view db/migrate/.svn/text-base/20090406161854_add_parent_id_to_enumerations.rb.svn-base @ 755:bde9c5bfb559 feature_14

created a new instance variable to be able to filter the projects: @filtered_projects. New projects index layout; new partials for projects index.

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