29 lines
952 B
XML
29 lines
952 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.content.mapper.ContentVideoPlayRecordMapper">
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<!-- 获取用户播放过的视频ID列表 -->
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<select id="selectUserPlayedVideoIds" resultType="java.lang.Long">
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SELECT video_id
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FROM content_video_play_record
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WHERE user_id = #{userId}
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ORDER BY update_time DESC
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LIMIT #{limit}
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</select>
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<!-- 统计按小时的播放量 -->
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<select id="countHourlyPlays" resultType="java.util.Map">
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SELECT
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HOUR(create_time) as hour,
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COUNT(1) as count
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FROM
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content_video_play_record
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WHERE
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video_id = #{videoId}
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AND DATE(create_time) = #{date}
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GROUP BY
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HOUR(create_time)
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ORDER BY
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hour
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</select>
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</mapper> |