Pages by last edit time in cat tree 1

Non-redirect mainspace pages in the category tree rooted at [[:Category:Food and drink]] by order of the timestamp of their latest edit, to a maximum depth of 3 subcats (for example,
[[:Category:Food and drink]] > [[:Category:Cuisine]] > [[:Category:Confectionery]] > [[:Category:Ice cream]] > [[Ice milk]]).

For [[WP:RAQ#Dusty articles within all subcategories of a parent category]] circa 17 November 2024.

SQL

SET @basecat = 'Food and drink';
SET max_recursive_iterations = 3;

SET @basecat = REPLACE(@basecat, ' ', '_');
WITH RECURSIVE deepcat (subcat) AS
(
  SELECT @basecat

  UNION DISTINCT

  SELECT page_title
  FROM categorylinks
  JOIN page ON page_id = cl_from
  JOIN deepcat ON cl_to = subcat
  WHERE page_namespace = 14
),
ns(ns_n, ns_s) AS (VALUES (-2, 'Media:'), (-1, 'Special:'), (0, ''), (1, 'Talk:'), (2, 'User:'), (3, 'User talk:'), (4,
  'Wikipedia:'), (5, 'Wikipedia talk:'), (6, ':File:'), (7, 'File talk:'), (8, 'MediaWiki:'), (9, 'MediaWiki talk:'), (10, 'Template:'),
  (11, 'Template talk:'), (12, 'Help:'), (13, 'Help talk:'), (14, ':Category:'), (15, 'Category talk:'), (100, 'Portal:'), (101,
  'Portal talk:'), (118, 'Draft:'), (119, 'Draft talk:'), (126, 'MOS:'), (127, 'MOS talk:'), (710, 'TimedText:'), (711, 'TimedText talk:'),
  (828, 'Module:'), (829, 'Module talk:'))
SELECT DISTINCT CONCAT(COALESCE(ns_s, '?:'), REPLACE(page_title, '_', ' ')) AS title,
                page_is_redirect,
                CAST(rev_timestamp AS DATETIME) AS 'last edit timestamp'
FROM page
JOIN categorylinks ON cl_from = page_id
JOIN deepcat ON cl_to = subcat
JOIN revision ON rev_id = page_latest
LEFT JOIN ns ON ns_n = page_namespace
ORDER BY rev_timestamp ASC;

SQL

Checking query status...