Chris@0: class Company < ActiveRecord::Base
Chris@0:   attr_protected :rating
Chris@0:   set_sequence_name :companies_nonstd_seq
Chris@0: 
Chris@0:   validates_presence_of :name
Chris@0:   def validate
Chris@0:     errors.add('rating', 'rating should not be 2') if rating == 2
Chris@0:   end  
Chris@0: end