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Posted to jira@arrow.apache.org by "Alexander (Jira)" <ji...@apache.org> on 2021/09/10 02:10:00 UTC

[jira] [Created] (ARROW-13969) [C++][Compute] Implement SelectKStable

Alexander created ARROW-13969:
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             Summary: [C++][Compute] Implement SelectKStable
                 Key: ARROW-13969
                 URL: https://issues.apache.org/jira/browse/ARROW-13969
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Alexander
            Assignee: Alexander
             Fix For: 6.0.0


PR [https://github.com/apache/arrow/pull/11019] implements SelectKUnstable.

 

Some previous result of SelectKUnstable using StableHeap is shown here: [https://github.com/apache/arrow/pull/11019#issuecomment-913977337] 

 

So, implementation of SelectKStable   should explore how to implement this algorithm using StablePartition + stable_sorting.



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