18 lines
624 B
Python
18 lines
624 B
Python
"""关注关系模型"""
|
|
from sqlalchemy import Column, Integer, DateTime, ForeignKey, UniqueConstraint
|
|
from sqlalchemy.sql import func
|
|
from database import Base
|
|
|
|
|
|
class Follow(Base):
|
|
__tablename__ = "follows"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
follower_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
|
|
following_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
|
|
__table_args__ = (
|
|
UniqueConstraint("follower_id", "following_id", name="uq_follow"),
|
|
)
|