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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/12/14 14:42:21 UTC

[GitHub] [arrow] jorisvandenbossche commented on pull request #8887: ARROW-10863: [Python] Fix ExtensionArray.to_pandas to use underlying storage array

jorisvandenbossche commented on pull request #8887:
URL: https://github.com/apache/arrow/pull/8887#issuecomment-744485688


   It does not yet roundtrip faithfully (it comes back as object array with dicts, as its storage type is a StructArray), because we currently only support pandas' extension types in the Table.to_pandas conversion, and not yet in the Array/ChunkedArray to_pandas conversions (eg partly covered by https://issues.apache.org/jira/browse/ARROW-9664).
   
   We are testing specific pandas dtypes in `test_pandas.py`, but so only for table.


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