ed result 3）如果可以的话，你能给我一些关于另一种机制的代码的细节吗？它可以帮助我尝试一下。@Shawn，滑动窗口框架不支持函数计数不，它没有得到想要的结果 --mockup data SnowSQL with test (date,id,a,

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ed result 3）如果可以的话，你能给我一些关于另一种机制的代码的细节吗？它可以帮助我尝试一下。@Shawn，

滑动窗口框架不支持函数计数

不，它没有得到想要的结果

--mockup data SnowSQL
with test  (date,id,a,b,c,d) as(
select $1 as date, $2 as id, $3 as a, $4 as b, $5 as c, $6 as d
from values 
('2019-07-15','x_1','ps','e','US','NA'),
('2019-07-15','x_2','ps','e','US','NA'),
('2019-07-15','x_2','ps','e','CA','NA'),
('2019-07-16','x_2','ps','e','CA','NA'),
('2019-07-16','x_3','c','xb','CH','AS'),
('2019-07-17','x_4','ps','e','US','NA'),
('2019-07-17','x_5','c','ps4','CH','AS'),
('2019-07-17','x_6','c','ps4','CH','AS'),
('2019-07-17','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-19','x_8','c','ps','CH','AS'),
('2019-07-20','x_8','c','ps','CH','AS'),
('2019-07-21','x_8','c','ps','CH','AS'),
('2019-07-22','x_8','c','ps','CH','AS'),
('2019-07-29','x_8','c','ps','CH','AS'),
('2019-08-01','x_8','c','ps','CH','AS'),
('2019-08-02','x_9','c','ps','CH','AS'),
('2019-08-03','y_1','c','ps','CH','AS'),
('2019-08-04','y_8','c','ps','CH','AS'),
('2019-08-05','z_8','c','ps','CH','AS'),
('2019-08-06','a_8','c','ps','CH','AS'),
('2019-08-07','b_8','c','ps','CH','AS'),
('2019-08-07','c_8','c','ns','CH','AS'),
('2019-08-07','e_8','ps','e','US','NA'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-10','gx_8','c','ps','CH','AS'),
('2019-08-11','v_8','c','ps','CH','AS') )
--subquery
select 1 as part,
(
  select sum(x)
  from (
select count(distinct id) as x
from test
where
 date = '2019-07-16'
group by a,b,c,d) ) as dau,
(
  select sum(x)
  from (
select count(distinct id) as x
from test
where
 date between '2019-07-16'::date-interval '7 days' and '2019-07-16'
//    <= '2019-07-15'
//and date >= '2019-07-15'::date-interval '7 days'
group by a,b,c,d)) as w,
(select sum(x)
  from (
select count(distinct id) as x
from test
where
 date <= '2019-07-16'
and date >= '2019-07-16'::date-interval '30 days'
group by a,b,c,d)) as m
union
--window function
select 2,sum(dau),sum(w),sum(m)
from(
select 
date,
a,
b,
c,
d,
count(distinct id) over (Partition by date,a,b,c,d Order by date)as dau,
count(distinct id) over (Partition by a,b,c,d Order by date rows between 7 preceding  and current row) as w,
count(distinct id) over (Partition by a,b,c,d Order by date rows between 30 preceding  and current row) as m
from test
group by
date,
a,
b,
c,
d,
id)
where date='2019-07-16'
group by date
;

select distinct [date], id
      from #test
order by [date] desc

select [date], 
        count(*) over (order by date desc rows between current row and 7 following ) count_7_day,
        count(*) over (order by date desc rows between current row and 30 following ) count_30_day
from (select distinct [date], id
      from #test )x
order by [date] desc

