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https://issues.apache.org/jira/browse/ARROW-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659129#comment-17659129
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Rok Mihevc commented on ARROW-2101:
-----------------------------------
This issue has been migrated to [issue
#18074|https://github.com/apache/arrow/issues/18074] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [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: Joshua Storck
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> 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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