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DECLARE @location varchar(255)
DECLARE @userId varchar(255)
SET @location = LOWER(CONCAT('%',rtrim(##CityName:string##),'%'))
SET @userId = rtrim(##UserId:string##)

SELECT V.tag, V.AnswerRank, V.ScoreRank
    ,V.OwnerUserId
FROM
(
  SELECT R.tag
    ,R.OwnerUserId
    ,RANK() over (partition by R.OwnerUserId order by R.answerCount desc) as AnswerRank
    ,RANK() over (partition by R.OwnerUserId order by R.answerScore desc) as ScoreRank
  FROM 
  (
    SELECT value as tag, p.OwnerUserId, COUNT(p.OwnerUserId) as answerCount, Sum(p.score) as answerScore
    FROM Users u
    JOIN Posts p ON p.OwnerUserId = u.Id
    INNER JOIN Posts q on q.id = p.parentid
    CROSS APPLY STRING_SPLIT(REPLACE(REPLACE(REPLACE(q.tags, '><', ','), '<', ''), '>', ''), ',')
    WHERE
        LOWER(u.Location) LIKE @location
        AND p.posttypeid = 2 -- just answers
        AND value IN (
        SELECT B.value
          FROM Users iu
          JOIN Posts ip ON ip.OwnerUserId = iu.Id
          INNER JOIN Posts iq on iq.id = ip.parentid
          CROSS APPLY STRING_SPLIT(REPLACE(REPLACE(REPLACE(iq.tags, '><', ','), '<', ''), '>', ''), ',') B
          WHERE
              LOWER(iu.Location) LIKE @location
              AND ip.posttypeid = 2 -- just answers
              AND ip.OwnerUserId = @userId 
          GROUP BY B.value, ip.OwnerUserId
        ) 
    GROUP BY value, p.OwnerUserId
  ) R
) V
-- WHERE V.OwnerUserId = @userId 
WHERE ScoreRank = 1
ORDER BY V.ScoreRank, V.tag

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edited jan 17 20 Teddy.Sterne31918

created may 4 17 anonymous