Articles including links redirecting to itself

Fork of Articles including links redirecting to itself by WhitePhosphorus

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

A is an article, R is a redirect targeting to A, and there is a link from A to R

SQL

USE zhwiki_p;
SELECT DISTINCT r.source_title, r.redirect_title FROM
	(SELECT fromP.page_title AS redirect_title,
 			toP.page_id AS source_id,
     		toP.page_title AS source_title
	FROM redirect
	JOIN page AS fromP ON fromP.page_id = rd_from
	JOIN page AS toP ON toP.page_title = rd_title
	WHERE rd_namespace = 0) AS r
JOIN pagelinks ON pl_from = r.source_id AND pl_title = r.redirect_title;

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