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https://issues.apache.org/jira/browse/FLINK-17767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165451#comment-17165451
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Jark Wu commented on FLINK-17767:
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CALCITE-4000 is for the TUMBLE TVF, not the TUMBLE window group function.
AFAIK, the offset type in TUMBLE window group function is time type. For
example: {{group by tumble(rowtime, interval '2' hour, time '00:12:00')}}.
cc [~danny0405]
> Tumble and Hop window support offset
> ------------------------------------
>
> Key: FLINK-17767
> URL: https://issues.apache.org/jira/browse/FLINK-17767
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.10.0
> Reporter: hailong wang
> Assignee: hailong wang
> Priority: Major
> Fix For: 1.12.0
>
>
> TUMBLE window and HOP window with alignment is not supported yet. We can
> support by
> (<DATETIME>, <DATETIME_INTERVAL>, <TIME>)
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