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https://issues.apache.org/jira/browse/SPARK-34702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-34702:
-----------------------------------

    Assignee: Cheng Su

> Avoid unnecessary code generation in JoinCodegenSupport.genBuildSideVars
> ------------------------------------------------------------------------
>
>                 Key: SPARK-34702
>                 URL: https://issues.apache.org/jira/browse/SPARK-34702
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Cheng Su
>            Assignee: Cheng Su
>            Priority: Trivial
>
> As a followup from code review in 
> [https://github.com/apache/spark/pull/31736#discussion_r588134104] , for 
> `JoinCodegenSupport.genBuildSideVars`, we only need to generate build side 
> variables with default values for LEFT OUTER and RIGHT OUTER join, but not 
> for other join types (i.e. LEFT SEMI and LEFT ANTI). Create this Jira to 
> followup clean up the code.



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