I've just overcome a problem in a test app that's using activemapper.
At the top, the imports were done like this:
from sqlalchemy.ext.activemapper import *
from sqlalchemy import *
Running my script gave this error:
$ python test.py
Traceback (most recent call last):
File test.py,
On 11/1/06, Michael Bayer [EMAIL PROTECTED] wrote:
im beginning to regret having viewonly and non_primary as options,since i cant think of anything they do that cant be better accomplishedjust by using Query.select(), or manual queries in conjunction with
query.instances().I think im going to try
Hello ! I'm running SQLAlchemy 0.2.8 with Python 2.4.
I have the following :
roles_table = Table('roles', meta,
Column('id', Integer, primary_key=True, nullable=False),
Column('name', String(100), nullable=False))
users_table = Table('users', meta,
Column('id', Integer,
This is really awesome. It would be even awesomer if append()/create()
could optionally take keyword arguments that would be passed to the
creator, so that the creator would be able to populate other
association fields if it knows how. I'm thinking of something like:
post.tags.append('awesomer',
Since I'm really stupid, I have another problem which seems to be much
to complex for my small brain.
I'm performing some more tests with SA and I tried to add a self
reference to a table which also is involved in inheritance.
This is my example :
employees = Table('employees', metadata,
Ooops,
My primaryjoin=employees.c.another_id==employees.c.person_id should be
primaryjoin=employees.c.father_id==employees.c.person_id.
This is just a typo. I really have this FlushError: Circular dependency
detected
--~--~-~--~~~---~--~~
You received this
this error implies that two instances are dependent on each other, and
cannot both be INSERTed whole. the postupdate flag is used to remedy
this situation, which will issue a second UPDATE statement to associate
the two rows together after they have been INSERTed.
if thats not working, attach a
the fact that a User class has an attribute roles is due to the
mapper placed on the User class, which initializes it with the roles
attribute. if youre using mod_python, its likely using a multi-process
model which can deserialize a User object into a new process where the
owning module has not
All,
I'm writing code that is using mappers for a database. I'm currently
going in and creating objects based off of other objects that will then
need to be deleted. (Meaning I'm adding records to tables based on
other records that will be removed entirely).
I'm wondering if there is already
I'm new to both python and SQLAlchemy, but am improving. I'm building
a new application that will use a sqlite database. A unit test is
failing with this exception:
sqlalchemy.exceptions.ConcurrentModificationError: Updated rowcount 0
does not match number of objects updated 1
Below is a small
On 11/3/06, Shannon -jj Behrens [EMAIL PROTECTED] wrote:
I'm using convert_unicode=True. Everything is fine as long as I'm the
one reading and writing the data. However, if I look at what's
actually being stored in the database, it's like the data has been
encoded twiced. If I switch to
Michael Bayer wrote:
On Nov 2, 2006, at 11:47 PM, Randall Smith wrote:
Is there a way to inherit more than one level for single table
inheritance? Take this relationship for example:
Animal - Dog - German Shepard
Say there are 10 animals; 5 are dogs and 2 are German Shepard.
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