Hi,
I have a before flush event set up that sets the current user_id and
datetime on new objects that are going to be commited to the database
(all tables have these fields).
Unfortunately, it seems to ignore changes I make to existing objects, ie
when I set the user_id (which i get from
Hello All,
I was curious if anyone else has run into this error:
error message
Traceback (most recent call last):
File util/sa/tests/test_sa_dao.py, line 96, in setUp
self.session.add(tc1)
File
/home/adorsk/projects/gr/jenv2.7/Lib/site-packages/sqlalchemy/orm/session.py,
line 1251, in
unfortunately issues like these are often resulting from Jython bugs.For
example, SQLAlchemy was entirely unusable with the previous version of Jython
due to a bug in their __import__ mechanism. That the test works fine using
regular cPYthon with psycopg2 further points to some
The code looks fine to me, other than the access of Session._new for which you
should be really calling upon the public new collection.
What you might want to make sure of is that the objects you expect to see in
dirty are actually there. Sometimes objects don't make it into dirty
until they
you need to use the post_update option described at
http://docs.sqlalchemy.org/en/rel_0_7/orm/relationships.html#rows-that-point-to-themselves-mutually-dependent-rows
.
On Jun 6, 2012, at 1:15 AM, Alex Grönholm wrote:
I have trouble configuring two relationships from one class to another. The
Ah, you're right, it does look like a Jython bug.
When I run the code you provided above I get the error below, which
does show that it's a Jython issue.
Traceback (most recent call last):
File t.py, line 13, in module
print attrgetter(bar.bat)(f)
AttributeError: 'Foo' object has no
06.06.2012 18:06, Michael Bayer kirjoitti:
you need to use the post_update option described at
http://docs.sqlalchemy.org/en/rel_0_7/orm/relationships.html#rows-that-point-to-themselves-mutually-dependent-rows
.
Thanks for the pointer. Problem solved :)
On Jun 6, 2012, at 1:15 AM, Alex
Hello,
Thanks for the response - how do I access the public new collection?
In terms of the date not being updated - turns out that in my code the
columns are called last_update_date and not last_updated which
explains why it wasn't committing anything
Also, for the Session.dirty objects I
With the understanding that we would loose the ability to properly
track the sate of a mapped object and ability to update or insert in
ORM and likely the ability to correctly use relationships as well -
how can one accomplish a mapper, which would work on tables (views)
without any key, which
Hi,
I'm trying to use my declarative models to copy data from an Oracle
database with a non-default schema name to a SQLite database (which has no
schema name, or at least a default name that can't be changed). Copying
from Oracle to Oracle has not been a problem for me, but Oracle to SQLite
There's two variants to this question, and I can't tell which one you're asking
for.
If the views in question do in fact have candidate keys, that is, columns which
uniquely identify a row, you just specify those either to the Table or mapper()
as the columns that uniquely identify the row.
By far the easiest approach is to modify the username you're coming into Oracle
as so that the schema in question is the default. Or if you can, create Oracle
synonyms (i.e. CREATE SYNONYM) in the default schema that link to the
schema-qualified tables.
Otherwise SQLA doesn't have a lot of
On Jun 6, 2012, at 1:48 PM, Damian wrote:
Hello,
Thanks for the response - how do I access the public new collection?
it's called session.new
In terms of the date not being updated - turns out that in my code the
columns are called last_update_date and not last_updated which
Thanks. Model that we work with has tables, which have no unique
constraints. Keys can be inferred from data contained specified in ORM
maping but there is no guarantee that this will always work because
data may change. Still one could argue a case where mapping such table
to a class has merit
To be clear this is not a feature request. I could use a hit how to
build a fake mapper like this if not compatible in certain cases.
On Jun 6, 5:52 pm, Victor Olex victor.o...@vtenterprise.com wrote:
Thanks. Model that we work with has tables, which have no unique
constraints. Keys can be
This seems (to me) like an obvious question but a brief googling and looking at
the docs didn't seem to find the answer.
I have an existing database (lets say mysql)
I can easily create object like:
class BroadPeaks(Base):
__table__ = Table('broad_peaks', Base.metadata, autoload=True)
On Jun 6, 2012, at 7:47 PM, Benjamin Hitz wrote:
This seems (to me) like an obvious question but a brief googling and looking
at the docs didn't seem to find the answer.
I have an existing database (lets say mysql)
I can easily create object like:
class BroadPeaks(Base):
__table__
Nah, I don't want a simpler interface, I want something that just generates the
code so I can extend it as needed.
Ben
On Jun 6, 2012, at 5:57 PM, Michael Bayer wrote:
On Jun 6, 2012, at 7:47 PM, Benjamin Hitz wrote:
This seems (to me) like an obvious question but a brief googling and
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