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https://issues.apache.org/jira/browse/SPARK-37803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-37803.
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Fix Version/s: 3.3.0
Resolution: Fixed
Issue resolved by pull request 35100
[https://github.com/apache/spark/pull/35100]
> When deserializing an Orc struct, reuse the result row when possible
> --------------------------------------------------------------------
>
> Key: SPARK-37803
> URL: https://issues.apache.org/jira/browse/SPARK-37803
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Bruce Robbins
> Assignee: Bruce Robbins
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: master_results.txt, pr_results.txt
>
>
> For each Orc struct, the Orc deserializer creates a new result row object.
> There are cases where the Orc deserializer can reuse the result row object,
> resulting in performance gains.
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