In article <20090820065819.GA2598@gheift.kawo1.rwth-aachen.de>,
Gerhard Heift <ml-postgresql-20081012-3518@gheift.de> writes:
> Hello,
> I try to create an unique index for a (time)period, and my goal is to
> prevent two overlapping periods in a row.
> ...
> Is there another solution to solve my problem?
Have a look at http://pgfoundry.org/projects/temporal