Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/2653#discussion_r89124951
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/functions/utils/UserDefinedFunctionUtils.scala
---
@@ -162,24 +191,107 @@ object UserDefinedFunctionUtils {
}
/**
+ * Internal method of [[ScalarFunction#getResultType()]] that does some
pre-checking and uses
--- End diff --
This method is never used. I carelessly introduced this method before. So I
will remove this.
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