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Pull requests list

Fix arrow groupby na Arrow pyarrow functionality
#60777 by asharmalik19 was merged Feb 24, 2025 Loading… updated Feb 25, 2025
4 of 5 tasks
3.0
Fix error value_counts result with pyarrow categorical columns Arrow pyarrow functionality Categorical Categorical Data Type
#60949 by chilin0525 was merged Feb 19, 2025 Loading… updated Feb 19, 2025
5 tasks done
3.0
TST: Add missing skips for unavailable pyarrow Arrow pyarrow functionality Stale Testing pandas testing functions or related to the test suite
#57397 by QuLogic was closed Feb 10, 2025 Loading… updated Feb 10, 2025
3 tasks done
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
#60778 by mroeschke was merged Jan 24, 2025 Loading… updated Jan 24, 2025 3.0
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
#60633 by rhshadrach was merged Jan 13, 2025 Loading… updated Jan 22, 2025
5 tasks
2.3
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
#60716 by jorisvandenbossche was merged Jan 22, 2025 Loading… updated Jan 22, 2025 2.3
[ENH]: Expand types allowed in Series.struct.field Arrow pyarrow functionality Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
#56167 by TomAugspurger was merged Jan 2, 2024 Loading… updated Jan 14, 2025
3 tasks done
2.2
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
#60545 by meeseeksmachine was merged Dec 11, 2024 Loading… updated Dec 11, 2024 2.3
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
#60544 by mroeschke was merged Dec 11, 2024 Loading… updated Dec 11, 2024 2.3
BUG: Fix ListAccessor methods to preserve original name Arrow pyarrow functionality Series Series data structure
#60527 by FBruzzesi was merged Dec 9, 2024 Loading… updated Dec 9, 2024
4 of 5 tasks
3.0
BUG: fix NameError raised when specifying dtype with string having "[pyarrow]" while PyArrow is not installed Arrow pyarrow functionality
#60413 by yuanx749 was merged Nov 27, 2024 Loading… updated Nov 28, 2024
4 of 5 tasks
3.0
REF: centralize pyarrow Table to pandas conversions and types_mapper handling Arrow pyarrow functionality
#60324 by jorisvandenbossche was merged Nov 15, 2024 Loading… updated Nov 15, 2024 2.3
TST: Add test for pd.read_csv date parsing not working with dtype_backend="pyarrow" and missing values Arrow 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
#60286 by KevsterAmp was merged Nov 15, 2024 Loading… updated Nov 15, 2024
3 of 5 tasks
3.0
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
#60235 by jorisvandenbossche was merged Nov 11, 2024 Loading… updated Nov 12, 2024 2.3
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
#60248 by meeseeksmachine was merged Nov 8, 2024 Loading… updated Nov 8, 2024 2.3
TST (string dtype): resolve xfail in arrow interface tests Arrow pyarrow functionality Strings String extension data type and string data
#60241 by jorisvandenbossche was merged Nov 8, 2024 Loading… updated Nov 8, 2024 2.3
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
#60222 by jorisvandenbossche was merged Nov 6, 2024 Loading… updated Nov 7, 2024 2.3
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
#60223 by meeseeksmachine was merged Nov 6, 2024 Loading… updated Nov 6, 2024 2.3
BUG (string): ArrowEA comparisons with mismatched types Arrow pyarrow functionality backported Numeric Operations Arithmetic, Comparison, and Logical operations
#59505 by jbrockmendel was merged Aug 13, 2024 Loading… updated Oct 10, 2024
2 of 5 tasks
2.3
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
#59768 by jorisvandenbossche was merged Sep 12, 2024 Loading… updated Oct 10, 2024 2.3
REF (string): de-duplicate ArrowStringArray methods Arrow pyarrow functionality backported Refactor Internal refactoring of code Strings String extension data type and string data
#59555 by jbrockmendel was merged Sep 11, 2024 Loading… updated Oct 10, 2024
5 tasks
2.3
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
#59610 by jorisvandenbossche was merged Aug 27, 2024 Loading… updated Oct 10, 2024 2.3
Bug: fix Series.str.split when 'regex=None' for series having 'pd.ArrowDtype(pa.string())' dtype Arrow pyarrow functionality Stale Strings String extension data type and string data
#58418 by yuanx749 was closed Sep 25, 2024 Loading… updated Sep 26, 2024
4 of 5 tasks
Adjust tests in parsers folder for new string option Arrow pyarrow functionality Stale Strings String extension data type and string data Testing pandas testing functions or related to the test suite
#56192 by phofl was closed Sep 25, 2024 Loading… updated Sep 25, 2024
5 tasks
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