On Wed, 2011-07-06 at 12:51 -0400, Robert Haas wrote: > On Wed, Jul 6, 2011 at 12:22 PM, Jeff Davis <pg...@j-davis.com> wrote: > > To get into some more details: how exactly would this constructor be > > generated on the fly? Clearly we want only one underlying C function > > that accepts something like: > > range_internal(lower, upper, flags, Oid rangetype) > > So how do we get the rangetype in there? > > I think that the C function could call get_call_result_type() and get > the return type OID back via the second argument.
I'm also a little unclear on the rules for when that might be set properly or not. I ran into problems with that before... I think with the I/O functions. I don't think that's a problem here, but I thought I'd ask. Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers