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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/04/12 18:52:25 UTC

[jira] [Commented] (SPARK-14562) Improve constraints propagation in Union

    [ https://issues.apache.org/jira/browse/SPARK-14562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15237528#comment-15237528 ] 

Apache Spark commented on SPARK-14562:
--------------------------------------

User 'davies' has created a pull request for this issue:
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
>
> 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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