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https://issues.apache.org/jira/browse/FLINK-20513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-20513:
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Fix Version/s: 1.12.0
> Separate the implementation of BatchExecExchange and StreamExecExchange
> -----------------------------------------------------------------------
>
> Key: FLINK-20513
> URL: https://issues.apache.org/jira/browse/FLINK-20513
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> The issue will separate the implementation of {{Batch(/Stream)ExecExchange}},
> we will introduce Batch(/Stream)PhysicalExchange which only extends from
> {{FlinkPhysicalRel}} , and describes the physical info of {{Exchange}}.
> Meanwhile, {{BatchExecExchange}} will be moved into `nodes.exec.batch`
> package and will implement ExecNode for Exchange, so do it for
> {{StreamExecExchange}}.
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