Relative Tag Popularities

0

Please login or register to vote for this query.

(click on this box to dismiss)

Shows the trend for your favourite tag

Android Enthusiasts

Q&A for enthusiasts and power users of the Android operating system

DECLARE @TagName varchar(255) = '##TagName##';

DECLARE @PostCountByMonth TABLE
(
  [date] datetime,
  [##TagName##Count] int,
  UNIQUE CLUSTERED ([date])
);

INSERT INTO @PostCountByMonth
SELECT dateadd(month, DATEDIFF(month, '', p.CreationDate), '') [date],
      count(*) [##TagName##Count]
FROM
  (
    SELECT p.CreationDate
    FROM Posts p
      INNER JOIN PostTags pt on pt.PostId = p.Id
      INNER JOIN Tags t on pt.TagId = t.Id
    WHERE t.TagName = @TagName  
  ) p
GROUP BY DATEDIFF(month, '', p.CreationDate)
ORDER BY DATEDIFF(month, '', p.CreationDate);

SELECT p1.[date], sum(p2.[##TagName##Count]) [count]
FROM @PostCountByMonth p1 INNER JOIN @PostCountByMonth p2
  ON p1.[date] >= p2.[date]
GROUP BY p1.[date]

Enter Parameters

Options:
Switch to meta site
loading Hold tight while we fetch your results