Re: BUG #4319: lower()/upper() does not know about UNICODE case mapping - Mailing list pgsql-bugs

Valentine Gogichashvili escribió:

> On 8.2.3 database with LC_CTYPE set to en_EN, lower() function is actually
> corrupting UTF8 data, lowering UTF8 control bytes... I did have a chance to
> check if how it works on the 8.3 as I do not have any db instance with the
> LC_CTYPE set to en_EN.

I don't know about Unicode case mapping, but en_EN is not a UTF8 locale
which is why it's corrupting the data.  Try en_EN.utf8 instead.

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Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.