nds_nlwiki Pages without category

Fork of nlwiki Articles without content category by Bdijkstra

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

Pages without any categories or with only dialect or maintenance categories.

Takes about 1 second to execute on nds_nlwiki.

SQL

use nds-nlwiki_p;

SELECT page_title
FROM page
WHERE 
	page_namespace=0 AND page_is_redirect=0 AND
	NOT EXISTS (SELECT * FROM (
		# niet-beheyr kategorylinks
		SELECT cl_from, cl_to FROM categorylinks WHERE NOT EXISTS (SELECT * FROM (
			# beheyrkategoryen
			SELECT DISTINCT page_title
			FROM page, page_props
			WHERE page_namespace=14 AND page_id=pp_page AND (pp_propname='hiddencat' OR pp_propname='expectunusedcategory')
		) hc WHERE cl_to=hc.page_title)
		GROUP BY cl_from
		ORDER BY cl_from
	) nhcl WHERE nhcl.cl_from=page_id)

SQL

Checking query status...