parthchandra commented on PR #3272:
URL: 
https://github.com/apache/datafusion-comet/pull/3272#issuecomment-3813453142

   There is probably a simpler way to do this - 
   For V1 we choose either `BatchReader` (native_comet) or `NativeBAtchReader` 
(native_iceberg_compat) when we build a partition reader in 
`CometParquetFileFormat.CometParquetFileFormat`  
https://github.com/apache/datafusion-comet/blob/62e8c2a79e4c7b6e443ed948c06fa35ce5cc8ac1/spark/src/main/scala/org/apache/comet/parquet/CometParquetFileFormat.scala#L139
   The same logic can be applied for V2 in 
`CometParquetPartitionReaderFactory.buildCometReader` where we are always 
creating a `BatchReader` 
https://github.com/apache/datafusion-comet/blob/62e8c2a79e4c7b6e443ed948c06fa35ce5cc8ac1/spark/src/main/scala/org/apache/comet/parquet/CometParquetPartitionReaderFactory.scala#L130


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