From e7271f20f9764061fd17ca7e21896413cfec1650 Mon Sep 17 00:00:00 2001
From: emptyOVO <gaoyifei040229@163.com>
Date: Mon, 30 Dec 2024 15:54:08 +0800
Subject: [PATCH] fix: add NP checks in parse()

---
 .../function/arithmetic/FibonacciFunction.java       | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/FibonacciFunction.java b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/FibonacciFunction.java
index e05ed1d066..3c2ba9d1ed 100644
--- a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/FibonacciFunction.java
+++ b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/FibonacciFunction.java
@@ -57,9 +57,15 @@ public FibonacciFunction(Function expr) {
 
     @Override
     public Object parse(SourceData sourceData, int rowIndex, Context context) {
-        Object numberObj = numberParser.parse(sourceData, rowIndex, context);
-        BigDecimal numberValue = OperatorTools.parseBigDecimal(numberObj);
-        return fibonacci(numberValue.intValue());
+        if (numberParser != null) {
+            Object valueObj = numberParser.parse(sourceData, rowIndex, context);
+            if (valueObj == null) {
+                return null;
+            }
+            BigDecimal numberValue = OperatorTools.parseBigDecimal(valueObj);
+            return fibonacci(numberValue.intValue());
+        }
+        return null;
     }
 
     private long fibonacci(int n) {