[英]Factory boy to select from existing flask_sqlalchemy table with Iterator using parameter
[英]how to reflect an existing table by using flask_sqlalchemy
我注意到一种方法:
db.reflect(bind='__all__',app=app)
但我想知道如何使用它。
如果您能提供帮助,我将不胜感激。
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'database connect url'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
db.Model.metadata.reflect(bind=db.engine,schema='DATABASE_NAME')
class User(db.Model):
'''deal with an existing table'''
__table__ = db.Model.metadata.tables['DATABASE_NAME.TABLE_NAME']
u = User.query.all()
print(u)
db.commit()
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