Bezahltes Schreiben in zwei Kategorien

SQL

WITH RECURSIVE Cat AS (SELECT page_title, page_id
                        FROM page
                       WHERE page_title = 'Wikipedia:Bezahltes_Schreiben/Benutzer_angesprochen'
                         AND page_namespace = 14
                       UNION
                      SELECT SubCat.page_title, SubCat.page_id
                        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 B.page_title, B.page_namespace
  FROM Cat, categorylinks AS CatLinks, page as BD, page as B/*, categorylinks AS PageLinks*/
 WHERE Cat.page_title = CatLinks.cl_to
   AND CatLinks.cl_from = BD.page_id
   AND B.page_title = BD.page_title
   AND B.page_namespace = 2
   /* AND PageLinks.cl_from = BD.page_id
   AND PageLinks.cl_to = 'Benutzer:Bezahlte_Bearbeitungen'*/
SQL

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