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https://issues.apache.org/jira/browse/FLINK-24024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17752063#comment-17752063
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Timo Walther commented on FLINK-24024:
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Thanks for the background information [~Sergey Nuyanzin]. I also don't fully
understand the code in SqlToRelConverter but I guess after some investigation
we can figure out this part. If you identify some major blocker from the
Calcite side, let me know. Would be great to come up with some early hacky
prototype. We can then iterate to finally deprecate the old window syntax with
a replacement.
> Support session Window TVF
> ---------------------------
>
> Key: FLINK-24024
> URL: https://issues.apache.org/jira/browse/FLINK-24024
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Jing Zhang
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available, stale-assigned
>
>
> # Fix calcite syntax CALCITE-4337
> # Introduce session window TVF in Flink
>
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