juliuszsompolski commented on a change in pull request #29572:
URL: https://github.com/apache/spark/pull/29572#discussion_r486490381
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
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@@ -251,7 +251,8 @@ case class SortMergeJoinExec(
RowIterator.fromScala(rightIter),
inMemoryThreshold,
spillThreshold,
- cleanupResources
+ cleanupResources,
+ condition.isEmpty
Review comment:
Thanks @peter-toth !
I think this could be also added to LeftAnti join, which is also only
interested in the existence of a match and doesn't need to buffer them.
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