[ARROW-1997] [Python] to_pandas with strings_to_categorical fails

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17980
• Assignee: Licht Takeuchi
• Reporter: Licht Takeuchi
• Created: 15/Jan/18 16:40
• Updated: 11/Jan/23 07:18
• Resolved: 23/Jan/18 13:53

Description

Repro code.

Seems that unexpected deallocation occured.

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)

Issue Links

• links to: GitHub Pull Request #1480