view db/migrate/048_allow_null_version_effective_date.rb @ 302:6508e99869a2 feature_115

Add a note explaining that the repo is external (if relevant) and giving its URL (do we want this?)

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