SELECT

  CASE WHEN user_editcount IS NULL THEN 'IP'

       WHEN user_editcount <= 10 THEN '0–10'

       WHEN user_editcount <= 100 THEN '11–100'

       WHEN user_editcount <= 1000 THEN '101–1000'

       WHEN user_editcount <= 10000 THEN '1001–10000'

       WHEN user_editcount <= 100000 THEN '10001–100000'

       WHEN user_editcount <= 1000000 THEN '100001–1000000'

       ELSE '>1000000'

  END as bucket,

  COUNT(DISTINCT actor_id) AS editors,

  COUNT(*) AS edits,

  COUNT(*) / COUNT(DISTINCT actor_id) AS edits_per_editor

FROM

  revision

  JOIN actor_revision ON rev_actor = actor_id

  LEFT JOIN user ON actor_user = user_id

WHERE

  rev_timestamp LIKE '20240914%'

GROUP BY bucket

ORDER BY MAX(COALESCE(user_editcount,0));