select *
from(select tag,dt,sum(like_cnt) over(partition by tag order by dt rows 6 preceding) as sum_like_cnt_7d,max(retweet_cnt) over(partition by tag order by dt rows 6 preceding) as max_retweet_cnt_7d
from(select tag,date_format(start_time,'%Y-%m-%d') as dt,sum(if_like) as like_cnt,sum(if_retweet) as retweet_cnt
from tb_user_video_log t1
join tb_video_info t2
using(video_id)
group by tag,dt)a
)b
where dt between '2021-10-01' and '2021-10-03'
order by tag desc,dt asc