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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2016/04/12 21:30:25 UTC
[jira] [Resolved] (SPARK-14562) Improve constraints propagation in
Union
[ https://issues.apache.org/jira/browse/SPARK-14562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu resolved SPARK-14562.
--------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 12328
[https://github.com/apache/spark/pull/12328]
> Improve constraints propagation in Union
> ----------------------------------------
>
> Key: SPARK-14562
> URL: https://issues.apache.org/jira/browse/SPARK-14562
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Davies Liu
> Assignee: Davies Liu
> Fix For: 2.0.0
>
>
> Currently, Union only takes intersect of the constraints from it's children, all others are dropped, we should try to merge them together.
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