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https://issues.apache.org/jira/browse/ARROW-16048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-16048.
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Fix Version/s: 8.0.0
Resolution: Fixed
Issue resolved by pull request 12752
[https://github.com/apache/arrow/pull/12752]
> [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: Antoine Pitrou
> Priority: Minor
> Labels: pull-request-available
> Fix For: 8.0.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> 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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