36 lines
1.4 KiB
XML
36 lines
1.4 KiB
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.kama.notes.mapper.CommentLikeMapper">
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<!-- 评论点赞结果映射 -->
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<resultMap id="commentLikeMap" type="com.kama.notes.model.entity.CommentLike">
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<id property="commentLikeId" column="comment_like_id"/>
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<result property="commentId" column="comment_id"/>
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<result property="userId" column="user_id"/>
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<result property="createdAt" column="created_at"/>
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</resultMap>
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<!-- 插入评论点赞 -->
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<insert id="insert" useGeneratedKeys="true" keyProperty="commentLikeId">
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INSERT INTO comment_like (
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comment_id, user_id, created_at
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) VALUES (
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#{commentId}, #{userId}, #{createdAt}
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)
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</insert>
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<!-- 删除评论点赞 -->
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<delete id="delete">
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DELETE FROM comment_like
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WHERE comment_id = #{commentId} AND user_id = #{userId}
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</delete>
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<!-- 查询用户点赞的评论ID列表 -->
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<select id="findUserLikedCommentIds" resultType="integer">
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SELECT DISTINCT comment_id FROM comment_like
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WHERE user_id = #{userId}
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AND comment_id IN
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<foreach collection="commentIds" item="commentId" open="(" separator="," close=")">
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#{commentId}
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</foreach>
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</select>
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</mapper> |