vendor/rails/activerecord/test/migrations/missing/1000_people_have_middle_names.rb

   1 class PeopleHaveMiddleNames < ActiveRecord::Migration
   2   def self.up
   3     add_column "people", "middle_name", :string
   4   end
   5
   6   def self.down
   7     remove_column "people", "middle_name"
   8   end
   9 end