andygrove commented on a change in pull request #8222:
URL: https://github.com/apache/arrow/pull/8222#discussion_r492075137
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File path: rust/datafusion/src/physical_plan/hash_aggregate.rs
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@@ -48,9 +48,12 @@ use fnv::FnvHashMap;
/// Hash aggregate modes
#[derive(Debug, Copy, Clone)]
pub enum AggregateMode {
+ /// Aggregate mode without any partial/intermediate aggregation
+ NoPartial,
Review comment:
```
/**
* An [[AggregateFunction]] with [[Complete]] mode is used to evaluate this
function directly
* from original input rows without any partial aggregation.
* This function updates the given aggregation buffer with the original
input of this
* function. When it has processed all input rows, the final result of this
function is returned.
*/
case object Complete extends AggregateMode
```
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