create table  test as(
select $1 as date, $2 as id, $3 as a, $4 as b, $5 as c, $6 as d
from values 
('2019-07-15','x_1','ps','e','US','NA'),
('2019-07-15','x_2','ps','e','US','NA'),
('2019-07-15','x_2','ps','e','CA','NA'),
('2019-07-16','x_2','ps','e','CA','NA'),
('2019-07-16','x_3','c','xb','CH','AS'),
('2019-07-17','x_4','ps','e','US','NA'),
('2019-07-17','x_5','c','ps4','CH','AS'),
('2019-07-17','x_6','c','ps4','CH','AS'),
('2019-07-17','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-18','x_7','c','ns','CH','AS'),
('2019-07-19','x_8','c','ps','CH','AS'),
('2019-07-20','x_8','c','ps','CH','AS'),
('2019-07-21','x_8','c','ps','CH','AS'),
('2019-07-22','x_8','c','ps','CH','AS'),
('2019-07-29','x_8','c','ps','CH','AS'),
('2019-08-01','x_8','c','ps','CH','AS'),
('2019-08-02','x_9','c','ps','CH','AS'),
('2019-08-03','y_1','c','ps','CH','AS'),
('2019-08-04','y_8','c','ps','CH','AS'),
('2019-08-05','z_8','c','ps','CH','AS'),
('2019-08-06','a_8','c','ps','CH','AS'),
('2019-08-07','b_8','c','ps','CH','AS'),
('2019-08-07','c_8','c','ns','CH','AS'),
('2019-08-07','e_8','ps','e','US','NA'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-08','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-09','f_8','c','xb','CH','AS'),
('2019-08-10','gx_8','c','ps','CH','AS'),
('2019-08-11','v_8','c','ps','CH','AS') );

with distinct_data as (
    select distinct date, id
    from test
), days as ( -- set of days we want to range over
    select column1 as days from (values (1),(7),(30))
), windows_ends as ( -- last 60 days of date
    select dateadd('day',-SEQ8(),current_date) as win_date_end
    from table(generator(rowcount => 60))
), windows as (
    select d.days
        ,w.win_date_end
        ,dateadd('day',-d.days, w.win_date_end) as win_date_start
    from days as d
    join windows_ends as w
)
select w.days
    ,w.win_date_start
    ,w.win_date_end
    ,count(distinct(d.id)) as c_id
from distinct_data as d
join windows as w on d.date > w.win_date_Start and d.date <= w.win_date_end
group by 1,2,3
order by 3,1;

with distinct_data as (
    select distinct date, id
    from test
), days as ( -- set of days we want to range over
    select column1 as days from (values (1),(7),(30))
), windows_ends as ( -- last 60 days of date
    select dateadd('day',-SEQ8(),current_date) as win_date_end
    from table(generator(rowcount => 60))
), windows as (
    select d.days
        ,w.win_date_end
        ,dateadd('day',-d.days, w.win_date_end) as win_date_start
    from days as d
    join windows_ends as w
), manyrows as (
  select w.days
      ,w.win_date_end
      ,count(distinct(d.id)) as c_id
  from distinct_data as d
  join windows as w on d.date > w.win_date_Start and d.date <= w.win_date_end
  group by 1,2
)
select win_date_end as date, "1" as d1, "7" as d7, "30" as d30
from manyrows
   pivot(sum(c_id) for days in (1,7,30)) as p
order by win_date_end;

with distinct_data as (
    select distinct date
        ,id
    from test
), distinct_dates as (
    select distinct date
        ,dateadd('day',-30,date) as d30_s
    from distinct_data
), mixed_data as (
select d.date
    ,b.id
    ,datediff('days',b.date, d.date) as d_diff
    ,iff(d_diff < 1, id, NULL) as d1_id
    ,iff(d_diff < 7, id, NULL) as d7_id
    ,iff(d_diff < 30, id, NULL) as d30_id
from distinct_dates as d
join distinct_data as b on b.date >= d.d30_s and b.date <= d.date
)
select date
    ,count(distinct(d1_id)) as d1
    ,count(distinct(d7_id)) as d7
    ,count(distinct(d30_id)) as d30
from mixed_data
group by 1 order by 1;