+++ /dev/null
-class Tariff < ActiveRecord::Base
- set_primary_keys [:tariff_id, :start_date]
- has_many :product_tariffs, :foreign_key => [:tariff_id, :tariff_start_date]
- has_one :product_tariff, :foreign_key => [:tariff_id, :tariff_start_date]
- has_many :products, :through => :product_tariffs, :foreign_key => [:tariff_id, :tariff_start_date]
-end