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TST: Testing for mixed int/str Index

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Open (in progress).

pandas-dev/pandasnumber 61349

#61349 In pandas-dev/pandas;

· xaris96 opened on Apr 24, 2025

BUG: <code>series.reindex(mi)</code> behaves different for series with Index and MultiIndex

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

MultiIndex

Status: Open.

#60923 In pandas-dev/pandas;

· ssche opened on Feb 13, 2025

BUG: MultiIndex union/difference not commutative

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

MultiIndex

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Status: Open.

#60642 In pandas-dev/pandas;

· ssche opened on Jan 2, 2025

BUG: set_index with pyarrow timestamp type does not produce DatetimeIndex

Arrowpyarrow functionalitypyarrow functionality

Bug

DatetimeDatetime data dtypeDatetime data dtype

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Status: Open.

#60561 In pandas-dev/pandas;

· WillAyd opened on Dec 13, 2024

BUG/API: preserve dtype in Index <code>append()</code>

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#60159 In pandas-dev/pandas;

· jorisvandenbossche opened on Oct 31, 2024

 ·  

3.0

BUG: when using id_vars in .melt(), the id_vars does not recognize the column name in a multiIndex dataframe

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Open.

#60018 In pandas-dev/pandas;

· ivan-marroquin opened on Oct 11, 2024

BUG: is_unique fails when using float128 indexes, since pandas 2.0

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#59826 In pandas-dev/pandas;

· morotti opened on Sep 17, 2024

API: handling of missing values in Index.__contains__

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Status: Open.

#59765 In pandas-dev/pandas;

· jorisvandenbossche opened on Sep 9, 2024

 ·  

4.0

BUG: <code>Index.difference</code> is returning too many values

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Status: Open.

#58971 In pandas-dev/pandas;

· michaelpradel opened on Jun 10, 2024

BUG: .loc with DateTimeIndex allows day first string for stop in slice, but not start

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Status: Open.

#58302 In pandas-dev/pandas;

· WillAyd opened on Apr 18, 2024

BUG: MultiIndex.factorize fails if index is 0-length

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Status: Open.

#57517 In pandas-dev/pandas;

· batterseapower opened on Feb 20, 2024

API: Change <code>assert_index_equal(exact=)</code> default from <code>"equiv"</code> to <code>True</code>

API Design

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Open.

#57436 In pandas-dev/pandas;

· mroeschke opened on Feb 15, 2024