Haisheng Yuan created CALCITE-3755:
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Summary: Ascending rule match with RelSubset operand doesn't work
Key: CALCITE-3755
URL: https://issues.apache.org/jira/browse/CALCITE-3755
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Haisheng Yuan
Given a rule with match pattern {{operand(Filter, operand(RelSubset))}}, when
we add a new RelSubset into the set, planner will fire rules for RelSubset.
But in {{VolcanoRuleCall.matchRecurse}}, if !inputRels.contains(previous), it
will skip. Obviously, the input rels will never contain a RelSubset, hence
fails to match the rule.
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