in/models.py

from sqlalchemy import Boolean, Column, ForeignKey, String, Text

from database import Base


class Item(Base):
    __tablename__ = "items"

    id = Column(String, primary_key=True, index=True)
    is_in = Column(String, ForeignKey(id, onupdate="CASCADE", ondelete="SET NULL"))
    coords_bl = Column(String)
    coords_tr = Column(String)
    type = Column(String)
    name = Column(String)
    content = Column(Text)
    note = Column(Text)
    hidden = Column(Boolean, nullable=False)