kccqzy opened a new issue, #49310:
URL: https://github.com/apache/arrow/issues/49310
### Describe the bug, including details regarding any error messages,
version, and platform.
Run the following Python code:
```
import pyarrow
t = pyarrow.repeat('RANDOM_STR', 10**8)
f = pyarrow.repeat('RANDOM_STR_LARGE', 10**8)
m = pyarrow.repeat(False, 10**8)
pyarrow.compute.if_else(m, t, f)
```
This segfaults almost immediately on my computer. The cause of the issue
that the arguments have string type but the result does not fit in the string
type. If one were to cast the argument from string to large_string prior to
calling `if_else` then it works.
This should either raise a proper exception in Python or silently do the
cast for the user. It should not segfault.
### Component(s)
Python
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