Mercurial > hg > soundsoftware-site

view db/migrate/20090406161854_add_parent_id_to_enumerations.rb @ 1081:b56a4c5afa35 bug_531

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from branch cannam
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Thu, 22 Nov 2012 17:26:15 +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