[jira] [Created] (ARROW-13389) [C++] Add CMake option ARROW_DEPENDENCY_SOURCE=VCPKGAdd option to is_nan kernel to return true on null

Mon, 19 Jul 2021 13:19:28 -0700 

Ian Cook created ARROW-13389:
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             Summary: [C++] Add CMake option ARROW_DEPENDENCY_SOURCE=VCPKGAdd 
option to is_nan kernel to return true on null
                 Key: ARROW-13389
                 URL: https://issues.apache.org/jira/browse/ARROW-13389
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Ian Cook


Currently the {{coalesce}} kernel treats {{NaN}} as a non-null value. Consider 
adding a boolean option to this kernel that could be used to make it treat 
{{NaN}} values the same as null values. This would allow the code added in 
ARROW-13201 to be much simplified.



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