1
我想从我的数据库中提取的记录,但我得到表不可用,即使烧瓶SQLAlchemy的create_all被称为
OperationalError: (sqlite3.OperationalError) no such table: driver
即使我定义的模型,并呼吁db.create_all()
。为什么这不起作用?
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:////tmp/test.db'
db = SQLAlchemy(app)
db.create_all()
class Driver(db.Model):
id = db.Column(db.Integer, primary_key=True)
@app.route('/')
def index():
result = Driver.query.all()
return render_template('index.html', result=result)