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https://issues.apache.org/jira/browse/SPARK-39586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boyang Jerry Peng updated SPARK-39586:
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Summary: Advanced Windowing in Structured Streaming (was: Advanced
Windowing)
> Advanced Windowing in Structured Streaming
> ------------------------------------------
>
> Key: SPARK-39586
> URL: https://issues.apache.org/jira/browse/SPARK-39586
> Project: Spark
> Issue Type: New Feature
> Components: Structured Streaming
> Affects Versions: 3.3.0
> Reporter: Boyang Jerry Peng
> Priority: Major
>
> Currently in Structure Streaming there does not exist a user friendly method
> to define custom windowing strategies. Users can only choose from an existing
> set of built-in window strategies such tumbling, sliding, session windows.
> To improve flexibility of the engine and to support more advanced use cases,
> Structured Streaming needs to provide an intuitive API that allows users to
> define custom window boundaries, to trigger windows when they are complete,
> and, if necessary, evict elements from windows.
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