Nette\Database\Connection::commit PHP Method

    function commit()
    {
        $this->query('::commit');
    }

 /** @return void */
 public function commit()
 {
     if (self::$transactionCounter[$dsn = $this->getDsnKey()] === 0) {
         throw new Exception\InvalidStateException('No transaction started.');
     }
     if (--self::$transactionCounter[$dsn] === 0) {
         $this->connection->commit();
     }
 }