From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Question about the WITH RECURSIVE patch |
Date: | 2008-11-20 21:56:37 |
Message-ID: | 200811202156.mAKLucQ28391@momjian.us |
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Thread: | |
Lists: | pgsql-general |
Thomas Kellerer wrote:
> Tom Lane wrote on 20.11.2008 22:21:
> > "Josh Harrison" <joshques(at)gmail(dot)com> writes:
> >> My question is when I don't use the Recursive term does the optimizer just
> >> consider it as a subquery or does it work like Oracle's WITH CLAUSE
> >> (Subquery Factoring) ? Oracle's WITH CLAUSE boosts the performance of the
> >> queries. So does this do the same?
> >
> > See the fine manual, for instance last para here:
> > http://developer.postgresql.org/pgdocs/postgres/queries-with.html
> >
>
> Cool :)
>
> From http://umitanuki.net/pgsql/wfv08/design.html I got the impression that
> windowing functions will make into (at least partially) into 8.4 because on that
> page several items are marked with [DONE].
>
> I can't see anything in the developer docs regarding them. Does that mean they
> won't make it or that simply the documentation isnt't yet there?
The patch is still being reviewed for inclusion in 8.4.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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