python Programming Glossary: session.commit

http://stackoverflow.com/questions/10210080/how-to-disable-sqlalchemy-caching

by default in a transactional mode meaning it waits until session.commit is called in order to persist data to the database. During this..

SQLAlchemy: Relation table with composite primary key

http://stackoverflow.com/questions/10525797/sqlalchemy-relation-table-with-composite-primary-key

parent_name .one action.parents.append parent session.commit I get an error like IntegrityError IntegrityError action_dependencies.workflow_id.. session.add w_1 session.add w_2 a_22.parents.append a_21 session.commit session.expunge_all print ' ' 80 # helper functions def get_workflow.. ac 11 a_12 get_action ac 12 a_11.children.append a_12 session.commit session.expunge_all print ' ' 80 # test KO THIS SHOULD FAIL..

sqlalchemy cursor error during yield_per

http://stackoverflow.com/questions/12233115/sqlalchemy-cursor-error-during-yield-per

isn't valid anymore None None I am suspect that calling session.commit is interfering with .yield_per sessionmaker_ sessionmaker autocommit.. def foo item # DO something to the item session.add item session.commit def main for item in session.query Item .yield_per 5 foo item..

Convert sqlalchemy row object to python dict

http://stackoverflow.com/questions/1958219/convert-sqlalchemy-row-object-to-python-dict

engine session Session user1 User anurag session.add user1 session.commit # uncommenting next line throws exception 'TypeError 'User'..

Efficiently updating database using SQLAlchemy ORM

http://stackoverflow.com/questions/270879/efficiently-updating-database-using-sqlalchemy-orm

for c in session.query Stuff c.foo c.foo 1 session.flush session.commit This does the right thing but it takes just under fifty times.. if you say for c in session.query Stuff .all c.foo c.foo 1 session.commit it will do what it says go fetch all the objects from the database.. stuff_table values stuff_table.c.foo stuff_table.c.foo 1 session.commit This will execute as one query as you would expect and because..

SQLAlchemy: What's the difference between flush() and commit()?

http://stackoverflow.com/questions/4201455/sqlalchemy-whats-the-difference-between-flush-and-commit

a COMMIT for the current transaction which is what session.commit does . session.commit commits persists those changes to the.. current transaction which is what session.commit does . session.commit commits persists those changes to the database. flush is always..

SQLAlchemy Obtain Primary Key With Autoincrement Before Commit

http://stackoverflow.com/questions/620610/sqlalchemy-obtain-primary-key-with-autoincrement-before-commit

SQLAlchemy classes across files

http://stackoverflow.com/questions/7478403/sqlalchemy-classes-across-files

a.Bs.append b2 a.Cs.append c1 a.Cs.append c2 session.add a session.commit The above gives the error sqlalchemy.exc.NoReferencedTableError.. b2 a1.Cs.append c1 a1.Cs.append c2 session.add a1 session.commit Works on my machine python main.py echo 0 share improve this..

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

mn1._dto mn2._dto # not a good ui session.add c1 session.commit # Load MyNumpy Objects c2 session.query Container .filter_by.. mn1 c1.my_numpies.append mn2 session.add c1 session.commit # Load MyNumpy Objects c2 session.query Container .filter_by..

creating a temporary table from a query using sqlalchemy orm

http://stackoverflow.com/questions/9593610/creating-a-temporary-table-from-a-query-using-sqlalchemy-orm

if session.query TempTable .delete #make sure it's empty session.commit How can I populate temp_table with some selected contents of..