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https://issues.apache.org/jira/browse/CALCITE-3889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-3889:
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Labels: pull-request-available (was: )
> Add apply(Mappings.Mapping) to RelTrait and RelTraitSet
> -------------------------------------------------------
>
> Key: CALCITE-3889
> URL: https://issues.apache.org/jira/browse/CALCITE-3889
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Labels: pull-request-available
>
> RelTrait Collation, Distribution have key indices, when we pass down the
> traitset to child or propagate to parent operator, we have to remap these
> keys. It would be nice to have {{apply(Mappings.Mapping)}} on RelTrait and
> RelTraitSet. RelDistribution already has the method, but we may want it on
> every RelTrait except Convention.
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