berkaysynnada commented on code in PR #13910:
URL: https://github.com/apache/datafusion/pull/13910#discussion_r1898451972
##########
datafusion/physical-plan/src/joins/hash_join.rs:
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@@ -566,8 +566,87 @@ impl HashJoinExec {
boundedness_from_children([left, right]),
))
}
+
+ /// Returns a new `ExecutionPlan` that computes the same join as this one,
+ /// with the left and right inputs swapped using the specified
+ /// `partition_mode`.
+ ///
+ /// # Notes:
+ ///
+ /// This function is public so other downstream projects can use it to
+ /// construct `HashJoinExec` with right side as the build side.
+ pub fn swap_inputs(
+ &self,
+ partition_mode: PartitionMode,
Review Comment:
Isn't this a parameter which is present in the HashJoinExec itself? Why are
we separately sending it 🤔
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