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https://issues.apache.org/jira/browse/ARROW-1997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329279#comment-16329279
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ASF GitHub Bot commented on ARROW-1997:
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xhochy commented on issue #1480: ARROW-1997: [C++/Python] Ignore
zero-copy-option in to_pandas when `strings_to_categorical` is True
URL: https://github.com/apache/arrow/pull/1480#issuecomment-358417487
@Licht-T The code looks good but I fail to understand the initial problem
and thus cannot really understand what the change should actually do. Can you
explain it a bit more?
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> [Python] to_pandas with strings_to_categorical fails
> ----------------------------------------------------
>
> Key: ARROW-1997
> URL: https://issues.apache.org/jira/browse/ARROW-1997
> Project: Apache Arrow
> Issue Type: Bug
> Reporter: Licht Takeuchi
> Assignee: Licht Takeuchi
> Priority: Major
> Labels: pull-request-available
>
> Repro code.
> Seems that unexpected deallocation occured.
> {code:java}
> import pandas as pd
> import pyarrow as pa
> df = pd.DataFrame({
> 'Foo': ['A', 'A', 'B', 'B']
> })
> table = pa.Table.from_pandas(df)
> df = table.to_pandas(strings_to_categorical=True)
> {code}
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