zhwiki: revision 3

This query is marked as a draft This query has been published by Xiplus.

SQL

SELECT *
FROM
(
  SELECT rev_parent_id
  FROM 
  (
    SELECT rev_page, rev_timestamp, rev_parent_id
    FROM revision
    WHERE rev_timestamp >= 20220601000000
     AND rev_timestamp < 20220701000000
  ) AS A
  GROUP BY A.rev_page
  ORDER BY A.rev_timestamp ASC
) AS B
, revision
WHERE (revision.rev_timestamp >= 20220601000000
     AND revision.rev_timestamp < 20220701000000) OR B.rev_parent_id = revision.rev_id

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