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https://issues.apache.org/jira/browse/FLINK-7209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16709683#comment-16709683
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ASF GitHub Bot commented on FLINK-7209:
---------------------------------------
dianfu opened a new pull request #7237: [FLINK-7209] [table] Support DataView
in Tuple and Case Class as the ACC type of AggregateFunction
URL: https://github.com/apache/flink/pull/7237
## What is the purpose of the change
*This pull request adds support of DataView in Tuple and Case Class as the
accumulator type of AggregateFunction*
## Brief change log
- *Updates UserDefinedFunctionUtils#removeStateViewFieldsFromAccTypeInfo
to process TupleTypeInfo and CaseClassTypeInfo for DataView*
- *Updates MapViewTypeInfo and ListViewTypeInfo to use NullSerializer for
serialization when state backend is used*
## Verifying this change
This change added tests and can be verified as follows:
- *Updated tests of AggregateITCase#testGroupAggregateWithStateBackend*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
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> Support DataView in Java and Scala Tuples and case classes or as the
> accumulator of AggregateFunction itself
> ------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-7209
> URL: https://issues.apache.org/jira/browse/FLINK-7209
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: kaibo.zhou
> Assignee: Dian Fu
> Priority: Major
> Labels: pull-request-available
>
> Support DataView in Java and Scala Tuples and case classes or as the
> accumulator of AggregateFunction itself.
> e.g.
> {code}
> public class MyAgg extends AggregateFunction<String, Tuple2<String, MapView>>
> {code}
> or
> {code}
> case class MyAcc(str: String, map: MapView)
> {code}
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