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https://issues.apache.org/jira/browse/FLINK-6697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16036840#comment-16036840
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Jark Wu commented on FLINK-6697:
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Hi [~twalthr], do you think 'w.rowtime should be supported in batch table ?
Currently, it is not supported.
I think we can support it.
> Add batch multi-window support
> ------------------------------
>
> Key: FLINK-6697
> URL: https://issues.apache.org/jira/browse/FLINK-6697
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.3.0
> Reporter: Timo Walther
>
> Multiple consecutive windows on batch are not tested yet and I think they are
> also not supported, because the syntax is not defined for batch yet.
> The following should be supported:
> {code}
> val t = table
> .window(Tumble over 2.millis on 'rowtime as 'w)
> .groupBy('w)
> .select('w.rowtime as 'rowtime, 'int.count as 'int)
> .window(Tumble over 4.millis on 'rowtime as 'w2)
> .groupBy('w2)
> .select('w2.rowtime, 'w2.end, 'int.count)
> {code}
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