Additions of the given phrase per month

1

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Space Exploration

Q&A for spacecraft operators, scientists, engineers, and enthusiasts

---see also: https://data.stackexchange.com/mathoverflow/query/1177886/posts-where-some-text-missing-in-the-earlier-revision-was-added-including-the-ed?word=web.archive.org

;  with revisions_cte as
(
SELECT
DISTINCT p.Id AS pid, ph1.Id AS phId
FROM PostHistory ph1 INNER JOIN Posts p ON ph1.PostId=p.Id
WHERE ph1.PostHistoryTypeId in (2,5,8)
  and NOT(ph1.Text Like '%##word?newcommand##%')
  and (p.Body Like '%##word##%')
), firstrev_cte AS
(SELECT
pid, MIN(ph2.Id) as MinId
  FROM revisions_cte INNER JOIN PostHistory ph2 ON ph2.PostId=pid
  WHERE (ph2.Id>phId)
   AND ph2.PostHistoryTypeId in (2,5,8)
   AND (ph2.Text Like '%##word##%')
GROUP BY pid
)
--- 2 = Initial Body - initial post raw body text
--- 5 = Edit Body - modified post body (raw markdown)
--- 8 = Rollback Body - reverted body (raw markdown)

SELECT eomonth(CreationDate), Count(PostId) AS [Count]
FROM PostHistory INNER JOIN firstrev_cte ON PostHistory.Id=MinId
GROUP BY eomonth(CreationDate) 
ORDER BY eomonth(CreationDate) DESC

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