branch-4.1: [fix](agg) Align complex aggregate null ordering #67439 - #68422
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Problem Summary: Complex-type `min`, `max`, `min_by`, and `max_by` used a NULL ordering direction different from ordinary SQL array comparisons. This could select inconsistent results for arrays containing NULL elements. The aggregate comparison direction is aligned with SQL array ordering, and regression expectations are updated. apache/doris-website#4121 ### Release note Complex-type aggregate ordering now follows SQL array NULL ordering. ### 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: apache/doris-website#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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Sep 24, 2026
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Cherry-picked from #67439