nlwiki Category misses its main article

SQL

SELECT c.page_title AS page_title, a.page_is_redirect AS rd, GROUP_CONCAT(cl1.cl_to SEPARATOR ' | ') AS cl_to
FROM page c, page a LEFT JOIN categorylinks cl1 ON cl1.cl_from=a.page_id
WHERE c.page_namespace=14 AND a.page_namespace=0 AND c.page_title=a.page_title AND
	NOT EXISTS (SELECT * FROM categorylinks cl2 WHERE cl2.cl_from=a.page_id AND cl2.cl_to=a.page_title)
    NOT EXISTS (SELECT * FROM page_props WHERE pp_page=a.page_id AND pp_propname='disambiguation')
GROUP BY c.page_title, a.page_namespace
LIMIT 100

SQL

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