amorynan commented on code in PR #27717:
URL: https://github.com/apache/doris/pull/27717#discussion_r1408911832


##########
fe/fe-core/src/main/java/org/apache/doris/analysis/ArrayLiteral.java:
##########
@@ -134,6 +135,29 @@ protected void toThrift(TExprNode msg) {
         msg.setChildType(((ArrayType) 
type).getItemType().getPrimitiveType().toThrift());
     }
 
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(children);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null) {
+            return false;
+        }
+        if (!(o instanceof ArrayLiteral)) {
+            return false;
+        }
+        if (this == o) {
+            return true;
+        }
+        ArrayLiteral that = (ArrayLiteral) o;
+        if (that.children.size() != children.size()) {
+            return false;
+        }

Review Comment:
   I think Objects.equals make sure the size already! I will just remove this 



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