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22 lines
768 B
Python
22 lines
768 B
Python
from typing import List
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from sqlmodel import SQLModel, Field, Relationship
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# Relationship model
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class AuthorBookLink(SQLModel, table=True):
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author_id: int | None = Field(default=None, foreign_key="author.id", primary_key=True)
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book_id: int | None = Field(default=None, foreign_key="book.id", primary_key=True)
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# Author model
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class Author(SQLModel, table=True):
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id: int | None = Field(primary_key=True, index=True)
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name: str
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books: List["Book"] = Relationship(back_populates="authors", link_model=AuthorBookLink)
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# Book model
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class Book(SQLModel, table=True):
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id: int | None = Field(primary_key=True, index=True)
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title: str
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description: str
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authors: List[Author] = Relationship(back_populates="books", link_model=AuthorBookLink)
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