19 lines
830 B
Python
19 lines
830 B
Python
import uuid
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import datetime
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from sqlalchemy import Column, ForeignKey, Integer, Date, DateTime
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import relationship
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from app.db import Base
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class MemoryIncrement(Base):
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__tablename__ = "memory_increments"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True)
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workspace_id = Column(UUID(as_uuid=True), ForeignKey("workspaces.id"), index=True, nullable=False)
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total_num = Column(Integer, default=0, nullable=False)
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created_at = Column(DateTime, default=datetime.datetime.now)
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updated_at = Column(DateTime, default=datetime.datetime.now, onupdate=datetime.datetime.now)
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# 与 App 的关系（指向映射类名，而非表名）
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workspace = relationship("Workspace", back_populates="memory_increments")
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