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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/01/28 20:01:48 UTC
[GitHub] igalshilman opened a new pull request #7590: [FLINK-11329][core]
Migrating CompositeSerializers
igalshilman opened a new pull request #7590: [FLINK-11329][core] Migrating CompositeSerializers
URL: https://github.com/apache/flink/pull/7590
## What is the purpose of the change
This PR migrates the following serializers to the new `TypeSerializerSnapshot` abstraction:
- ScalaOptionSerializer 4e1a755392
- StreamElementSerializer 9a0ddc1c28
- BufferEntrySerializer 9a56f43386
- UnionSerializer 317e6b863a
- RowSerializer 3a1a86799e
- NullableSerializer d93ff8a3a9
- CompositeSerializer ce253636d7
## Brief change log
Each commit migrates a single serializer's `TypeSerializerConfigSnapshot` to the new `TypeSerializerSnapsoht`.
## Verifying this change
Each migrated serializer has an associated `StateMigrationTest` that verifies snapshot backwards compatibility with previous versions.
## 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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