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view db/migrate/104_add_projects_lft_and_rgt.rb @ 480:19efecf4561a feature_36

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new controller logic.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Thu, 30 Jun 2011 18:19:52 +0100
parents 513646585e45
children
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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