From: Tom Lane on
I wrote:
> Robert Haas <robertmhaas(a)gmail.com> writes:
>> Yeah, maybe you're right. But I'd still prefer to see us break the
>> ABI and do this just in 9.0 rather than changing 8.4.

> OK, I can live with that. I'll take a look at it shortly.

Proposed patch attached (compiles, untested as yet).

regards, tom lane