rluvaton commented on code in PR #15022:
URL: https://github.com/apache/datafusion/pull/15022#discussion_r2049436982
##########
datafusion/functions-aggregate-common/src/aggregate/groups_accumulator.rs:
##########
@@ -163,6 +177,50 @@ impl GroupsAccumulatorAdapter {
/// invokes f(accumulator, values) for each group that has values
/// in group_indices.
+ fn invoke_per_accumulator<F>(
+ &mut self,
+ values: &[ArrayRef],
+ group_indices: &[usize],
+ opt_filter: Option<&BooleanArray>,
+ total_num_groups: usize,
+ f: &F,
+ ) -> Result<()>
+ where
+ F: Fn(&mut dyn Accumulator, &[ArrayRef]) -> Result<()>,
+ {
+ self.make_accumulators_if_needed(total_num_groups)?;
+
+ assert_eq!(values[0].len(), group_indices.len());
+
+ if group_indices.is_empty() {
+ return Ok(());
+ }
+
+ let (sizes_pre, sizes_post) = if self.contiguous_group_indices {
+ self.invoke_per_accumulator_on_contiguous_group_indices(
+ values,
+ group_indices,
+ opt_filter,
+ f,
+ )
+ } else {
+ self.invoke_per_accumulator_on_non_ordered_group_indices(
+ values,
+ group_indices,
+ opt_filter,
+ f,
+ )
+ }?;
+
+ self.adjust_allocation(sizes_pre, sizes_post);
+
+ Ok(())
+ }
+
+ /// invokes f(accumulator, values) for each group that has values
+ /// in group_indices.
+ ///
+ /// if the group indices are contiguous we avoiding
Review Comment:
yes. sorry, somethings I just move to different things while forgot to
finish 😅 will update
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