[GitHub] [arrow] jorisvandenbossche opened a new issue, #34824: [C++] Kernel to construct MonthDayNanoInterval array from separate arrays of months/days/nanos

["jorisvandenbossche (via GitHub)" <gi...@apache.org>]

jorisvandenbossche opened a new issue, #34824:
URL: https://github.com/apache/arrow/issues/34824

   Currently it's not straightforward to construct a MonthDayNanoIntervalArray from existing data. The python layer adds conversion from timedelta/relativedelta/tuples of ints, but so that's only for generic python->arrow conversion, not if you already have arrow data. For example, converting an array of integers that represents the number of days to an interval array.
   
   Proposal: a scalar kernel that can construct an interval array from its parts (eg `month_day_nano_interval_from_parts(months, days, nanos)`, so where each of the months/days/nanos parts can be an array or a scalar.


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