On 5 Nov, 18:17, Joril [EMAIL PROTECTED] wrote:
I'd like to add a filter to a relation, so that it ignores records of
the remote table if they're flagged as logically_deleted (a
boolean field of the child table)
Solved,
children = relation(Child, primaryjoin=and_(id == Child.parent_id,
On Nov 6, 2008, at 1:12 AM, Martijn Faassen wrote:
Hey,
Michael Bayer wrote:
OK now that I see it, here's some things I think would make it more
generally useful:
1. lets split it into after_bulk_update() and after_bulk_delete(), so
that we can identify what operation just occured
2.
I have such queries:
OI = aliased(OrderedItem, name=OrderedItem_AD)
CH = aliased(TChart, name=Chart_AD)
ORD = aliased(Order, name=Order_AD)
alreadyDone = session.query(CH.id).\
join((OI, CH.orderedItems)).\
join((ORD, OI.order)).\
join((User, ORD.user)).\
On Nov 6, 2008, at 12:28 AM, Adam Ryan wrote:
Thanks a lot for the reply...
So to suggest an alternative to this you'd have to describe what
additional behavior is needed, such as is it an issue of overly
complex filter criterion being inefficient on the server side, or
you're trying to
Thank you! When will be a build with this fix?
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can you post a trac ticket for this please ? thanks.
On Nov 6, 2008, at 1:21 AM, Randall Smith wrote:
When reflecting a MSSQL table with a foreign key, the referenced table
fails to load with the error:
sqlalchemy.exc.NoSuchTableError: [referenced_table]
For this case, I'm using:
I am developing a WSGI based web framework with sqlalchemy. I am
unclear about when create_engine() should be called. I initially
thought that engine creation and metadata would be initialized per
process and each thread/request would just get a new session.
However, I have recently run into
Yes, I would also like to know what is the appropriate way to use SQLAlchemy
with respect to a WSGI server. I've been using Django with SQLAlchemy (not
yet supported, but the recipe here
http://lethain.com/entry/2008/jul/23/replacing-django-s-orm-with-sqlalchemy/got
me moving), and it's not clear
On Nov 6, 2008, at 1:29 PM, Randy Syring wrote:
I am developing a WSGI based web framework with sqlalchemy. I am
unclear about when create_engine() should be called. I initially
thought that engine creation and metadata would be initialized per
process and each thread/request would just
if you're using create_engine(), you're using a connection pool. The
diagram at http://www.sqlalchemy.org/docs/05/dbengine.html illustrates
this.
On Nov 6, 2008, at 1:35 PM, John Fries wrote:
Yes, I would also like to know what is the appropriate way to use
SQLAlchemy with respect to a
On Thursday 06 November 2008 07:28:41 Adam Ryan wrote:
Thanks a lot for the reply...
So to suggest an alternative to this you'd have to describe what
additional behavior is needed, such as is it an issue of overly
complex filter criterion being inefficient on the server side, or
you're
Thank you for taking the time to respond, I really appreciate it!
On Nov 6, 2:46 pm, Michael Bayer [EMAIL PROTECTED] wrote:
you should definitely create the engine and metadata on a per-process
basis. When using SQLite, the engine automatically chooses the
SingletonThreadPool
On Nov 6, 2008, at 12:28 AM, Adam Ryan wrote:
I can't store the query object in the beaker session because it can't
be pickled, right?. So is there a way to dump a string representation
of a query object, then recreate it and associate it with a new SQLA
Session?
Or am I missing the
Wow, this is great stuff. I'll have to spend some time trying it out.
My big question, though, is how to interact with this stored query
using and_ and or_?
I went off on a different track where I would store a list of filter
objects with their respective method (and_, or_), and put them back
Hi there,
MikeCo wrote:
I have an application that will need to bind to several different
databases with the same structure. The databases to be accessed are
not known at import time, that will be determined later while the
application is running. I want to use declarative and autoload the
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