rollback method

@override Future<void> rollback()

Rollback the transaction

Implementation

@override
Future<void> rollback() async {
  _checkActive();

  try {
    await _connection.execute('ROLLBACK');
    _isRolledBack = true;
    _isActive = false;
  } catch (e) {
    throw AdapterError(
      'Failed to rollback transaction: ${e.toString()}',
      originalError: e,
    );
  } finally {
    final release = _release;
    if (release != null && !release.isCompleted) release.complete();
  }
}