view db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 1540:322d7b57e5f0 live

Making this work through the api is too complicated for now; this will do OK
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Tue, 02 Jun 2015 10:58:31 +0100
parents 513646585e45
children
line wrap: on
line source
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