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https://issues.apache.org/jira/browse/SPARK-38624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-38624:
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Assignee: Apache Spark
> Reduce UnsafeProjection.create call times when Percentile function serializes
> the aggregation buffer object
> -----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-38624
> URL: https://issues.apache.org/jira/browse/SPARK-38624
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.8, 3.2.1
> Reporter: w l
> Assignee: Apache Spark
> Priority: Major
> Fix For: 3.4.0
>
>
> Percentile serialize method does not need to call UnsafeProjection.create
> every time.
> UnsafeProjection can be a field.
>
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