andygrove opened a new issue, #1994:
URL: https://github.com/apache/datafusion-comet/issues/1994
### What is the problem the feature request solves?
I was experimenting with some benchmarking and noticed that we do not yet
have a native version of `SortAggregateExec`. This resulted in poor performance
due to `CometColumnarToRow` being inserted into the plan.
```
Execute InsertIntoHadoopFsRelationCommand [COMET: Execute
InsertIntoHadoopFsRelationCommand is not supported]
+- WriteFiles [COMET: WriteFiles is not supported]
+- Window [COMET: Partitioning and sorting specifications must be the
same.]
+- CometSort
+- AQEShuffleRead
+- CometSinkPlaceHolder
+- CometColumnarExchange
+- SortAggregate [COMET: SortAggregate is not supported]
+- CometColumnarToRow
+- CometSort
+- AQEShuffleRead
+- CometColumnarExchange
+- SortAggregate [COMET: SortAggregate is
not supported]
+- CometColumnarToRow
+- CometSort
+- CometScan parquet
```
### Describe the potential solution
We should see what is involved in implementing `SortAggregateExec` natively.
### Additional context
_No response_
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