mustafasrepo commented on code in PR #6956:
URL: https://github.com/apache/arrow-datafusion/pull/6956#discussion_r1264972151
##########
datafusion/core/src/physical_plan/joins/sort_merge_join.rs:
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@@ -295,6 +321,65 @@ impl ExecutionPlan for SortMergeJoinExec {
)
}
+ fn ordering_equivalence_properties(&self) -> OrderingEquivalenceProperties
{
+ let mut new_properties =
OrderingEquivalenceProperties::new(self.schema());
Review Comment:
Since `SymmetricHashJoin` doesn't maintain input ordering under any
circumstance (since it has alternating build sides), its ordering_equivalence
implementation should be empty.
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