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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/11/23 15:12:36 UTC

[GitHub] [spark] cloud-fan commented on pull request #34642: [SPARK-37369][SQL] Avoid redundant ColumnarToRow transistion on InMemoryTableScan

cloud-fan commented on pull request #34642:
URL: https://github.com/apache/spark/pull/34642#issuecomment-976690695


   I'm trying to understand the motivation. Is it because in-memory table can output rows efficiently? Parquet scan can also output rows but we try our best to output columnar batches.


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