Wikidata items with removed sitelink(s)

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

This query lists items with no sitelinks which had some sitelinks before, but they were removed.
It has its testing alternative at https://quarry.wmflabs.org/query/1269

SQL

use wikidatawiki_p;
SELECT /* rev_comment, rev_user_text, */ CONCAT('Q',epp_entity_id) FROM revision
JOIN wb_entity_per_page ON rev_page = epp_page_id
/* JOIN wb_items_per_site ON epp_entity_id = ips_item_id */
WHERE rev_parent_id = 0 and rev_user_text = 'Matěj Suchánek';

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