jinxing64 commented on a change in pull request #1704: [CALCITE-3644] Add
ProjectSetOpTransposeRule to normalize materialized view
URL: https://github.com/apache/calcite/pull/1704#discussion_r366681134
##########
File path: core/src/main/java/org/apache/calcite/rel/mutable/MutableRels.java
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@@ -173,6 +173,23 @@ public RexNode get(int index) {
.collect(Collectors.toList());
}
+ /**
+ * Construct expression list of Project by the given fields of the input.
+ */
Review comment:
Seems this method only converts the row type for `RexInputRef`, why this is
taken into consideration specially ?
BTW I can pass the test you provided in MaterializationTest.java without
this change.
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