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https://issues.apache.org/jira/browse/FLINK-21041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he reassigned FLINK-21041:
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Assignee: godfrey he
> Introduce ExecNodeGraph to wrap the ExecNode topology
> -----------------------------------------------------
>
> Key: FLINK-21041
> URL: https://issues.apache.org/jira/browse/FLINK-21041
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Fix For: 1.13.0
>
>
> Currently, we use {{List<ExecNode<?>}} to represent the {{ExecNode}}
> topology, as we will introduce more features (such as serialize/deserialize
> {{ExecNode}}s), It's better we can introduce an unified class to represent
> the topology.
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