| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: Window function bug |
| Date: | 2011-07-12 22:25:59 |
| Message-ID: | 18463.1310509559@sss.pgh.pa.us |
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| Lists: | pgsql-bugs |
Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> On Tue, 2011-07-12 at 11:20 -0400, Tom Lane wrote:
>> So far as I can see, the failure only
>> occurs if we have a plain (non-grouping) Agg node, which implies that
>> the user is trying to use windowing functions on a result set that's
>> guaranteed to contain exactly one aggregated row. That seems pretty
>> useless, so I'm thinking it's not worth back-patching a fix for.
>> Comments?
> Agreed. I'm not worried about backpatching it.
I've fixed this in HEAD and 9.1 only.
regards, tom lane
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