Thanks for pointing me to that article. I totally forgot that the postgres wiki existed. Updating is not an option at the moment, but we'll probably do so in the future. Until then I can live with the workaround. Kind regards, Marc -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance