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https://issues.apache.org/jira/browse/SPARK-34781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-34781.
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Fix Version/s: 3.2.0
Assignee: Cheng Su
Resolution: Fixed
Resolved by https://github.com/apache/spark/pull/31873
> Eliminate LEFT SEMI/ANTI join to its left child side with AQE
> -------------------------------------------------------------
>
> Key: SPARK-34781
> URL: https://issues.apache.org/jira/browse/SPARK-34781
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Cheng Su
> Assignee: Cheng Su
> Priority: Trivial
> Fix For: 3.2.0
>
>
> In `EliminateJoinToEmptyRelation.scala`, we can extend it to cover more cases
> for LEFT SEMI and LEFT ANI joins:
> # Join is left semi join, join right side is non-empty and condition is
> empty. Eliminate join to its left side.
> # Join is left anti join, join right side is empty. Eliminate join to its
> left side.
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