findepi commented on code in PR #12177:
URL: https://github.com/apache/datafusion/pull/12177#discussion_r1734568985
##########
datafusion/optimizer/src/eliminate_duplicated_expr.rs:
##########
@@ -79,14 +51,15 @@ impl OptimizerRule for EliminateDuplicatedExpr {
match plan {
LogicalPlan::Sort(sort) => {
let len = sort.expr.len();
- let unique_exprs: Vec<_> = sort
- .expr
- .into_iter()
- .map(|e| SortExprWrapper { expr: e })
- .collect::<IndexSet<_>>()
- .into_iter()
- .map(|wrapper| wrapper.expr)
- .collect();
+ let mut first_sort_by_expr: IndexMap<Expr, SortExpr> =
+ IndexMap::default();
+ for s in &sort.expr {
Review Comment:
done!
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