/**
  * @param DateTimeOfDay $value
  * @param AbstractPlatform $platform
  *
  * @return string
  */
 public function convertToDatabaseValue($value, AbstractPlatform $platform)
 {
     if ($value instanceof DateTimeOfDay) {
         return $value->toDateTime()->format($platform->getDateTimeFormatString());
     }
     return parent::convertToDatabaseValue($value, $platform);
 }