22 lines
882 B
XML
22 lines
882 B
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.nuaa.video.comment.mapper.CommentLikeMapper">
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<!-- 检查用户是否已点赞 -->
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<select id="checkUserLiked" resultType="long">
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SELECT COUNT(1)
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FROM comment_like
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WHERE comment_id = #{commentId}
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AND user_id = #{userId}
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AND type = #{type}
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</select>
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<!-- 统计视频评论点赞数 -->
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<select id="countVideoCommentLikes" resultType="int">
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SELECT COUNT(1)
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FROM comment_like cl
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LEFT JOIN comment c ON cl.comment_id = c.id AND cl.type = 1
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LEFT JOIN comment_reply cr ON cl.comment_id = cr.id AND cl.type = 2
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WHERE (c.video_id = #{videoId} OR cr.video_id = #{videoId})
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</select>
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</mapper> |