alamb commented on code in PR #25692:
URL: https://github.com/apache/datafusion/pull/25692#discussion_r4103337189
##########
datafusion/functions/src/datetime/date_bin.rs:
##########
@@ -269,14 +269,22 @@ impl ScalarUDFImpl for DateBinFunc {
}
fn output_ordering(&self, input: &[ExprProperties]) ->
Result<SortProperties> {
- // The DATE_BIN function preserves the order of its second argument.
let step = &input[0];
let date_value = &input[1];
let reference = input.get(2);
- if step.sort_properties.eq(&SortProperties::Singleton)
+ // Scaling these representations to nanoseconds can overflow and turn
Review Comment:
https://www.elastic.co/docs/reference/elasticsearch/mapping-reference/date_nanos
##########
datafusion/functions/src/datetime/date_bin.rs:
##########
@@ -269,14 +269,22 @@ impl ScalarUDFImpl for DateBinFunc {
}
fn output_ordering(&self, input: &[ExprProperties]) ->
Result<SortProperties> {
- // The DATE_BIN function preserves the order of its second argument.
let step = &input[0];
let date_value = &input[1];
let reference = input.get(2);
- if step.sort_properties.eq(&SortProperties::Singleton)
+ // Scaling these representations to nanoseconds can overflow and turn
Review Comment:
https://www.elastic.co/docs/reference/elasticsearch/mapping-reference/date_nanos
-- apparently 2262
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