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CoW: Add reference tracking to index when created from series #51803

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Merged
merged 14 commits into from
Mar 15, 2023
Merged

CoW: Add reference tracking to index when created from series #51803

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f8d7991
CoW: Add reference tracking to index when created from series
phofl Mar 5, 2023
2be4b74
Fix
phofl Mar 6, 2023
482d9ea
Add datetimeindex tests
phofl Mar 7, 2023
462a0f1
Add periodindex tests
phofl Mar 7, 2023
6868470
Add timedelta index tests
phofl Mar 7, 2023
4cf9c7e
Remove option
phofl Mar 7, 2023
f0a12d6
Fix mypy
phofl Mar 7, 2023
d7f615b
Merge remote-tracking branch 'upstream/main' into cow_index_ref_tracking
phofl Mar 13, 2023
109343c
Merge branch 'main' into cow_index_ref_tracking
phofl Mar 14, 2023
538a3f8
Switch
phofl Mar 14, 2023
ab49678
Merge branch 'main' into cow_index_ref_tracking
phofl Mar 15, 2023
0052f30
Merge branch 'main' into cow_index_ref_tracking
phofl Mar 15, 2023
0d97e3d
Merge branch 'main' into cow_index_ref_tracking
phofl Mar 15, 2023
bbd0420
Fix pre-commit
phofl Mar 15, 2023
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@phofl
phofl committed Mar 14, 2023
commit 538a3f8d22a6f6f3c3f11d4d1f3324b323fb2edc
2 changes: 1 addition & 1 deletion pandas/core/indexes/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1031,8 +1031,8 @@ def astype(self, dtype, copy: bool = True):
result = Index(new_values, name=self.name, dtype=new_values.dtype, copy=False)
if (
not copy
and astype_is_view(self.dtype, dtype)
and self._references is not None
and astype_is_view(self.dtype, dtype)
):
result._references = self._references
result._references.add_index_reference(result)
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