Taxobox-Seite mit ß vorhanden, mit ss fehlt eine Weiterleitung

SQL

WITH RECURSIVE Cat AS (SELECT page_title, page_id, 'D-Ö' AS CatGroup
                        FROM page
                       WHERE page_title IN ('Deutschland', 'Österreich')
                         AND page_namespace = 14
                       UNION
                      SELECT page_title, page_id, 'CH' AS CatGroup
                        FROM page
                       WHERE page_title = 'Schweiz'
                         AND page_namespace = 14
                       UNION
                      SELECT SubCat.page_title, SubCat.page_id, Cat.CatGroup
                        FROM page AS SubCat, categorylinks, Cat
                       WHERE SubCat.page_namespace = 14
                         AND cl_from = SubCat.page_id
                         AND cl_to = Cat.page_title
                         AND cl_type = "subcat"
                     )
SELECT CONCAT('[[', REPLACE(s.page_title, '_', ' '), ']]') AS "ß-Seite",
       CONCAT('[[', REPLACE(REPLACE(s.page_title, 'ß', 'ss'), '_', ' '), ']]') AS "fehlende ss-Seite"
  FROM page AS s
 WHERE s.page_namespace = 0
   AND s.page_title RLIKE "^[^(]*ß"
   AND s.page_is_redirect = 0
   AND EXISTS (SELECT 1
                     FROM templatelinks
                    WHERE tl_from = s.page_id
                      AND tl_title = 'Taxobox'
                      AND tl_namespace = 10
                  )
   AND NOT EXISTS (SELECT 1
                     FROM page AS ss
                    WHERE ss.page_namespace = 0
                      AND ss.page_title = REPLACE(s.page_title, 'ß', 'ss')
                  )
   AND NOT EXISTS (SELECT 1
                     FROM page AS ss
                    WHERE ss.page_namespace = 0
                      AND ss.page_title = REPLACE(SUBSTRING_INDEX(s.page_title, '_(', 1), 'ß', 'ss')
                  )
   AND NOT (NOT EXISTS (SELECT 1
                     FROM categorylinks, Cat
                    WHERE cl_from = s.page_id
                      AND cl_to = Cat.page_title
                      AND Cat.CatGroup = 'D-Ö'
                   )
        OR EXISTS (SELECT 1
                     FROM categorylinks, Cat
                    WHERE cl_from = s.page_id
                      AND cl_to = Cat.page_title
                      AND Cat.CatGroup = 'CH'
                   )
       )
SQL

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