| -- SINK_WRITE |PARTITIONED| | |
| -- SORT_MERGE_EXCHANGE [$$1(ASC) ] |PARTITIONED| | |
| -- STREAM_PROJECT |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- PRE_CLUSTERED_GROUP_BY[$$6] |PARTITIONED| | |
| { | |
| -- AGGREGATE |LOCAL| | |
| -- NESTED_TUPLE_SOURCE |LOCAL| | |
| } | |
| -- ONE_TO_ONE_EXCHANGE |LOCAL| | |
| -- STABLE_SORT [$$6(ASC)] |LOCAL| | |
| -- HASH_PARTITION_EXCHANGE [$$6] |PARTITIONED| | |
| -- STREAM_PROJECT |PARTITIONED| | |
| -- ASSIGN |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- DATASOURCE_SCAN |PARTITIONED| | |
| -- ONE_TO_ONE_EXCHANGE |PARTITIONED| | |
| -- EMPTY_TUPLE_SOURCE |PARTITIONED| |