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view db/migrate/104_add_projects_lft_and_rgt.rb @ 535:dd9d9c0ff0f9 feature_36

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created the helpers to display correctly the My Publications Authors and Projects.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 26 Jul 2011 18:25:14 +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