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https://issues.apache.org/jira/browse/SPARK-13351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13351:
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Assignee: Apache Spark (was: Davies Liu)
> Column pruning fails on expand
> ------------------------------
>
> Key: SPARK-13351
> URL: https://issues.apache.org/jira/browse/SPARK-13351
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Davies Liu
> Assignee: Apache Spark
>
> Optimizer can't pruning the columns in Expand.
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