GaneshPatil7517 commented on code in PR #19808:
URL: https://github.com/apache/datafusion/pull/19808#discussion_r2695037262
##########
datafusion/physical-plan/src/joins/hash_join/exec.rs:
##########
@@ -958,6 +966,15 @@ impl ExecutionPlan for HashJoinExec {
Distribution::HashPartitioned(right_expr),
]
}
+ PartitionMode::LazyPartitioned => {
+ // LazyPartitioned mode: build side is NOT repartitioned (we
read all
+ // partitions and filter locally), but probe side IS
hash-partitioned.
+ let right_expr = self.on.iter().map(|(_, r)|
Arc::clone(r)).collect();
Review Comment:
Thanks for sharing this. I’ll review the AI-based variant and the benchmarks
you added and see how it compares with this approach.
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