[C++][Python] if_else kernel doesn't support upcasting #28693
Description
when using type multiple types for left and right arrays, if_else kernel fails. IMO check casting and dispatching logic for the if_else kernel.
>>> pc.if_else([True], [1], [3.5])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 3, in if_else
File "pyarrow/_compute.pyx", line 335, in pyarrow._compute.Function.call
result = GetResultValue(self.base_func.Execute(c_args,
File "pyarrow/error.pxi", line 141, in pyarrow.lib.pyarrow_internal_check_status
return check_status(status)
File "pyarrow/error.pxi", line 118, in pyarrow.lib.check_status
raise ArrowNotImplementedError(message)
pyarrow.lib.ArrowNotImplementedError: Function if_else has no kernel matching input types (array[bool], array[int64], array[double])Reporter: Niranda Perera / @nirandaperera
Assignee: Niranda Perera / @nirandaperera
Related issues:
- [C++] An "if_else" kernel to combine two arrays based on a mask (is a child of)
PRs and other links:
Note: This issue was originally created as ARROW-12975. Please see the migration documentation for further details.