airborne12 opened a new pull request, #60626:
URL: https://github.com/apache/doris/pull/60626
### What problem does this PR solve?
Issue Number: N/A
Related PR: N/A
Problem Summary:
- Fixes multi-field `search()` parsing/rewriting in `mode=lucene` where
`best_fields` lost boolean grouping and produced incorrect query behavior.
- Refactors parser flow for bare-query handling and multi-field expansion so
`best_fields` and `cross_fields` keep their intended semantics.
- Resolves regression failure in `search/test_search_multi_field.groovy`
(`multi_field_best_fields_lucene`).
### Release note
Fix `search()` multi-field lucene `best_fields` boolean grouping semantics.
### 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
- Behavior changed:
- [ ] No.
- [x] Yes. Restores expected boolean grouping behavior for `search()` in
multi-field lucene `best_fields` mode.
- 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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