পূর্বাবস্থায় ফেরত

This query is marked as a draft This query has been published by Yahya.

SQL

SELECT
  actor.actor_name AS user,
  GROUP_CONCAT(DISTINCT user_groups.ug_group) AS group,
  COUNT(DISTINCT rev_id) AS edit_count
FROM revision LEFT JOIN actor ON (revision.rev_actor = actor.actor_id)
  LEFT JOIN user_groups ON (actor.actor_user = user_groups.ug_user)
-- Lọc theo thời gian
WHERE DATEDIFF(CURDATE(), rev_timestamp) < 30
-- Group by user.
GROUP BY user
-- Giới hạn 200 người có số sửa đổi cao nhất
ORDER BY edit_count DESC
LIMIT 200;

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