select
user_grade,format(nums*1.0/all_num,2) as ratio
from
(
select
user_grade,count(1) as nums,sum(count(1)) over() as all_num
from
(
select
uid,
case when sum(case when out_date >=date_sub(max_date,interval 6 day) and is_new = 1 then 1 else 0 end) > 0 then '新晋用户'
when sum(case when out_date >=date_sub(max_date,interval 6 day) then 1 else 0 end) > 0 then '忠实用户'
when sum(case when out_date >=date_sub(max_date,interval 29 day) then 1 else 0 end) > 0 then '沉睡用户' else '流失用户' end as user_grade
from
(
select
distinct uid,
max_date,
date_format(out_time,'%Y-%m-%d') as out_date,
case when (dense_rank() over(partition by uid order by out_time)) = 1 then 1 else 0 end as is_new
from tb_user_log a join (select date_format(max(out_time),'%Y-%m-%d') as max_date from tb_user_log) b
) t1 group by uid
) t2 group by user_grade
) t3
order by ratio desc,user_grade
