jonahgao commented on code in PR #10459:
URL: https://github.com/apache/datafusion/pull/10459#discussion_r1597637521
##########
datafusion/optimizer/src/single_distinct_to_groupby.rs:
##########
@@ -280,11 +261,7 @@ impl OptimizerRule for SingleDistinctToGroupBy {
outer_group_exprs,
outer_aggr_exprs,
)?);
-
- Ok(Some(LogicalPlan::Projection(Projection::try_new(
- alias_expr,
- Arc::new(outer_aggr),
- )?)))
+ Ok(Some(project(outer_aggr, alias_expr)?))
Review Comment:
The function `project()` will internally call `columnize_expr`, which can
simplify the code here.
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