view db/migrate/048_allow_null_version_effective_date.rb @ 427:de7c31d4cf9a feature_36

translations
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Wed, 01 Jun 2011 17:25:50 +0100
parents 513646585e45
children
line wrap: on
line source
class AllowNullVersionEffectiveDate < ActiveRecord::Migration
  def self.up
    change_column :versions, :effective_date, :date, :default => nil, :null => true
  end

  def self.down
    raise IrreversibleMigration
  end
end