alamb commented on code in PR #14525:
URL: https://github.com/apache/datafusion/pull/14525#discussion_r1949200715
##########
datafusion/expr/src/test/function_stub.rs:
##########
@@ -125,9 +125,7 @@ impl AggregateUDFImpl for Sum {
}
fn coerce_types(&self, arg_types: &[DataType]) -> Result<Vec<DataType>> {
- if arg_types.len() != 1 {
- return exec_err!("SUM expects exactly one argument");
- }
+ let [array] = take_function_args(self.name(), arg_types)?;
Review Comment:
this is so much nicer
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