[GitHub] flink pull request #5230: [FLINK-8345] Add iterator of keyed state on broadc...

[aljoscha <gi...@git.apache.org>]

Github user aljoscha commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5230#discussion_r165388777
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/state/OperatorBackendSerializationProxy.java ---
    @@ -77,16 +90,33 @@ public void read(DataInputView in) throws IOException {
     		super.read(in);
     
     		int numKvStates = in.readShort();
    -		stateMetaInfoSnapshots = new ArrayList<>(numKvStates);
    +		operatorStateMetaInfoSnapshots = new ArrayList<>(numKvStates);
     		for (int i = 0; i < numKvStates; i++) {
    -			stateMetaInfoSnapshots.add(
    -				OperatorBackendStateMetaInfoSnapshotReaderWriters
    -					.getReaderForVersion(getReadVersion(), userCodeClassLoader)
    -					.readStateMetaInfo(in));
    +			operatorStateMetaInfoSnapshots.add(
    +					OperatorBackendStateMetaInfoSnapshotReaderWriters
    +							.getOperatorStateReaderForVersion(getReadVersion(), userCodeClassLoader)
    +							.readOperatorStateMetaInfo(in));
     		}
    +
    +		if (VERSION >= 3) {
    --- End diff --
    
    Wouldn't this always depend on the version of the code and not the version of the snapshot? That is, if we restore from a `VERSION < 3` snapshot we should not go into this code path.
    
    I think here you can get that via `getReadVersion()`.


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