-- DISTRIBUTE_RESULT |PARTITIONED| | |
-- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
-- STREAM_PROJECT |PARTITIONED| | |
-- RANGE_PARTITION_MERGE_EXCHANGE [$$3(DESC)] SPLIT COUNT:3 |PARTITIONED| | |
-- STABLE_SORT [$$3(DESC)] |PARTITIONED| | |
-- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
-- DATASOURCE_SCAN |PARTITIONED| | |
-- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
-- EMPTY_TUPLE_SOURCE |PARTITIONED| |