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view db/migrate/.svn/text-base/20090406161854_add_parent_id_to_enumerations.rb.svn-base @ 31:d0edd5f981fd live

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* Merge from cannam branch
author Chris Cannam
date Fri, 01 Oct 2010 15:34:36 +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