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https://issues.apache.org/jira/browse/SPARK-32751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17187446#comment-17187446
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Cheng Su commented on SPARK-32751:
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Just FYI - will raise a PR in next couple of weeks. Thanks.
> Add code-gen for ObjectHashAggregateExec
> ----------------------------------------
>
> Key: SPARK-32751
> URL: https://issues.apache.org/jira/browse/SPARK-32751
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Cheng Su
> Priority: Minor
>
> Object hash aggregate is useful when aggregate function is not supported by
> hash aggregate, and hash aggregate has codegen long time ago. Do not see a
> strong reason why we don't have object hash aggregate. Create this Jira to
> add codegen for object hash aggregate for better CPU execution performance.
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