Re: Rethinking user-defined-typmod before it's too late

Stephen Frost <sfrost@snowman.net> writes:
> Would this allow for 'multi-value' typmods for user-defined types?

If you can squeeze them into 31 bits of stored typmod, yes.  That
may mean that you still need the side table (with stored typmod being a
lookup key for the table).  But this gets you out of exposing that
detail to users.
        regards, tom lane