Haisheng Yuan created CALCITE-3916:
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Summary: Apply rules bottom up by RelSet
Key: CALCITE-3916
URL: https://issues.apache.org/jira/browse/CALCITE-3916
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Haisheng Yuan
Apply rules by leaf RelSet -> root RelSet order. For every RelNode in a RelSet,
rule is matched and applied sequentially. No RuleQueue and DeferringRuleCall is
needed anymore. This will make space pruning and rule mutual exclusivity check
possible.
Rule that use AbstractConverter as operand is an exception, to keep backward
compatibility, this kind of rule still needs top-down apply.
This should be done after CALCITE-3896.
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