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https://issues.apache.org/jira/browse/FLINK-11074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711388#comment-16711388
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ASF GitHub Bot commented on FLINK-11074:
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dianfu opened a new pull request #7253: [FLINK-11074] [table][tests] Enable
harness tests with RocksdbStateBackend and add harness tests for
CollectAggFunction
URL: https://github.com/apache/flink/pull/7253
## What is the purpose of the change
*This pull request enables the harness tests to test with
RocksdbStateBackend and adds harness test for CollectAggFunction*
## Brief change log
- *Adds AggFunctionHarnessTest*
- *Fix an issue in CollectAggFunction*
## Verifying this change
- *Added tests in AggFunctionHarnessTest*
## 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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> Improve the harness test to make it possible test with state backend
> --------------------------------------------------------------------
>
> Key: FLINK-11074
> URL: https://issues.apache.org/jira/browse/FLINK-11074
> Project: Flink
> Issue Type: Test
> Components: Table API & SQL
> Reporter: Dian Fu
> Assignee: Dian Fu
> Priority: Major
> Labels: pull-request-available
>
> Currently, the harness test can only test without state backend. If you use a
> DataView in the accumulator of the aggregate function, the DataView is a java
> object and held in heap, not replaced with StateMapView/StateListView which
> values are actually held in the state backend. We should improve the harness
> test to make it possible to test with state backend. Otherwise, issues such
> as FLINK-10674 could have never been found. With this harness test available,
> we could test the built-in aggregate functions which use the DataView more
> fine grained.
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