Sorry for delayed response. 2011/11/29 Albe Laurenz <laurenz.a...@wien.gv.at>: > I think that this is not always safe even from PostgreSQL to PostgreSQL. > If two databases have different collation, "<" on strings will behave > differently.
Indeed. I think that only the owner of foreign table can keep collation consistent between foreign and local, like data type of column. We need to support per-column-collation on foreign tables too, or should deny pushing down condition which is collation-sensitive... Regards,-- Shigeru Hanada -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers