jayzhan211 commented on code in PR #13290:
URL: https://github.com/apache/datafusion/pull/13290#discussion_r1837981835
##########
datafusion/expr/src/udf.rs:
##########
@@ -227,6 +224,19 @@ impl ScalarUDF {
self.inner.invoke_batch(args, number_rows)
}
+ /// Invoke the function on `args`, returning the appropriate result.
+ ///
+ /// See [`ScalarUDFImpl::invoke_batch`] for more details.
+ pub fn invoke_batch_with_return_type(
+ &self,
+ args: &[ColumnarValue],
+ number_rows: usize,
+ return_type: &DataType,
Review Comment:
but why do you need `return_type`
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