klew

If I have models:

class Phone < ActiveRecord::Base
  belongs_to :phonable, :polymorphic => true
end

class Person < ActiveRecord::Base
  has_many :phones, :as ...

I use Rails 2.2.2 with sqlite3 3.5.6 under Vista.

Firstly I created a table without id, but later I found it wasn't good idea and I wanted to add id column with...