joroKr21 commented on code in PR #12922:
URL: https://github.com/apache/datafusion/pull/12922#discussion_r1801270692
##########
datafusion/functions/src/macros.rs:
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@@ -226,9 +226,8 @@ macro_rules! make_math_unary_udf {
$EVALUATE_BOUNDS(inputs)
}
- fn invoke(&self, args: &[ColumnarValue]) ->
Result<ColumnarValue> {
- let args = ColumnarValue::values_to_arrays(args)?;
-
+ fn invoke(&self, col_args: &[ColumnarValue]) ->
Result<ColumnarValue> {
Review Comment:
> If a function might produce multiple rows for scalar args, it might not be
appropriate to declare it as maintain_scalar
Yes, but how will you actually implement it?
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