8000 ENH: Improve performance for arrow dtypes in monotonic join by phofl · Pull Request #51365 · pandas-dev/pandas · GitHub
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ENH: Improve performance for arrow dtypes in monotonic join #51365

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Merged
phofl merged 3 commits into from
Feb 16, 2023
Merged

ENH: Improve performance for arrow dtypes in monotonic join #51365

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ENH: Improve performance for arrow dtypes in monotonic join
phofl Feb 13, 2023
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Add gh ref
phofl Feb 13, 2023
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phofl Feb 16, 2023
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@phofl
phofl committed Feb 16, 2023
commit df057ad24a92b96021f0369897374890f4d62aec
4 changes: 1 addition & 3 deletions pandas/core/indexes/base.py
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Expand Up @@ -4956,9 +4956,7 @@ def _from_join_target(self, result: np.ndarray) -> ArrayLike:
if isinstance(self.values, BaseMaskedArray):
return type(self.values)(result, np.zeros(result.shape, dtype=np.bool_))
elif isinstance(self.values, ArrowExtensionArray):
import pyarrow as pa

return type(self.values)(pa.array(result))
return type(self.values)._from_sequence(result)
return result

@doc(IndexOpsMixin._memory_usage)
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