lct45 commented on a change in pull request #9157:
URL: https://github.com/apache/kafka/pull/9157#discussion_r476531745
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File path:
streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamSlidingWindowAggregate.java
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@@ -211,6 +217,67 @@ public void processInOrder(final K key, final V value,
final long timestamp) {
}
}
+ /**
+ * Created to handle records that have a timestamp > 0 but <
timeDifference. These records would create
+ * windows with negative start times, which is not supported. Instead,
they will fall within the [0, timeDifference]
+ * window, and we will update their right windows as new records come
in later
+ */
+ private void processEarly(final K key, final V value, final long
timestamp, final long closeTime) {
+ ValueAndTimestamp<Agg> rightWinAgg = null;
+ KeyValue<Windowed<K>, ValueAndTimestamp<Agg>> combinedWindow =
null;
+ boolean rightWinAlreadyCreated = false;
+ final HashSet<Long> windowStartTimes = new HashSet<Long>();
+
+ try (
+ final KeyValueIterator<Windowed<K>,
ValueAndTimestamp<Agg>> iterator = windowStore.fetch(
+ key,
+ key,
+ timestamp - 2 * windows.timeDifferenceMs(),
Review comment:
Same as above, it seems like it still works as expected
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