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Created by samliew (http://stackoverflow.com/users/584192/samuel-liew)

Q&A for participants in team and individual sport activities

DECLARE @tagName varchar(255) 
DECLARE @tagInput bit
DECLARE @locationName varchar(255) 
SET @tagname = rtrim(##TagName:string##)
SET @locationName = rtrim(##LocationName:string##)
DECLARE @UserID int = ##UserId##

IF RTRIM(@tagname) = ''

   SET @tagInput = 0 
ELSE
   SET @tagInput = 1
 
if @tagInput  = 0 and @UserID = 0 
  SELECT 'Don' + '''' + 't do that'
ELSE 
 
WITH UserTagScores
as 
(SELECT  
   a.OwnerUserId,
   t.TagName,
   SUM(CASE v.VoteTypeID
           WHEN 2 THEN 1
           WHEN 3 THEN  -1
   END) as  score

FROM 
   votes v
   INNER JOIN Posts a
   ON v.PostID = a.ID
   INNER JOIN Posts q
   ON a.parentId = q.id
   INNER JOIN PostTags pt
   ON q.id = pt.PostId
   INNER JOIN Tags T
   ON pt.TagId = t.id
   INNER JOIN Users us
   ON us.Id = a.OwnerUserId
WHERE
   v.voteTypeId in (2,3)  -- Up and down votes
   and
   a.PostTypeID = 2  -- Answers only
   AND
   (a.CommunityOwnedDate is null or 
    a.CommunityOwnedDate > v.CreationDate)
   AND 
   (@tagInput = 0
    or t.TagName = @TagName)
    AND a.OwnerUserId is not null
    AND LOWER(us.Location) LIKE '%sri lanka%'
GROUP BY
   a.OwnerUserId,
   t.TagName)
, userTagRank as (
 SELECT
    TagName,
   OwnerUserId,
    rank() over (partition by TagName order by score desc) rank,
Score
  FROM
    UserTagScores)
SELECT 
    TagName,
    Rank,
    OwnerUserId ,
    OwnerUserId [User Link],
    Score
FROM
    userTagRank 
WHERE 
    (OwnerUserId = @UserID or @UserID = 0)
ORDER BY
    TagName,
    rank

fork query

edited nov 4 19 anonymous

created nov 19 11 Samuel Liew