danny0405 commented on a change in pull request #1860: [CALCITE-2970] Add abstractConverter only between derived and required traitset URL: https://github.com/apache/calcite/pull/1860#discussion_r401311481
########## File path: core/src/main/java/org/apache/calcite/plan/volcano/RelSet.java ########## @@ -160,107 +162,106 @@ void obliterateRelNode(RelNode rel) { public RelSubset add(RelNode rel) { assert equivalentSet == null : "adding to a dead set"; final RelTraitSet traitSet = rel.getTraitSet().simplify(); - final RelSubset subset = getOrCreateSubset(rel.getCluster(), traitSet); + final RelSubset subset = getOrCreateSubset( + rel.getCluster(), traitSet, rel.isEnforcer()); subset.add(rel); return subset; } + /** + * If the subset is required, convert derived subsets to this subset. Review comment: How about we rename the `relsubset. isRequired()` to `relsubset. isTraitSetRequired()` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services