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with p as (
   select id
   from PostsWithDeleted
   where PostTypeId = 2
)   ,a as (
   select p.id,
       sum(case when v.votetypeid = 2 then 1 else 0 end) as upvotes, 
       sum(case when v.votetypeid = 3 then 1 else 0 end) as downvotes 
   from p join votes v 
   on p.id = v.PostId
   group by p.id
), m as (
    select upvotes, 
           downvotes, 
           count(id) as cnt,
       case when upvotes = 0 then 'up = 0'
               when upvotes = 1 then 'up = 1'
               when upvotes <= 5 then '2 <= up <= 5'
               when upvotes <= 10 then '6 <= up <= 10'
               else '11 <= up' 
       end as part
    from a 
    group by upvotes, downvotes
), sm as (
    select upvotes, sum(cnt) vsum
    from m
    group by upvotes
)

select m.downvotes,
       m.part,
       sum(cnt),sum(vsum),
       (1.00*sum(cnt)/sum(vsum))               
from m join sm on m.upvotes = sm.upvotes 
group by m.downvotes, m.part
order by m.part, m.downvotes

fork query

edited dec 12 19

created nov 20 19 anonymous