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Posted to jira@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/09/18 17:45:00 UTC

[jira] [Created] (ARROW-14035) [C++][Compute] Implement non-hash count_distinct aggregate kernel

Ian Cook created ARROW-14035:
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             Summary: [C++][Compute] Implement non-hash count_distinct aggregate kernel
                 Key: ARROW-14035
                 URL: https://issues.apache.org/jira/browse/ARROW-14035
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Ian Cook
             Fix For: 6.0.0


ARROW-12728 added a {{hash_count_distinct}} hash aggregate kernel, but there is no non-hash {{count_distinct}} aggregate kernel.



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