题解 | #平均播放进度大于60%的视频类别#
平均播放进度大于60%的视频类别
https://www.nowcoder.com/practice/c60242566ad94bc29959de0cdc6d95ef
SELECT tag, CONCAT(avg_play_progress, "%") as avg_play_progress from
(
select tag,
ROUND(
AVG(
IF(
TIMESTAMPDIFF(SECOND, start_time, end_time) > duration,
1,
TIMESTAMPDIFF(SECOND, start_time, end_time) / duration
)
) * 100,
2
) as avg_play_progress
from
tb_user_video_log a
join tb_video_info b on a.video_id = b.video_id
group by
tag
having avg_play_progress > 60
order by avg_play_progress desc
) as t_progres
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