Github user clarkyzl commented on a diff in the pull request:
https://github.com/apache/flink/pull/3389#discussion_r104605350
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/utils/UserDefinedFunctionUtils.scala
---
@@ -140,6 +138,26 @@ object UserDefinedFunctionUtils {
s"one method named 'eval' which is public, not abstract and " +
s"(in case of table functions) not static.")
} else {
+ methods.foreach(method => {
+ val signatures = method.getParameterTypes
+ if (signatures.nonEmpty &&
+ signatures.last.getName.equals("scala.collection.Seq") &&
+ // If users specified an @varargs, Scala will generate two
methods indeed.
+ // If there does not exists corresponding varargs method of
the Seq method,
--- End diff --
Typo.
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