-- SINK  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
    -- INDEX_INSERT_DELETE  |UNPARTITIONED|
      -- ONE_TO_ONE_EXCHANGE  |LOCAL|
        -- STABLE_SORT [$$11(ASC)]  |LOCAL|
          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
            -- ASSIGN  |UNPARTITIONED|
              -- STREAM_PROJECT  |UNPARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                  -- INDEX_INSERT_DELETE  |UNPARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
                      -- STABLE_SORT [$$10(ASC)]  |LOCAL|
                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                          -- ASSIGN  |UNPARTITIONED|
                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                              -- INSERT_DELETE  |PARTITIONED|
                                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
                                  -- STABLE_SORT [$$6(ASC)]  |LOCAL|
                                    -- HASH_PARTITION_EXCHANGE [$$6]  |PARTITIONED|
                                      -- ASSIGN  |PARTITIONED|
                                        -- STREAM_PROJECT  |PARTITIONED|
                                          -- ASSIGN  |PARTITIONED|
                                            -- ASSIGN  |PARTITIONED|
                                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                -- DATASOURCE_SCAN  |PARTITIONED|
                                                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|