Wikidata usage in cswiki

SQL

USE cswiki_p;

SELECT COUNT(*), COUNT(DISTINCT eu_page_id), COUNT(DISTINCT eu_entity_id) FROM wbc_entity_usage;
/*
SELECT page_title, page_namespace, page_id, eu_entity_id, GROUP_CONCAT(DISTINCT eu_aspect SEPARATOR ', ') AS aspects,
	rev_timestamp AS last_edited
	FROM wbc_entity_usage
	JOIN page ON page_id = eu_page_id
	LEFT JOIN revision ON rev_id = page_latest
GROUP BY eu_page_id, eu_entity_id
ORDER BY eu_row_id DESC
LIMIT 25;

SELECT page_title, page_namespace, GROUP_CONCAT(DISTINCT wbc2.eu_entity_id SEPARATOR ', ') AS entities, rc_title AS item,
	wbc1.eu_touched, rc_timestamp, rev_timestamp AS last_edited
	FROM (SELECT * FROM wikidatawiki_p.recentchanges WHERE rc_namespace = 0 AND rc_log_type IS NULL) AS rc
	JOIN wbc_entity_usage AS wbc1 ON wbc1.eu_entity_id = rc_title AND wbc1.eu_touched >= rc_timestamp
	JOIN wbc_entity_usage AS wbc2 ON wbc2.eu_page_id = wbc1.eu_page_id
    JOIN page ON page_id = wbc2.eu_page_id
    JOIN revision ON rev_id = page_latest AND rev_timestamp < rc_timestamp
GROUP BY wbc2.eu_page_id HAVING COUNT(DISTINCT wbc2.eu_entity_id) > 2
ORDER BY MAX(wbc2.eu_row_id) DESC
LIMIT 25;

SELECT rc_title, rc_namespace, GROUP_CONCAT(DISTINCT eu_entity_id SEPARATOR ', ') AS entities, rc_timestamp
	FROM recentchanges AS changes
	JOIN wbc_entity_usage
		ON eu_page_id = rc_cur_id AND eu_touched = rc_timestamp
WHERE rc_source = "mw.edit"
GROUP BY eu_touched, eu_page_id HAVING COUNT(DISTINCT eu_entity_id) > 2
ORDER BY MAX(eu_row_id) DESC
LIMIT 25;

SELECT page_title, page_namespace, COUNT(DISTINCT eu_entity_id), COUNT(eu_aspect)
	FROM wbc_entity_usage
	JOIN page ON page_id = eu_page_id
GROUP BY eu_page_id
ORDER BY COUNT(DISTINCT eu_entity_id) DESC, COUNT(eu_aspect) DESC, page_title
LIMIT 25;

SELECT eu_entity_id, COUNT(DISTINCT eu_page_id)
	FROM wbc_entity_usage
GROUP BY eu_entity_id
ORDER BY COUNT(DISTINCT eu_page_id) DESC
LIMIT 15;
*/
SQL

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