Mercurial > hg > soundsoftware-site

view db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 247:73ff0e6a11b1 cannam

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* Merge from branch cannam-pre-20110113-merge
author Chris Cannam
date Thu, 03 Mar 2011 12:11:53 +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