Looks like this is a dup of #4479:
Yep, exactly
http://archives.postgresql.org/pgsql-bugs/2008-10/msg00094.php
-- Teodor Sigaev E-mail: [EMAIL PROTECTED] WWW: http://www.sigaev.ru/ -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs