[jira] [Created] (ARROW-13613) [C++] Implement sum/mean aggregations over decimals

[David Li (Jira)]

David Li created ARROW-13613:
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             Summary: [C++] Implement sum/mean aggregations over decimals
                 Key: ARROW-13613
                 URL: https://issues.apache.org/jira/browse/ARROW-13613
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: David Li
            Assignee: David Li
             Fix For: 6.0.0


For both scalar and hash aggregates.



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