asterixdb/asterix-app/src/test/resources/optimizerts/results/select-self-join.plan

-- DISTRIBUTE_RESULT  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    -- STREAM_PROJECT  |PARTITIONED|
      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
        -- HYBRID_HASH_JOIN [$$11][$$12]  |PARTITIONED|
          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
            -- DATASOURCE_SCAN  |PARTITIONED|
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
            -- STREAM_PROJECT  |PARTITIONED|
              -- STREAM_SELECT  |PARTITIONED|
                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                  -- DATASOURCE_SCAN  |PARTITIONED|
                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                      -- EMPTY_TUPLE_SOURCE  |PARTITIONED|