| From: | "Evan D(dot) Hoffman" <evandhoffman(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Postgresql Mailing List <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Disabling inferred "group by" columns in 9.1? |
| Date: | 2012-10-11 19:42:56 |
| Message-ID: | F2A6B3EA-EC50-4162-8C86-32CA0CD83504@gmail.com |
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| Lists: | pgsql-general |
Ok. Thanks for your help.
On Oct 11, 2012, at 3:31 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Evan D. Hoffman" <evandhoffman(at)gmail(dot)com> writes:
>> Because we have both 9.0 and 9.1 running, and a query that succeeds
>> under 9.1 was failing under 9.0. Can I assume the answer then is
>> "no"?
>
> There are any number of reasons a query might work in version N and not
> in N-1. If you've got requirements like that, you should be developing
> on the oldest version you're worried about supporting ...
>
> regards, tom lane
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