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PERF/TYP: typing cast in __getitem__ gives quite some overhead #44624

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Merged
merged 4 commits into from
Dec 3, 2021
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PERF/TYP: typing cast in __getitem__ gives quite some overhead #44624

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6682309
PERF/TYP: typing cast in __getitem__ gives quite some overhead
jorisvandenbossche Nov 26, 2021
4f5f41f
Merge remote-tracking branch 'upstream/master' into perf-datetime-get…
jorisvandenbossche Dec 3, 2021
9c1a110
stringify
jorisvandenbossche Dec 3, 2021
be77452
categorical as well
jorisvandenbossche Dec 3, 2021
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PERF/TYP: typing cast in __getitem__ gives quite some overhead
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@jorisvandenbossche
jorisvandenbossche committed Nov 26, 2021
commit 6682309fbaffc456fd04ebead0b8a83df226187b
7 changes: 4 additions & 3 deletions pandas/core/arrays/datetimelike.py
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Expand Up @@ -332,9 +332,10 @@ def __getitem__(
only handle list-likes, slices, and integer scalars
"""
# Use cast as we know we will get back a DatetimeLikeArray or DTScalar
result = cast(
Union[DatetimeLikeArrayT, DTScalarOrNaT], super().__getitem__(key)
)
# result = cast(
# Union[DatetimeLikeArrayT, DTScalarOrNaT], super().__getitem__(key)
# )
result = super().__getitem__(key)
if lib.is_scalar(result):
return result
else:
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