viirya opened a new issue, #6226:
URL: https://github.com/apache/arrow-rs/issues/6226
**Describe the bug**
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Comet encountered some errors on Spark test like following. It is because
DataFusion SortExec calls `lexsort_to_indices` and the function fallbacks to
`sort_to_indices` for single column case. However, `sort_to_indices` doesn't
support all data types, e.g., struct. For unsupported data types,
`lexsort_to_indices` should not fallback to `sort_to_indices`.
```
[info] - vectorized reader: struct *** FAILED *** (515 milliseconds)
[info] org.apache.spark.SparkException: Job aborted due to stage failure:
Task 0 in stage 644.0 failed 1 times, most recent failure: Lost task 0.0 in
stage 644.0 (TID 862) (192.168.86.44 executor driver): org.apache.comet.CometNa
tiveException: Compute error: Sort not supported for data type Struct([Field
{ name: "_1", data_type: Int32, nullable: true, dict_id: 0, dict_is_ordered:
false, metadata: {} }, Field { name: "_2", data_type: Utf8, nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: {} }])
```
**To Reproduce**
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**Expected behavior**
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**Additional context**
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