Most active users by bytes on Wikidata (2021)

SQL

SELECT CONCAT("[",actor_name,"](https://www.wikidata.org/wiki/User:",actor_name,")") AS user_name, SUM(CAST(rev.rev_len as signed)-CAST(parent.rev_len as signed)) AS byte_count
FROM actor
JOIN revision rev
ON actor_id = rev.rev_actor
JOIN revision parent
ON rev.rev_parent_id = parent.rev_id
JOIN page
ON page_id = parent.rev_page
WHERE page_namespace = 0
AND rev.rev_timestamp <= 20201231235959
AND parent.rev_timestamp <= 20201231235959
AND rev.rev_timestamp >= 20200101000000
AND parent.rev_timestamp >= 20200101000000
AND actor_user IS NOT NULL
GROUP BY actor_name
ORDER BY byte_count DESC
LIMIT 50;

SQL

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