/**
  * @param ProxyQueryInterface $queryBuilder
  *
  * @return string
  */
 protected function getNewParameterName(ProxyQueryInterface $queryBuilder)
 {
     // dots are not accepted in a DQL identifier so replace them
     // by underscores.
     return str_replace('.', '_', $this->getName()) . '_' . $queryBuilder->getUniqueParameterId();
 }