luis@328: class CreateAuthors < ActiveRecord::Migration
luis@328:   def self.up
luis@328:     create_table :authors do |t|
luis@328:       t.column :user_id, :integer
luis@406:       t.column :name, :string
luis@328:     end
luis@328:   end
luis@328: 
luis@328:   def self.down
luis@328:     drop_table :authors
luis@328:   end
luis@328: end