On Jan 5, 2011, at 11:31 AM, RadosÅaw Smogura wrote: > The true is that probability > that in two coin drops we will get two reverses is 1/4, but true is, too, as > Newton said, it's 1/3, because if in 1st drop we don't get reverse we don't > need to drop again. Nonsense. You don't stop generating UUIDs just because you haven't yet got a collision. -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxxx http://www.elevated-dev.com/ (303) 722-0567 voice -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general