from sqlalchemy import Column, Integer, String, Boolean, types from app.core.database import Base class Requirement(Base): __tablename__ = "sys_requirement" id = Column(Integer, primary_key=True, index=True) title = Column(String, index=True) description = Column(types.Text().with_variant(types.Text(length=4294967295), "mysql"), nullable=True) project_id = Column(Integer, nullable=False) gmt_create = Column(String(20), nullable=True)