rubenada commented on a change in pull request #1307: [CALCITE-3182] Trim
unused fields for plan of materialized-view before matching.
URL: https://github.com/apache/calcite/pull/1307#discussion_r301113290
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File path: core/src/main/java/org/apache/calcite/plan/SubstitutionVisitor.java
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@@ -495,8 +495,9 @@ assert equalType(
for (MutableRel targetDescendant : targetDescendants) {
MutableRel queryDescendant = map.get(targetDescendant);
if (queryDescendant != null) {
- assert queryDescendant.rowType.equals(targetDescendant.rowType);
- equivalents.put(queryDescendant, targetDescendant);
Review comment:
@jinxing64 , maybe I'm missing something, but according to your comment we
can have two MutableAggregate which are equal but have a different row-type?
I'm curious to know how we arrive to this situation, since the equals/hashCode
and deriveRowType methods are based on the same fields (groupSet, groupSets,
aggCalls, input)
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