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Posted to issues@flink.apache.org by "wangpeibin (Jira)" <ji...@apache.org> on 2021/01/29 11:59:00 UTC

[jira] [Updated] (FLINK-21203) Don’t collect -U&+U Row When they are equals In the LastRowFunction

     [ https://issues.apache.org/jira/browse/FLINK-21203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

wangpeibin updated FLINK-21203:
-------------------------------
    Description: 
In the  LastRowFunction , the -U&+U Row will be collect 

Even if they are the same, which will  increase calculation pressure of the next Operator.

 

>  Don’t collect -U&+U Row When they are equals In the LastRowFunction 
> ---------------------------------------------------------------------
>
>                 Key: FLINK-21203
>                 URL: https://issues.apache.org/jira/browse/FLINK-21203
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Runtime
>            Reporter: wangpeibin
>            Priority: Major
>
> In the  LastRowFunction , the -U&+U Row will be collect 
> Even if they are the same, which will  increase calculation pressure of the next Operator.
>  



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