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https://issues.apache.org/jira/browse/CALCITE-6064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17778503#comment-17778503
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Benchao Li commented on CALCITE-6064:
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I agree with [~shenlang].
> Incorrect TraitSet copying logic in LogicalJoin?
> ------------------------------------------------
>
> Key: CALCITE-6064
> URL: https://issues.apache.org/jira/browse/CALCITE-6064
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.35.0
> Reporter: Rong Rong
> Priority: Major
>
> See: https://github.com/walterddr/calcite/pull/3/files
> seems like the traitSet is not copied but the default emptyTraitSet is being
> used with the Convention.NONE; while some other nodes (such as
> https://github.com/walterddr/calcite/blob/23b7931c3e516bdb6cfedda956213f7fe06c6b24/core/src/main/java/org/apache/calcite/rel/logical/LogicalAggregate.java#L154)
> are copying properly.
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