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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/01/07 14:30:54 UTC

[GitHub] [spark] cloud-fan commented on pull request #35130: [SPARK-37839][SQL] DS V2 supports partial aggregate push-down AVG

cloud-fan commented on pull request #35130:
URL: https://github.com/apache/spark/pull/35130#issuecomment-1007449447


   What's the new algorithm? It's simple before: if agg funcs contain `GeneralAggregateFunc`, don't try partial pushdown. Othwewise, try complete pushdown first, then partial pushdown.


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