Jinfeng Ni created CALCITE-966:
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Summary: VolcanoPlanner should clear ruleNames in order to avoid
rule name conflicting error
Key: CALCITE-966
URL: https://issues.apache.org/jira/browse/CALCITE-966
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Jinfeng Ni
Assignee: Jinfeng Ni
Priority: Minor
When VolcanoPlanner is called multiple times through Frameworks, it may
encounter rule name conflicting error, if the first ruleset and second ruleset
have rules with identical name.
The fix is to simply clear the set of ruleNames in VolcanoPlanner.clear()
method.
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