Supports over window on both limited and timed window in SparkProcessor

[yunfengzhou-hub]

over_window_utils.py:

def _get_spark_window_spec(
    over_window_descriptor: "OverWindowDescriptor",
) -> WindowSpec:
    if (
        over_window_descriptor.limit is not None
        and over_window_descriptor.window_size is not None
    ):
        # TODO Supports aggregations on both limited and timed window
        raise FeathubException(
            "You cannot set window_size and limit of over window at the same time."
        )

test_spark_processor.py

    # TODO: Add back following test cases after SparkProcessor supports aggregations
    #  on both limited and timed window
    def test_over_window_on_join_field(self):
        pass