004_create_boxes.rb 262 Bytes
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class CreateBoxes < ActiveRecord::Migration
  def self.up
    create_table :boxes do |t|
      t.column :number,     :integer
      t.column :owner_type, :string
      t.column :owner_id,   :integer
    end
  end

  def self.down
    drop_table :boxes
  end
end