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2026-04-13 11:34:23 +08:00
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, DateTime
from datetime import datetime
Base = declarative_base()
class TimestampMixin:
created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)