SQL
AخA
SELECT user_name, COUNT(rc_id) AS `count`
FROM user_former_groups
LEFT JOIN user ON ufg_user = user_id
LEFT JOIN user_groups ON user_id = ug_user AND ug_group = 'sysop'
LEFT JOIN actor ON user_id = actor_user
LEFT JOIN recentchanges ON actor_id = rc_actor
WHERE ufg_group = 'sysop' AND ug_group IS NULL AND rc_id IS NOT NULL
GROUP BY user_id
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