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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