[jira] [Created] (HIVE-10650) Improve sum() function over windowing

[Aihua Xu (JIRA)]

Aihua Xu created HIVE-10650:
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             Summary: Improve sum() function over windowing 
                 Key: HIVE-10650
                 URL: https://issues.apache.org/jira/browse/HIVE-10650
             Project: Hive
          Issue Type: Sub-task
          Components: PTF-Windowing
            Reporter: Aihua Xu






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