class Article(db.Model): aid = db.Column(db.Integer, primary_key=True, autoincrement=True) title = db.Column(db.String(100), nullable=True) content = db.Column(db.String(10000)) create_time = db.Column(db.DateTime, default=datetime.now) cid = db.Column(db.Integer, db.ForeignKey("category.cid", ondelete="CASCADE")) hits = db.Column(db.Integer, default=0) replies = db.Column(db.Integer, default=0) picture = db.Column(db.String(300)) __tablename__ = 'article'
class Mark(db.Model): mid = db.Column(db.Integer, primary_key=True, autoincrement=True) content = db.Column(db.String(1000)) create_time = db.Column(db.DateTime) uid = db.Column(db.Integer, db.ForeignKey('user.uid'))
class Tag(db.Model): tid = db.Column(db.Integer, primary_key=True, autoincrement=True) name = db.Column(db.String(30), nullable=True) aid = db.Column(db.Integer, db.ForeignKey("article.aid"))