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Posted to issues@flink.apache.org by "liuml07 (via GitHub)" <gi...@apache.org> on 2026/05/12 23:14:15 UTC

[PR] [FLINK-39672][docs] Document Java records as supported POJO types [flink]

liuml07 opened a new pull request, #28149:
URL: https://github.com/apache/flink/pull/28149

   ## What is the purpose of the change
   
   Java records have been supported as POJO types since Flink 1.19 (FLINK-32380), but the only doc mention lived on the release-1.20 java_compatibility page and was inadvertently removed on master by FLINK-37339.
   
   ## Brief change log
   
   - Restores the FLINK-32380 reference under "Java 17" in java_compatibility.md and notes that records are handled as POJO types serialized via their canonical constructor.
   - Adds a note in both POJO listings in types_serialization.md that a public record class is serialized by PojoSerializer; the no-argument constructor and getter/setter requirements do not apply.
   - Mentions in schema_evolution.md that records follow the same POJO schema evolution rules.
   
   Parallel updates in docs/content.zh.
   
   ## Verifying this change
   
   Doc-only change.
   
   ## 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, Kubernetes/Yarn, 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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   Generated-by: Claude Opus 4.7


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Re: [PR] [FLINK-39672][docs] Document Java records as supported POJO types [flink]

Posted by "liuml07 (via GitHub)" <gi...@apache.org>.
liuml07 commented on PR #28149:
URL: https://github.com/apache/flink/pull/28149#issuecomment-4435597264

   Could you help take a look, @XComp


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Re: [PR] [FLINK-39672][docs] Document Java records as supported POJO types [flink]

Posted by "flinkbot (via GitHub)" <gi...@apache.org>.
flinkbot commented on PR #28149:
URL: https://github.com/apache/flink/pull/28149#issuecomment-4435637027

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   ## CI report:
   
   * 2cae535b6be15194be10d5547a884a3526885391 UNKNOWN
   
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Re: [PR] [FLINK-39672][docs] Document Java records as supported POJO types [flink]

Posted by "leonardBang (via GitHub)" <gi...@apache.org>.
leonardBang merged PR #28149:
URL: https://github.com/apache/flink/pull/28149


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