alamb commented on code in PR #2716:
URL: https://github.com/apache/arrow-datafusion/pull/2716#discussion_r895667430
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datafusion/core/src/physical_plan/aggregates/mod.rs:
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@@ -117,14 +171,16 @@ impl AggregateExec {
/// Grouping expressions
pub fn group_expr(&self) -> &[(Arc<dyn PhysicalExpr>, String)] {
- &self.group_expr
+ // TODO Is this right?
Review Comment:
Returning `&PhysicalGroupBy` sounds like a good future proof idea
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