private function commitAll()
    {
        while ($this->transactionNestingLevel !== 0) {
            if ($this->autoCommit === false && $this->transactionNestingLevel === 1) {
                // When in no auto-commit mode, the last nesting commit immediately starts a new transaction.
                // Therefore we need to do the final commit here and then leave to avoid an infinite loop.
                $this->commit();

                return;
            }

            $this->commit();
        }
    }