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https://issues.apache.org/jira/browse/SPARK-13544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-13544:
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Assignee: Xiao Li
> Rewrite/Propagate constraints for Aliases in Aggregate
> ------------------------------------------------------
>
> Key: SPARK-13544
> URL: https://issues.apache.org/jira/browse/SPARK-13544
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
> Assignee: Xiao Li
> Fix For: 2.0.0
>
>
> After plan analysis by Analyzer, two operators could have alias. They are
> Project and Aggregate. So far, only Alias defined in Project will rewrite and
> propagate constraints.
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