BUG: Fixed ignoring of nanoseconds when adding to series #47856 #48008
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While working on this, I also fixed a couple typos I noticed along the way. |
mroeschke
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Aug 8, 2022
mroeschke
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Aug 8, 2022
| # GH 47856 | ||
| t = Timestamp("2022-01-01") | ||
| teststamp = t | ||
| s = Series([t]) |
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Nit: Could you avoid one letter names?
mroeschke
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Numeric Operations
Co-authored-by: Matthew Roeschke <[email protected]>
…to timedelta-bug
mroeschke
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Aug 9, 2022
pandas/_libs/tslibs/offsets.pyx
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| # timedelta | ||
| delta = Timedelta(self._offset * self.n) | ||
| num_nano = getattr(self, "nanoseconds", 0) | ||
| rem_nano = Timedelta(nanoseconds=num_nano) |
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I think for performance reasons, it would be good to only construct the Timedelta and add to the offset if nanoseconds != 0
mroeschke
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Aug 9, 2022
pandas/_libs/tslibs/offsets.pyx
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| elif not self._use_relativedelta and hasattr(self, "_offset"): | ||
| # timedelta | ||
| delta = Timedelta(self._offset * self.n) | ||
| if hasattr(self, "nanoseconds"): |
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Nit: Could you use the getattr and check for != 0 instead?
mroeschke
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Aug 9, 2022
Co-authored-by: Matthew Roeschke <[email protected]>
…to timedelta-bug
mroeschke
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Aug 10, 2022
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Thanks @srotondo |
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Nov 9, 2022
…7856 (pandas-dev#48008) * BUG: Fixed ignoring of nanoseconds when adding to series pandas-dev#47856 * Update doc/source/whatsnew/v1.5.0.rst Co-authored-by: Matthew Roeschke <[email protected]> * BUG: Renamed test variables pandas-dev#47856 * BUG: Changed added if-else for performance pandas-dev#47856 * Update pandas/_libs/tslibs/offsets.pyx Co-authored-by: Matthew Roeschke <[email protected]> * BUG: Used getattr for nano check pandas-dev#47856 Co-authored-by: Steven Rotondo <[email protected]> Co-authored-by: Matthew Roeschke <[email protected]>
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nanosecondsin pd.DateOffset was ignored when add to pd.Series #47856 (Replace xxxx with the Github issue number)doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.