Untitled query #65911

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

SQL

USE tewiki_p;
SELECT actor_name,
    SUM(abs(CAST(rev.rev_len as signed)-if(rev.rev_parent_id=0,0,CAST(parent.rev_len as signed)))) AS Gross_bytes_added, 
    SUM(CAST(rev.rev_len as signed)-if(rev.rev_parent_id=0,0,CAST(parent.rev_len as signed))) AS nett_bytes_added
FROM actor, revision rev
left JOIN revision parent
ON parent.rev_id = rev.rev_parent_id
left JOIN page
ON page_id = rev.rev_page
WHERE page_namespace = 0
	and actor_id=rev.rev_actor
GROUP BY actor_name

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SQL

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