hehuiyuan commented on code in PR #19423:
URL: https://github.com/apache/flink/pull/19423#discussion_r850167862


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flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/functions/hive/HiveGenericUDAF.java:
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@@ -105,6 +108,8 @@ private void init() throws HiveException {
                         GenericUDAFEvaluator.Mode.FINAL,
                         new ObjectInspector[] {partialResultObjectInspector});
 
+        isArgsSingleArray = HiveFunctionUtil.isSingleBoxedArray(argTypes);

Review Comment:
   @luoyuxia , I am wrong.
   Array(double) , the isNullable  of DoubleType is false,it will throw  
exception.
   Array(double) , the isNullable  of DoubleType is true,it is normal.



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