Iskander14yo commented on issue #2035:
URL: 
https://github.com/apache/datafusion-comet/issues/2035#issuecomment-3101264542

   > I did not see this message when I reproduced the error.
   
   You can run `./benchmark.sh` (to make it faster, remove all queries from 
`queries.sql` except the one that fails). The full logs will be saved in 
`log.txt`, where you should see output like:
   ```
   25/07/22 09:19:14 WARN QueryPlanSerde: Comet native execution is disabled 
due to: unsupported Spark partitioning: ArrayBuffer(PageViews#425L DESC NULLS 
LAST)
   25/07/22 09:19:15 WARN CometExecRule: Comet cannot execute some parts of 
this plan natively (set spark.comet.explainFallback.enabled=false to disable 
this logging):
   CollectLimit
   +- Project
      +-  GlobalLimit [COMET: GlobalLimit is not supported]
         +- CometSinkPlaceHolder
            +- CometExchange
               +- CometSort
                  +- CometSinkPlaceHolder
                     +- CometColumnarExchange   <----- unsupported Spark 
partitioning*
                        +- CometHashAggregate
                           +- CometSinkPlaceHolder
                              +- CometExchange
                                 +- CometHashAggregate
                                    +- CometProject
                                       +- CometFilter
                                          +- CometScanWrapper
   ```


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