mjsax commented on a change in pull request #10462:
URL: https://github.com/apache/kafka/pull/10462#discussion_r614537097
##########
File path:
streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamKStreamJoin.java
##########
@@ -93,23 +136,118 @@ public void process(final K key, final V1 value) {
}
boolean needOuterJoin = outer;
+ boolean joinFound = false;
final long inputRecordTimestamp = context().timestamp();
final long timeFrom = Math.max(0L, inputRecordTimestamp -
joinBeforeMs);
final long timeTo = Math.max(0L, inputRecordTimestamp +
joinAfterMs);
+ maxObservedStreamTime.advance(inputRecordTimestamp);
+
try (final WindowStoreIterator<V2> iter = otherWindow.fetch(key,
timeFrom, timeTo)) {
while (iter.hasNext()) {
needOuterJoin = false;
+ joinFound = true;
final KeyValue<Long, V2> otherRecord = iter.next();
+ final long otherRecordTimestamp = otherRecord.key;
Review comment:
Yes, it a bug in the current implementation...
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