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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/03/26 23:34:27 UTC
[GitHub] [spark] rxin commented on issue #24215: [SPARK-27229][SQL] GroupBy
Placement in Intersect Distinct
rxin commented on issue #24215: [SPARK-27229][SQL] GroupBy Placement in Intersect Distinct
URL: https://github.com/apache/spark/pull/24215#issuecomment-476895292
Could this lead to performance regressions if the group by doesn't have reduction?
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