[jira] [Created] (HAWQ-1612) implement some vectorized aggregate functions

[zhangshujie (JIRA)]

zhangshujie created HAWQ-1612:
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             Summary: implement  some vectorized aggregate functions
                 Key: HAWQ-1612
                 URL: https://issues.apache.org/jira/browse/HAWQ-1612
             Project: Apache HAWQ
          Issue Type: Sub-task
          Components: Query Execution
            Reporter: zhangshujie
            Assignee: Lei Chang


Implement some vectorized aggregate functions, such as sum/count/avg...



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