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https://issues.apache.org/jira/browse/ARROW-16081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joris Van den Bossche updated ARROW-16081:
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Summary: [Python] Incorrect results when reading a buffer of boolean values
(was: Incorrect results when reading a buffer of boolean values)
> [Python] Incorrect results when reading a buffer of boolean values
> ------------------------------------------------------------------
>
> Key: ARROW-16081
> URL: https://issues.apache.org/jira/browse/ARROW-16081
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 7.0.0
> Environment: Ubuntu 20.04, Python 3.8.10, pyarrow==7.0.0
> Reporter: Jonathan Kenyon
> Priority: Major
>
> The following reproducer demonstrates that a buffer of boolean values is not
> correctly recovered when using pyarrow.
> {code:python}
> import pyarrow.parquet as pq
> import pyarrow as pa
> import numpy as np
> if __name__ == "__main__":
> data = np.array([True, False, True, False], dtype=bool)
> length = len(data)
> buf = pa.py_buffer(data)
> array = pa.Array.from_buffers(pa.bool_(), length, [None, buf])
> np.testing.assert_array_equal(data, array.to_numpy(zero_copy_only=False))
> {code}
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