ENH/WIP: resolution inference in pd.to_datetime, DatetimeIndex #55901
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@mroeschke thoughts on getting this across the finish line? |
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/preview |
mroeschke
reviewed
May 22, 2024
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| for res in [result6, result8, result9]: | ||
| # These cases go through array_to_datetime, not array_to_strptime. | ||
| # This means that as of GH#??? they do resolution inference |
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Is there an issue now for this?
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looks like this comment is out of date and all the cases now do inference. will update.
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I had 2 comments otherwise looks OK. Do you think we can also do the same for timedelta before 3.0? |
Not likely. IIRC even the scalar case doesnt do inference on strings yet. |
mroeschke
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May 31, 2024
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Nice to finally get this in @jbrockmendel |
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read_csvandto_datetime#54048doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.This is an API change so will have to wait for 3.0, posting it to get feedback on desired API in mostly-IO places where this causes API changes.
This does not yet handle Timedelta scalar, TimedeltaIndex, or pd.to_timedelta. I'd like to get those done for 3.0 but its a much lower priority than the datetime side.
I've been splitting things off to reduce the diff, will try to keep doing that. Open to suggestions for splittable components. Currently #55741 has some of the cython implementation.
19 tests are failing locally. 11 of those are stata tests that would be addressed by #55642. 4 are SAS and have a similar option available. One is in JSON and may be hard to solve, xref #55827. The rest are caused by #55737.