Multi-Data-Source Architecture: Stop Letting AI Lock Your Project to One Database
Many projects start with just one database. So AI naturally writes: async def get_user(user_id: int): async with sqlite_session() as session: ... Or even more directly: conn = sqlite3.connect("app.db") The feature certainly works, but problems will show up later. Today it’s SQLite, tomorrow it might need to switch to PostgreSQL … As the codebase grows, the project quickly becomes: Business code tightly coupled to a specific storage technology. This is exactly the problem that Multi-Data-Source Architecture aims to solve. ...