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https://issues.apache.org/jira/browse/ARROW-15291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alenka Frim reassigned ARROW-15291:
-----------------------------------
Assignee: Alenka Frim
> [C++][Python] Segfault in StructArray.to_numpy and to_pandas if it contains
> an ExtensionArray
> ---------------------------------------------------------------------------------------------
>
> Key: ARROW-15291
> URL: https://issues.apache.org/jira/browse/ARROW-15291
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 6.0.1
> Environment: pyarrow 6.0.1, macbook pro
> Reporter: quentin lhoest
> Assignee: Alenka Frim
> Priority: Major
>
> Hi !
> If you create a StructArray with an ExtensionArray in it, then both to_numpy
> and to_pandas segfault in python:
> {code:java}
> import pyarrow as pa
> class CustomType(pa.PyExtensionType):
> def __init__(self):
> pa.PyExtensionType.__init__(self, pa.binary())
> def __reduce__(self):
> return CustomType, ()
> arr = pa.ExtensionArray.from_storage(CustomType(), pa.array([b"foo"]))
> pa.StructArray.from_arrays([arr], ["name"]).to_numpy(zero_copy_only=False)
> {code}
> Thanks in advance for the help !
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