Testing - Quarry

SQL

USE enwikinews_p;
SELECT count(*), a.*
FROM archive_userindex a
WHERE ar_actor = 2782834
GROUP BY ar_title
/*
USE wikidatawiki_p;
SELECT pg.page_title AS `Redirect from`, r.rd_title AS `Redirect to` #pg.*, r.*
FROM page pg
JOIN redirect r ON r.rd_from = pg.page_id
WHERE page_is_redirect = 1
AND pg.page_namespace = 0
AND EXISTS (
	SELECT 1
	FROM page pg2
	WHERE pg2.page_title = pg.page_title
	AND pg2.page_namespace = 1
	AND pg2.page_is_redirect = 0
	LIMIT 1
)
AND NOT EXISTS (
	SELECT 1
	FROM page pg3
	WHERE pg3.page_title = r.rd_title
	AND pg3.page_namespace = 1
	LIMIT 1
)
LIMIT 100;
/*
SELECT pp.pp_value #pg.page_id, pl.*, pp.*
FROM pagelinks pl
JOIN page AS pg
ON page_title = pl_title AND page_namespace = pl_namespace
JOIN page_props AS pp
ON pp_page = page_id AND pp_propname = 'wikibase_item'
WHERE pl_from = 39377526
AND EXISTS (
	SELECT 1
	FROM categorylinks
	WHERE cl_from = pg.page_id
	AND cl_to = 'Living_people'
)
*/
SQL

Checking query status...
