nirandaperera opened a new pull request #10410:
URL: https://github.com/apache/arrow/pull/10410
Adding a preliminary impl for an `if_else(cond: Datum, left: Datum, right:
Datum)` function. It works as follows,
```python
def if_else(cond, left, right):
for c, true_val, false_val in zip(cond, left, right):
if c:
yield true_val
else:
yield false_val
```
`null` values will be promoted to the output.
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