DPL debug -- Query= SELECT DISTINCT `wiki_page`.page_namespace AS page_namespace,`wiki_page`.page_title AS page_title,`wiki_page`.page_id AS page_id, `wiki_page`.page_title as sortkey FROM `wiki_page` WHERE 1=1 AND `wiki_page`.page_namespace IN ('512') AND NOT (`wiki_page`.page_title LIKE '%/%') AND `wiki_page`.page_is_redirect=0 ORDER BY page_title ASC LIMIT 0, 50000