from model.db import db from sqlalchemy.orm import mapped_column class User(db.Model): __tablename__ = 'user' id = mapped_column(db.Integer, primary_key=True,autoincrement=True) username = mapped_column(db.String(80), unique=True, nullable=False) email = mapped_column(db.String(120), unique=True, nullable=True) password = mapped_column(db.String(200), unique=True, nullable=False)