Külast külla kategooriad

Fork of Categories assinged to a specific page, MySQL by JCrespo (WMF)

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

SQL

WITH RECURSIVE cte (cl_from, cl_type) AS
(
    SELECT cl_from, cl_type
      FROM categorylinks
      WHERE cl_to = 'Külast_külla' 
    UNION
    SELECT categorylinks.cl_from, categorylinks.cl_type
      FROM cte
      JOIN page
        ON cl_from = page_id
      JOIN categorylinks
        ON page_title = cl_to
      WHERE cte.cl_type = 'subcat' -- subcat addition on each iteration
)
SELECT P.page_title
FROM cte
JOIN page P
  ON cl_from = page_id
JOIN commonswiki_p.categorylinks CL ON P.page_id = CL.cl_from
WHERE page_namespace = 6
ORDER BY page_title;

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