search for: other_company_id

...p would be appreciated. In my current project Companies can have many reviews. class Company < ActiveRecord::Base has_many :reviews, :as => :reviewable end However, my company table, I have two different IDs to identify my company. id - This is the typical id we use for normal stuff other_company_id - This is the id we use for reviews (on a shared db) Don''t ask why, we''re integrating two systems. So, rather then using id as the primary key for the relationship (as the above code would do) I want to use other_company_id for the primary key. It''d be great if I coul...