qzsee opened a new pull request, #46983:
URL: https://github.com/apache/doris/pull/46983
### What problem does this PR solve?
```sql
CREATE MATERIALIZED VIEW mv_a
REFRESH COMPLETE ON commit
DISTRIBUTED BY HASH(`sid`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
)
AS select * from stu limit 1;
CREATE MATERIALIZED VIEW mv_aa
REFRESH COMPLETE ON commit
DISTRIBUTED BY HASH(`sid`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
)
AS select * from mv_a limit 1;
alter MATERIALIZED VIEW mv_a RENAME mv_b
CREATE TABLE `mv_a` (
`sid` int(32) NULL,
`sname` varchar(32) NULL,
) ENGINE=OLAP
DUPLICATE KEY(`sid`)
DISTRIBUTED BY HASH(`sid`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
);
CREATE MATERIALIZED VIEW mv_a
REFRESH COMPLETE ON commit
DISTRIBUTED BY HASH(`sid`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
)
AS select * from stu limit 1;
select * from stu limit 1;
java.lang.ClassCastException: class org.apache.doris.catalog.OlapTable
cannot be cast to class org.apache.doris.catalog.MTMV
(org.apache.doris.catalog.OlapTable and org.apache.doris.catalog.MTMV are in
unnamed module of loader 'app')
```
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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