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https://issues.apache.org/jira/browse/SPARK-11117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davies Liu resolved SPARK-11117.
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Resolution: Fixed
Fix Version/s: 1.6.0
Issue resolved by pull request 9305
[https://github.com/apache/spark/pull/9305]
> PhysicalRDD.outputsUnsafeRows should return true when the underlying data
> source produces UnsafeRows
> ----------------------------------------------------------------------------------------------------
>
> Key: SPARK-11117
> URL: https://issues.apache.org/jira/browse/SPARK-11117
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.5.1
> Reporter: Cheng Lian
> Assignee: Cheng Lian
> Fix For: 1.6.0
>
>
> {{PhysicalRDD}} doesn't override {{SparkPlan.outputsUnsafeRows}}, and thus
> can't avoid {{ConvertToUnsafe}} when upper level operators only support
> {{UnsafeRow}} even if the underlying data source produces {{UnsafeRow}}.
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