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https://issues.apache.org/jira/browse/SPARK-13466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davies Liu updated SPARK-13466:
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Assignee: Liang-Chi Hsieh
> Don't introduce redundant project with colum pruning rule
> ---------------------------------------------------------
>
> Key: SPARK-13466
> URL: https://issues.apache.org/jira/browse/SPARK-13466
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Fix For: 2.0.0
>
>
> With column pruning rule in optimizer, we will introduce redundant project
> for some cases. We should prevent it.
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