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Posted to dev@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/03/12 16:37:00 UTC

[jira] [Created] (ARROW-8090) [C++][Compute] Implement stateful TopK operator node

Wes McKinney created ARROW-8090:
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             Summary: [C++][Compute] Implement stateful TopK operator node
                 Key: ARROW-8090
                 URL: https://issues.apache.org/jira/browse/ARROW-8090
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney


A static kernel for single arrays was implemented in ARROW-7587. We will want to have the ability to compute TopK (and eventually TopK by group) on streaming datasets



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