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https://issues.apache.org/jira/browse/FLINK-5979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926606#comment-15926606
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ASF GitHub Bot commented on FLINK-5979:
---------------------------------------
Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/3483#discussion_r106133243
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/AbstractHeapMergingState.java
---
@@ -47,77 +44,62 @@
/**
* Creates a new key/value state for the given hash map of key/value
pairs.
*
- * @param backend The state backend backing that created this state.
* @param stateDesc The state identifier for the state. This contains
name
* and can create a default state value.
* @param stateTable The state tab;e to use in this kev/value state.
May contain initial state.
*/
protected AbstractHeapMergingState(
- KeyedStateBackend<K> backend,
SD stateDesc,
StateTable<K, N, SV> stateTable,
TypeSerializer<K> keySerializer,
TypeSerializer<N> namespaceSerializer) {
- super(backend, stateDesc, stateTable, keySerializer,
namespaceSerializer);
+ super(stateDesc, stateTable, keySerializer,
namespaceSerializer);
+ this.mergeTransformation = new MergeTransformation();
}
+ private final MergeTransformation mergeTransformation;
--- End diff --
Curious placement of field. 😉
> Backwards compatibility for HeapKeyedStateBackend serialization format (1.2
> -> 1.3)
> -----------------------------------------------------------------------------------
>
> Key: FLINK-5979
> URL: https://issues.apache.org/jira/browse/FLINK-5979
> Project: Flink
> Issue Type: New Feature
> Components: State Backends, Checkpointing
> Affects Versions: 1.3.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Fix For: 1.3.0
>
>
> Changes in {{HeapKeyedStateBackend}} for Flink 1.3 have triggered a change of
> the serialization format. This issue tracks the backwards compatibility story
> between the format in 1.2 and 1.3.
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