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https://issues.apache.org/jira/browse/ARROW-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16436491#comment-16436491
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ASF GitHub Bot commented on ARROW-2101:
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BryanCutler commented on issue #1886: Bug fix for ARROW-2101
URL: https://github.com/apache/arrow/pull/1886#issuecomment-380977087
Thanks for the PR @joshuastorck ! Could you please update the title to
start with "ARROW-2101: [Python] ..." and make it and the description a little
more informative rather than just referencing the JIRA? Also, in the future,
could you assign or make a comment in the JIRA that you are working on it to
let people know and prevent duplicate efforts?
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> [Python] from_pandas reads 'str' type as binary Arrow data with Python 2
> ------------------------------------------------------------------------
>
> Key: ARROW-2101
> URL: https://issues.apache.org/jira/browse/ARROW-2101
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.8.0
> Reporter: Bryan Cutler
> Assignee: Bryan Cutler
> Priority: Major
> Labels: pull-request-available
>
> Using Python 2, converting Pandas with 'str' data to Arrow results in Arrow
> data of binary type, even if the user supplies type information. conversion
> of 'unicode' type works to create Arrow data of string types. For example
> {code}
> In [25]: pa.Array.from_pandas(pd.Series(['a'])).type
> Out[25]: DataType(binary)
> In [26]: pa.Array.from_pandas(pd.Series(['a']), type=pa.string()).type
> Out[26]: DataType(binary)
> In [27]: pa.Array.from_pandas(pd.Series([u'a'])).type
> Out[27]: DataType(string)
> {code}
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