"your_module.your_row_class") lst=factory.fetchAllRowObjects() #方法2, 直接使用 resultProxy from pyDbRowFactory import DbRowFactory factory=DbRowFactory.fromSqlAlchemyResultProxy(resultProxy, "your_module.your_row_class") lst=
SQLModeland SQLAlchemy are based on SQL. They are designed to help you with using SQL through Python classes and objects. But it's still always very useful to understand SQL. So let's start with a simple, pure SQL example. OpenDB Browser for SQLite. ...
SQLAlchemy is an ORM tool used for mapping the objects with entities in a database that are tables in the case of a relational database. The mapping of classes can be done to the required database by making use of this tool. This further enhances decoupling between the database and the ...
In the above example, we can perform the sqlalchemy created engine for using the MySQL database engine with the required connections. Basically, we must be ensured the database schema is already created on the database, or else we must be created initially to proceed the operation with furthe...
class Hero(SQLModel, table=True): id: Optional[int] = Field(default=None, primary_key=True) name: str secret_name: str age: Optional[int] = None sqlite_file_name = "database.db" sqlite_url = f"sqlite:///{sqlite_file_name}" engine = create_engine(sqlite_url, echo=True) SQL...
2不一起使用使用SQLAlchemy可以使用该库支持的任何数据库。如果是DBAPI 2对象，则只支持sqlite3。用户...
>>> get_session(False, True) #doctest: +ELLIPSIS <sqlalchemy.orm.session.Session object at 0x...> >>> get_session(False, False) #doctest: +ELLIPSIS <sqlalchemy.orm.session.Session object at 0x...> """ if test: engine = create_engine('sqlite:///:memory:', echo=verbose) log_...
python_version < "3.5" in /usr/local/lib/python2.7/site-packages (from pathlib2; python_version < "3"->importlib-metadata; python_version < "3.8"->sqlalchemy) (1.10.0) Installing collected packages: sqlalchemy Successfully installed sqlalchemy-1.4.1 WARNING: You are using pip version 20.0...
'SQLALCHEMY_DATABASE_URI': 'sqlite:///db.sqlite', }) db = SQLAlchemy(app) class User(db.Model): id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(40), unique=True) def current_user(): if 'id' in session: ...
from flask_sqlalchemy import SQLAlchemy app = Flask(__name__) app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.sqlite' app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False app.config['SQLALCHEMY_ECHO'] = True db = SQLAlchemy(app) ...