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Posted to dev@arrow.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2019/03/03 12:04:00 UTC

[jira] [Created] (ARROW-4746) [C++/Python] PyDataTime_Date wrongly casted to PyDataTime_DateTime

Uwe L. Korn created ARROW-4746:
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             Summary: [C++/Python] PyDataTime_Date wrongly casted to PyDataTime_DateTime
                 Key: ARROW-4746
                 URL: https://issues.apache.org/jira/browse/ARROW-4746
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++, Python
            Reporter: Uwe L. Korn


As mentioned in https://bitbucket.org/pypy/pypy/issues/2842/running-pyarrow-on-pypy-segfaults#comment-50670536, we currently access a {{PyDataTime_Date}} object with a {{PyDataTime_DateTime}} cast in {{PyDateTime_DATE_GET_SECOND}} in our code in two instances. While CPython is able to deal with this wrong usage, PyPy is not able to do so. We should separate the path here into one that deals with dates and another that deals with datetimes.

Reproducible code:
{code:java}
pa.array([datetime.date(2018, 5, 10)], type=pa.date64()){code}



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