-- DISTRIBUTE_RESULT  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ASSIGN  |PARTITIONED|
        -- SORT_MERGE_EXCHANGE [$#2(ASC) ]  |PARTITIONED|
          -- STABLE_SORT [$#2(ASC)]  |PARTITIONED|
            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
              -- ASSIGN  |PARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                  -- NESTED_LOOP  |PARTITIONED|
                    -- RANDOM_PARTITION_EXCHANGE  |PARTITIONED|
                      -- STREAM_PROJECT  |PARTITIONED|
                        -- STREAM_SELECT  |PARTITIONED|
                          -- RUNNING_AGGREGATE  |PARTITIONED|
                            -- STREAM_PROJECT  |PARTITIONED|
                              -- ASSIGN  |PARTITIONED|
                                -- SORT_MERGE_EXCHANGE [$$92(ASC) ]  |PARTITIONED|
                                  -- STABLE_SORT [$$92(ASC)]  |PARTITIONED|
                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                      -- STREAM_PROJECT  |PARTITIONED|
                                        -- ASSIGN  |PARTITIONED|
                                          -- STREAM_PROJECT  |PARTITIONED|
                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                              -- REPLICATE  |PARTITIONED|
                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                  -- DATASOURCE_SCAN  |PARTITIONED|
                                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
                    -- BROADCAST_EXCHANGE  |PARTITIONED|
                      -- AGGREGATE  |UNPARTITIONED|
                        -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
                          -- AGGREGATE  |PARTITIONED|
                            -- STREAM_PROJECT  |PARTITIONED|
                              -- ASSIGN  |PARTITIONED|
                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                  -- REPLICATE  |PARTITIONED|
                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                      -- DATASOURCE_SCAN  |PARTITIONED|
                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|