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Posted to jira@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2022/03/28 16:30:00 UTC

[jira] [Created] (ARROW-16048) [PyArrow] Null buffers with Pickle protocol.

Micah Kornfield created ARROW-16048:
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             Summary: [PyArrow] Null buffers with Pickle protocol.
                 Key: ARROW-16048
                 URL: https://issues.apache.org/jira/browse/ARROW-16048
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
            Reporter: Micah Kornfield
            Assignee: Micah Kornfield


When underlying buffers are null they populate the buffer protocol ".buf" value with a null value.  In some cases this can violate contracts [asserted in cpython|https://github.com/python/cpython/blob/882d8096c262a5945e0cfdd706e5db3ad2b73543/Modules/_pickle.c#L1072].  It might be best to always return an empty non-null buffer when the underlying buffer is null.



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