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https://issues.apache.org/jira/browse/CALCITE-3983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haisheng Yuan resolved CALCITE-3983.
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Fix Version/s: 1.23.0
Resolution: Fixed
Fixed in
[https://github.com/apache/calcite/commit/8ecec295f10ee2481880c00f71e00dac269be7c1].
> Add utility methods to RelTraitSet
> ----------------------------------
>
> Key: CALCITE-3983
> URL: https://issues.apache.org/jira/browse/CALCITE-3983
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Fix For: 1.23.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Add the following methods to RelTraitSet:
> {code:java}
> boolean isDefault();
> // Convenient methods to get the reltrait defined by
> // Calcite, return null if default trait
> // defs are not registered.
> getConvention();
> getDistribution();
> getCollation();{code}
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