randolf-scholz commented on issue #48003:
URL: https://github.com/apache/arrow/issues/48003#issuecomment-3469226967
@rok I am talking about `multiple(duration, double)` and `divide(duration,
double)`. These do not exist
```python
import pyarrow as pa
x = pa.array([1, 2, 3], type=pa.duration("s"))
y = pa.array([0.0, 1.5, 2.9], type=pa.float64())
pa.compute.multiply(x, y)
# pyarrow.lib.ArrowNotImplementedError: Function 'multiply' has no kernel
matching input types (duration[s], double)
```
Because `duration` is internally an integer, implementing this operation
requires automatic rounding as in `numpy`.
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