Re: small exclusion constraints patch

Robert Haas <robertmhaas@gmail.com> writes:
> On Sat, May 29, 2010 at 6:11 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Or, to put it differently: if nobody's done that in the past twenty
>> years, why is it likely to happen before 9.1?

> Hmm.  Well suppose we bet a dollar on whether that will happen or not.
>  In fact, if you promise not to read
> http://archives.postgresql.org/pgsql-hackers/2010-05/msg01175.php I'll
> make it two dollars.

Yes, I've seen Jeff's example.  It's a cute hack but somehow I doubt
that there is going to be a land rush to implement such things.
Can you point to any pre-existing example where anyone actually asked
for the ability to do that?
        regards, tom lane