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https://issues.apache.org/jira/browse/CALCITE-3756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haisheng Yuan resolved CALCITE-3756.
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Fix Version/s: 1.22.0
Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/0b97f45752f111b56aa499b037077d27db82ec47.
> RelSubset should not match operand(RelNode.class)
> -------------------------------------------------
>
> Key: CALCITE-3756
> URL: https://issues.apache.org/jira/browse/CALCITE-3756
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Even RelSubset is a subclass of RelNode, but they are quite different.
> RelNode already fires these rules, it is not necessary to fire for RelSubset.
> More importantly, it never worked due to CALCITE-3755.
> In addition, it will waste time to try to iterate class operands of RelSubset
> and try to match pattern operand(RelNode), given that it never matches when
> ascending.
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