rubenada commented on code in PR #2829:
URL: https://github.com/apache/calcite/pull/2829#discussion_r895414190
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core/src/main/java/org/apache/calcite/sql2rel/RelDecorrelator.java:
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@@ -1595,6 +1590,7 @@ static Map<Integer, Integer> identityMap(int count) {
Frame register(RelNode rel, RelNode newRel,
Map<Integer, Integer> oldToNewOutputs,
NavigableMap<CorDef, Integer> corDefOutputs) {
+ newRel = RelOptUtil.copyRelHints(rel, newRel);
Review Comment:
Thanks for the feedback @danny0405 , I agree.
The current patch was just a quick fix to avoid a regression in the imminent
release. I have created a follow-up ticket
(https://issues.apache.org/jira/browse/CALCITE-5188) where we can discuss more
long-term solutions, like the one you propose.
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