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https://issues.apache.org/jira/browse/SPARK-32730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-32730.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 29572
[https://github.com/apache/spark/pull/29572]
> Improve LeftSemi SortMergeJoin right side buffering
> ---------------------------------------------------
>
> Key: SPARK-32730
> URL: https://issues.apache.org/jira/browse/SPARK-32730
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Peter Toth
> Assignee: Peter Toth
> Priority: Minor
> Fix For: 3.1.0
>
>
> LeftSemi SortMergeJoin should not buffer all matching right side rows when
> bound condition is empty.
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