jonahgao commented on code in PR #11571:
URL: https://github.com/apache/datafusion/pull/11571#discussion_r1686201995
##########
datafusion/functions/src/math/log.rs:
##########
@@ -82,7 +82,13 @@ impl ScalarUDFImpl for LogFunc {
}
fn output_ordering(&self, input: &[ExprProperties]) ->
Result<SortProperties> {
- match (input[0].sort_properties, input[1].sort_properties) {
+ let (base_sort_properties, num_sort_properties) = if input.len() == 1 {
+ // log(x) defaults to log(10, x)
+ (SortProperties::Singleton, input[0].sort_properties)
+ } else {
+ (input[0].sort_properties, input[1].sort_properties)
+ };
+ match (num_sort_properties, base_sort_properties) {
Review Comment:
Fixed the `nulls_first` problem for `log` by
https://github.com/apache/datafusion/pull/11571/commits/3feeaa85718e0ce257cceb06004f56ec6267e424.
We can create separate PRs for other fixes.
cc @2010YOUY01 @berkaysynnada
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