924060929 commented on code in PR #10415:
URL: https://github.com/apache/doris/pull/10415#discussion_r910575241
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/pattern/GroupExpressionMatching.java:
##########
@@ -102,9 +104,12 @@ public GroupExpressionIterator(Pattern<Plan, Plan>
pattern, GroupExpression grou
Group childGroup = groupExpression.child(i);
List<Plan> childrenPlan = matchingChildGroup(pattern,
childGroup, i);
childrenPlans.add(childrenPlan);
+ if (childrenPlans.isEmpty()) {
Review Comment:
yes
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