[
https://issues.apache.org/jira/browse/ARROW-10192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Krisztian Szucs resolved ARROW-10192.
-------------------------------------
Resolution: Fixed
Issue resolved by pull request 8361
[https://github.com/apache/arrow/pull/8361]
> [C++][Python] Segfault when converting nested struct array with dictionary
> field to pandas series
> -------------------------------------------------------------------------------------------------
>
> Key: ARROW-10192
> URL: https://issues.apache.org/jira/browse/ARROW-10192
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Reporter: Krisztian Szucs
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Reproducer:
> {code:python}
> def test_struct_array_with_dictionary_field_to_pandas():
> ty = pa.struct([
> pa.field('dict', pa.dictionary(pa.int64(), pa.int32())),
> ])
> data = [
> {'dict': -1859762450}
> ]
> arr = pa.array(data, type=ty)
> arr.to_pandas()
> {code}
> Raises SIGSTOP:
> {code}
> * thread #1, stop reason = signal SIGSTOP
> * frame #0: 0x00007fff6e2b733a libsystem_kernel.dylib`__pthread_kill + 10
> frame #1: 0x00007fff6e373e60 libsystem_pthread.dylib`pthread_kill + 430
> frame #2: 0x00007fff6e1ce93e libsystem_c.dylib`raise + 26
> frame #3: 0x00007fff6e3685fd libsystem_platform.dylib`_sigtramp + 29
> frame #4: 0x000000011517adfd
> libarrow_python.200.0.0.dylib`arrow::py::ConvertStruct(options=0x00007f84fc5a0230,
> data=0x00007f84fc59ef18, out_values=0x00007f84fc53d140) at
> arrow_to_pandas.cc:685:54
> frame #5: 0x000000011514c642
> libarrow_python.200.0.0.dylib`arrow::py::ObjectWriterVisitor::Visit(this=0x00007ffee06a1a88,
> type=0x00007f84fc5a00e8) at arrow_to_pandas.cc:1031:12
> frame #6: 0x00000001151499c4 libarrow_python.200.0.0.dylib`arrow::Status
> arrow::VisitTypeInline<arrow::py::ObjectWriterVisitor>(type=0x00007f84fc5a00e8,
> visitor=0x00007ffee06a1a88) at visitor_inline.h:88:5
> frame #7: 0x0000000115149305
> libarrow_python.200.0.0.dylib`arrow::py::ObjectWriter::CopyInto(this=0x00007f84fc5a0228,
> data=std::__1::shared_ptr<arrow::ChunkedArray>::element_type @
> 0x00007f84fc59ef18 strong=2 weak=1, rel_placement=0) at arrow_to_pand
> as.cc:1055:12
> {code}
> {code:cpp}
> frame #4: 0x000000011517adfd
> libarrow_python.200.0.0.dylib`arrow::py::ConvertStruct(options=0x00007f84fc5a0230,
> data=0x00007f84fc59ef18, out_values=0x00007f84fc53d140) at
> arrow_to_pandas.cc:685:54
> 682 if (!arr->field(static_cast<int>(field_idx))->IsNull(i)) {
> 683 // Value exists in child array, obtain it
> 684 auto array =
> reinterpret_cast<PyArrayObject*>(fields_data[field_idx].obj());
> -> 685 auto ptr = reinterpret_cast<const
> char*>(PyArray_GETPTR1(array, i));
> 686 field_value.reset(PyArray_GETITEM(array, ptr));
> 687 RETURN_IF_PYERROR();
> 688 } else {
> {code}
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