Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5068#discussion_r155491207
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/sinks/TableSink.scala
---
@@ -45,6 +45,10 @@ trait TableSink[T] {
/** Returns the types of the table fields. */
def getFieldTypes: Array[TypeInformation[_]]
+ /** Describes the table sink. */
+ def explainSink(): String =
--- End diff --
As far as I can see, this method is only called from within the interface
implementations and not from external code. I'd rather not add this method
unless it is required.
---