Smart first uploader

SQL

use commonswiki_p;
SELECT
 img_timestamp,
 img_name IN (SELECT DISTINCT gil_to FROM globalimagelinks),
 user.user_name as name,
 user_registration
 FROM (SELECT
   cl_to,
   cl_from
   FROM categorylinks
   WHERE cl_to = "Foreground_cereals" 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 user ON user.user_id = COALESCE(oldimage.oi_user, image.img_user)
SQL

Checking query status...
