Mean lifetime of reverted revis Support needion @ ptwiki

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

SQL

use ptwiki_p;
select avg(HOUR(TIMEDIFF(CAST(r.rev_timestamp AS DATETIME),CAST(rp.rev_timestamp AS DATETIME)))), EXTRACT(MONTH FROM CAST(r.rev_timestamp AS DATETIME)) AS MES, EXTRACT(YEAR FROM CAST(r.rev_timestamp AS DATETIME)) AS ANO 
FROM revision r INNER JOIN revision rp ON  r.rev_parent_id = rp.rev_id  INNER JOIN revision rpp ON rp.rev_parent_id = rpp.rev_id 
WHERE r.rev_timestamp > 20160000000000 and r.rev_sha1  = rpp.rev_sha1
GROUP BY 2,3
ORDER BY 3,2
;

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