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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/04/29 16:33:06 UTC

[jira] [Assigned] (SPARK-7235) Refactor the GroupingSet implementation

     [ https://issues.apache.org/jira/browse/SPARK-7235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-7235:
-----------------------------------

    Assignee: Apache Spark

> Refactor the GroupingSet implementation
> ---------------------------------------
>
>                 Key: SPARK-7235
>                 URL: https://issues.apache.org/jira/browse/SPARK-7235
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Cheng Hao
>            Assignee: Apache Spark
>
> The logical plan `Expand` takes the `output` as constructor argument, which break the references chain for logical plan optimization. We need to refactor the code.



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