p.id) thumbs
        from tb_my_publish p ${ew.customSqlSegment}
    </select>

</mapper>