nlwiki Category misses its main article

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

SQL

SELECT c.page_title AS page_title, a.page_is_redirect AS rd, GROUP_CONCAT(cl_to SEPARATOR ' | ') AS cl_to
FROM page c, page a LEFT JOIN categorylinks ON cl_from=a.page_id
WHERE c.page_namespace=14 AND a.page_namespace=0 AND c.page_title=a.page_title
GROUP BY c.page_title, a.page_namespace
LIMIT 10

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