Unverified50% confidenceFactExact time
使用 Mapped[] 语法时，框架可在无需额外元数据的情况下推断列类型、是否可空以及关系的加载方式，使 mypy、Pyright 等静态分析工具能够理解 ORM 对象的属性类型
1
Sources
50%
Confidence
Long-term
Relevance
10/11/2026
First Seen
Sources
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