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docs/zh/docs/tutorial/sql-databases.md
这样,而不是仅仅试图从`dict`上 `id` 中获取值,如下所示: ```Python id = data["id"] ``` 尝试从属性中获取它,如: ```Python id = data.id ``` 有了这个,Pydantic*模型*与 ORM 兼容,您只需在*路径操作*`response_model`的参数中声明它即可。 您将能够返回一个数据库模型,它将从中读取数据。 #### ORM 模式的技术细节 SQLAlchemy 和许多其他默认情况下是“延迟加载”。 这意味着,例如,除非您尝试访问包含该数据的属性,否则它们不会从数据库中获取关系数据。 例如,访问属性`items`: ```Python current_user.items
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docs/en/docs/tutorial/sql-databases.md
```Python id = data.id ``` And with this, the Pydantic *model* is compatible with ORMs, and you can just declare it in the `response_model` argument in your *path operations*. You will be able to return a database model and it will read the data from it. #### Technical Details about ORM mode SQLAlchemy and many others are by default "lazy loading".
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docs/em/docs/tutorial/sql-databases.md
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