Maybe I'm an idiot, but here's me selecting from a customer table. Customers have a FK to 'address' via ship_address_id. I want to filter on address.state, but can't figure out how to do it. 'state' is not an available field in the filters and I can't seem to drill into any of the FK entities.
Screenshot: https://s3.amazonaws.com/uploads.hipchat.com/57670/394271/Wt...