asterixdb/asterix-app/src/test/resources/optimizerts/results/meta/indexes_on_dataset_with_meta_11.plan

-- DISTRIBUTE_RESULT  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ASSIGN  |PARTITIONED|
        -- STREAM_PROJECT  |PARTITIONED|
          -- SORT_MERGE_EXCHANGE [$$33(ASC) ]  |PARTITIONED|
            -- STABLE_SORT [$$33(ASC)]  |PARTITIONED|
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                -- STREAM_PROJECT  |PARTITIONED|
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    -- BTREE_SEARCH (test.DS1.DS1)  |PARTITIONED|
                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                        -- STREAM_PROJECT  |PARTITIONED|
                          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                            -- DATASOURCE_SCAN (test.DS2)  |PARTITIONED|
                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|