Comparing ORM solutions: Fitz and the SQLAlchemy-Alembic-Pydantic trio

Para tener un ORM tipado con migraciones automáticas en Python necesitás mantener 3 fuentes de verdad (SQLAlchemy + Pydantic + Alembic). En Fitz es UN type con decoradores. Plus 8× RPS y 5× menos memoria que SQLAlchemy en bench reproducible. Para cada entidad de tu DB en una API FastAPI moderna tené

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