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view db/migrate/.svn/text-base/20090406161854_add_parent_id_to_enumerations.rb.svn-base @ 143:0460c75392bc luisf

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development commit: terms and conditions
author luisf
date Fri, 21 Jan 2011 14:31:29 +0000
parents 513646585e45
children
line wrap: on
line source
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