[jira] [Created] (FLINK-12734) remove getVolcanoPlanner method from FlinkOptimizeContext and RelNodeBlock does not depend on TableEnvironment

["godfrey he (JIRA)" <ji...@apache.org>]

godfrey he created FLINK-12734:
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             Summary: remove getVolcanoPlanner method from FlinkOptimizeContext and RelNodeBlock does not depend on TableEnvironment
                 Key: FLINK-12734
                 URL: https://issues.apache.org/jira/browse/FLINK-12734
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Planner
            Reporter: godfrey he
            Assignee: godfrey he


there are two improvements:
1. remove {{getVolcanoPlanner}} method from {{FlinkOptimizeContext}}. 
{{VolcanoPlanner}} limits that the planer a {{RelNode}} tree belongs to and the {{VolcanoPlanner}} used to optimize the {{RelNode}} tree should be same instance. (see: {{VolcanoPlanner}}#registerImpl)
so, we can use planner instance in {{RelNode}}'s cluster directly instead of {{getVolcanoPlanner}} from {{FlinkOptimizeContext}}.

2. {{RelNodeBlock}} does not depend on {{TableEnvironment}}
In {{RelNodeBlock}}, only {{TableConfig}} is used.





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