# File lib/active_record/validations.rb, line 469
      def validates_acceptance_of(*attr_names)
        configuration = { :on => :save, :allow_nil => true, :accept => "1" }
        configuration.update(attr_names.extract_options!)

        db_cols = begin
          column_names
        rescue Exception # To ignore both statement and connection errors
          []
        end
        names = attr_names.reject { |name| db_cols.include?(name.to_s) }
        attr_accessor(*names)

        validates_each(attr_names,configuration) do |record, attr_name, value|
          unless value == configuration[:accept]
            record.errors.add(attr_name, :accepted, :default => configuration[:message]) 
          end
        end
      end