nuno-faria commented on code in PR #17201:
URL: https://github.com/apache/datafusion/pull/17201#discussion_r2278692439
##########
datafusion/physical-plan/src/joins/hash_join.rs:
##########
@@ -804,8 +805,8 @@ impl ExecutionPlan for HashJoinExec {
self.mode,
self.null_equality,
)?;
- // Preserve the dynamic filter if it exists
- new_join.dynamic_filter = Arc::clone(&self.dynamic_filter);
+ // Create a new dynamic filter with swapped keys after inputs are
swapped
+ new_join.dynamic_filter = Self::create_dynamic_filter(&new_join.on);
Ok(Arc::new(new_join))
Review Comment:
@xudong963 The partitioned mode is still considered, but the filter that is
pushed is not waiting for all partitions to finish. In this case, the filter
(right or wrong) is pushed to the wrong side.
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