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