Bad links from wikis to m, mw: redirects

SQL

#USE stop;
USE enwiki_p;
SELECT now() AS timestamp;
#interwikilinks pointing to redirects
(SELECT CONCAT ('# [[', REPLACE (wp.page_title, '_', ' '), ']]') AS wpage,
        CONCAT ('→ [[:c:', REPLACE (iwl_title, '_', ' '), ']]') AS commonscat
FROM iwlinks
INNER JOIN page wp
ON wp.page_id = iwl_from
AND wp.page_namespace = 0
INNER JOIN commonswiki_p.page cp
ON cp.page_title = SUBSTRING(iwl_title, 10)
AND cp.page_namespace = 14
INNER JOIN commonswiki_p.categorylinks ccl
ON ccl.cl_from = cp.page_id
WHERE iwl_prefix ='commons'
AND iwl_title LIKE 'Category:%'
AND (cp.page_is_redirect = 1 OR ccl.cl_to = 'Category_redirects')
)
UNION
#external links pointing to redirects
(SELECT CONCAT('# [[', REPLACE (wp.page_title, '_', ' '), ']]') AS wpage,
        CONCAT('→ [[:c:Category:', REPLACE (cp.page_title, '_', ' '), ']]') AS commonscat
FROM externallinks
INNER JOIN page wp
ON wp.page_id = el_from
AND wp.page_namespace = 0
INNER JOIN commonswiki_p.page cp
ON cp.page_title = SUBSTRING(el_to, 45)
AND cp.page_namespace = 14
INNER JOIN commonswiki_p.categorylinks ccl
ON ccl.cl_from = cp.page_id
WHERE el_to LIKE 'https://commons.wikimedia.org/wiki/Category:%'
AND (cp.page_is_redirect = 1 OR ccl.cl_to = 'Category_redirects')
)
ORDER BY wpage
LIMIT 2000;
SQL

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