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https://issues.apache.org/jira/browse/SPARK-31897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124603#comment-17124603
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Apache Spark commented on SPARK-31897:
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User 'karuppayya' has created a pull request for this issue:
https://github.com/apache/spark/pull/28715
> Enable codegen for GenerateExec
> -------------------------------
>
> Key: SPARK-31897
> URL: https://issues.apache.org/jira/browse/SPARK-31897
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Karuppayya
> Priority: Major
>
> Codegen had been disabled as part of
> [https://github.com/apache/spark/commit/b5c5bd98ea5e8dbfebcf86c5459bdf765f5ceb53]
> There has been lots of improvements in the Generate code flow, after it had
> been disabled.(https://issues.apache.org/jira/browse/SPARK-21657)
> Related discussion:
>
> [http://apache-spark-developers-list.1001551.n3.nabble.com/GenerateExec-CodegenSupport-and-supportCodegen-flag-off-td22984.html]
> I tried enabling codegen and found query very perform with explode kind of
> operations.
> Can we enable codegen by default for GenerateExec?
>
>
>
>
>
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