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Q&A for users and developers of distributed applications built on top of the blockchain operating system, EOS.IO

-- Top users by tag

select u.id as [User Link]
     , sum(p.score) [Total]
     , sum(case when p.posttypeid = 1 then p.score else null end) [Total Q]
     , sum(case when p.posttypeid = 2 then p.score else null end) [Total A]
     , count(*) [# posts]
from users u
inner join posts p on p.owneruserid = u.id
inner join posts q on q.id = nullif(p.parentid, p.id)
inner join posttags pt on pt.postid = q.id
inner join tags t on t.id = pt.tagid
and t.tagname = 'iOS'
group by u.id
order by sum(p.score) desc

fork query

edited may 30

created may 24 Dmytro.Skorokhod