Hello,
using a database with utf8 encoding and utf8 locale, accented letters are
not properly compared.
Test to reproduce: it converts a lowercase letter (the sequence '\xc3\xa8'
is the utf8 encoding of the unicode 'LATIN SMALL LETTER E WITH GRAVE') into
uppercase and then compares the two letters with a non case sensitive
operator. I expect this to be an identity, so the value expected from the
query is 't'.
$ initdb --encoding=utf8 --locale=en_US.utf8 en_utf8
$ pg_ctl -D en_utf8 start
$ psql postgres
postgres=# SELECT upper('\xc3\xa8') ILIKE '\xc3\xa8';
?column?
----------
f
The locale it_IT.utf8 shows the same problem too. The result is true for
it_IT.iso-8859-1 locale.
Is it a PostgreSQL related problem or a libc one?
Thank you
--
Daniele Varrazzo - Develer S.r.l.
http://www.develer.com
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