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Pull requests: pandas-dev/pandas
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Fixes #55884- Added else for invalid fill_method Error Reporting Incorrect or improved errors from pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG/PERF: merge_asof raising TypeError for various "by" column dtypes Bug Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #55670 on branch 2.1.x (REGR: merge_asof raising TypeError for "by" with datelike dtypes) Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
REGR: merge_asof raising TypeError for "by" with datelike dtypes Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG/PERF: merge_asof with multiple "by" keys Bug Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
DEPR: Previous implementation of DataFrame.stack Deprecate Functionality to remove in pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: DataFrame.join reordering index levels when joining on subset of levels Bug MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #55348 on branch 2.1.x (REGR: join segfaulting for arrow string with nulls) Reshaping Concat, Merge/Join, Stack/Unstack, Explode Strings String extension data type and string data
BUG: concat(axis=1) ignoring sort parameter for DatetimeIndex Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
PERF: concat(axis=1) with unaligned indexes Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: merge with left and/or right empty returning mis-ordered columns Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #54974 on branch 2.1.x (Include pyarrow_numpy string in efficient merge implementation) Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #54914 on branch 2.1.x (REGR: concat raising for 2 different ea dtypes) Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
ENH: Move factorizing for merge to EA interface ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#54975 by phofl was closed Apr 23, 2024 Loading…
5 tasks
Include pyarrow_numpy string in efficient merge implementation Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #54962 on branch 2.1.x (BUG: DataFrame.stack with future_stack=True failing when columns are tuples) Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #54945 on branch 2.1.x (REGR: MultiIndex.append raising for overlapping IntervalIndex levels) Interval Interval data type MultiIndex Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: DataFrame.stack with future_stack=True failing when columns are tuples Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
REGR: MultiIndex.append raising for overlapping IntervalIndex levels Interval Interval data type MultiIndex Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Backport PR #54895 on branch 2.1.x (REGR: Merge raising when left merging on arrow string index) Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode
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