-- SINK  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
    -- INDEX_INSERT_DELETE  |UNPARTITIONED|
      -- ONE_TO_ONE_EXCHANGE  |LOCAL|
        -- STABLE_SORT [$$25(ASC), $$26(ASC), $$27(ASC), $$28(ASC)]  |LOCAL|
          -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
            -- ASSIGN  |UNPARTITIONED|
              -- ASSIGN  |UNPARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                  -- INSERT_DELETE  |PARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |LOCAL|
                      -- STABLE_SORT [$$13(ASC)]  |LOCAL|
                        -- HASH_PARTITION_EXCHANGE [$$13]  |PARTITIONED|
                          -- ASSIGN  |PARTITIONED|
                            -- STREAM_PROJECT  |PARTITIONED|
                              -- ASSIGN  |PARTITIONED|
                                -- ASSIGN  |PARTITIONED|
                                  -- STREAM_SELECT  |PARTITIONED|
                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                      -- DATASOURCE_SCAN  |PARTITIONED|
                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                          -- EMPTY_TUPLE_SOURCE  |PARTITIONED|