001_create_orders.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 18 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class CreateOrders < ActiveRecord::Migration
  def self.up
    create_table :orders, :force => true do |t|
      t.column :user_id, :integer
    end
    3.times {|user| 4.times { Order.create(:user_id => user + 1) } }
  end

  def self.down
    drop_table :orders
  end
end