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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Ragnar Österlund <ragoster@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: case insensitive regex clause with some latin1 characters fails
Date: Mon, 11 Sep 2006 15:41:16 -0400
Message-ID: <5785.1158003676@sss.pgh.pa.us> (raw)
In-Reply-To: <6b4c32560609111209v7edc95dcq9a559d0f5e69027b@mail.gmail.com>
References: <6b4c32560609111209v7edc95dcq9a559d0f5e69027b@mail.gmail.com>

"=?ISO-8859-1?Q?Ragnar_=D6sterlund?=" <ragoster@gmail.com> writes:
> I'm not sure if this is a bug or if I'm doing something wrong. I have
> a database encoded with ISO-8859-1, aka LATIN1. When I do something
> like:

> SELECT 'Ä' ~* 'ä';

> it returns false.

Check the database's locale setting (LC_CTYPE).  It has to be one that
expects LATIN1 encoding.

The current regex code is generally not able to deal with locale-specific
behaviors in UTF8 encoding, but it should work for single-byte encodings
as long as you've got the locale setting right.

			regards, tom lane



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