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https://issues.apache.org/jira/browse/SPARK-13376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin reopened SPARK-13376:
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> Improve column pruning
> ----------------------
>
> Key: SPARK-13376
> URL: https://issues.apache.org/jira/browse/SPARK-13376
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Davies Liu
> Assignee: Davies Liu
>
> Column pruning could help to skip to columns that are not used by any
> following operators.
> The current implementation only work with a few of logical plans, we should
> improve that to support all of them.
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