-- SINK_WRITE  |PARTITIONED|
  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ASSIGN  |PARTITIONED|
        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
          -- UNION_ALL  |PARTITIONED|
            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
              -- STREAM_PROJECT  |LOCAL|
                -- STREAM_SELECT  |LOCAL|
                  -- ASSIGN  |PARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                      -- BTREE_SEARCH  |PARTITIONED|
                        -- ONE_TO_ONE_EXCHANGE  |LOCAL|
                          -- STABLE_SORT [$$21(ASC)]  |LOCAL|
                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                              -- INVERTED_INDEX_SEARCH  |PARTITIONED|
                                -- BROADCAST_EXCHANGE  |PARTITIONED|
                                  -- STREAM_SELECT  |LOCAL|
                                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                      -- SPLIT  |PARTITIONED|
                                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                          -- ASSIGN  |PARTITIONED|
                                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                              -- DATASOURCE_SCAN  |PARTITIONED|
                                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
              -- NESTED_LOOP  |PARTITIONED|
                -- BROADCAST_EXCHANGE  |PARTITIONED|
                  -- ASSIGN  |UNPARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                      -- DATASOURCE_SCAN  |UNPARTITIONED|
                        -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
                          -- EMPTY_TUPLE_SOURCE  |UNPARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |LOCAL|
                  -- STREAM_SELECT  |LOCAL|
                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                      -- SPLIT  |PARTITIONED|
                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                          -- ASSIGN  |PARTITIONED|
                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                              -- DATASOURCE_SCAN  |PARTITIONED|
                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|