Whole route from [[Category:Auto racing]] to [[Category:Formula One]]

Fork of Route from [[Category:Auto racing]] to [[Category:Formula One]] by Cryptic

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

Depth and route to [[Category:Formula One]] in the [[Category:Auto racing]] tree.

For [[WP:VPT#Petscan depth]] circa 23 October 2022.

SQL

SET @basecat = 'Auto_racing';
SET max_recursive_iterations = 7;

WITH RECURSIVE deepcat (subcat, route, depth) AS
(
  SELECT @basecat,
         @basecat,
         0

  UNION

  SELECT page_title,
         CONCAT(deepcat.route, ' > ', page_title),
         deepcat.depth + 1
  FROM categorylinks
  JOIN page ON page_id = cl_from AND page_namespace = 14
  JOIN deepcat ON cl_to = deepcat.subcat
)
SELECT * FROM deepcat WHERE subcat = 'Formula_One';

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