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view db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 673:0f98ea9bf5fe feature_36

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Transplant fix for #289 from live
author Chris Cannam
date Fri, 09 Sep 2011 21:30:38 +0100
parents 513646585e45
children
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class AddParentIdToEnumerations < ActiveRecord::Migration
  def self.up
    add_column :enumerations, :parent_id, :integer, :null => true, :default => nil
  end

  def self.down
    remove_column :enumerations, :parent_id
  end
end