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https://issues.apache.org/jira/browse/CALCITE-7280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18036291#comment-18036291
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Dmitry Sysolyatin edited comment on CALCITE-7280 at 11/7/25 4:19 PM:
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Also if it is not interface, then it is really easy to forgot add implementation
was (Author: dmsysolyatin):
Also if it is not interface, than it is really easy to forgot add implementation
> Introduce RelNode.copy, which can copy the variable set
> -------------------------------------------------------
>
> Key: CALCITE-7280
> URL: https://issues.apache.org/jira/browse/CALCITE-7280
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.41.0
> Reporter: Dmitry Sysolyatin
> Assignee: Dmitry Sysolyatin
> Priority: Major
> Labels: pull-request-available
>
> Right now, the `RelNode` interface knows about variablesSet through
> getVariablesSet, but there isn’t a copy that can replace this variablesSet.
> Proposal to introduce:
> {code}
> RelNode copy(
> RelTraitSet traitSet,
> List<RelNode> inputs,
> Set<CorrelationId> variablesSet
> );
> {code}
> It is a prerequisite for [CALCITE-5390].
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