On ons, 2010-06-30 at 10:38 -0400, Tom Lane 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.
<kibo> "The <search condition> shall simply contain a <boolean value expression> that is retrospectively deterministic." This is then defined in a rather complex manner that ends up disallowing col > now() but allowing col < now(). </kibo> -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
