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Issues list

BUG: groupby.agg with UDF changing pyarrow dtypes Bug Groupby pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result Stale
#59601 opened Aug 25, 2024 by rhshadrach Loading…
5 tasks
3.0
1
3
BUG: isna on pyarrow backed Series is returning Series with bool dtype instead of bool[pyarrow] Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Needs Discussion Requires discussion from core team before further action pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#59431 opened Aug 6, 2024 by thesword53
2 of 3 tasks
1
9
What's the design decision regarding whether operations can return another backend's object? Arrow pyarrow functionality Dtype Conversions Unexpected or buggy dtype conversions NA - MaskedArrays Related to pd.NA and nullable extension arrays pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result Usage Question
#58312 opened Apr 18, 2024 by anmyachev
2
BUG: pyarrow dictionary type ordered argument not respected Arrow pyarrow functionality Bug pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result Upstream issue Issue related to pandas dependency
#58152 opened Apr 4, 2024 by WillAyd
3 tasks done
2
BUG: KeyError: DictionaryType when converting to/from PyArrow backend Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Needs Discussion Requires discussion from core team before further action pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#57395 opened Feb 13, 2024 by ajfriend
2 of 3 tasks
7
BUG: Assignment of pyarrow arrays yields unexpected dtypes Arrow pyarrow functionality Bug Indexing Related to indexing on series/frames, not to indexes themselves pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#56994 opened Jan 21, 2024 by WillAyd
3 tasks done
1
@droussea2001
21
BUG: groupby.var() does not return arrow types with arrow backed series as input. Arrow pyarrow functionality Bug Groupby pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#54627 opened Aug 18, 2023 by wirable23
2 of 3 tasks
2
3
BUG: Groupby-aggregate on a boolean column returns a different datatype with pyarrow than with numpy Apply Apply, Aggregate, Transform, Map Arrow pyarrow functionality Bug Groupby pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#53030 opened May 2, 2023 by brian-recurve
2 of 3 tasks
3
8
BUG: DataFrame.rank does not return EA types when original type was an EADtype Bug Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result Reduction Operations sum, mean, min, max, etc.
#52829 opened Apr 21, 2023 by tinadu0806
3 tasks done
4
BUG (2.0rc0): groupby apply with a UDF changes dtype unexpectedly from double[pyarrow] to float64 Apply Apply, Aggregate, Transform, Map Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#51991 opened Mar 15, 2023 by dylan-lee94
2 of 3 tasks
2
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