- 单元测试 https://doc.literalkernel.work/python/library/unittest.html
- SQLAlchemy (1.4) https://docs.sqlalchemy.org/en/14/
- DSL https://lark-parser.readthedocs.io/en/latest/ https://github.com/lark-parser/lark/
https://docs.sqlalchemy.org/en/14/core/connections.html?highlight=scalar#sqlalchemy.engine.Result.one FastAPI 错误处理应该是这样的： https://fastapi.tiangolo.com/advanced/additional-responses/