asterix-app/src/test/resources/optimizerts/results/rtree-secondary-index-open.plan

-- SINK_WRITE  |PARTITIONED|
  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ASSIGN  |PARTITIONED|
        -- STREAM_PROJECT  |PARTITIONED|
          -- STREAM_SELECT  |PARTITIONED|
            -- STREAM_PROJECT  |PARTITIONED|
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                -- BTREE_SEARCH  |PARTITIONED|
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    -- STABLE_SORT [$$22(ASC)]  |PARTITIONED|
                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                        -- STREAM_PROJECT  |PARTITIONED|
                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                            -- RTREE_SEARCH  |PARTITIONED|
                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                -- ASSIGN  |PARTITIONED|
                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|