Thanks for the answer!
silly question, is there a reason standard replication techniques provided
by the database can't be used here? they might be a little more
heavy-handed to set up than some in-app trick but it'll work more solidly.
Yes, there is a reason: there are no any standard
Hello.
Would it be possible to make these two forms
session.query(cls).options(
subqueryload(cls.foos),
subqueryload(cls.foos, Foo.bar),
)
and
session.query(cls).options(
subqueryload_all(cls.foos, Foo.bar)
)
completely equivalent, i.e. subqueryload_all
On Sep 25, 2013, at 10:11 AM, Ladislav Lenart lenart...@volny.cz wrote:
Hello.
Would it be possible to make these two forms
session.query(cls).options(
subqueryload(cls.foos),
subqueryload(cls.foos, Foo.bar),
)
and
session.query(cls).options(
On Sep 25, 2013, at 2:15 AM, Aleksandr Kuznetsov aku.ru...@gmail.com wrote:
The rotation of tables is not a problem. Of course I can do it by
constructing simple SQL statement. I just want to simplify life for a client
(client is an app for collecting data) - I want it should pass to me
Hi.
I'd like to know what's the recommended approach to keep the state of
the session and the associated objects when session.flush() fails, in
order to being able to fix the cause of the problem and retry the operation.
For cases with a single object hierarchy, I think using session.merge()
I'd be interested in this too.
FWIW, my approach is this:
- flush often
- encapsulate complex logic in 'savepoints' , roll back to them
- fail everything and start from scratch on other errors
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On Sep 25, 2013, at 12:23 PM, Julio César Gázquez
julio_li...@mebamutual.com.ar wrote:
Hi.
I'd like to know what's the recommended approach to keep the state of the
session and the associated objects when session.flush() fails, in order to
being able to fix the cause of the problem and
is there a way to time the time spent 'loading' an object from the database
?
i think there might be a bottleneck in a part of my application that is
related to the object instantiation.
just to be clear , in this flow:
a) `query.all()`
b) sqlalchemy compiles query
c) sqlalchemy to db
I tend to use standard python profiling for that
http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application/1175677#1175677
On Sep 25, 2013, at 4:44 PM, Jonathan Vanasco jonat...@findmeon.com wrote:
is there a way to time the time spent 'loading' an object
very good. thanks.
i accidentally left a LIMIT off a query. The DB was optimized to return
the results in about .003s ; but it seems to have taken about 2 minutes for
sqlalchemy to generate ~1300 objects from the rows.
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that seems *very* slow?
On Sep 25, 2013, at 5:05 PM, Jonathan Vanasco jonat...@findmeon.com wrote:
very good. thanks.
i accidentally left a LIMIT off a query. The DB was optimized to return the
results in about .003s ; but it seems to have taken about 2 minutes for
sqlalchemy to
Hi folks, apologies for sounding spammy. I'm wondering if anyone has
suggestions on how to find remote work doing SQLAlchemy stuff, been wanting
to leave the uncertain world of freelancing and do some actual coding for a
while. I found some posts tagging SQLAlchemy on Stack Overflow Careers, but
On Tue, Sep 24, 2013 at 5:40 PM, Nicholas Long nick.studioc...@gmail.comwrote:
My mind keeps going back to events but of course there's the limitation to
modifying Session state while handling various events. (
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