On Thu, 2009-08-20 at 13:35 +0200, Harald Fuchs wrote: > Have a look at http://pgfoundry.org/projects/temporal The temporal project on pgfoundry only provides the time period type, which is (hopefully) useful, but it does not help with a non-overlapping constraint. Please see my other project here: https://commitfest.postgresql.org/action/patch_view?id=132 I have a working patch already, and I plan to get it cleaned up so that it can make it into 8.5. Regards, Jeff Davis -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general