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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2016/04/01 22:10:25 UTC

[jira] [Resolved] (SPARK-14191) Fix Expand operator constraints

     [ https://issues.apache.org/jira/browse/SPARK-14191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust resolved SPARK-14191.
--------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Issue resolved by pull request 11995
[https://github.com/apache/spark/pull/11995]

> Fix Expand operator constraints
> -------------------------------
>
>                 Key: SPARK-14191
>                 URL: https://issues.apache.org/jira/browse/SPARK-14191
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>             Fix For: 2.0.0
>
>
> Expand operator now uses its child plan's constraints as its valid constraints (i.e., the base of constraints). This is not correct because Expand will set its group by attributes to null values. So the nullability of these attributes should be true.



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