Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3809#discussion_r114520070
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/utils/UserDefinedFunctionUtils.scala
---
@@ -67,52 +68,89 @@ object UserDefinedFunctionUtils {
}
//
----------------------------------------------------------------------------------------------
- // Utilities for eval methods
+ // Utilities for user-defined methods
//
----------------------------------------------------------------------------------------------
/**
- * Returns signatures matching the given signature of
[[TypeInformation]].
+ * Returns signatures of eval methods matching the given signature of
[[TypeInformation]].
* Elements of the signature can be null (act as a wildcard).
*/
- def getSignature(
- function: UserDefinedFunction,
- signature: Seq[TypeInformation[_]])
+ def getEvalMethodSignature(
+ function: UserDefinedFunction,
--- End diff --
indent
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