WITH ns(ns_n, ns_s) AS (VALUES (-2, 'Media:'), (-1, 'Special:'), (0, '(main)'), (1, 'Talk:'), (2, 'User:'), (3, 'User talk:'), (4,

  'Wikipedia:'), (5, 'Wikipedia talk:'), (6, 'File:'), (7, 'File talk:'), (8, 'MediaWiki:'), (9, 'MediaWiki talk:'), (10, 'Template:'),

  (11,  'Template talk:'), (12, 'Help:'), (13, 'Help talk:'), (14, 'Category:'), (15, 'Category talk:'), (100, 'Portal:'), (101,

  'Portal talk:'), (118, 'Draft:'), (119, 'Draft talk:'), (710, 'TimedText:'), (711, 'TimedText talk:'), (828, 'Module:'), (829,

  'Module talk:'), (2300, 'Gadget:'), (2301, 'Gadget talk:'), (2302, 'Gadget definition:'), (2303, 'Gadget definition talk:'))

SELECT COALESCE(page_is_redirect, 'total') AS is_redirect,

       COALESCE(ns_s, 'total') AS namespace,

       count

FROM

(

  SELECT page_is_redirect, page_namespace, COUNT(*) AS 'count'

  FROM page

  GROUP BY page_is_redirect, page_namespace WITH ROLLUP

) subquery

LEFT JOIN ns ON ns_n = page_namespace

ORDER BY COALESCE(page_namespace, 9999), COALESCE(page_is_redirect, 9999);

​