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https://issues.apache.org/jira/browse/SPARK-47960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim reassigned SPARK-47960:
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Assignee: Bhuwan Sahni
> Support Chaining Stateful Operators in TransformWithState
> ---------------------------------------------------------
>
> Key: SPARK-47960
> URL: https://issues.apache.org/jira/browse/SPARK-47960
> Project: Spark
> Issue Type: New Feature
> Components: Structured Streaming
> Affects Versions: 4.0.0
> Reporter: Bhuwan Sahni
> Assignee: Bhuwan Sahni
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> This issue tracks adding support to chain stateful operators after the
> Arbitrary State API, transformWithState. In order to support chaining, we
> need to allow the user to specify the new eventTimeColumn in the output from
> StatefulProcessor. Any watermark evaluation expressions downstream after
> transformWithState would use the user specified eventTimeColumn.
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