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https://issues.apache.org/jira/browse/FLINK-14099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932402#comment-16932402
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Jark Wu commented on FLINK-14099:
---------------------------------

I agree with [~felixzheng]. I think computed column is a good solution. My 
concerns for supporting Long rowtime are:
1) the long value is ambiguity (from epoch time or others? in millisecond or 
second?)
2) we have to support Long parameter for TUMBLE, HOP, and SESSION window 
function.

> SQL supports timestamp in Long
> ------------------------------
>
>                 Key: FLINK-14099
>                 URL: https://issues.apache.org/jira/browse/FLINK-14099
>             Project: Flink
>          Issue Type: New Feature
>            Reporter: Zijie Lu
>            Priority: Major
>
> The rowtime only supports sql timestamp but not long. Can the rowtime field 
> supports long?



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