Execute a runt lift function.

        Args:
            full (str): Property to lift by.
            valu:
            cmpr:

        Returns:
            bytes, list: Yields bytes, list tuples where the list contains a series of
                key/value pairs which are used to construct a Node object.

async def runRuntLift(self, full, valu=None, cmpr=None):
        '''
        Execute a runt lift function.

        Args:
            full (str): Property to lift by.
            valu:
            cmpr:

        Returns:
            bytes, list: Yields bytes, list tuples where the list contains a series of
                key/value pairs which are used to construct a Node object.

        '''
        func = self._runtLiftFuncs.get(full)
        if func is None:
            raise s_exc.NoSuchLift(mesg='No runt lift implemented for requested property.',
                                   full=full, valu=valu, cmpr=cmpr)

        async for buid, rows in func(full, valu, cmpr):
            yield buid, rows