Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/3484#discussion_r104895136
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java
---
@@ -333,32 +356,41 @@ public void addEdge(Integer upStreamVertexID, Integer
downStreamVertexID, int ty
downStreamVertexID,
typeNumber,
null,
- new ArrayList<String>());
+ new ArrayList<String>(), null);
}
private void addEdgeInternal(Integer upStreamVertexID,
Integer downStreamVertexID,
int typeNumber,
StreamPartitioner<?> partitioner,
- List<String> outputNames) {
-
+ List<String> outputNames,
+ OutputTag outputTag) {
- if (virtualSelectNodes.containsKey(upStreamVertexID)) {
+ if (virtualOutputNodes.containsKey(upStreamVertexID)) {
+ int virtualId = upStreamVertexID;
+ upStreamVertexID = virtualOutputNodes.get(virtualId).f0;
+ if (outputTag == null) {
+ // selections that happen downstream override
earlier selections
--- End diff --
I think the comment is a leftover from copying this code from split/select.
For side outputs it can't happen that you have multiple "selects" after one
another. Will remove the comment. What do you think?
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