/**
  * Gets the named native query.
  *
  * @see ClassMetadataInfo::$namedNativeQueries
  * @throws  MappingException
  * @param   string $queryName The query name
  * @return  array
  */
 public function getNamedNativeQuery($queryName)
 {
     if (!isset($this->namedNativeQueries[$queryName])) {
         throw MappingException::queryNotFound($this->name, $queryName);
     }
     return $this->namedNativeQueries[$queryName];
 }