forked from iVMiku/guidance-backend
78 lines
3.2 KiB
XML
78 lines
3.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.ivmiku.tutorial.mapper.CommentMapper">
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<resultMap id="BaseResultMap" type="com.ivmiku.tutorial.entity.Comment">
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<id property="commentId" column="comment_id" jdbcType="BIGINT"/>
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<result property="userOpenid" column="user_openid" jdbcType="VARCHAR"/>
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<result property="postId" column="post_id" jdbcType="BIGINT"/>
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<result property="content" column="content" jdbcType="VARCHAR"/>
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<result property="parentCommentId" column="parent_comment_id" jdbcType="BIGINT"/>
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<result property="isDeleted" column="is_deleted" jdbcType="TINYINT"/>
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<result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
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<result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
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<result property="mentionedUserId" column="mentioned_user_id" jdbcType="VARCHAR"/> <!-- 新增字段 -->
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<result column="image_urls" property="imageUrls" />
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<result column="video_url" property="videoUrl" />
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</resultMap>
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<sql id="Base_Column_List">
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comment_id, user_openid, post_id, content,
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parent_comment_id, is_deleted, created_at, updated_at,
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mentioned_user_id, image_urls, video_url
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</sql>
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<!-- 查询指定帖子的所有评论 -->
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<select id="selectCommentsByPostId" resultMap="BaseResultMap">
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SELECT
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<include refid="Base_Column_List"/>
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FROM comment
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WHERE post_id = #{postId} AND is_deleted = 0
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</select>
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<!-- 查询指定评论的所有回复 -->
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<select id="selectRepliesByCommentId" resultMap="BaseResultMap">
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SELECT
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<include refid="Base_Column_List"/>
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FROM comment
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WHERE parent_comment_id = #{commentId} AND is_deleted = 0
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</select>
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<!-- 插入新的评论 -->
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<insert id="insertComment" parameterType="com.ivmiku.tutorial.entity.Comment">
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INSERT INTO comment (
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user_openid, post_id, content, parent_comment_id,
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is_deleted, created_at, updated_at, mentioned_user_id
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) VALUES (
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#{userOpenid}, #{postId}, #{content}, #{parentCommentId},
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#{isDeleted}, #{createdAt}, #{updatedAt}, #{mentionedUserId}, #{imageUrls}, #{videoUrl}
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)
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</insert>
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<!-- 更新评论 -->
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<update id="updateComment" parameterType="com.ivmiku.tutorial.entity.Comment">
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UPDATE comment
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SET
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user_openid = #{userOpenid},
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post_id = #{postId},
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content = #{content},
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parent_comment_id = #{parentCommentId},
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is_deleted = #{isDeleted},
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created_at = #{createdAt},
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updated_at = #{updatedAt},
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mentioned_user_id = #{mentionedUserId},
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image_urls = #{imageUrls},
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video_url = #{videoUrl}
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WHERE comment_id = #{commentId}
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</update>
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<!-- 删除评论，实际上是将is_deleted字段设置为1 -->
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<update id="deleteComment">
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UPDATE comment
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SET is_deleted = 1, updated_at = CURRENT_TIMESTAMP
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WHERE comment_id = #{commentId}
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</update>
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</mapper>
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