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Merged
MarcoGorelli merged 4 commits into from
Dec 10, 2022
Merged

PERF: _return_parsed_timezone_results #50168

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PERF: _return_parsed_timezone_results
lukemanley Dec 10, 2022
82acdd4
whatsnew
lukemanley Dec 10, 2022
c58daa6
fix
lukemanley Dec 10, 2022
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whatsnew
lukemanley Dec 10, 2022
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whatsnew
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@lukemanley
lukemanley committed Dec 10, 2022
commit 82acdd4d90b64dfd3a3b00602dd1f090e27ace0e
1 change: 1 addition & 0 deletions doc/source/whatsnew/v2.0.0.rst
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Expand Up @@ -662,6 +662,7 @@ Performance improvements
- Performance improvement for :class:`Series` constructor passing integer numpy array with nullable dtype (:issue:`48338`)
- Performance improvement for :class:`DatetimeIndex` constructor passing a list (:issue:`48609`)
- Performance improvement in :func:`merge` and :meth:`DataFrame.join` when joining on a sorted :class:`MultiIndex` (:issue:`48504`)
- Performance improvement in :func:`to_datetime` when parsing strings with mixed timezones (:issue:`50107`)
- Performance improvement in :meth:`DataFrame.loc` and :meth:`Series.loc` for tuple-based indexing of a :class:`MultiIndex` (:issue:`48384`)
- Performance improvement for :meth:`MultiIndex.unique` (:issue:`48335`)
- Performance improvement for :func:`concat` with extension array backed indexes (:issue:`49128`, :issue:`49178`)
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