Re: Disabling inferred "group by" columns in 9.1?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Evan D(dot) Hoffman" <evandhoffman(at)gmail(dot)com>
Cc: Postgresql Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: Disabling inferred "group by" columns in 9.1?
Date: 2012-10-11 19:31:28
Message-ID: 25344.1349983888@sss.pgh.pa.us
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"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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