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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/03/28 11:12:25 UTC

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

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

Apache Spark reassigned SPARK-14191:
------------------------------------

    Assignee:     (was: Apache Spark)

> 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
>
> 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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