asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan

-- DISTRIBUTE_RESULT  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- STREAM_SELECT  |PARTITIONED|
        -- STREAM_PROJECT  |PARTITIONED|
          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
            -- BTREE_SEARCH  |PARTITIONED|
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                -- ASSIGN  |PARTITIONED|
                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|