[jira] [Created] (ARROW-13220) [C++] Add a 'choose' kernel/scalar compute function

[David Li (Jira)]

David Li created ARROW-13220:
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             Summary: [C++] Add a 'choose' kernel/scalar compute function
                 Key: ARROW-13220
                 URL: https://issues.apache.org/jira/browse/ARROW-13220
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: David Li


Emulate SQL's choose or (a very limited subset of) NumPy's choose.



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