[jira] [Created] (ARROW-2040) [Python] pyarrow.read_serialized returns bogus data

["Richard Shin (JIRA)" <ji...@apache.org>]

Richard Shin created ARROW-2040:
-----------------------------------

             Summary: [Python] pyarrow.read_serialized returns bogus data
                 Key: ARROW-2040
                 URL: https://issues.apache.org/jira/browse/ARROW-2040
             Project: Apache Arrow
          Issue Type: Bug
    Affects Versions: 0.8.0
            Reporter: Richard Shin


pyarrow.deserialize works fine, however.

{{Python 2.7.12 (default, Nov 20 2017, 18:23:56)}}
{{[GCC 5.4.0 20160609] on linux2}}
{{Type "help", "copyright", "credits" or "license" for more information.}}
{{>>> import pyarrow as pa, numpy as np}}
{{>>> with open('test.pyarrow', 'w') as f:}}
{{... f.write(pa.serialize(np.arange(10, dtype=np.int32)).to_buffer().to_pybytes())}}
{{...}}
{{>>> pa.read_serialized(pa.OSFile('test.pyarrow')).deserialize()}}
{{array([54846320, 0, 45484448, 0, 4, 5,}}
{{ 6, 7, 8, 9], dtype=int32)}}
{{>>> pa.deserialize(pa.frombuffer(open('test.pyarrow').read()))}}
{{array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], dtype=int32)}}



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