Delete

方法一

@app.route('/')
def index():
    article1 = Article.query.filter(Article.title == 'a').first()
    article1.title = 'A'
    db.session.delete(article1)
    db.session.commit()
    return 'Index.'

方法二

db.session.query(Department).filter(Department.id.in_(department_ids)).delete(synchronize_session=False)
        db.session.commit()