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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