spena commented on a change in pull request #10462:
URL: https://github.com/apache/kafka/pull/10462#discussion_r610891116
##########
File path:
streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamImplJoin.java
##########
@@ -118,20 +132,40 @@
final ProcessorGraphNode<K1, V2> otherWindowedStreamsNode = new
ProcessorGraphNode<>(otherWindowStreamProcessorName,
otherWindowStreamProcessorParams);
builder.addGraphNode(otherGraphNode, otherWindowedStreamsNode);
+ Optional<StoreBuilder<WindowStore<KeyAndJoinSide<K1>,
ValueOrOtherValue<V1, V2>>>> outerJoinWindowStore = Optional.empty();
+ if (leftOuter || rightOuter) {
+ final String outerJoinSuffix = "-shared-outer-join-store";
+ final String outerJoinStoreGeneratedName =
builder.newProcessorName(KStreamImpl.OUTERSHARED_NAME);
+ final String outerJoinStoreName = userProvidedBaseStoreName ==
null ? outerJoinStoreGeneratedName : userProvidedBaseStoreName +
outerJoinSuffix;
+
+ outerJoinWindowStore =
Optional.of(outerJoinWindowStoreBuilder(outerJoinStoreName, windows,
streamJoinedInternal));
+ }
+
+ // Time shared between joins to keep track of the maximum stream time
Review comment:
Done
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