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https://issues.apache.org/jira/browse/FLINK-10451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16630193#comment-16630193
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ASF GitHub Bot commented on FLINK-10451:
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Xpray opened a new pull request #6771: [FLINK-10451] [table]
TableFunctionCollector should handle the life cycle of ScalarFunction
URL: https://github.com/apache/flink/pull/6771
## What is the purpose of the change
TableFunctionCollector should handle the life cycle of ScalarFunction
## Brief change log
* Make `TableFunctionCollector` extends `AbstractRichFunction`
* do open() and close()
## Verifying this change
This change added tests and can be verified as follows:
*
`org.apache.flink.table.runtime.batch.table.CorrelateITCase#testTableFunctionWithFilterInside`
*
`org.apache.flink.table.runtime.stream.table.CorrelateITCase#testTableFunctionWithFilterInside`
## 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 documented
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> TableFunctionCollector should handle the life cycle of ScalarFunction
> ---------------------------------------------------------------------
>
> Key: FLINK-10451
> URL: https://issues.apache.org/jira/browse/FLINK-10451
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: Ruidong Li
> Assignee: Ruidong Li
> Priority: Major
> Labels: pull-request-available
>
> Considering the following query:
> table.join(udtf('a)).where(udf('b))
> the filter will be pushed into DataSetCorrelate/DataStreamCorrelate without
> triggering open() and close()
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