[jira] [Closed] (FLINK-25923) Add tests for native savepoint format schema evolution

["Dawid Wysakowicz (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-25923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dawid Wysakowicz closed FLINK-25923.
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    Resolution: Won't Do

Schema evolution is implemented by the {{TypeSerializer}} stack, which is thoroughly tested. At the same time it is independent from the {{NATIVE/CANONICAL}} savepoint format.

Theoretically we could test if a snapshot uses the {{TypeSerializer}} stack. However we think this 1) has low added value to our test coverage, 2) should've been already covered by each state backend separately.

As a result, we think there is no need for a dedicated test in runtime/streaming-runtime.

> Add tests for native savepoint format schema evolution
> ------------------------------------------------------
>
>                 Key: FLINK-25923
>                 URL: https://issues.apache.org/jira/browse/FLINK-25923
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Checkpointing
>            Reporter: Dawid Wysakowicz
>            Priority: Major
>
> Check test coverage for:
>     Schema evolution
> https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/dev/datastream/fault-tolerance/serialization/schema_evolution/



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