Robert DiFalco wrote > For 2 arbitrary ids, I need a query to get two pieced of data: > * Are the two users friends?
This seems easy...ROW(u_id, f_id) = ROW(n1, n2) > * How many friends do the two users have in common. SELECT f_id FROM [...] WHERE u_id = n1 INTERSECT SELECT f_id FROM [...] WHERE u_id = n2 Put those into WITH/CTE and use the main query to combine them in whatever way seems appropriate. David J. -- View this message in context: http://postgresql.nabble.com/Combining-two-queries-tp5831378p5831391.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
