~Bad links from Commons to other wikis

SQL

#USE dewiki_p;
#USE dewikisource_p;
#USE dewikivoyage_p;
#USE dewiktionary_p;
#USE enwiki_p;
#USE eswiki_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 @pref = 'en';
CASE @w
 WHEN 'specieswiki' THEN @pref = 'species';
 ELSE @pref = @l;
END CASE;
SELECT now() AS timestamp;
#empty links, no target given
(SELECT CONCAT('# [[', IF (cp.page_namespace = 14, ':Category:', ''), REPLACE (cp.page_title, '_', ' '), ']] ',
               '→ [[:', @l, ':', REPLACE (cl.iwl_title, '_', ' '), ']]') AS wikipage
FROM commonswiki_p.iwlinks cl
INNER JOIN commonswiki_p.page cp
ON cp.page_id = cl.iwl_from
AND cp.page_namespace IN (0, 14)
AND cp.page_title NOT LIKE 'Wikipedia/%'
WHERE cl.iwl_prefix = @l
AND cl.iwl_title REGEXP '^ *$'
)/*
UNION
#broken interwikilinks
(SELECT CONCAT('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
               '→ [[:c:', REPLACE (iwl_title, '_', ' '), ']]') AS wikipage
FROM iwlinks
INNER JOIN page wp
ON wp.page_id = iwl_from
AND wp.page_namespace IN (0, 14)
AND wp.page_is_redirect = 0
AND wp.page_title NOT REGEXP @p
WHERE iwl_prefix ='commons'
AND iwl_title LIKE 'Category:%'
AND NOT EXISTS (SELECT 1 FROM commonswiki_p.page cp
                WHERE cp.page_title = SUBSTRING(iwl_title, 10)
                AND cp.page_namespace = 14)
)
UNION
#broken external interwiki links
(SELECT CONCAT('# [[', IF (wp.page_namespace = 14, ':{{ns:14}}:', ''), REPLACE (wp.page_title, '_', ' '), ']] ',
               '→ [[:c:', REPLACE ((SUBSTRING(REPLACE (REPLACE (el_to, '#mw-subcategories', ''), CONCAT('?uselang=', @l), ''), 36)), '_', ' '), ']]') AS wikipage
FROM externallinks
INNER JOIN page wp
ON wp.page_id = el_from
AND wp.page_namespace IN (0, 14)
AND wp.page_is_redirect = 0
AND wp.page_title NOT REGEXP @p
WHERE el_to LIKE 'https://commons.wikimedia.org/wiki/Category:%'
AND el_to NOT LIKE '%\%%' #temp
AND NOT EXISTS (SELECT 1 FROM commonswiki_p.page cp
                WHERE cp.page_namespace = 14
                AND cp.page_title = SUBSTRING(REPLACE (REPLACE (el_to, '#mw-subcategories', ''), CONCAT('?uselang=', @l), ''), 45)
               )
)*/
#ORDER BY wikipage
LIMIT 1000;
SQL

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