vbarua commented on code in PR #13511:
URL: https://github.com/apache/datafusion/pull/13511#discussion_r1980465883
##########
datafusion/expr/src/udaf.rs:
##########
@@ -845,6 +861,19 @@ pub trait AggregateUDFImpl: Debug + Send + Sync {
ScalarValue::try_from(data_type)
}
+ /// If this function supports `[IGNORE NULLS | RESPECT NULLS]` clause,
return true
+ /// If the function does not, return false
+ /// Otherwise return None (the default)
+ fn supports_null_handling_clause(&self) -> Option<bool> {
+ None
+ }
Review Comment:
Filed https://github.com/apache/datafusion/issues/15006
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