jinxing64 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_r301412588
##########
File path: core/src/main/java/org/apache/calcite/plan/SubstitutionVisitor.java
##########
@@ -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:
@DonnyZone
I added a test
```
@Test public void testAggregate1() {
checkMaterialize(
"select \"deptno\", count(*) as c, sum(\"empid\") as s from \"emps\"
group by \"deptno\"",
"select count(*) + 1 as c, \"deptno\" from \"emps\" group by
\"deptno\"");
}
```
As I removed the row-type checking, exception is not thrown now. Given
existing substitution rules, materialization and query above can match with
each other.
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