snd-escloud/target/classes/mapper/sys/ActivityCommentDao.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="platform.modules.sys.dao.ActivityCommentDao">

    <select id="findCommentList" resultType="platform.modules.sys.entity.ActivityComment">
        <if test="query.feedback_type != null and query.feedback_type ==0">
            select
              ac.comment, ac.create_time, 0 as feedback_type, ad.activity_title, ad.create_name, ac.is_view
            from ac_activity_comment ac
            left join ac_activity_detail ad on ad .id = ac.activity_id
            where ac.del_flag = false
            <if test="query.approval_status != null and query.approval_status != ''">
              and ac.approval_status = #{query.approval_status}
            </if>
        </if>
        <if test="query.feedback_type != null and query.feedback_type > 0">
            select
              af.content as comment, af.feedback_time as create_time, af.feedback_type, ad.activity_title, ad.create_name, af.is_view
            from ac_activity_feedback af
            left join ac_activity_detail ad on ad .id = af.activity_id
            where af.del_flag = false
            <if test="query.feedback_type != null and query.feedback_type != ''">
                and af.feedback_type = #{query.feedback_type}
            </if>
        </if>
        <if test="query.feedback_type == null or query.feedback_type ==''">
            select
              ac.comment, ac.create_time, 0 as feedback_type, ad.activity_title, ad.create_name, ac.is_view, ac.approval_status
            from ac_activity_comment ac
            left join ac_activity_detail ad on ad .id = ac.activity_id
            where
              ac.del_flag = false
            <if test="query.approval_status != null and query.approval_status != ''">
                and ac.approval_status = #{query.approval_status}
            </if>
            union
            select
              af.content as comment, af.feedback_time as create_time, af.feedback_type, ad.activity_title, ad.create_name, af.is_view, 
            from ac_activity_feedback af
            left join ac_activity_detail ad on ad .id = af.activity_id
            where
              af.del_flag = false
            <if test="query.feedback_type != null and query.feedback_type != ''">
                and af.feedback_type = #{query.feedback_type}
            </if>
        </if>
    </select>

</mapper>