app.config["SQLALCHEMY_COMMIT_ON_TEARDOWN"] = True/False# 每次请求结束后都会自动提交数据库中的变动. app.config[""] = app.config[""] = app.config[""] = app.config[""] = DATABASE_URI : mysql :mysql://username:password@hostname/database pgsql :postgresql://username:password@hostname...
2、连接数据库 SQLALCHEMY_DATABASE_URI flask_sqlalchemy 配置数据连接的参数 不同数据库连接方式不同: Mysql mysql://username:password@hostname[:port]/database Sqlite(windows) sqlite:///d:/python/python.sqlite Sqlite(linux) sqlite:python/python.sqlite Pgsql: postgresql://username:password@hostname/...
app = Flask(__name__) app.config['SQLALCHEMY_DATABASE_URI'] =\ 'sqlite:///' + os.path.join(basedir, 'data.sqlite') app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True db = SQLAlchemy(app) 1. 2. 3. 4. 5. 6. 7. db 对象是 SQLAlchemy 类的实例,表示程序使用的数据库,同时还...
app.config[""] =DATABASE_URI: mysql :mysql://username:password@hostname/databasepgsql :postgresql://username:password@hostname/databasesqlite(linux) :sqlite:///absolute/path/to/databasesqlite(windows) :sqlite:///c:/absolute/path/to/database AI代码助手复制代码 三、初始化示例 from flask imp...
日期格式(pgsql) 、 我有一个旧的导入脚本,它使用SQLAlchemy (0.8.3)和psycopg2 (2.5.1)。现在,我将它迁移到一个更新的服务器上,使用SQLAlchemy (1.0.5)和psycopg2 (2.5.4)。我的日期格式主要是"dd.MM.yyyy“,我得到了这个错误 DataError: (psycopg2.DataError) date/time field value out of range: ...
DB='pgsql' DBURI='postgresql+psycopg2://user:password@host/dbname' tox -e py310 DB variants are 'pgsql', 'mysql' and 'sqlite'. Except in the case of SQLite, you'll need to create the database independently, before execution of the test. ...
DATABASE_URI : mysql :mysql://username:password@hostname/database pgsql :postgresql://username:password@hostname/database sqlite(linux) :sqlite:///absolute/path/to/database sqlite(windows) :sqlite:///c:/absolute/path/to/database 三