Recent changes namespace distribution

SQL

SELECT CASE rc.rc_namespace
WHEN   -2 THEN 'Media'             WHEN   -1 THEN 'Special'
WHEN    0 THEN 'Main space'        WHEN    1 THEN 'Talk'
WHEN    2 THEN 'User'              WHEN    3 THEN 'User talk'
WHEN    4 THEN 'Wikipedia'         WHEN    5 THEN 'Wikipedia talk'
WHEN    6 THEN 'File'              WHEN    7 THEN 'File talk'
WHEN    8 THEN 'MediaWiki'         WHEN    9 THEN 'MediaWiki talk'
WHEN   10 THEN 'Template'          WHEN   11 THEN 'Template talk'
WHEN   12 THEN 'Help'              WHEN   13 THEN 'Help talk'
WHEN   14 THEN 'Category'          WHEN   15 THEN 'Category talk'
WHEN  100 THEN 'Portal'            WHEN  101 THEN 'Portal talk'
WHEN  108 THEN 'Book'              WHEN  109 THEN 'Book talk'
WHEN  118 THEN 'Draft'             WHEN  119 THEN 'Draft talk'
WHEN  446 THEN 'Education Program' WHEN  447 THEN 'Education Program talk'
WHEN  710 THEN 'TimedText'         WHEN  711 THEN 'TimedText talk'
WHEN  828 THEN 'Module'            WHEN  829 THEN 'Module talk'
WHEN 2300 THEN 'Gadget'            WHEN 2301 THEN 'Gadget talk'
WHEN 2302 THEN 'Gadget definition' WHEN 2303 THEN 'Gadget definition talk'
END AS 'Namespace',
COUNT(rc.rc_id) AS 'Changes',
CONCAT(ROUND(COUNT(rc.rc_id) / (SELECT COUNT(rc2.rc_id) FROM recentchanges rc2) * 100, 2), '%') AS '% of total'
FROM recentchanges rc
WHERE rc.rc_source != 'mw.categorize'
GROUP BY rc.rc_namespace
ORDER By rc.rc_namespace ASC
SQL

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