feiniaofeiafei opened a new pull request, #67653:
URL: https://github.com/apache/doris/pull/67653
### What problem does this PR solve?
Related PR: #41731
Problem Summary:
Predicate inference unwraps narrowing DATETIMEV2 casts and incorrectly
treats distinct raw join keys as equal. An IN predicate on one side can then
filter valid matches on the other side. Require injective DATETIMEV2 casts
before unwrapping, including nested casts, while preserving same-scale and
widening inference. Add one unit test and a regression case comparing inference
enabled and disabled.
Fix missing join results caused by predicate inference across narrowing
DATETIMEV2 casts.
### 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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