| -- DISTRIBUTE_RESULT |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- STREAM_PROJECT |PARTITIONED| | |
| -- SORT_MERGE_EXCHANGE [$$16(ASC) ] |PARTITIONED| | |
| -- STABLE_SORT [$$16(ASC)] |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- STREAM_SELECT |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- DATASOURCE_SCAN (test.DBLP) |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- EMPTY_TUPLE_SOURCE |PARTITIONED| |