sql
-- 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 Users.Id AS [User Link], SUM(Questions.Score) AS Score FROM Posts as Questions INNER JOIN Users ON Questions.OwnerUserId = Users.Id
INNER JOIN PostTags
ON PostTags.PostId = Questions.Id
INNER JOIN Tags
on Tags.Id = PostTags.TagId
WHERE LOWER(Location) LIKE LOWER('%##location##%') and Tags.Tagname='##tagname##' GROUP BY Users.Id ),
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 )
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 [Total Score] FROM QuestionScores FULL JOIN AnswerScores ON QuestionScores.[User Link] = AnswerScores.[User Link] ORDER BY [Total Score] DESC;