findepi commented on code in PR #17442:
URL: https://github.com/apache/datafusion/pull/17442#discussion_r2330219757
##########
datafusion/physical-expr-common/src/sort_expr.rs:
##########
@@ -367,8 +367,21 @@ impl LexOrdering {
/// Creates a new [`LexOrdering`] from the given vector of sort
expressions.
/// If the vector is empty, returns `None`.
pub fn new(exprs: impl IntoIterator<Item = PhysicalSortExpr>) ->
Option<Self> {
- let (non_empty, ordering) = Self::construct(exprs);
- non_empty.then_some(ordering)
+ let exprs = exprs.into_iter();
Review Comment:
> I am not sure this is better / faster than what was previously used to
comute exprs and populate the hashset:
The goal of the second commit is to increase code coherence and reduce
logical duplication between `push` and `new`. Code maintainability >> micro
optimizations that potentially don't matter in grand scheme of things.
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