Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3330#discussion_r101760789
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/CodeGenerator.scala
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@@ -1463,21 +1465,23 @@ class CodeGenerator(
*/
def addReusableFunction(function: UserDefinedFunction): String = {
--- End diff --
By serializing the UDF, we don't need the default constructor anymore,
right? So we should update the JavaDocs of the method.
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