airborne12 opened a new pull request, #67155:
URL: https://github.com/apache/doris/pull/67155
### What problem does this PR solve?
Issue Number: N/A
Related PR: #61994
Problem Summary:
This backports ANN index support for unique-key merge-on-write tables to
branch-4.1. FE validation previously restricted ANN indexes to DUP_KEYS tables
even though merge-on-write scans filter deleted rows before ANN candidates are
evaluated. The change permits ANN indexes only for UNIQUE_KEYS tables with
merge-on-write enabled, preserves rejection for merge-on-read tables, and
covers both the Nereids and legacy branch-4.1 CREATE INDEX validation paths.
### Release note
Support ANN indexes on unique-key merge-on-write tables.
### Check List (For Author)
- Test
- [x] Regression test
- [x] 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
- Verification:
-
`ORC_FORMAT_URL=http://archive.apache.org/dist/orc/orc-format-1.0.0/orc-format-1.0.0.tar.gz
./build.sh --be --fe -j 160`
- `./run-fe-ut.sh --run
org.apache.doris.nereids.trees.plans.commands.IndexDefinitionTest,org.apache.doris.alter.SchemaChangeHandlerTest`
- `./run-regression-test.sh --run -d ann_index_p0 -s
ann_index_on_mow,build_ann_index_test,create_ann_index_test,create_tbl_with_ann_index_test
-parallel 4`
- Behavior changed:
- [ ] No.
- [x] Yes.
- Does this need documentation?
- [x] No.
- [ ] Yes.
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label
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