class PopulateData < ActiveRecord::Migration def self.up p1 = Product.create(:title => "Programming Ruby, 2nd Edition", :price => 44.95, :image_location => "images/ruby.png"); p2 = Product.create(:title => "Pragmatic Project Automation", :price => 29.95, :image_location => "images/auto.jpg"); o1 = Order.create(:name => "Dave Thomas", :email => "dave@example.com"); LineItem.create(:product_id => p1.id, :order_id => o1.id, :quantity => 1, :unit_price => p1.price) LineItem.create(:product_id => p2.id, :order_id => o1.id, :quantity => 1, :unit_price => p1.price) end def self.down LineItem.delete_all Order.delete_all Product.delete_all end end