On Wed, Jun 30, 2010 at 16:38, Tom Lane <t...@sss.pgh.pa.us> wrote: > Magnus Hagander <mag...@hagander.net> writes: >> Shouldn't we disallow anything that's not IMMUTABLE in a check constraint? > > I think you'd get too many howls of pain ... also, such a restriction is > likely contrary to SQL spec.
Really? That sounds strange, but I can't claim to k now the SQL spec.. > The example seems to me to be in the category of "so don't do that" > rather than something that we need to save users from. Yes, it's In that case, should we at least throw a warning? > stupid, but for example the very similar check of "a < now()" > would be perfectly safe and arguably useful. Well, things like timezone settings could come in effect there as well... -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
