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https://issues.apache.org/jira/browse/FLINK-10583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16653601#comment-16653601
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ASF GitHub Bot commented on FLINK-10583:
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kl0u opened a new pull request #6871: [FLINK-10583][table] Add base
TwoInputStreamOperator with TTL operator.
URL: https://github.com/apache/flink/pull/6871
## What is the purpose of the change
This is the first step for the implementation of FLINK-10583 and FLINK-10584.
It introduces the `AbstractTwoInputStreamOperatorWithTTL` which contains the
basic functionality for implementing state TTL based on timers.
This operator makes sure that:
1) only at most one timer is registered per key
2) both "sides" of the operator (processElement1 and processElement2) are
treated equally when it comes to registering cleanup timers.
## Verifying this change
Added the `AbstractTwoInputStreamOperatorWithTTLTest` with tests for the
class.
## 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, Yarn/Mesos, 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)
R @pnowojski
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> Add support for state retention to the Processing Time versioned joins.
> -----------------------------------------------------------------------
>
> Key: FLINK-10583
> URL: https://issues.apache.org/jira/browse/FLINK-10583
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Affects Versions: 1.7.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
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