Candidates to be linked from disambiguations on cswiki (existing)

SQL

USE cswiki_p;
SELECT disambigs.page_title AS d, allpages.page_title AS t
FROM page_props
JOIN page AS disambigs ON disambigs.page_id = pp_page
JOIN page AS allpages
#SELECT pl_title AS title FROM pagelinks AS alllinks WHERE alllinks.pl_namespace = 0
WHERE pp_propname = 'disambiguation'
AND allpages.page_namespace = 0
AND allpages.page_title LIKE CONCAT(SUBSTRING_INDEX(disambigs.page_title, '_(', 1), '\\_%')
AND allpages.page_title <> disambigs.page_title
AND NOT EXISTS (
  SELECT 1 FROM pagelinks WHERE pl_from = pp_page
  AND pl_namespace = 0
  AND (
    pl_title = allpages.page_title OR pl_title IN (
      SELECT redirects.page_title FROM redirect JOIN page AS redirects ON page_id = rd_from
      WHERE rd_title = allpages.page_title AND rd_namespace = 0
    ) OR pl_title IN (SELECT rd_title FROM redirect WHERE rd_from = allpages.page_id)
  )
)
LIMIT 1;
SQL

Checking query status...
