SELECT * FROM( SELECT tag, dt, SUM(like_cnt)over(PARTITION by tag ORDER BY dt rows 6 preceding ) sum_like_cnt_7d, MAX(retweet_cnt)over(PARTITION by tag ORDER BY dt rows 6 preceding) sum_retweet_cnt_7d FROM (SELECT tag,DATE_FORMAT(start_time,'%Y-%m-%d') as dt,sum(if_like) like_cnt ,SUM(if_retweet) re...