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view db/migrate/104_add_projects_lft_and_rgt.rb @ 432:db5df568a7cf live

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Refer to MATLAB docs as well as C++/Java
author Chris Cannam
date Sun, 05 Jun 2011 10:29:26 +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