db/migrate/20090202160745_add_price_to_product.rb

   1 class AddPriceToProduct < ActiveRecord::Migration
   2   def self.up
   3     add_column :products, :price, :decimal,
   4       :precision => 8, :scale => 2, :default => 0
   5   end
   6
   7   def self.down
   8     remove_column :products, :price
   9   end
  10 end