fairyfar opened a new pull request, #2064:
URL: https://github.com/apache/cloudberry/pull/2064
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### What does this PR do?
Fix get_table_bloat_info and list_user_permissions SQL error of MCP server.
get_table_bloat_info and list_user_permissions in cbmcp/database.py cannot
be used because of some errors(syntax and divide-by-zero).
For example, Claude Code reported an error when using the MCP analysis table:
```
Table t1 Performance Analysis
Thought for 4s, called cloudberry 2 times (ctrl+o to expand)
❯ Analyze table bloat information about t1
Thought for 1s (ctrl+o to expand)
● I'll pull the bloat information for t1 — first let me find which schema it
lives in.
The get_table_bloat_info MCP tool is broken. It fails on every call:
Error getting table bloat info: column reference "relname" is ambiguous
```
### Type of Change
- [x] 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:**
<!-- Any performance implications? -->
**User-facing changes:**
<!-- Any changes visible to users? -->
**Dependencies:**
<!-- New dependencies or version changes? -->
### Checklist
- [ ] Followed [contribution
guide](https://cloudberry.apache.org/contribute/code)
- [ ] Added/updated documentation
- [ ] Reviewed code for security implications
- [ ] This PR contains AI-assisted code generation
- [ ] Requested review from [cloudberry
committers](https://github.com/orgs/apache/teams/cloudberry-committers)
### Additional Context
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### CI Skip Instructions
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