select* from ( select tag, dt, sum(like_cnt) over (partition by tag rows between 6 preceding and current row) sum_like_cnt_7d, max(retweet_cnt) over (partition by tag rows between 6 preceding and current row) max_retweet_cnt_7d from ( select tag, left(start_time,10) dt, sum(if_like) like_cnt, sum(if...