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view db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 1371:a8d468e143f7 bibliography_testing

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Started adding a few real test cases.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Thu, 22 Aug 2013 11:44:31 +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