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Fix error pyarrow functionality Categorical Categorical Data Type
value_counts result with pyarrow categorical columns Arrow BUG: value_counts() check Index with PyArrow categorical columns Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Arrow pyarrow functionality Bug Categorical Categorical Data Type Stale
#60569 by meryadri was closed Jan 27, 2025 Loading… updated Jan 27, 2025
3 of 5 tasks
PERF: Avoid a numpy array copy in ArrowExtensionArray._to_datetimearray Arrow pyarrow functionality Performance Memory or execution speed performance
ENH: Implement cum* methods for PyArrow strings Arrow pyarrow functionality Enhancement Strings String extension data type and string data Transformations e.g. cumsum, diff, rank
Update PyArrow conversion and arrow/parquet tests for pyarrow 19.0 Arrow pyarrow functionality Compat pandas objects compatability with Numpy or Python functions IO Parquet parquet, feather
[ENH]: Expand types allowed in Series.struct.field Arrow pyarrow functionality Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
Backport PR #60544 on branch 2.3.x (CI/TST: Use tm.external_error_raised for test_from_arrow_respecting_given_dtype_unsafe) Arrow pyarrow functionality Testing pandas testing functions or related to the test suite
REF: centralize pyarrow Table to pandas conversions and types_mapper handling Arrow pyarrow functionality
TST: Add test for pyarrow functionality IO CSV read_csv, to_csv Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
pd.read_csv date parsing not working with dtype_backend="pyarrow" and missing values Arrow ENH (string dtype): convert string_view columns to future string dtype instead of object dtype in Parquet/Feather IO Arrow pyarrow functionality IO Parquet parquet, feather Strings String extension data type and string data
Backport PR #60241 on branch 2.3.x (TST (string dtype): resolve xfail in arrow interface tests) Arrow pyarrow functionality Strings String extension data type and string data
TST (string dtype): resolve xfail in arrow interface tests Arrow pyarrow functionality Strings String extension data type and string data
ENH (string dtype): accept string_view in addition to string/large_string for ArrowStringArray input Arrow pyarrow functionality Strings String extension data type and string data
Backport PR #60222 on branch 2.3.x (ENH (string dtype): accept string_view in addition to string/large_string for ArrowStringArray input) Arrow pyarrow functionality Strings String extension data type and string data
BUG (string): ArrowEA comparisons with mismatched types Arrow pyarrow functionality backported Numeric Operations Arithmetic, Comparison, and Logical operations
BUG/API (string dtype): return float dtype for series[str].rank() Arrow pyarrow functionality backported Strings String extension data type and string data Transformations e.g. cumsum, diff, rank
REF (string): de-duplicate ArrowStringArray methods Arrow pyarrow functionality backported Refactor Internal refactoring of code Strings String extension data type and string data
String dtype: avoid surfacing pyarrow exception in binary operations Arrow pyarrow functionality backported Error Reporting Incorrect or improved errors from pandas Strings String extension data type and string data
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