[jira] [Created] (CALCITE-3939) more auto pruning rules after SubstitutionRule is introduced

[Botong Huang (Jira)]

Botong Huang created CALCITE-3939:
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             Summary: more auto pruning rules after SubstitutionRule is 
introduced
                 Key: CALCITE-3939
                 URL: https://issues.apache.org/jira/browse/CALCITE-3939
             Project: Calcite
          Issue Type: Improvement
            Reporter: Botong Huang


UnionEliminatorRule and ProjectRemoveRule are both pruning rules for a RelNode. 
They can also become SubstitutionRule with autoprune enabled



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