Rustelo/info/why_db_abstraction.md
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Why Database Abstraction is Better

Current Problems:

  1. Tight Coupling: Auth services are hardcoded to PgPool
  2. Limited Flexibility: Can't easily switch databases
  3. Maintenance Burden: Database-specific code scattered throughout
  4. Testing Complexity: Hard to test with different databases
  5. Vendor Lock-in: Forced to use PostgreSQL for auth features

Benefits of Database Abstraction:

  1. Loose Coupling: Services depend on traits, not concrete types
  2. Database Flexibility: Easy to switch between SQLite, PostgreSQL, MySQL, etc.
  3. Better Testing: Can use in-memory databases for tests
  4. Cleaner Code: Single interface for all database operations
  5. Future-proofing: Easy to add new database backends