Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/2653#discussion_r89252908
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/functions/utils/UserDefinedFunctionUtils.scala
---
@@ -135,6 +138,32 @@ object UserDefinedFunctionUtils {
}
/**
+ * Returns eval method matching the given signature of
[[TypeInformation]].
+ */
+ def getEvalMethod(
+ function: EvaluableFunction,
--- End diff --
hi @fhueske When we declare the ScalarFunction and TableFunction as
follows: trait ScalarFunction, trait TableFunction [T], it will become very
useful. The current version is optional.
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