| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Jeff Davis <pgsql(at)j-davis(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: small exclusion constraints patch |
| Date: | 2010-05-30 03:40:46 |
| Message-ID: | 28529.1275190846@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Sat, May 29, 2010 at 6:11 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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
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