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https://issues.apache.org/jira/browse/FLINK-25439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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HunterHunter updated FLINK-25439:
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    Attachment:     (was: image-2021-12-24-10-54-15-541.png)

> StreamExecCalc collect new StreamRecord to Downstream lost timestamp 
> Attributes
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-25439
>                 URL: https://issues.apache.org/jira/browse/FLINK-25439
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>            Reporter: HunterHunter
>            Priority: Major
>         Attachments: image-2021-12-24-10-57-01-479.png
>
>
> When we read data from kafkasource, we can see in SourceReaderBase.pollNext 
> that the record has a timestamp attribute, but after StreamExecCalc the 
> downstream receives the streamrecord and the timestamp attribute is missing
>  



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