Rong Rong created CALCITE-6064:
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             Summary: 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


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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