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https://issues.apache.org/jira/browse/SPARK-9336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-9336.
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Resolution: Fixed
Fix Version/s: 1.5.0
> Remove all extra JoinedRows
> ---------------------------
>
> Key: SPARK-9336
> URL: https://issues.apache.org/jira/browse/SPARK-9336
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Reynold Xin
> Fix For: 1.5.0
>
>
> They were added to improve performance (so JIT can inline the JoinedRow
> calls). However, we can also just improve it by projecting output out to
> UnsafeRow in Tungsten variant of the operators.
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