On Fri, Apr 01, 2005 at 10:37:11 +0200, [EMAIL PROTECTED] wrote: > > And idea that just came up around here that sounds like a pretty neat > workaround, which we're gonna try, is to drop the foreign key > constraints, and just use a check constraint for the allowed values. If > the cardinality of the reference table is small, this is much faster > than using foreign keys and solves your problem. With the drawback that > if you update the reference table (if you keep it), you mustn't forget > to also update the check constraints in more than one place.
Using domains is a good way to keep column constraints in just one place. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq