DROP TABLE IF EXISTS scratch.relcomments;
		CREATE TABLE scratch.relcomments AS
		SELECT A.post_id, A.page_id, B.created_on - A.created_at as delay
		FROM facebook.comment_contents B, scratch.relposts A
		WHERE A.post_id = B.post_id;

		DROP TABLE IF EXISTS scratch.delaytimings;
		CREATE TABLE scratch.delaytimings AS
		SELECT page_id, date_trunc('hour',delay) as hours, count(*) as count
		FROM scratch.relcomments
		GROUP BY page_id, hours
		ORDER BY page_id, hours;

		DROP TABLE IF EXISTS scratch.delaytimingsoverlaps;
		CREATE TABLE scratch.delaytimingsoverlaps AS
		SELECT A.count as countA, B.count as countB, A.page_id as page_idA, B.page_id as page_idB
		FROM scratch.delaytimings A INNER JOIN scratch.delaytimings B
		ON A.hours = B.hours
		WHERE A.page_id < B.page_id;

		DROP TABLE IF EXISTS scratch.delaytimingsoverlaps_counts;
		CREATE TABLE scratch.delaytimingsoverlaps_counts AS
		SELECT sum(countA) as tcountA, sum(countB) as tcountB, page_idA, page_idB
		FROM scratch.delaytimingsoverlaps
		GROUP BY page_idA, page_idB;