seawinde commented on code in PR #26120:
URL: https://github.com/apache/doris/pull/26120#discussion_r1381197991
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/TreeNode.java:
##########
@@ -184,6 +184,27 @@ default boolean anyMatch(Predicate<TreeNode<NODE_TYPE>>
predicate) {
return false;
}
+ /**
+ * iterate top down and test predicate, if matched then collect it.
+ *
+ * @param predicate predicate
+ * @param matchedNodes the nodes that satisfies the predicate
+ * @param traversalAll whether continue to recurse or not when predicate
is true
+ */
+ default void matchAndCollect(Predicate<TreeNode<NODE_TYPE>> predicate,
+ List<TreeNode<NODE_TYPE>> matchedNodes,
+ boolean traversalAll) {
+ if (predicate.test(this)) {
Review Comment:
It's the same, will use treeNode collect method instead
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