BUG: Fix pyarrow categoricals not working for pivot and multiindex #61193
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…pyarrow dictionary categoricals Relates to pandas-dev#53051 Code for fix taken and adapted from pandas-dev#59099
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| # Ignore deprecation raised by old versions of pyarrow. Already fixed in | ||
| # newer versions | ||
| @pytest.mark.filterwarnings("ignore:Passing a BlockManager:DeprecationWarning") | ||
| def test_pivot_with_pyarrow_categorical(self): |
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Can you create these test without going through parquet?
| @@ -2851,3 +2852,43 @@ def test_pivot_margins_with_none_index(self): | |||
| ), | |||
| ) | |||
| tm.assert_frame_equal(result, expected) | |||
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| # Ignore deprecation raised by old versions of pyarrow. Already fixed in | |||
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| - Bug in :meth:`Series.convert_dtypes` with ``dtype_backend="pyarrow"`` where empty :class:`CategoricalDtype` :class:`Series` raised an error or got converted to ``null[pyarrow]`` (:issue:`59934`) | ||
| - |
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DataFrame.pivotfails withpyarrowbackend if variable is already encoded asdictionary#53051doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Disclaimer
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