Bad links from wikis to m, mw, species articles: broken

SQL

USE enwiki_p;
SELECT now() AS timestamp;
#empty links, no target given
(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
WHERE iwl_prefix ='commons'
AND iwl_title = 'Category:'
)
UNION
#broken interwikilinks
(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
AND wp.page_is_redirect = 0
WHERE 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('# [[', 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(REPLACE (el_to, '?uselang=en', ''), 45)
AND cp.page_namespace = 14
INNER JOIN commonswiki_p.categorylinks ccl
ON ccl.cl_from = cp.page_id
AND ccl.cl_to = 'Disambiguation'
WHERE el_to LIKE 'https://commons.wikimedia.org/wiki/Category:%'
AND NOT EXISTS (SELECT 1 FROM categorylinks wcl
    WHERE wcl.cl_from = wp.page_id
    AND wcl.cl_to IN ('Disambiguation_pages',
                      'Buildings_and_structures_disambiguation_pages',
                      'Educational_institution_disambiguation_pages',
                      'Road_disambiguation_pages')) #from disambig to disambig is ok
)*/
ORDER BY wpage
LIMIT 1000;
SQL

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