yujun777 opened a new pull request, #68170:
URL: https://github.com/apache/doris/pull/68170
### What problem does this PR solve?
Issue Number: N/A
Problem Summary: When an IVM incremental refresh hits a missing or unusable
base table stream, the rewrite fails with `STREAM_UNSUPPORTED`. Previously this
reason fell back to the partition-based refresh, which reads the same broken
stream again and fails the task, so the refresh never reached the COMPLETE
attempt whose reconcile step recreates the stream. Only an explicit `REFRESH
COMPLETE` could recover.
Two changes:
1. Add `STREAM_UNSUPPORTED` to `IvmFailureReason.requiresCompleteRefresh()`,
so an unusable stream jumps directly to the COMPLETE attempt that reconciles it.
2. Move `reconcileIvmStreams` from the shared partition-based path into
`executeCompleteAttempt`. Behavior is unchanged (COMPLETE was its only
triggering mode), but it makes the complete attempt the single place that
resets stream baselines, which a stream's global baseline requires.
### Release note
IVM incremental refresh now recovers automatically from an unusable base
table stream by falling back to a complete refresh instead of failing the task.
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [x] Unit test
- [ ] Regression test
- [ ] Manual test
- [ ] No need to test or manual test.
- Behavior changed:
- [ ] No
- [x] Yes, IVM fallback routing on `STREAM_UNSUPPORTED` (unusable stream
now goes straight to complete refresh)
- Does this need documentation:
- [x] No
- [ ] Yes
### Check List (For Reviewer)
- [x] Add proper labels
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