edmondop commented on code in PR #11696:
URL: https://github.com/apache/datafusion/pull/11696#discussion_r1696124455
##########
datafusion/expr/src/udaf.rs:
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@@ -249,6 +249,14 @@ impl AggregateUDF {
pub fn simplify(&self) -> Option<AggregateFunctionSimplification> {
self.inner.simplify()
}
+
+ /// Returns true if the function is max, false if the function is min
+ /// None in all other cases, used in certain optimizations or
+ /// or aggregate
+ ///
+ pub fn get_minmax_desc(&self) -> Option<bool> {
Review Comment:
Fixed with [`eb0ebe0`
(#11696)](https://github.com/apache/datafusion/pull/11696/commits/eb0ebe04fc92baec527ffd945b8801f72ffecf48)
although I am not sure I understood what "is descending" mean for a function?
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