sqlalchemy.exc.InvalidRequestError: Table 'user' is already defined for this MetaData instance. Specify 'extend_existing=True' to redefine options and columns on an existing Table object.错误原因:超过1个model的 __tablename__ 定义为 “user” 解决方法1(推荐):找出 __tablename__ = "user" 的...
db.init_db(context['model']) File '/project/ckanext-pages/ckanext/pages/db.py', line 112 in init_db sa.Column('extras', types.UnicodeText, default=u'{}'), File '/usr/lib/ckan/local/lib/python2.7/site-packages/sqlalchemy/sql/schema.py', line 339 in __new__ "existing Table ...
Ensure that your dataframe column names and the database table column names are compatible - otherwise you will throw sqlalchemy errors related to a column name existing in your dataframe but not in your existing database table. Multi-threading the pd.DataFrame.to_sql() method is still a big...
existing table shouldn't change anything. """ with self.setup_dynamodb(): app = app_utils.create_app( { "SESSION_TYPE": "dynamodb", "SESSION_DYNAMODB": self.client, "SESSION_DYNAMODB_TABLE_EXISTS": True, } ) with app.test_request_context(): assert isinstance(flask.session, DynamoDB...
The example has a working model and templates, has a bunch of dependencies like Flask-SLQAlchemy, you can take it as a wire frame modify and build your app with that.Examples are made from some existing apps, they may contain more stuff that’s really needed to showcase this module. ...
The example has a working model and templates, has a bunch of dependencies likeFlask-SLQAlchemy, you can take it as a wire frame modify and build your app with that. Examples are made from some existing apps, they may contain more stuff that’s really needed to showcase this module. Whe...