On Thu, Apr 10, 2008 at 4:40 PM, Pavan Deolasee <pavan.deolasee@xxxxxxxxx> wrote: > On Thu, Apr 10, 2008 at 7:18 PM, Ivano Luberti <luberti@xxxxxxxxxxxx> wrote: > > I think that's because Postgres does not have deferred constraint checks. I believe it does. See http://www.postgresql.org/docs/8.3/interactive/sql-set-constraints.html and the DEFERRABLE keyword in CREATE TABLE. Or am I missing something here?