jacktengg opened a new pull request, #67697:
URL: https://github.com/apache/doris/pull/67697
Problem Summary:
With enable_strict_cast=true, TRY_CAST of a DECIMAL(6,3) column containing
123.456 to DECIMAL(4,2) fails the entire query with E-255. TRY_CAST only
classified INVALID_ARGUMENT as a recoverable conversion failure, while decimal
casts return ARITHMETIC_OVERFLOW_ERRROR. Recognize arithmetic overflow in the
shared batch and per-row error classification so overflowing values become NULL
and valid rows survive. Child expression errors and ordinary CAST still
propagate failures. Add unit coverage for single-row and batch overflow with
nullable and non-nullable original cast results, plus child overflow
propagation.
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### 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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