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https://issues.apache.org/jira/browse/SPARK-17655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kent Yao updated SPARK-17655:
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Summary: Remove unused variables declarations and definations in a
WholeStageCodeGened stage (was: [SQL]Remove unused variables declarations and
definations in a WholeStageCodeGened stage)
> Remove unused variables declarations and definations in a WholeStageCodeGened
> stage
> -----------------------------------------------------------------------------------
>
> Key: SPARK-17655
> URL: https://issues.apache.org/jira/browse/SPARK-17655
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Kent Yao
> Priority: Minor
>
> A WholeStageCodeGened stage with multiple CodegenSupport Operators generates
> unused result rows and their associated buffer holders and row writers, which
> can be removed.
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