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_r301069123
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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:
Sorry, @jinxing64 , I'm not familiar with this part of the code. So, you're
saying that it's ok for the 'else' block here to be a no-op (and not for
example, throwing an exception?).
Maybe a comment line will be helpful to explain the reason behind.
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