> I want to intercept that query with a rule, and with DO INSTEAD call a
> stored procedure and pass the values in the where clause to that stored
> proc? Is this possible? If so, how?
If this is the case, why don't you try a triggered procedure? Follow the
below link to learn howto write triggered procedures:
http://www.postgresql.org/docs/view.php?version=7.3&idoc=1&file=plpgsql-trigger.html
regards,
bhuvaneswaran