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Posted to issues@spark.apache.org by "Ron Hu (JIRA)" <ji...@apache.org> on 2016/08/16 06:38:20 UTC

[jira] [Created] (SPARK-17077) cardinality estimates of group-by, project, union, etc.

Ron Hu created SPARK-17077:
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             Summary: cardinality estimates of group-by, project, union, etc.
                 Key: SPARK-17077
                 URL: https://issues.apache.org/jira/browse/SPARK-17077
             Project: Spark
          Issue Type: Sub-task
          Components: Optimizer
    Affects Versions: 2.0.0
            Reporter: Ron Hu






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