Untitled query #38621

SQL

use commonswiki_p;
SELECT
 user.user_name as uploader,
 COUNT(img_name) as images
 FROM (SELECT
   cl_to,
   cl_from
   FROM categorylinks
   WHERE cl_to = "Images_from_Wiki_Loves_Monuments_2019" AND cl_type = 'file') cats
 INNER JOIN page ON cl_from = page_id
 INNER JOIN image ON page_title = img_name
 LEFT JOIN oldimage ON image.img_name = oldimage.oi_name AND oldimage.oi_timestamp = (SELECT MIN(o.oi_timestamp) FROM oldimage o WHERE o.oi_name = image.img_name)
 LEFT JOIN actor ON actor.actor_id = COALESCE(oldimage.oi_actor, image.img_actor)
 LEFT JOIN user ON user.user_id = actor.actor_user
 GROUP BY uploader
SQL

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