comphead commented on code in PR #15542:
URL: https://github.com/apache/datafusion/pull/15542#discussion_r2029478517
##########
datafusion/functions-aggregate/src/first_last.rs:
##########
@@ -291,7 +202,121 @@ impl AggregateUDFImpl for FirstValue {
}
}
-struct FirstPrimitiveGroupsAccumulator<T>
+fn create_group_acc(
Review Comment:
```suggestion
fn create_group_accumulator(
```
##########
datafusion/functions-aggregate/src/first_last.rs:
##########
@@ -291,7 +202,121 @@ impl AggregateUDFImpl for FirstValue {
}
}
-struct FirstPrimitiveGroupsAccumulator<T>
+fn create_group_acc(
+ args: AccumulatorArgs,
+ pick_first_in_group: bool,
+) -> std::result::Result<Box<dyn GroupsAccumulator>, DataFusionError> {
Review Comment:
we can use `DFResult` instead of Result with `DataFusionError`
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