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fix(orm): disambiguate Chat<->Message relationships
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- set explicit foreign_keys for Chat.messages and Message.chat

- resolve mapper initialization error after pinned_message_id fk
This commit is contained in:
Alex
2026-03-08 00:31:09 +03:00
parent e1d0375392
commit b5a7d733c6
2 changed files with 6 additions and 2 deletions
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6
app/chats/models.py
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@@ -34,7 +34,11 @@ class Chat(Base):
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False) created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False)
members: Mapped[list["ChatMember"]] = relationship(back_populates="chat", cascade="all, delete-orphan") members: Mapped[list["ChatMember"]] = relationship(back_populates="chat", cascade="all, delete-orphan")
messages: Mapped[list["Message"]] = relationship(back_populates="chat", cascade="all, delete-orphan") messages: Mapped[list["Message"]] = relationship(
back_populates="chat",
cascade="all, delete-orphan",
foreign_keys="Message.chat_id",
)
class ChatMember(Base): class ChatMember(Base):

2
app/messages/models.py
View File

@@ -49,7 +49,7 @@ class Message(Base):
nullable=False, nullable=False,
) )
chat: Mapped["Chat"] = relationship(back_populates="messages") chat: Mapped["Chat"] = relationship(back_populates="messages", foreign_keys=[chat_id])
sender: Mapped["User"] = relationship(back_populates="sent_messages") sender: Mapped["User"] = relationship(back_populates="sent_messages")
attachments: Mapped[list["Attachment"]] = relationship(back_populates="message", cascade="all, delete-orphan") attachments: Mapped[list["Attachment"]] = relationship(back_populates="message", cascade="all, delete-orphan")