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https://issues.apache.org/jira/browse/CALCITE-3916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haisheng Yuan reassigned CALCITE-3916:
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Assignee: Haisheng Yuan
> 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
> Assignee: Haisheng Yuan
> Priority: Major
>
> 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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