arity

englefly · Nov 27, 2024 · 53eb9a8 · 53eb9a8
1 parent 78eff5c
commit 53eb9a8
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/AbstractTreeNode.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/AbstractTreeNode.java
@@ -55,7 +55,7 @@ protected AbstractTreeNode(List<NODE_TYPE> children) {
 
     @Override
     public NODE_TYPE child(int index) {
-        return children.get(index);
+        return children().get(index);
     }
 
     @Override
@@ -74,6 +74,7 @@ public void setMutableState(String key, Object state) {
     }
 
     public int arity() {
-        return children.size();
+        // for flatten and / or, arity is the count of flatten children
+        return children().size();
     }
 }