attributes_methods_patch.rb

ActiveRecord::AttributeMethods.class_eval do #:nodoc:

  def method_missing(method_id, *args, &block)
    method_name = method_id.to_s

    if self.class.private_method_defined?(method_name)
      raise NoMethodError.new("Attempt to call private method", method_name, args)
    end

    # If we haven't generated any methods yet, generate them, then
    # see if we've created the method we're looking for.
    if !self.class.generated_methods?
      self.class.define_attribute_methods
      if self.class.generated_methods.include?(method_name)
        return self.send(method_id, *args, &block)
      end
    end

    if self.class.primary_key.to_s == method_name                 
      read_attribute('id')  #this is the line changed
    elsif md = self.class.match_attribute_method?(method_name)
      attribute_name, method_type = md.pre_match, md.to_s
      if @attributes.include?(attribute_name)
        __send__("attribute#{method_type}", attribute_name, *args, &block)
      else
        super
      end
    elsif @attributes.include?(method_name)
      read_attribute(method_name)
    else
      super
    end
  end
    
end