db name & language as variables

SQL

USE dewiki_p;
SET @w = IF (EXISTS (SELECT 1 FROM page WHERE page_namespace = 0 AND page_is_redirect = 0 AND page_id = 722 AND page_title = 'Hoofdpagina'), 'nlwiki', 
         IF (EXISTS (SELECT 1 FROM page WHERE page_namespace = 4 AND page_is_redirect = 0 AND page_id = 5248757 AND page_title = 'Hauptseite'), 'dewiki',
         IF (EXISTS (SELECT 1 FROM page WHERE page_namespace = 4 AND page_is_redirect = 0 AND page_title = 'Accueil_principal'), 'frwiki',
         IF (EXISTS (SELECT 1 FROM page WHERE page_namespace = 4 AND page_is_redirect = 0 AND page_title = 'Portada'), 'eswiki',
         IF (EXISTS (SELECT 1 FROM page WHERE page_namespace = 0 AND page_is_redirect = 0 AND page_title = 'Main_Page'), 'enwiki',
             'none')))));
SELECT @w;
SQL

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