/**
  * Run the migrations.
  */
 public function up()
 {
     Schema::create('lds_status', function (Blueprint $table) {
         $table->increments('id');
         $table->char('value', GedcomSpecification::LENGTH_LDS_XXXX_DATE_STATUS)->unique();
         $table->boolean('standard')->default(false);
     });
     DB::transaction(function () {
         LdsStatus::unguard();
         foreach ($this->data as $datum) {
             LdsStatus::create($datum);
         }
         LdsStatus::reguard();
     });
 }