public inbox for [email protected]
help / color / mirror / Atom feedFrom: Bruce Momjian <[email protected]>
To: Jeff Davis <[email protected]>
Cc: PostgreSQL-documentation <[email protected]>
Subject: Re: 7.5 release notes
Date: Sun, 25 Jul 2004 20:12:24 -0400 (EDT)
Message-ID: <[email protected]> (raw)
In-Reply-To: <1090752696.1676.212.camel@jeff>
Jeff Davis wrote:
> On Sat, 2004-07-24 at 21:25, Bruce Momjian wrote:
> > I have completed the 7.5 release notes. You can view them in HTML on
> > the developer web page. I have marked a few items with question marks
> > that need to be addressed. I am looking for improvements, even minor
> > ones. Either send in a patch or committers can modify the file
> > directly.
>
> I don't understand the following passage:
>
> "When matching GROUP BY names, prefer local FROM columns first, then
> SELECT aliases, and then outer FROM columns (Tom)
>
> This change was made because it is considered more consistent than the
> previous behavior."
>
> Perhaps it could be more clear? I don't know where else I'd go to find
> more thorough documentation on that subject.
Item removed. Tom said it was already in 7.4.3.
I made the adjustments below.
---------------------------------------------------------------------------
>
> Also, I've included a couple typo fixes below.
>
> Regards,
> Jeff Davis
>
> --- release.html.old 2004-07-25 03:06:28.000000000 -0700
> +++ release.html 2004-07-25 03:10:21.000000000 -0700
> @@ -99,7 +99,6 @@
> </p><p> Before this change some queries would not use an
> index if the data
> types did not exactly match. This improvement makes index usage
> more
> intuitive and consistent.
> - match exactly
> </p></li><li><p> New buffer replacement strategy that
> improves caching (Jan)
> </p><p> Prior releases use a least-recently-used (LRU) cache
> to keep
> recently referenced pages in the cache. Unfortunately, the cache
> @@ -129,7 +128,7 @@
> resulting in improved performance. The close relationship between
> our developers and users reporting problems allows us to make
> rapid and complex optimizer improvements that would be very
> - difficult for lose-source companies to emulate.
> + difficult for closed-source companies to emulate.
> </p></li><li><p> Improve btree index performance for
> duplicate keys (Dmitry Tkach, Tom)
> </p><p> This improves the way indexes are scanned when many
> duplicate values exist in the index.
>
>
>
--
Bruce Momjian | http://candle.pha.pa.us
[email protected] | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
view thread (23+ messages) latest in thread
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected]
Subject: Re: 7.5 release notes
In-Reply-To: <[email protected]>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox