Cheng Su created SPARK-34702:
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Summary: Avoid unnecessary code generation in
JoinCodegenSupport.genBuildSideVars
Key: SPARK-34702
URL: https://issues.apache.org/jira/browse/SPARK-34702
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.2.0
Reporter: Cheng Su
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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