Myasuka commented on a change in pull request #18741:
URL: https://github.com/apache/flink/pull/18741#discussion_r805603444
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/changelog/ChangelogStateBackendHandle.java
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@@ -237,6 +237,23 @@ public FSDataInputStream openInputStream() throws
IOException {
public Optional<byte[]> asBytesIfInMemory() {
throw new UnsupportedOperationException("Should not call
here.");
}
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ StreamStateHandleWrapper that = (StreamStateHandleWrapper) o;
+ return Objects.equals(keyedStateHandle, that.keyedStateHandle);
Review comment:
The `PlaceholderStreamStateHandle` itself is not the materialized keyed
state handle, but part of it. Actually, I did not understand in what case will
we have two or more materializations, in the case of restoring?
Or in other words, what test will fail if do not compare the state handle id?
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