with T0 as (select T1.uid, T1.video_id, timestampdiff(second,start_time,end_time) diff, T2.duration from tb_user_video_log T1 left join tb_video_info T2 on T1.video_id = T2.video_id where year(T1.start_time) = 2021 ) select video_id, round(avg(if(duration> diff, 0, 1)),3) avg_comp_play_rate from...