yjhjstz opened a new pull request, #1409:
URL: https://github.com/apache/cloudberry/pull/1409
Fix ORCA fallback error when querying AO tables with multiple DISTINCT
aggregates:
"Invalid system target list found for AO table"
AO tables don't support MVCC system columns (xmin, xmax, cmin, cmax). Skip
these columns when building metadata for standalone AO tables, but preserve
them for partitioned tables to maintain column mapping consistency.
Fixes #ISSUE_Number
### What does this PR do?
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### Type of Change
- [ ] Bug fix (non-breaking change)
- [ ] New feature (non-breaking change)
- [ ] Breaking change (fix or feature with breaking changes)
- [ ] Documentation update
### Breaking Changes
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### Test Plan
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- [ ] Unit tests added/updated
- [ ] Integration tests added/updated
- [ ] Passed `make installcheck`
- [ ] Passed `make -C src/test installcheck-cbdb-parallel`
### Impact
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**Performance:**
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**User-facing changes:**
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**Dependencies:**
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### Checklist
- [ ] Followed [contribution
guide](https://cloudberry.apache.org/contribute/code)
- [ ] Added/updated documentation
- [ ] Reviewed code for security implications
- [ ] Requested review from [cloudberry
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