RE: Progress report on locale safe LIKE indexing

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
Cc: PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: RE: Progress report on locale safe LIKE indexing
Date: 2001-08-18 16:19:59
Message-ID: Pine.LNX.4.30.0108181816450.677-100000@peter.localdomain
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Hiroshi Inoue writes:

> Isn't 'a' LIKE 'A' if 'a' = 'A' ?

Yes. But 'a' <> 'A'.

> LIKE seems to use the collating sequence.

No. The collating sequence defines the order of all possible strings.
LIKE doesn't order anything.

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

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