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43 lines
1.3 KiB
43 lines
1.3 KiB
1 month ago
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<?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.youlai.boot.mini.mapper.MiniStrayAnimalNoteCommentMapper">
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<update id="incrementCommentCount">
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UPDATE mini_stray_animal_note
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SET comment_count = comment_count + 1
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WHERE id = #{noteId}
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</update>
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<!-- 一次性校准所有笔记的评论数 -->
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<update id="batchCalibrateAllCommentCounts">
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UPDATE mini_stray_animal_note n
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SET n.comment_count = (
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SELECT COUNT(1)
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FROM mini_stray_animal_note_comment c
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WHERE c.note_id = n.id
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AND c.flag = 0
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)
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WHERE 1 = 1
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</update>
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<!-- 只校准最近有变动的笔记（24小时内有过评论的） -->
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<update id="batchCalibrateRecentNotes">
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UPDATE mini_stray_animal_note n
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INNER JOIN (
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SELECT note_id, MAX(create_time) as last_comment_time
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FROM mini_stray_animal_note_comment
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WHERE create_time >= DATE_SUB(NOW(), INTERVAL 1 DAY)
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GROUP BY note_id
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) c ON n.id = c.note_id
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SET n.comment_count = (
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SELECT COUNT(1)
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FROM mini_stray_animal_note_comment c2
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WHERE c2.note_id = n.id AND c2.flag = 0
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)
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</update>
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</mapper>
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