Chris@909: class Company < ActiveRecord::Base
Chris@909:   attr_protected :rating
Chris@909:   set_sequence_name :companies_nonstd_seq
Chris@909: 
Chris@909:   validates_presence_of :name
Chris@909:   def validate
Chris@909:     errors.add('rating', 'rating should not be 2') if rating == 2
Chris@909:   end  
Chris@909: end