Mryange opened a new pull request, #67586:
URL: https://github.com/apache/doris/pull/67586
Field-based aggregate states need array ordering and standalone value
serialization. Root cause: Field array comparison previously returned equality
for all arrays, and Field lacked paired binary read/write helpers.
Add recursive lexicographic array comparison with NULL elements ordered
last, and independent binary serialization for supported scalars, NULL and
nested arrays. Preserve Field type tags and raw values without temporary
Columns or DataType/SerDe dependencies. SQL precision/scale remain caller-owned
metadata; decimal comparison requires matching scales. Existing aggregate
states and Column/Variant formats are unchanged.
### 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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