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https://issues.apache.org/jira/browse/ARROW-2391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430775#comment-16430775
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ASF GitHub Bot commented on ARROW-2391:
---------------------------------------

pitrou commented on issue #1859: ARROW-2391: [C++/Python] Segmentation fault 
from PyArrow when mapping Pandas datetime column to pyarrow.date64
URL: https://github.com/apache/arrow/pull/1859#issuecomment-379803722
 
 
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> [Python] Segmentation fault from PyArrow when mapping Pandas datetime column 
> to pyarrow.date64
> ----------------------------------------------------------------------------------------------
>
>                 Key: ARROW-2391
>                 URL: https://issues.apache.org/jira/browse/ARROW-2391
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.9.0
>         Environment: Mac OS High Sierra
> Python 3.6
>            Reporter: Dave Challis
>            Priority: Major
>              Labels: pull-request-available
>
> When trying to call `pyarrow.Table.from_pandas` with a `pandas.DataFrame` and 
> a `pyarrow.Schema` provided, the function call results in a segmentation 
> fault if Pandas `datetime64[ns]` column tries to be converted to a 
> `pyarrow.date64` type.
> A minimal example which shows this is:
> {code:python}
> import pandas as pd
> import pyarrow as pa
> df = pd.DataFrame({'created': ['2018-05-10T10:24:01']})
> df['created'] = pd.to_datetime(df['created'])}}
> schema = pa.schema([pa.field('created', pa.date64())])
> pa.Table.from_pandas(df, schema=schema)
> {code}
> Executing the above causes the python interpreter to exit with "Segmentation 
> fault: 11".
> Attempting to convert into various other datatypes (by specifying different 
> schemas) either succeeds, or raises an exception if the conversion is invalid.



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