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https://issues.apache.org/jira/browse/ARROW-12088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-12088.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9812
[https://github.com/apache/arrow/pull/9812]
> [Python][C++] Warning about offsetof in pyarrow.dataset.RecordBatchIterator
> ---------------------------------------------------------------------------
>
> Key: ARROW-12088
> URL: https://issues.apache.org/jira/browse/ARROW-12088
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Antoine Pitrou
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> I just saw the following warning when compiling PyArrow:
> {code}
> /home/antoine/arrow/dev/python/build/temp.linux-x86_64-3.7/_dataset.cpp:46102:151:
> warning: offset of on non-standard-layout type 'struct
> __pyx_obj_7pyarrow_8_dataset_RecordBatchIterator' [-Winvalid-offsetof]
> if (__pyx_type_7pyarrow_8_dataset_RecordBatchIterator.tp_weaklistoffset ==
> 0) __pyx_type_7pyarrow_8_dataset_RecordBatchIterator.tp_weaklistoffset =
> offsetof(struct __pyx_obj_7pyarrow_8_dataset_RecordBatchIterator,
> __pyx_base.__weakref__);
>
> ^
> ~~~~~~~~~~
> /usr/lib/llvm-10/lib/clang/10.0.0/include/stddef.h:104:24: note: expanded
> from macro 'offsetof'
> #define offsetof(t, d) __builtin_offsetof(t, d)
> ^ ~
> 1 warning generated.
> {code}
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