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42 lines
1.7 KiB
42 lines
1.7 KiB
<?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.MiniStrayAnimalNoteCollectMapper">
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<!-- 查询用户是否收藏该笔记 -->
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<select id="selectUserCollectCount" resultType="java.lang.Integer">
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SELECT COUNT(1)
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FROM mini_stray_animal_note_collect
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WHERE note_id = #{noteId}
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AND mini_user_id = #{userId}
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AND is_deleted = 0
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</select>
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<!-- 新增或更新收藏记录（原子操作，依赖note_id和mini_user_id联合唯一索引） -->
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<insert id="insertOrUpdateCollect" parameterType="com.youlai.boot.mini.model.entity.MiniStrayAnimalNoteCollect">
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INSERT INTO mini_stray_animal_note_collect
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(uuid, note_id, mini_user_id, create_time, create_timestamp, create_by, update_time, update_timestamp, update_by, is_deleted)
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VALUES
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(#{uuid}, #{noteId}, #{miniUserId}, #{createTime}, #{createTimestamp}, #{createBy}, #{updateTime}, #{updateTimestamp}, #{updateBy}, #{deleted})
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ON DUPLICATE KEY UPDATE
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is_deleted = 0,
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update_time = VALUES(update_time),
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update_timestamp = VALUES(update_timestamp),
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update_by = VALUES(update_by)
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</insert>
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<!-- 逻辑删除收藏记录（取消收藏） -->
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<update id="deleteCollect">
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UPDATE mini_stray_animal_note_collect
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SET is_deleted = 1,
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update_time = NOW(),
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update_timestamp = #{currentTime},
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update_by = #{userId}
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WHERE note_id = #{noteId}
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AND mini_user_id = #{userId}
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AND is_deleted = 0
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</update>
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</mapper>
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