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Posted to dev@arrow.apache.org by "Igor Yastrebov (JIRA)" <ji...@apache.org> on 2019/08/13 16:02:00 UTC

[jira] [Created] (ARROW-6227) [Python] pyarrow.array() shouldn't coerce np.nan to string

Igor Yastrebov created ARROW-6227:
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             Summary: [Python] pyarrow.array() shouldn't coerce np.nan to string
                 Key: ARROW-6227
                 URL: https://issues.apache.org/jira/browse/ARROW-6227
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 0.14.1
            Reporter: Igor Yastrebov


pa.array() by default regards np.nan as float value and fails on pa.array([np.nan, 'string']). It should also fail on pa.array(['string', np.nan]) instead of coercing it to null value.



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