dawidwys opened a new pull request #7562: [FLINK-11329][core] Migrate CRowSerializerConfigSnapshot to new TypeSerializerSnapshot interface URL: https://github.com/apache/flink/pull/7562 ## What is the purpose of the change This PR migrates `CRowSerializerConfigSnapshot` to the new `TypeSerializerSnapshot` interface. As a side note `CRowSerializer` is not supposed to be used for persisting state, therefore there is actually no backwards compatibility. Moreover the java serialization compatibility was broken at least twice before already in flink 1.6 and 1.7. Long term goal is to remove this serializer completely. ## Brief change log - Added `CRowSerializerSnapshot` - Delegate resolving compatibility from `CRowSerializerConfigSnapshot` to `CRowSerializerSnapshot` ## Verifying this change * Tests in `CRowSerializerTest` should still pass. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (**yes** / no / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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