godfrey he created FLINK-21730:
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Summary: Introduce ExecNodeTranslator
Key: FLINK-21730
URL: https://issues.apache.org/jira/browse/FLINK-21730
Project: Flink
Issue Type: Sub-task
Components: Table SQL / Planner
Reporter: godfrey he
Fix For: 1.13.0
An ExecNodeTranslator is responsible for translating an ExecNode to Flink
operator, it has two sub-classes now: SingleTransformationTranslator and
MultipleTransformationTranslator. For SingleTransformationTranslator, we can
set some info (such as parallelism) to the Transformation in the base class and
will reduce many duplicate code
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