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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/01 10:14:40 UTC

[GitHub] [arrow] jorisvandenbossche commented on pull request #12528: ARROW-15251: [C++] Temporal floor/ceil/round handle ambiguous/nonexistent local time

jorisvandenbossche commented on pull request #12528:
URL: https://github.com/apache/arrow/pull/12528#issuecomment-1055262792


   A somewhat contrived example that currently gives a nonexistent error with rounding (it requires an atypical `multiple` to end up in a gap):
   
   ```
   >>> arr = pc.assume_timezone(pa.array([pd.Timestamp("2015-03-29 02:30:00")]), "Europe/Brussels", nonexistent="latest")
   >>> pc.round_temporal(arr, 16, "minute")
   ...
   ArrowInvalid: Local time does not exist: 2015-03-29 02:56:00.000000 is in a gap between
   2015-03-29 02:00:00 CET and
   2015-03-29 03:00:00 CEST which are both equivalent to
   2015-03-29 01:00:00 UTC
   ```
   


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