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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/03/20 05:26:17 UTC
[GitHub] [spark] cloud-fan commented on issue #27958: [SPARK-31192][SQL]
Introduce PushProjectThroughLimit
cloud-fan commented on issue #27958: [SPARK-31192][SQL] Introduce PushProjectThroughLimit
URL: https://github.com/apache/spark/pull/27958#issuecomment-601543386
Can you put an example in the PR description that a query can avoid a shuffle by keeping the limit node at top via this patch?
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