Sxnan commented on code in PR #20147:
URL: https://github.com/apache/flink/pull/20147#discussion_r932018451
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/SingleOutputStreamOperator.java:
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@@ -399,7 +399,7 @@ public SingleOutputStreamOperator<T>
slotSharingGroup(SlotSharingGroup slotShari
* @see
org.apache.flink.streaming.api.functions.ProcessFunction.Context#output(OutputTag,
* Object)
*/
- public <X> DataStream<X> getSideOutput(OutputTag<X> sideOutputTag) {
+ public <X> SingleOutputStreamOperator<X> getSideOutput(OutputTag<X>
sideOutputTag) {
Review Comment:
I introduce a `SideOutputDataStream` to be returned by getSideOutput.
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