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https://issues.apache.org/jira/browse/ARROW-1628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-1628:
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Summary: [Python] Incorrect serialization of numpy datetimes. (was:
Incorrect pyarrow serialization of numpy datetimes.)
> [Python] Incorrect serialization of numpy datetimes.
> ----------------------------------------------------
>
> Key: ARROW-1628
> URL: https://issues.apache.org/jira/browse/ARROW-1628
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Robert Nishihara
> Fix For: 0.8.0
>
>
> See https://github.com/ray-project/ray/issues/1041.
> The issue can be reproduced as follows.
> {code}
> import pyarrow as pa
> import numpy as np
> t = np.datetime64(datetime.datetime.now())
> print(type(t), t) # <class 'numpy.datetime64'> 2017-09-30T09:50:46.089952
> t_new = pa.deserialize(pa.serialize(t).to_buffer())
> print(type(t_new), t_new) # <class 'int'> 0
> {code}
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