Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4665#discussion_r139911220
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/operators/windowing/WindowOperator.java
---
@@ -405,6 +411,8 @@ public void merge(W mergeResult,
// windowAssigner is event time and current timestamp + allowed
lateness no less than element timestamp
if (isSkippedElement && lateDataOutputTag != null &&
isElementLate(element)) {
sideOutput(element);
+ } else if (isSkippedElement) {
--- End diff --
Or we can just check if `isElementLate(element)`, that's what it is there
for. ð
---
