seawinde commented on code in PR #38527:
URL: https://github.com/apache/doris/pull/38527#discussion_r1701028985
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/mv/SyncMaterializationContext.java:
##########
@@ -96,13 +99,29 @@ String getStringInfo() {
@Override
Optional<Pair<Id, Statistics>> getPlanStatistics(CascadesContext
cascadesContext) {
RelationId relationId = null;
- Optional<LogicalOlapScan> scanObj =
this.getScanPlan().collectFirst(LogicalOlapScan.class::isInstance);
+ Optional<LogicalOlapScan> scanObj = this.getScanPlan(null)
+ .collectFirst(LogicalOlapScan.class::isInstance);
if (scanObj.isPresent()) {
relationId = scanObj.get().getRelationId();
}
return Optional.of(Pair.of(relationId,
normalizeStatisticsColumnExpression(statistics)));
}
+ @Override
+ public Plan getScanPlan(StructInfo queryStructInfo) {
+ if (queryStructInfo == null) {
+ return scanPlan;
+ }
+ if (queryStructInfo.getRelations().size() == 1
+ && queryStructInfo.getRelations().get(0) instanceof
LogicalOlapScan
Review Comment:
Yeah, we can collect the `LogicalDeferMaterializeOlapScan` when collect the
struct info
```java
private static class RelationCollector extends DefaultPlanVisitor<Void,
List<CatalogRelation>> {
@Override
public Void visit(Plan plan, List<CatalogRelation>
collectedRelations) {
if (plan instanceof CatalogRelation) {
collectedRelations.add((CatalogRelation) plan);
}
return super.visit(plan, collectedRelations);
}
}
```
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