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https://issues.apache.org/jira/browse/FLINK-19727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17220447#comment-17220447
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Jingsong Lee commented on FLINK-19727:
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Assigned to you. [~neighborhood]
It should be noted that when processing the sink that receives the upsert data,
when the parallelism is different, we need to keyBy according to the key.
> Implement ParallelismProvider for sink in blink planner
> -------------------------------------------------------
>
> Key: FLINK-19727
> URL: https://issues.apache.org/jira/browse/FLINK-19727
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Priority: Major
>
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