view db/migrate/048_allow_null_version_effective_date.rb @ 74:11328a082ef3 luisf

Feature #47: added a description.
Feature #49: Turned autocomplete on in the Parent Task field. This should be thorouglly tested.

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