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https://issues.apache.org/jira/browse/FLINK-23031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365545#comment-17365545
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Aitozi commented on FLINK-23031:
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[~jark] I think we can avoid to register new timer in
AfterFirstElementPeriodic#onProcessingTime callback which behavior like
self-driven and then clear the keyed timer state after triggered. Then next
same key data comes, it can register new delay timer to trigger.
> Support to emit window result with periodic or non_periodic
> -----------------------------------------------------------
>
> Key: FLINK-23031
> URL: https://issues.apache.org/jira/browse/FLINK-23031
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Reporter: Aitozi
> Priority: Major
>
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