题解 | #平均播放进度大于60%的视频类别#

select tag,
       concat(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 t1
join tb_video_info t2
on t1.video_id = t2.video_id
group by tag 
having avg(if(timestampdiff(second,start_time,end_time) >= duration,1,timestampdiff(second,start_time,end_time)/duration)*100) > 60
order by avg_play_progress desc