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| import uuid | |
| from datetime import datetime | |
| from sqlalchemy import Column, DateTime | |
| from sqlalchemy.dialects.postgresql import UUID | |
| from sqlalchemy.orm import declarative_base | |
| Base = declarative_base() | |
| class BaseDBModel(Base): | |
| __abstract__ = True | |
| id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True, nullable=False) | |
| created_at = Column(DateTime, default=datetime.utcnow, nullable=False, index=True) | |
| updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False) | |