视频评论点赞通过mq异步添加数据库，点赞数缓存redis

xiangpei

2025-06-25 654f4eebf519f015506b90d71637e6aad75e5b5c

 framework/src/main/resources/mapper/lmk/VideoCommentMapper.xml

@@ -155,4 +155,19 @@
              video_id
    </select>


    <update id="updateCommentThumbsUpNumBatch">
        UPDATE lmk_video_comment
        SET thumbs_up_num = CASE id
        <foreach collection="list" item="comment">
            WHEN #{comment.id} THEN #{comment.countNum}
        </foreach>
        ELSE thumbs_up_num
        END
        WHERE id IN
        <foreach collection="list" item="comment" open="(" separator="," close=")">
            #{comment.id}
        </foreach>
    </update>

</mapper>