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https://issues.apache.org/jira/browse/ARROW-2040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned ARROW-2040:
-----------------------------------
Assignee: Wes McKinney
> [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
> Assignee: Wes McKinney
> Priority: Major
> Fix For: 0.9.0
>
>
> 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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