RE: Possible solution for LIKE optimization

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: RE: Possible solution for LIKE optimization
Date: 2001-08-06 19:07:09
Message-ID: Pine.LNX.4.30.0108062105201.680-100000@peter.localdomain
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Hiroshi Inoue writes:

> I'm not familiar with non_ASCII locale.
> Is 'ss' always guaranteed to be LIKE 's%' for example ?

Yes. LIKE doesn't use any collation rules, since it doesn't do any
collating.

--
Peter Eisentraut peter_e(at)gmx(dot)net http://funkturm.homeip.net/~peter

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