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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/04/19 04:38:07 UTC

[GitHub] [spark] lxian commented on pull request #31998: [SPARK-34859][SQL] parquet vectorized reader - support column index with rowIndexes

lxian commented on pull request #31998:
URL: https://github.com/apache/spark/pull/31998#issuecomment-822159976


   https://gist.github.com/lxian/bba60a0460a74d3427994ce0d60d4c79 I've run a benchmark on tpcds with scale 10 and the impact of column index looks subtle.


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