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Issues: pandas-dev/pandas

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Issues list

BUG: Multindex difference not working on columns with type Timestamp[ns][pyarrow] Arrow pyarrow functionality Bug Numeric Operations Arithmetic, Comparison, and Logical operations
#61382 opened Apr 30, 2025 by bmaisonn
2 of 3 tasks
3
2
BUG: memory issues with string[pyarrow] after sorted pd.merge Arrow pyarrow functionality Bug Closing Candidate May be closeable, needs more eyeballs Upstream issue Issue related to pandas dependency
#61322 opened Apr 20, 2025 by noahblakesmith
3 tasks done
@arjuanwall @phiofuni
@bingbhakdibhumi @eenkhbol
5
BUG: .to_parquet fails with schema for string[pyarrow] but not string[python] Arrow pyarrow functionality Bug Closing Candidate May be closeable, needs more eyeballs Upstream issue Issue related to pandas dependency
#61316 opened Apr 20, 2025 by noahblakesmith
3 tasks done
1
BUG: 'ArrowExtensionArray' object has no attribute 'max' when passing pyarrow-backed series to .iloc Arrow pyarrow functionality Bug Indexing Related to indexing on series/frames, not to indexes themselves
#61311 opened Apr 19, 2025 by MarcoGorelli
3 tasks done
1
BUG: Pyarrow timestamp support for map() function Arrow pyarrow functionality
#61236 opened Apr 6, 2025 by arthurlw Loading…
4 of 5 tasks
1
11
BUG: PyArrow timestamp type does not work with map() function Apply Apply, Aggregate, Transform, Map Arrow pyarrow functionality Bug
#61231 opened Apr 4, 2025 by dbalabka
3 tasks done
1
@arthurlw
2
BUG(?): rolling sum with pyarrow types results in float64 instead of preserving integer type Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Window rolling, ewma, expanding
#61144 opened Mar 18, 2025 by MarcoGorelli
3 tasks done
3
BUG: str.fullmatch behavior is not the same for object dtype and string[pyarrow] dtype Arrow pyarrow functionality Bug Strings String extension data type and string data
#61072 opened Mar 7, 2025 by ptth222
3 tasks done
1
@Pedro-Santos04
2
BUG: Poor GroupBy Performance with ArrowDtype(...) wrapped types Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Needs Discussion Requires discussion from core team before further action
#60861 opened Feb 5, 2025 by kzvezdarov
3 tasks done
13
BUG: Unknown Error - Getting from Databricks SQL Python - From PyArrow module (pyarrow.lib.ArrowException) Arrow pyarrow functionality Bug IO SQL to_sql, read_sql, read_sql_query Needs Info Clarification about behavior needed to assess issue
#60838 opened Feb 3, 2025 by Gobi2511
2 of 3 tasks
4
BUG: .str.contains() regex lookbehind and lookahead fail for data type string[pyarrow] Arrow pyarrow functionality Bug Strings String extension data type and string data
#60833 opened Feb 3, 2025 by noahblakesmith
3 tasks done
2.3
11
BUG: Series.mask incorrectly replaces positions of pd.NA in the cond argument Arrow pyarrow functionality Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays
#60729 opened Jan 18, 2025 by kartoria
3 tasks done
1
@sanggon6107
6
BUG: Arrow Struct columns cannot be grouped on (ArrowNotImplementedError) Arrow pyarrow functionality Bug Error Reporting Incorrect or improved errors from pandas Groupby
#60594 opened Dec 20, 2024 by a-reich
2 of 3 tasks
1
BUG: NameError: name 'pa' is not defined despite pyarrow is installed Arrow pyarrow functionality Bug
#60573 opened Dec 15, 2024 by emmansh
3 tasks done
10
BUG: set_index with pyarrow timestamp type does not produce DatetimeIndex Arrow pyarrow functionality Bug Datetime Datetime data dtype Index Related to the Index class or subclasses
#60561 opened Dec 13, 2024 by WillAyd
3 tasks done
@AbhishekChaudharii
2
BUG: why arrow no affect in Intel chips？ Arrow pyarrow functionality Needs Info Clarification about behavior needed to assess issue Performance Memory or execution speed performance
#60466 opened Dec 2, 2024 by wonb168
3 tasks done
2
Fix BUG: read_sql tries to convert blob/varbinary to string with pyarrow backend Arrow pyarrow functionality IO SQL to_sql, read_sql, read_sql_query
#60105 opened Oct 25, 2024 by kastkeepitjumpinlikekangaroos Loading…
5 tasks done
1
34
BUG: ArrowDtype Series: Broadcasting Error with Single-Value Arrays in Arithmetic Operations Arrow pyarrow functionality Bug
#60073 opened Oct 18, 2024 by hombit
3 tasks done
4
BUG: Failures with ArrowDtype(pa.string_view()) Arrow pyarrow functionality Bug Needs Discussion Requires discussion from core team before further action
#60068 opened Oct 18, 2024 by a10y
2 of 3 tasks
6
BUG: select_dtypes does not work with timestamp[ns][pyarrow] Arrow pyarrow functionality Bug
#59888 opened Sep 25, 2024 by dbalabka
2 of 3 tasks
4
BUG: Arrow Binary View Types Don't Print When containing missing values Arrow pyarrow functionality Bug Needs Discussion Requires discussion from core team before further action Strings String extension data type and string data
#59883 opened Sep 24, 2024 by WillAyd
3 tasks done
6
Consider moving pyarrow's pandas compatibility and conversion code to the pandas project? Arrow pyarrow functionality Needs Discussion Requires discussion from core team before further action
#59780 opened Sep 11, 2024 by jorisvandenbossche
1
ENH: ArrowTemporalProperties' object has no attribute 'to_period' Arrow pyarrow functionality Datetime Datetime data dtype Enhancement Needs Discussion Requires discussion from core team before further action
#59771 opened Sep 10, 2024 by dbalabka
1 of 3 tasks
4
BUG: fixed_size_list pyarrow type not interpretable on round-trip write/read. Arrow pyarrow functionality Bug IO Parquet parquet, feather Needs Discussion Requires discussion from core team before further action
#59738 opened Sep 6, 2024 by delucchi-cmu
2 of 3 tasks
2
ENH: add basic DataFrame.from_arrow class method for importing through Arrow PyCapsule interface Arrow pyarrow functionality Stale
#59696 opened Sep 3, 2024 by jorisvandenbossche Loading…
2 of 4 tasks
14
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