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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/04/06 13:56:20 UTC

[GitHub] [spark] cloud-fan commented on pull request #32049: [SPARK-34952][SQL] Aggregate (Min/Max/Count) push down for Parquet

cloud-fan commented on pull request #32049:
URL: https://github.com/apache/spark/pull/32049#issuecomment-814141388


   @huaxingao Can you briefly introduce the new aggregate pushdown framework? How do we push down aggregate through different operators and eventually hit the scan node? Do we support both partial+final and global aggregate?


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