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Posted to dev@arrow.apache.org by "Ravil Bikbulatov (Jira)" <ji...@apache.org> on 2020/04/20 19:01:00 UTC

[jira] [Created] (ARROW-8532) [C++][CSV] Add support for sentinel values.

Ravil Bikbulatov created ARROW-8532:
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             Summary: [C++][CSV] Add support for sentinel values.
                 Key: ARROW-8532
                 URL: https://issues.apache.org/jira/browse/ARROW-8532
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Ravil Bikbulatov


Some systems still use sentinel values to store nulls. It would be good if read_csv would place sentinel values and user wouldn't need to convet null bitmaps to sentinel values.

Adding this support doesn't contradict Arrow specification as null values are undefined. Also it wouldn't add any overhead to read_csv. Since Arrow is general purpose framework I think we can relieve users from pain of converting bitmats to sentinel values.



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