alamb commented on code in PR #4885:
URL: https://github.com/apache/arrow-datafusion/pull/4885#discussion_r1068140522
##########
datafusion/core/src/physical_optimizer/repartition.rs:
##########
@@ -163,10 +166,14 @@ fn optimize_partitions(
.children()
.iter()
.map(|child| {
+ let can_reorder_child = (can_reorder
+ && plan.required_input_ordering().is_empty())
Review Comment:
The change is to add `&& plan.required_input_ordering().is_empty())` to the
check if the child can be reordered
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