lct45 commented on a change in pull request #9157: URL: https://github.com/apache/kafka/pull/9157#discussion_r483715845
########## File path: streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamSlidingWindowAggregate.java ########## @@ -228,13 +345,8 @@ private void putAndForward(final Window window, if (windowEnd > closeTime) { //get aggregate from existing window final Agg oldAgg = getValueOrNull(valueAndTime); - final Agg newAgg; - // keep old aggregate if adding a right window, else add new record's value - if (windowStart == timestamp + 1) { - newAgg = oldAgg; - } else { - newAgg = aggregator.apply(key, value, oldAgg); - } + final Agg newAgg = aggregator.apply(key, value, oldAgg); Review comment: I think it might've gotten pulled over when updating from the original PR ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org