findepi commented on code in PR #17182:
URL: https://github.com/apache/datafusion/pull/17182#discussion_r2282823901
##########
datafusion/expr/src/udf.rs:
##########
@@ -67,14 +67,31 @@ impl PartialEq for ScalarUDF {
}
}
-// TODO (https://github.com/apache/datafusion/issues/17064) PartialOrd is not
consistent with PartialEq for `ScalarUDF` and it should be
-// Manual implementation based on `ScalarUDFImpl::equals`
impl PartialOrd for ScalarUDF {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
- match self.name().partial_cmp(other.name()) {
- Some(Ordering::Equal) =>
self.signature().partial_cmp(other.signature()),
- cmp => cmp,
+ let mut cmp = self.name().cmp(other.name());
+ if cmp == Ordering::Equal {
+ cmp = self.signature().partial_cmp(other.signature())?;
}
Review Comment:
That would make `debug_assert` below unreachable. Do you want me to delete
it?
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