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https://issues.apache.org/jira/browse/FLINK-17767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165396#comment-17165396
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hailong wang commented on FLINK-17767:
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Hi [~jark] , what do you think which type of window offset may be better,
SqlTypeFamily.TIME or SqlTypeFamily.DATETIME_INTERVAL? Calcite has a window
table function with offset of DATETIME_INTERVAL[1].
[1]https://issues.apache.org/jira/browse/CALCITE-4000
> 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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