Haisheng Yuan created CALCITE-3927:
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Summary: RelSubset is not fired for rule when set gets merged
Key: CALCITE-3927
URL: https://issues.apache.org/jira/browse/CALCITE-3927
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Haisheng Yuan
In VolcanoPlanner, when set gets merged, planner fires rules again for RelNodes
in both sets, but not for RelSubset. We might miss something because of this.
If all the logical transformation rules and physical implementation rules are
separated out and physical rules don't do logical work, we might be OK. But the
reality is that all the things are mixed together at the moment.
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