andygrove opened a new issue, #2720:
URL: https://github.com/apache/datafusion-comet/issues/2720
### Describe the bug
I saw this in Spark SQL tests with
`spark.comet.sparkToColumnar.enabled=true`.
```
2025-11-06T19:59:48.4097661Z [info] - sorting on TimestampType with
nullable=true, sortOrder=List('a ASC NULLS FIRST) *** FAILED *** (72
milliseconds)
2025-11-06T19:59:48.4100453Z [info] Exception thrown while executing Spark
plan to calculate expected answer:
2025-11-06T19:59:48.4101154Z [info] !ReferenceSort ['a ASC NULLS FIRST],
true
2025-11-06T19:59:48.4101660Z [info] +- Scan ExistingRDD[a#316981]
2025-11-06T19:59:48.4102044Z [info]
2025-11-06T19:59:48.4102324Z [info] == Exception ==
2025-11-06T19:59:48.4104862Z [info] org.apache.spark.SparkException: Job
aborted due to stage failure: Task 1 in stage 1190.0 failed 1 times, most
recent failure: Lost task 1.0 in stage 1190.0 (TID 3180) (d295a5912a94 executor
driver): org.apache.comet.CometNativeException: Fail to process Arrow array
with reason: Invalid argument error: RowConverter column schema mismatch,
expected Timestamp(Microsecond, Some("America/Los_Angeles")) got
Timestamp(Microsecond, Some("UTC")).
```
### Steps to reproduce
_No response_
### Expected behavior
_No response_
### Additional context
_No response_
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