felixwluo opened a new pull request, #67139:
URL: https://github.com/apache/doris/pull/67139
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
When restoring a backup from an integrated-storage cluster to a
storage-compute separated cluster, cloud restore could fail if the backed-up
OLAP table had no restore partitions. CloudRestoreJob still sent
prepare/commit/drop partition RPCs to the meta service with an empty partition
id list. The meta service correctly rejected the request with "empty
partition_ids or index_ids or table_id". During cancellation/cleanup, the
original failure could be overwritten by the drop-partition cleanup failure,
showing an error like:
cloud restore job failed to drop partitions, table=xxx, partitions=[],
errMsg: empty partition_ids or index_ids or table_id.
The fix treats empty restore partition collections as a no-op for cloud
partition meta operations, because there is no partition metadata to prepare,
commit, or drop. It also resolves the storage vault id from the restore storage
vault name when no tablets are created, so empty-table restore does not depend
on a createTablets response to fill the vault id.
### Release note
Fix cloud restore failure when restoring backup metadata with empty OLAP
table partitions.
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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