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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2021/09/01 17:46:00 UTC

[jira] [Created] (ARROW-13849) [C++] Add min and max aggregation functions

Neal Richardson created ARROW-13849:
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             Summary: [C++] Add min and max aggregation functions
                 Key: ARROW-13849
                 URL: https://issues.apache.org/jira/browse/ARROW-13849
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Neal Richardson
             Fix For: 6.0.0


We have min_max but that returns a struct array. At some point we will want compute kernels that we can call in a ProjectNode that will allow us to get at struct array elements, but for now it would be nice to have (hash_)min and max that just give the scalar we want.



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