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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