Re: tsearch2: language or encoding

From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: tsearch2: language or encoding
Date: 2007-07-12 14:08:10
Message-ID: Pine.LNX.4.64.0707121802470.20068@sn.sai.msu.ru
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Tatsuo,

fts configuration doesn't related to the encoding ! It's fully up to you
how to combine parser and dictionaries.

The problem arise only if you want
to define somehow so-called default configuration, which, as I inclined
now, is a bad feature. We choose locale name to identify default confgiuration,
for 8.3 people suggested to have language name.

Oleg
On Fri, 6 Jul 2007, Tatsuo Ishii wrote:

> Hi,
>
> I'm wondering if a tsearch's configuration is bound to a language or
> an encoding. If it's bound to a language, there's a serious design
> problem, I would think. An encoding or charset is not necessarily
> bound to single language. We can find such that example everywhere(I'm
> not talking about Unicode here). LATIN1 inclues English and several
> european languages. EUC-JP includes English and Japanese etc. And
> we specify encoding for char's property, not language, I would say the
> configuration should be bound to an encoding.
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
>
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Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru)
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83

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