Jess668 commented on code in PR #22666:
URL: https://github.com/apache/kafka/pull/22666#discussion_r3529882720
##########
streams/src/main/java/org/apache/kafka/streams/state/internals/MeteredTimestampedKeyValueStoreWithHeaders.java:
##########
@@ -381,6 +385,70 @@ private <R> QueryResult<R> runTimestampedKeyQuery(
return result;
}
+ @SuppressWarnings("unchecked")
+ private <R> QueryResult<R> runTimestampedKeyWithHeadersQuery(
+ final Query<R> query,
+ final PositionBound positionBound,
+ final QueryConfig config
+ ) {
+ final QueryResult<R> result;
+ final TimestampedKeyWithHeadersQuery<K, V> typedKeyQuery =
(TimestampedKeyWithHeadersQuery<K, V>) query;
+
+ // Forward a raw byte-level KeyQuery to the wrapped store, propagating
skipCache so the caching
+ // layer can honor it; the result bytes are the serialized
ValueTimestampHeaders, which we
+ // deserialize below to recover value, timestamp, and headers.
+ KeyQuery<Bytes, byte[]> rawKeyQuery =
KeyQuery.withKey(serializeKey(typedKeyQuery.key(), internalContext.headers()));
+ if (typedKeyQuery.isSkipCache()) {
Review Comment:
[KAFKA-20776](https://issues.apache.org/jira/browse/KAFKA-20776)
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