(cls, connection: Connection)
Perform the actual rollback operation.
Perform the actual rollback operation.
Perform the actual rollback operation .
def _rollback_handle(cls, connection: Connection) -> None:
        """Perform the actual rollback operation."""
        try:
            connection.handle.rollback()
        except Exception:
            fire_event(RollbackFailed(conn_name=connection.name))
def _rollback_handle ( cls , connection : Connection ) -> None : try : connection . handle . rollback ( ) except Exception : fire_event ( RollbackFailed ( conn_name = connection . name ) )