20 lines
788 B
Python
20 lines
788 B
Python
import uuid
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from datetime import datetime
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from sqlalchemy import String, DateTime, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.dialects.postgresql import UUID
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from app.database import Base
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class MaterialAlias(Base):
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__tablename__ = "material_aliases"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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material_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("materials.id", ondelete="CASCADE"), nullable=False
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)
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alias: Mapped[str] = mapped_column(String(300), nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
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material = relationship("Material", back_populates="aliases")
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