componentowl-rails-archive/db/migrate/20100630072113_add_location_to_subscription.rb

class AddLocationToSubscription < ActiveRecord::Migration
  def self.up
    add_column :subscriptions, :subscription_location_id, :integer, :references => :newsletter_allowed_values
  end

  def self.down
    remove_column :subscriptions, :subscription_location_id 
  end
end