big-andy-coates commented on a change in pull request #9156: URL: https://github.com/apache/kafka/pull/9156#discussion_r487060524
########## File path: streams/src/test/java/org/apache/kafka/streams/kstream/internals/KTableFilterTest.java ########## @@ -295,12 +295,39 @@ public void shouldNotSendOldValuesOnMaterialization() { doTestNotSendingOldValue(builder, table1, table2, topic1); } + @Test + public void shouldNotSendOldValuesWithoutMaterializationIfOptionallyRequested() { + final StreamsBuilder builder = new StreamsBuilder(); + final String topic1 = "topic1"; + + final KTableImpl<String, Integer, Integer> table1 = + (KTableImpl<String, Integer, Integer>) builder.table(topic1, consumed); + final KTableImpl<String, Integer, Integer> table2 = (KTableImpl<String, Integer, Integer>) table1.filter(predicate); + + table2.enableSendingOldValues(true); Review comment: See [my comment above](https://github.com/apache/kafka/pull/9156#discussion_r487057805) ---------------------------------------------------------------- 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