cloud-fan commented on a change in pull request #32764:
URL: https://github.com/apache/spark/pull/32764#discussion_r648005751



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
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@@ -231,6 +236,11 @@ object SerializerSupport {
  * @param dataType The expected return type of the function call
  * @param functionName The name of the method to call.
  * @param arguments An optional list of expressions to pass as arguments to 
the function.
+ * @param methodInputTypes An optional list of data types specifying the input 
types for the method

Review comment:
       Shall we use `inputTypes: Seq[AbstractDataType]` directly? The default 
value is Nil which means no implicit cast needed.




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