annotate db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 302:6508e99869a2 feature_115

Add a note explaining that the repo is external (if relevant) and giving its URL (do we want this?)

class AddParentIdToEnumerations < ActiveRecord::Migration
  def self.up
    add_column :enumerations, :parent_id, :integer, :null => true, :default => nil
  end

  def self.down
    remove_column :enumerations, :parent_id
  end
end