File pages on Commons without files

Fork of Bad links from wikis to Commons: redirects by Achim55
This query is marked as a draft This query has been published by Achim55.
SQL

#USE dewiki_p;
#USE dewikisource_p;
#USE dewikiquote_p;
#USE dewikivoyage_p;
USE enwiki_p;
#USE frwiki_p;
#USE itwiki_p;
#USE nlwiki_p;
#USE specieswiki_p;
SET @w = LEFT (DATABASE(), LENGTH(DATABASE()) - 2); SET @l = (SELECT lang FROM meta_p.wiki WHERE dbname = @w);
SET @len = LENGTH('https://species.wikimedia.org/wiki/');
SELECT now() AS timestamp;
#interwiki links to category redirects
(SELECT CONCAT ('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
                '→ [[species:', REPLACE (iwl_title, '_', ' '), ']]') AS wikipage
FROM iwlinks
INNER JOIN page wp
ON wp.page_id = iwl_from
AND wp.page_namespace IN (0, 14)
INNER JOIN specieswiki_p.page cp
ON cp.page_title = SUBSTRING(iwl_title, 10)
AND cp.page_namespace = 14
INNER JOIN specieswiki_p.categorylinks ccl
ON ccl.cl_from = cp.page_id
WHERE iwl_prefix IN ('wikispecies', 'species')
AND iwl_title LIKE 'Category:%'
AND (cp.page_is_redirect = 1 OR ccl.cl_to = 'Redirects_connected_to_a_Wikidata_item')
AND cp.page_id NOT IN (SELECT p1.page_id FROM specieswiki_p.page p1
                       INNER JOIN specieswiki_p.pagelinks ON pl_from = p1.page_id AND pl_from_namespace = 0
                       WHERE p1.page_namespace = 0 AND p1.page_is_redirect = 1 
                       AND NOT EXISTS (SELECT 1 FROM specieswiki_p.page p2 WHERE p2.page_title = pl_title)
                       )
)
UNION
#interwiki links to article redirects
(SELECT CONCAT ('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
                '→ [[species:', REPLACE (iwl_title, '_', ' '), ']]') AS wikipage
FROM iwlinks
INNER JOIN page wp
ON wp.page_id = iwl_from
AND wp.page_namespace IN (0, 14)
INNER JOIN specieswiki_p.page cp
ON cp.page_title = iwl_title
AND cp.page_namespace = 0
AND cp.page_is_redirect = 1
WHERE iwl_prefix IN ('wikispecies', 'species')
AND iwl_title NOT LIKE 'Category:%'
)
UNION
#external interwiki links to category redirects
(SELECT CONCAT('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
               '→ [[species:Category:', REPLACE (cp.page_title, '_', ' '), ']]') AS wikipage
FROM externallinks
INNER JOIN page wp
ON wp.page_id = el_from
AND wp.page_namespace IN (0, 14)
INNER JOIN specieswiki_p.page cp
ON cp.page_title = SUBSTRING(REPLACE (REPLACE (el_to, '#mw-subcategories', ''), CONCAT('?uselang=', @l), ''), IF ((LEFT (el_to, 5) = 'https'), @len + 10, @len + 9))
AND cp.page_namespace = 14
INNER JOIN specieswiki_p.categorylinks ccl
ON ccl.cl_from = cp.page_id
WHERE el_to LIKE 'https://species.wikimedia.org/wiki/Category:%'
AND el_to NOT LIKE '%\%%' #temp
AND (cp.page_is_redirect = 1 OR ccl.cl_to = 'Redirects_connected_to_a_Wikidata_item')
)
UNION
#external interwiki links to article redirects
(SELECT CONCAT('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
               '→ [[species:', REPLACE (cp.page_title, '_', ' '), ']]') AS wikipage
FROM externallinks
INNER JOIN page wp
ON wp.page_id = el_from
AND wp.page_namespace IN (0, 14)
INNER JOIN specieswiki_p.page cp
ON cp.page_title = SUBSTRING(REPLACE (el_to, CONCAT('?uselang=', @l), ''), IF ((LEFT (el_to, 5) = 'https'), @len + 1, @len))
AND cp.page_namespace = 0
AND cp.page_is_redirect = 1
WHERE ((el_to LIKE 'https://species.wikimedia.org/wiki/%') OR (el_to LIKE 'http://species.wikimedia.org/wiki/%'))
AND el_to NOT LIKE '%//species.wikimedia.org/wiki/Category:%'
AND el_to NOT LIKE '%\%%' #temp
)
ORDER BY wikipage
LIMIT 1000;
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