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https://issues.apache.org/jira/browse/FLINK-23031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365494#comment-17365494
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Jark Wu commented on FLINK-23031:
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[~aitozi] what do you mean about "non_periodic"? We have to register the timer
because we don't know whether there will be data coming or not.
> 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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