class AddPhysicalIdToServerspecSchedule < ActiveRecord::Migration
  def change
    add_column :serverspec_schedules, :physical_id, :string, null: false
  end
end

class AddPhysicalIdToServerspecSchedule < ActiveRecord::Migration
  def change
    add_column :serverspec_schedules, :physical_id, :string
  end
end

Change a NOT NULL column to allow NULL
Change a NOT NULL column to allow NULL
