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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2018/12/18 13:29:37 UTC
[GitHub] 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
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
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@@ -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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