Likely partially disambiguated titles (1) - Quarry

Fork of Possible partially disambiguated titles by Certes

This query is marked as a draft This query has been published by Certes.

On enwp, see [[Wikipedia:Partially_disambiguated_page_names#Partially_disambiguated_article_titles_to_be_fixed]] and its talk page
See also query 75889

SQL

SELECT MIN(page_title) AS title1, MAX(page_title) AS title2, REGEXP_REPLACE(page_title, ".*?\\((\\w+).*", "\\1") AS qualifier,
 SUBSTRING_INDEX(page_title, '(', 1) AS basename, COUNT(*) AS N
FROM page
WHERE page_title LIKE "A%" AND page_title LIKE "Ab%(%)" AND page_is_redirect=0
GROUP BY basename, qualifier
HAVING SUM(page_title = CONCAT(basename, "(", qualifier, ")"))=1 AND N>1

​x
 
SELECT MIN(page_title) AS title1, MAX(page_title) AS title2, REGEXP_REPLACE(page_title, ".*?\\((\\w+).*", "\\1") AS qualifier, SUBSTRING_INDEX(page_title, '(', 1) AS basename, COUNT(*) AS NFROM pageWHERE page_title LIKE "A%" AND page_title LIKE "Ab%(%)" AND page_is_redirect=0GROUP BY basename, qualifierHAVING SUM(page_title = CONCAT(basename, "(", qualifier, ")"))=1 AND N>1​

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