englefly commented on code in PR #39812:
URL: https://github.com/apache/doris/pull/39812#discussion_r1728088243
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fe/fe-core/src/main/java/org/apache/doris/nereids/properties/ChildrenPropertiesRegulator.java:
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@@ -464,6 +467,9 @@ public Boolean
visitPhysicalNestedLoopJoin(PhysicalNestedLoopJoin<? extends Plan
@Override
public Boolean visitPhysicalProject(PhysicalProject<? extends Plan>
project, Void context) {
// do not process must shuffle
+ if (children.get(0).getPlan() instanceof PhysicalDistribute) {
Review Comment:
if (children.get(0).getPlan() instanceof PhysicalDistribute &&
project.getOutput().size() <= children.get(0).getPlan().getOutput().size()) {
...}
how about this?
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