Top Users by location and tag

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

Quantum Computing

Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing

-- Top Users by location and tag (see http://stackoverflow.com/tags)
-- Created by samliew (http://stackoverflow.com/users/584192/samuel-liew)
-- Modified by sgryzko

WITH QuestionScores AS
(
  SELECT
      u.Id AS [User Link],
      sum(q.score) AS Score
  FROM
      Users u
  inner join posts q on q.ownerUserid = u.id
  inner join posttags pt on pt.postid = q.id
  inner join tags t on t.id = pt.tagid
  WHERE
      LOWER(Location) LIKE LOWER('%##location##%')
      and t.tagname='##tagname##'
  GROUP BY
      u.id, u.Location
  /*ORDER BY
      sum(q.score) DESC;*/
),
AnswerScores AS
(
  SELECT
    Users.Id AS [User Link],
    sum(Answers.score) AS Score
  FROM Posts AS Answers 
    INNER JOIN Posts AS ParentQuestions 
    ON ParentQuestions.Id = Answers.ParentId
    
    INNER JOIN Users AS Users
    ON Answers.OwnerUserId = Users.Id
    
    INNER JOIN PostTags 
    ON PostTags.PostId = Answers.ParentId
    
    INNER JOIN Tags
    ON Tags.Id = PostTags.TagId
  WHERE
    LOWER(Location) LIKE LOWER('%##location##%')
    and Tags.tagname='##tagname##'
  GROUP BY
    Users.id, Users.Location
  /*ORDER BY
    sum(Answers.score) DESC;*/
)

SELECT 
  --TOP 100
  ISNULL(QuestionScores.[User Link], AnswerScores.[User Link]) as [User Link],
  ISNULL(QuestionScores.Score, 0) as [Question Score],
  ISNULL(AnswerScores.Score, 0) as [Answer Score],
  ISNULL(QuestionScores.Score, 0) + ISNULL(AnswerScores.Score, 0) as [Score- total]
FROM
  QuestionScores
FULL JOIN AnswerScores 
  ON QuestionScores.[User Link] = AnswerScores.[User Link]
ORDER BY
  ISNULL(QuestionScores.Score, 0) + ISNULL(AnswerScores.Score, 0) DESC;

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