Dandandan commented on a change in pull request #1776:
URL: https://github.com/apache/arrow-datafusion/pull/1776#discussion_r802019979
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File path: datafusion/src/physical_plan/hash_join.rs
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@@ -278,6 +279,14 @@ impl ExecutionPlan for HashJoinExec {
self.right.output_partitioning()
}
+ fn output_ordering(&self) -> Option<&[PhysicalSortExpr]> {
+ None
Review comment:
Probably doesn't make sense to address this now, but order of the right
side might be (fully or partially) maintained for hash joins.
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