Nette\Database\Connection::getPdo PHP Метод

    public function getPdo()
    {
        $this->connect();
        return $this->pdo;
    }

 public function __construct(Connection $connection, $queryString, array $params)
 {
     $time = microtime(TRUE);
     $this->connection = $connection;
     $this->supplementalDriver = $connection->getSupplementalDriver();
     $this->queryString = $queryString;
     $this->params = $params;
     try {
         if (substr($queryString, 0, 2) === '::') {
             $connection->getPdo()->{substr($queryString, 2)}();
         } elseif ($queryString !== NULL) {
             static $types = ['boolean' => PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT, 'resource' => PDO::PARAM_LOB, 'NULL' => PDO::PARAM_NULL];
             $this->pdoStatement = $connection->getPdo()->prepare($queryString);
             foreach ($params as $key => $value) {
                 $type = gettype($value);
                 $this->pdoStatement->bindValue(is_int($key) ? $key + 1 : $key, $value, isset($types[$type]) ? $types[$type] : PDO::PARAM_STR);
             }
             $this->pdoStatement->setFetchMode(PDO::FETCH_ASSOC);
             $this->pdoStatement->execute();
         }
     } catch (\PDOException $e) {
         $e = $this->supplementalDriver->convertException($e);
         $e->queryString = $queryString;
         throw $e;
     }
     $this->time = microtime(TRUE) - $time;
 }