Wikimedia Bugzilla is closed!

https://tools.wmflabs.org/multichill/queries/wikidata/possible_merge.txt

/* Make a list of items that might be mergable.
   Still have to filter out items that already have a link to the language */
connect wikidatawiki_p wikidatawiki.labsdb;
SELECT CONCAT('* ', wbA.ips_site_page, ' - [[Q', wbA.ips_item_id, ']] & [[Q', wbC.ips_item_id, ']]')
FROM wb_items_per_site AS wbA
LEFT JOIN wb_items_per_site AS wbB
ON (wbA.ips_item_id=wbB.ips_item_id AND NOT wbA.ips_site_id=wbB.ips_site_id)
JOIN wb_items_per_site AS wbC
ON (wbA.ips_site_page=wbC.ips_site_page AND NOT wbA.ips_site_id=wbC.ips_site_id)
WHERE wbA.ips_site_id='nlwiki'
AND wbB.ips_site_id IS NULL
AND NOT EXISTS(
SELECT * FROM wb_items_per_site AS wbD
WHERE wbC.ips_item_id=wbD.ips_item_id
AND wbD.ips_site_id='nlwiki');