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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/04/02 17:40:25 UTC

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

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

Sean Owen updated SPARK-14191:
------------------------------
    Assignee: Liang-Chi Hsieh

> 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
>            Assignee: 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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