The following bug has been logged online:

Bug reference: 1387
Logged by: Andrew Kompaneev
Email address: Akompaneev (AT) computel (DOT) ru
PostgreSQL version: 8.0 RC2
Operating system: Windows 2000 SP4
Description: Sort order don't work correctly
Details:

On Windows platform in database with encoding='UNICODE' sort order on column
with non-english chars (for example, Cyrillic) doesn't work correctly.
If the database has encoding='WIN' sort order works OK. By the way, on Linux
(Redhat 9) sort order work OK too.
"select * from ... order by ...;"

---------------------------(end of broadcast)---------------------------
TIP 6: Have you searched our list archives?

http://archives.postgresql.org

Andrew Kompaneev wrote:
Unicode doesn't work on Windows right now. Sorry.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/

---------------------------(end of broadcast)---------------------------
TIP 5: Have you checked our extensive FAQ?

http://www.postgresql.org/docs/faqs/FAQ.html