view db/migrate/048_allow_null_version_effective_date.rb @ 19:56fdca7d85a5 yuya

* Stylesheet updates to try to make the theme less overwhelming and a bit clearer

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