waitingkuo commented on issue #3166:
URL:
https://github.com/apache/arrow-datafusion/issues/3166#issuecomment-1215881122
> Since we are treating `Time` literals as `Nanosecond` precision, I agree
@waitingkuo that the output of `SUM()` and `AVG()` of `TIME` should be
`Interval(MonthDayNano)` 👍
>
> ```shell
> ❯ select arrow_typeof(cast('10:00:00' as time));
> +-----------------------------------------------------------+
> | arrowtypeof(CAST(Utf8("10:00:00") AS Time64(Nanosecond))) |
> +-----------------------------------------------------------+
> | Time64(Nanosecond) |
> +-----------------------------------------------------------+
> 1 row in set. Query took 0.038 seconds.
> ```
what about `select interval '1 second'`, should we output
`Interval(MonthDayNano)` for making them all consistent?
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