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https://issues.apache.org/jira/browse/SPARK-8829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin updated SPARK-8829:
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Issue Type: Umbrella (was: Improvement)
> Improve expression performance
> ------------------------------
>
> Key: SPARK-8829
> URL: https://issues.apache.org/jira/browse/SPARK-8829
> Project: Spark
> Issue Type: Umbrella
> Components: SQL
> Reporter: Reynold Xin
>
> This is an umbrella ticket for various improvements to DataFrame and SQL
> expression performance.
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