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https://issues.apache.org/jira/browse/FLINK-5041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15725647#comment-15725647
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ASF GitHub Bot commented on FLINK-5041:
---------------------------------------
Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2781#discussion_r91085218
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapKeyedStateBackend.java
---
@@ -346,4 +359,130 @@ public String toString() {
return "HeapKeyedStateBackend";
}
+ /**
+ * REMOVE
+ */
+ @Internal
+ @Deprecated
+ public Map<String, StateTable<K, ?, ?>> getStateTables() {
+ return stateTables;
+ }
+
+ @Deprecated
+ private void restoreOldSavepointKeyedState(
+ Collection<KeyGroupsStateHandle> stateHandles) throws
IOException, ClassNotFoundException {
+
+ if (stateHandles.isEmpty()) {
+ return;
+ }
+
+ HashMap<String, KvStateSnapshot<K, ?, ?, ?>> namedStates =
--- End diff --
Sanity check that the collection contains no more than one element.
> Implement savepoint backwards compatibility 1.1 -> 1.2
> ------------------------------------------------------
>
> Key: FLINK-5041
> URL: https://issues.apache.org/jira/browse/FLINK-5041
> Project: Flink
> Issue Type: New Feature
> Components: State Backends, Checkpointing
> Affects Versions: 1.2.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> This issue tracks the implementation of backwards compatibility between Flink
> 1.1 and 1.2 releases.
> This task subsumes:
> - Converting old savepoints to new savepoints, including a conversion of
> state handles to their new replacement.
> - Converting keyed state from old backend implementations to their new
> counterparts.
> - Converting operator and function state for all changed operators.
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