Re: Unicode combining characters

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, ZeugswetterA(at)spardat(dot)at, phede-ml(at)islande(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Unicode combining characters
Date: 2001-10-03 22:27:47
Message-ID: 200110032227.f93MRll24126@candle.pha.pa.us
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> Tom Lane writes:
>
> > In the meantime, we still have the question of whether to enable
> > multibyte in the default configuration.
>
> This would make more sense if all of multibyte, locale, and NLS became
> defaults in one release. I haven't quite sold people in the second item
> yet, although I have a design how to do that (see below). And the third,
> well who knows...
>
> Perhaps we could make it a release goal for 7.3 to
>
> * Optimize i18n stuff to have a minimal performance penalty when it's not
> used. (locale=C etc.)
>
> * Make i18n stuff sufficiently well-behaved to make it the default.
> (Especially, add initdb options and GUC parameters to set the locale.
> Don't rely on environment variables -- too complicated.)
>
> Meanwhile, quadratic performance penalties (or so it seems) for LIKE
> expressions aren't exactly a "minor" problem.
>

Added to TODO:

* Optimize locale to have minimal performance impact when not used
(Peter E)
--
Bruce Momjian | http://candle.pha.pa.us
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