view db/migrate/104_add_projects_lft_and_rgt.rb @ 471:49fb7a9ef79c feature_36

Using Authorships instead of Authors in the new/show actions of the publication controller.

class AddProjectsLftAndRgt < ActiveRecord::Migration
  def self.up
    add_column :projects, :lft, :integer
    add_column :projects, :rgt, :integer
  end

  def self.down
    remove_column :projects, :lft
    remove_column :projects, :rgt
  end
end