Untitled query #40092

SQL

USE commonswiki_p;
SELECT page_id, page_title, cl_to, CONCAT("Q", interior_ips.ips_item_id), CONCAT("Q", parent_ips.ips_item_id)
FROM page
LEFT JOIN categorylinks
	ON cl_from=page_id
    AND cl_to=REGEXP_REPLACE(page_title, "Interior_of_(the)?", "")
LEFT JOIN wikidatawiki_p.wb_items_per_site AS interior_ips
	ON interior_ips.ips_site_page=CONCAT("Category:", REPLACE(page_title, "_", " "))
    AND interior_ips.ips_site_id="commonswiki"
LEFT JOIN wikidatawiki_p.wb_items_per_site AS parent_ips
	ON parent_ips.ips_site_page=CONCAT("Category:", REPLACE(cl_to, "_", " "))
    AND parent_ips.ips_site_id="commonswiki"
WHERE
  page.page_namespace=14 AND
  page.page_title LIKE "Interior_of_%";
SQL

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