Fabio Rueda Carrascosa escribió: > My grant/revoke architecture is fine, you mean about costly cpu/ram queries? Sure. The SQL dialect supported by Postgres is Turing-complete, so people can write statements that consume arbitrary amounts of RAM and diskspace, and run for arbitrary amounts of time -- regardless of work_mem and other settings. (Actually, this was true even before the dialect got to be Turing-complete). Please don't top-post. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general