[jira] [Created] (FLINK-11790) Introduce basic Flink RelNode interface

[Shang Yuanchun (Jira)]

godfrey he created FLINK-11790:
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             Summary: Introduce basic Flink RelNode interface
                 Key: FLINK-11790
                 URL: https://issues.apache.org/jira/browse/FLINK-11790
             Project: Flink
          Issue Type: New Feature
          Components: API / Table SQL
            Reporter: godfrey he
            Assignee: godfrey he


Flink RelNode inheritance structure can be defined as follow:

RelNode (Calcite)
|__ FlinkRelNode // base class for flink relnode
      |__ FlinkLogicalRel // base class for flink logical relnode
      |__ FlinkPhysicalRel // base class for flink physical relnode
            |__ BatchPhysicalRel // base class for batch physical relnode
            |__ StreamPhysicalRel // base class for stream physical relnode



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