asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan

-- SINK_WRITE  |PARTITIONED|
  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ASSIGN  |PARTITIONED|
        -- STREAM_SELECT  |PARTITIONED|
          -- STREAM_PROJECT  |PARTITIONED|
            -- ASSIGN  |PARTITIONED|
              -- STREAM_PROJECT  |PARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                  -- BTREE_SEARCH  |PARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                      -- STABLE_SORT [$$13(ASC)]  |PARTITIONED|
                        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                          -- STREAM_PROJECT  |PARTITIONED|
                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                              -- BTREE_SEARCH  |PARTITIONED|
                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                  -- ASSIGN  |PARTITIONED|
                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|