| write [%0->$$2] | |
| -- SINK_WRITE |PARTITIONED| | |
| exchange | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| data-scan [$$2]<-[$$1, $$2] <- default.src | |
| -- DATASOURCE_SCAN |PARTITIONED| | |
| exchange | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| empty-tuple-source | |
| -- EMPTY_TUPLE_SOURCE |PARTITIONED| |