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Posted to issues@spark.apache.org by "Cheng Hao (JIRA)" <ji...@apache.org> on 2015/04/29 16:30:06 UTC

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

Cheng Hao created SPARK-7235:
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             Summary: 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


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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