Re: SQL:2003 Window Functions for postgresql 8.3?

On Aug 24, 2006, at 14:11 , Alvaro Herrera wrote:

> Karen Hill wrote:
>
>> It would be really great if PostgreSQL supported SQL:2003 Window
>> functions.  I know that oracle and sql server have them already,
>> so it
>> would make postgres competitive in that area.  I know there is a
>> feature freeze for 8.2,  is it doable for 8.3?
>
> The sooner you start writing a patch, the sooner you will be done ;-)
>
> I agree it would be nice to have them, but currently I don't think
> there's anyone working on'em.

Could someone elaborate on the window functions? This page http://
en.wikipedia.org/wiki/SELECT has some examples but they make it seem
like the functions are an overly-verbose LIMIT statement. So what's
the benefit?

-M