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https://issues.apache.org/jira/browse/FLINK-5624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853088#comment-15853088
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Haohui Mai commented on FLINK-5624:
-----------------------------------
Support group by via rowtime makes sense. From a semantic point of view, do you
see any differences between the approach of specifying the window using the
{{OVER}} clause versus doing it through {{GROUP BY}}? Do you plan to support
both?
bq. We would also need to find a way to reference the `rowtime`.
+1. I think implementing a built-in function will make a lot of sense.
> Support tumbling window on streaming tables in the SQL API
> ----------------------------------------------------------
>
> Key: FLINK-5624
> URL: https://issues.apache.org/jira/browse/FLINK-5624
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: Haohui Mai
> Assignee: Haohui Mai
>
> This is a follow up of FLINK-4691.
> FLINK-4691 adds supports for group-windows for streaming tables. This jira
> proposes to expose the functionality in the SQL layer via the {{GROUP BY}}
> clauses, as described in
> http://calcite.apache.org/docs/stream.html#tumbling-windows.
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