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

-- DISTRIBUTE_RESULT  |PARTITIONED|
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    -- ASSIGN  |PARTITIONED|
      -- STREAM_PROJECT  |PARTITIONED|
        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
          -- NESTED_LOOP  |PARTITIONED|
            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
              -- ASSIGN  |PARTITIONED|
                -- STREAM_PROJECT  |PARTITIONED|
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    -- DATASOURCE_SCAN (test.Bar)  |PARTITIONED|
                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
            -- BROADCAST_EXCHANGE  |PARTITIONED|
              -- ASSIGN  |UNPARTITIONED|
                -- AGGREGATE  |UNPARTITIONED|
                  -- AGGREGATE  |UNPARTITIONED|
                    -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
                      -- AGGREGATE  |PARTITIONED|
                        -- ASSIGN  |PARTITIONED|
                          -- STREAM_PROJECT  |PARTITIONED|
                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                              -- DATASOURCE_SCAN (test.Foo)  |PARTITIONED|
                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                                  -- EMPTY_TUPLE_SOURCE  |PARTITIONED|