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python Programming Glossary: sessionmakerWhy is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly create_engine from sqlalchemy.orm import scoped_session sessionmaker Base declarative_base DBSession scoped_session sessionmaker.. Base declarative_base DBSession scoped_session sessionmaker class Customer Base __tablename__ customer id Column Integer.. create_engine from sqlalchemy.orm import scoped_session sessionmaker Base declarative_base DBSession scoped_session sessionmaker..
sqlalchemy cursor error during yield_per http://stackoverflow.com/questions/12233115/sqlalchemy-cursor-error-during-yield-per that calling session.commit is interfering with .yield_per sessionmaker_ sessionmaker autocommit False autoflush False bind engine session.. is interfering with .yield_per sessionmaker_ sessionmaker autocommit False autoflush False bind engine session scoped_session.. False autoflush False bind engine session scoped_session sessionmaker_ def foo item # DO something to the item session.add item session.commit..
Convert sqlalchemy row object to python dict http://stackoverflow.com/questions/1958219/convert-sqlalchemy-row-object-to-python-dict import declarative_base from sqlalchemy.orm import sessionmaker print sqlalchemy version sqlalchemy.__version__ engine create_engine.. String def __init__ self name self.name name Session sessionmaker bind engine session Session user1 User anurag session.add user1..
SQLAlchemy Obtain Primary Key With Autoincrement Before Commit http://stackoverflow.com/questions/620610/sqlalchemy-obtain-primary-key-with-autoincrement-before-commit self.engine create_engine 'sqlite memory ' echo True self.sessionmaker scoped_session sessionmaker bind self.engine Base.metadata.bind.. memory ' echo True self.sessionmaker scoped_session sessionmaker bind self.engine Base.metadata.bind self.engine Base.metadata.create_all.. def test_pkid self user User name Joe session self.sessionmaker session.save user session.flush print 'user_id' user.user_id..
SQLAlchemy classes across files http://stackoverflow.com/questions/7478403/sqlalchemy-classes-across-files from sqlalchemy.orm import relationship backref sessionmaker Base declarative_base import A import B import C engine create_engine.. Base.metadata.create_all engine checkfirst True Session sessionmaker bind engine session Session a A.A b1 B.B b2 B.B c1 C.C c2 C.C.. from sqlalchemy.orm import relationship backref sessionmaker import base import a import b import c engine create_engine..
SQLAlchemy - Dictionary of tags http://stackoverflow.com/questions/780774/sqlalchemy-dictionary-of-tags ForeignKey from sqlalchemy.orm import relation mapper sessionmaker from sqlalchemy.orm.collections import column_mapped_collection.. tb_notes.c.name Then just test it Session sessionmaker bind engine s Session i Item 'ball' 'A round full ball' i.notes..
I need a sample of python unit testing sqlalchemy model with nose http://stackoverflow.com/questions/833626/i-need-a-sample-of-python-unit-testing-sqlalchemy-model-with-nose Example from db import session # probably a contextbound sessionmaker from db import model from sqlalchemy import create_engine def..
Hang in Python script using SQLAlchemy and multiprocessing http://stackoverflow.com/questions/8785899/hang-in-python-script-using-sqlalchemy-and-multiprocessing db create_engine dbstring Session scoped_session sessionmaker Session.configure bind db Session.execute COMMIT BEGIN TRUNCATE..
How to integrate SQLAlchemy and a subclassed Numpy.ndarray smoothly and in a pythonic way? http://stackoverflow.com/questions/8940802/how-to-integrate-sqlalchemy-and-a-subclassed-numpy-ndarray-smoothly-and-in-a-pyt sa from sqlalchemy.orm import relationship scoped_session sessionmaker from sqlalchemy.ext.declarative import declarative_base from.. import TypeDecorator CHAR DBSession scoped_session sessionmaker Base declarative_base #### New SQLAlchemy Type #####################.. sa from sqlalchemy.orm import relationship scoped_session sessionmaker from sqlalchemy.ext.declarative import declarative_base from..
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