Mryange opened a new pull request, #63834:
URL: https://github.com/apache/doris/pull/63834
### What problem does this PR solve?
Problem Summary:
ANN query vector extraction returned a generic `IColumn::Ptr`, so the TopN
and range search paths had to downcast the column again before reading float
data. This made the code more indirect and delayed type validation. This PR
changes the helper and runtime state to keep the query vector as
`ColumnFloat32::Ptr`, validates the concrete type at extraction time, and
removes redundant casts from the ANN execution path.
### 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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