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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/08/02 00:50:13 UTC
[GitHub] [spark] leanken commented on a change in pull request #29304: [SPARK-32494][SQL] Null Aware Anti Join Optimize Support Multi-Column
leanken commented on a change in pull request #29304:
URL: https://github.com/apache/spark/pull/29304#discussion_r464015628
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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala
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@@ -393,33 +395,42 @@ object PhysicalWindow {
object ExtractSingleColumnNullAwareAntiJoin extends JoinSelectionHelper with PredicateHelper {
Review comment:
how about ExtractNullAwareAntiJoinKeys
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