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https://issues.apache.org/jira/browse/FLINK-20513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17250094#comment-17250094
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godfrey he edited comment on FLINK-20513 at 12/18/20, 8:31 AM:
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Fix in 1.12: dca86b86..24d60659
was (Author: godfreyhe):
master: dca86b86..24d60659
> 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
>
> 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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