Untitled query #4312

SQL

USE wikidatawiki_p;
SELECT CONCAT("Q",epp1.epp_entity_id) AS item, GROUP_CONCAT(DISTINCT CONCAT("Q",backlinks.epp_entity_id) SEPARATOR ', ') AS backlinks
	FROM (SELECT * FROM pagelinks WHERE pl_title = "Q17362920" AND pl_from_namespace = 0) AS dupes
	JOIN wb_entity_per_page AS epp1
		ON epp_page_id = dupes.pl_from
	LEFT JOIN wb_items_per_site
		ON ips_item_id = epp_entity_id
	LEFT JOIN (SELECT * FROM pagelinks
				JOIN wb_entity_per_page ON epp_page_id = pl_from
				WHERE pl_namespace = 0) AS backlinks
		ON backlinks.pl_title = CONCAT("Q",epp1.epp_entity_id)
WHERE ips_item_id IS NULL AND epp1.epp_entity_id <> 21286738
GROUP BY dupes.pl_from
ORDER BY COUNT(DISTINCT backlinks.pl_from) DESC, dupes.pl_from;
SQL

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