from sqlalchemy import Column, Integer from mooc.db.database import Base class CustomReply(Base): __tablename__ = 'custom_reply' id = Column(Integer, primary_key=True, index=True) rid = Column(Integer, nullable=False) start1 = Column(Integer, nullable=False) end1 = Column(Integer, nullable=False) start2 = Column(Integer, nullable=False) end2 = Column(Integer, nullable=False)