dawidwys commented on a change in pull request #7258: [FLINK-11084]Throw a hard
exception to remind developers while there's no stream node between two split
transformation
URL: https://github.com/apache/flink/pull/7258#discussion_r242535000
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java
##########
@@ -643,4 +645,18 @@ private String determineSlotSharingGroup(String
specifiedGroup, Collection<Integ
return inputGroup == null ? "default" : inputGroup;
}
}
+
+ private <T> void validateSplitTransformation(StreamTransformation<T>
input) {
+ if (input instanceof SelectTransformation || input instanceof
SplitTransformation) {
Review comment:
What about `SideOutputTransformation`? Can we apply split on top of
side-output?
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