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view db/migrate/104_add_projects_lft_and_rgt.rb @ 1192:3c9ca27c2d3d feature_564

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Add approximate back-of-envelope calculation of project maturity
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Tue, 22 Jan 2013 16:51:56 +0000
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