Myasuka commented on code in PR #21362:
URL: https://github.com/apache/flink/pull/21362#discussion_r1033158877


##########
flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/InternalKeyContextImpl.java:
##########
@@ -72,6 +73,10 @@ public void setCurrentKey(@Nonnull K currentKey) {
 
     @Override
     public void setCurrentKeyGroupIndex(int currentKeyGroupIndex) {
+        if (!keyGroupRange.contains(currentKeyGroupIndex)) {
+            throw KeyGroupRangeOffsets.newIllegalKeyGroupException(
+                    currentKeyGroupIndex, keyGroupRange);
+        }

Review Comment:
   I'm afraid that we cannot avoid the check on accessing state as users might 
provide a non-deterministic hashCode for the current key.



-- 
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.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]

Reply via email to