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Posted to dev@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2020/06/08 16:00:00 UTC

[jira] [Created] (ARROW-9070) [C++] StructScalar needs field accessor methods

Neal Richardson created ARROW-9070:
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             Summary: [C++] StructScalar needs field accessor methods
                 Key: ARROW-9070
                 URL: https://issues.apache.org/jira/browse/ARROW-9070
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Neal Richardson
             Fix For: 1.0.0


The minmax compute function returns a struct with fields "min" and "max". So to write an R binding for the {{min()}} method on arrow objects, I call "minmax" and then take the "min" field from the result. However, at least from my reading of scalar.h compared with array_nested.h, there are no field/GetFieldByName/etc. methods for StructScalar, so I can't get it.



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