| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Windowing functions - future plans |
| Date: | 2009-11-01 17:03:42 |
| Message-ID: | 20091101170342.GF28990@fetter.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Sun, Nov 01, 2009 at 12:04:32PM +0100, Thomas Kellerer wrote:
> Hi,
>
> I was wondering if there are plans to extend the window framing
> clause to allow the number of rows in the frame to be specified.
>
> Something like:
>
> ROWS BETWEEN 5 PRECEDING AND 5 FOLLOWING
>
> I did find a comment on the TODO list regarding the framing clause
> ("Implement full support for window framing clauses") but the
> explanation did not mention allowing a number instead of UNBOUND for
> the frame definition.
>
> Oracle and DB2 do support this syntax ;)
Patches welcome :)
Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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