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SQLAlchemy Code Review

Quick Reference

Review Checklist

• Sessions use context managers (with, async with)
• No session sharing across requests or threads
• Sessions closed/cleaned up properly
• relationship() uses appropriate lazy strategy
• Explicit joinedload/selectinload to avoid N+1
• No lazy loading in loops (N+1 queries)
• Using SQLAlchemy 2.0 select() syntax, not legacy query()
• Bulk operations use bulk_insert/bulk_update, not ORM loops
• Async sessions use proper async context managers
• Migrations are reversible with downgrade()
• Data migrations use op.execute() not ORM models
• Migration dependencies properly ordered

When to Load References

• Reviewing session creation/cleanup → sessions.md
• Reviewing model relationships → relationships.md
• Reviewing database queries → queries.md
• Reviewing Alembic migration files → migrations.md

Review Questions

1. Are all sessions properly managed with context managers?
2. Are relationships configured to avoid N+1 queries?
3. Are queries using SQLAlchemy 2.0 select() syntax?
4. Are all migrations reversible and properly tested?

Weekly Installs

86

Repository

existential-birds/beagle

GitHub Stars

41

First Seen

Jan 20, 2026

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Installed on

claude-code61

codex58

gemini-cli57

opencode57

github-copilot55

cursor46