Test - Quarry

SQL

USE ckbwiki_p;
SELECT
  actor_name AS username,
  COUNT(*) AS NumberOfArticles,
  SUM(rev_len) AS TotalBytes,
  SUM(LENGTH(REPLACE(page_content, ' ', '')) - LENGTH(page_content) + 1) AS TotalWords
FROM revision
JOIN (
  SELECT DISTINCT rev_page, MIN(rev_id) AS first_revision_id
  FROM revision
  WHERE rev_parent_id = 0
    AND DATE(rev_timestamp) BETWEEN '2023-01-01' AND '2023-05-01'
  GROUP BY rev_page
) AS first_revisions
ON revision.rev_id = first_revisions.first_revision_id
JOIN actor ON actor.actor_id = revision.rev_actor
JOIN (
  SELECT rev_id, page_id, rev_text_id
  FROM revision
  JOIN page
  ON revision.rev_page = page.page_id
  WHERE revision.rev_id = rev_text_id
) AS first_revision_content
ON first_revision_content.rev_id = first_revisions.first_revision_id
WHERE page_namespace = 0
  AND page_is_redirect = 0
GROUP BY actor_name;
SQL

Checking query status...
