masteryhx commented on code in PR #19679:
URL: https://github.com/apache/flink/pull/19679#discussion_r934218899
##########
flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapKeyedStateBackend.java:
##########
@@ -163,6 +169,34 @@ KeyGroupedInternalPriorityQueue<T> create(
return priorityQueuesManager.createOrUpdate(stateName,
byteOrderedElementSerializer);
}
+ @Override
+ public <N, SV, SEV, S extends State, IS extends S> IS upgradeKeyedState(
+ TypeSerializer<N> namespaceSerializer,
+ StateDescriptor<S, SV> stateDescriptor,
+ @Nonnull StateSnapshotTransformFactory<SEV>
snapshotTransformFactory)
+ throws Exception {
+ IS state =
+ createInternalState(namespaceSerializer, stateDescriptor,
snapshotTransformFactory);
+ // rebuild metaInfo which created from previous snapshot to make it
can continue to migrate
Review Comment:
I have added the comment into the
`RegisteredStateMetaInfoBase#withSerializerUpgradesAllowed` which will be used
in `createInternalState` and `create`.
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