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Re: pg_trgm

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>
Cc: tgl(at)sss(dot)pgh(dot)pa(dot)us, ishii(at)postgresql(dot)org, andres(at)anarazel(dot)de, pgsql-hackers(at)postgresql(dot)org, teodor(at)sigaev(dot)ru
Subject: Re: pg_trgm
Date: 2010-05-27 15:24:36
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On tor, 2010-05-27 at 23:20 +0900, Tatsuo Ishii wrote:
> Anyway locale is completely usesless for finding word vs non-character
> an agglutinative language such as Japanese.

I don't know about Japanese, but the locale approach works just fine for
other agglutinative languages.  I would rather suspect that it is the
trigram approach that might be rather useless for such languages,
because you are going to get a lot of similarity hits for the affixes.

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