Daniel Nugent created ARROW-8070:
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Summary: [Python] Casting Segfault
Key: ARROW-8070
URL: https://issues.apache.org/jira/browse/ARROW-8070
Project: Apache Arrow
Issue Type: Bug
Reporter: Daniel Nugent
Was messing around with some nested arrays and found a pretty easy to reproduce
segfault:
{code:java}
Python 3.7.6 | packaged by conda-forge | (default, Jan 7 2020, 22:33:48)
[GCC 7.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy as np, pyarrow as pa
>>> pa.__version__
'0.16.0'
>>> np.__version__
'1.18.1'
>>> x=[np.array([b'a',b'b'])]
>>> a = pa.array(x,pa.list_(pa.binary()))
>>> a
<pyarrow.lib.ListArray object at 0x7fd948b108a0>
[
[
61,
62
]
]
>>> a.cast(pa.string())
Segmentation fault
{code}
I don't know if that cast makes sense, but I left the checks on, so I would not
expect a segfault from it.
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