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https://issues.apache.org/jira/browse/FLINK-8293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323595#comment-17323595
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Flink Jira Bot commented on FLINK-8293:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Rework Flink's type and serialization docs
> ------------------------------------------
>
> Key: FLINK-8293
> URL: https://issues.apache.org/jira/browse/FLINK-8293
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System, Documentation
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: stale-assigned
>
> The documentation about Flink's type and serialization system hasn't been
> updated for a while and there are a lot of users (especially beginners) that
> have problems with defining types for inputs, functions, state etc. We should
> rework the documentation a little bit to solve things like:
> Type related things:
> {code}
> "Document all data types.
> What TypeInfo is available? What are the limitation? Encourage TypeHints?
> returns()? Link to new Types class. How to declare a valid case class in
> Scala.
> Look into log if type is no POJO type (e.g. when using org.json4s)
> ResultTypeQueryable documentation
> Case classes and Tuples do not support null!
> Subtypes of POJOs are handled during runtime or via cache and registerType()
> Explain all methods in ExecutionConfig.
> Compatibility guarantees.
> Pojos must have a void setter. Why are we so strict?
> Update docs in api_concepts about types (Avro is not used for POJOs)!"
> {code}
> Serialization related things:
> {code}
> "Serialization overview. Big picture (what is serialized, how, why, where,
> when?).
> When/why should I register a type or a subtype -- what does that do?
> Link to ""Streaming/Working with State/Custom Serialization for Managed
> State""."
> {code}
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