dongjoon-hyun commented on issue #24327: [SPARK-27418][SQL] Migrate Parquet to File Data Source V2 URL: https://github.com/apache/spark/pull/24327#issuecomment-497968708 @gengliangwang . That's the same with my understanding. The current DSv2 design and the current Parquet implementation of this PR shows that limitation. That's the reason why I'm not sure about this approach; compute twice in the different ways.
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