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https://issues.apache.org/jira/browse/FLINK-20436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-20436:
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Description: Currently, {{ExecNode#translateToPlan}} takes {{BatchPlanner}}
or {{StreamPlanner}} as a parameter, so {{ExecNode}} has a type parameter {{E
<: Planner}}, which indicates the node is a batch node or a streaming node.
While in the future, a plan may contain both batch nodes and stream node. The
type parameter can be removed, the implementation base class can cast the
planner to expected planner.
> Simplify type parameter of ExecNod
> ----------------------------------
>
> Key: FLINK-20436
> URL: https://issues.apache.org/jira/browse/FLINK-20436
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
>
> Currently, {{ExecNode#translateToPlan}} takes {{BatchPlanner}} or
> {{StreamPlanner}} as a parameter, so {{ExecNode}} has a type parameter {{E <:
> Planner}}, which indicates the node is a batch node or a streaming node.
> While in the future, a plan may contain both batch nodes and stream node. The
> type parameter can be removed, the implementation base class can cast the
> planner to expected planner.
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