Thanks Michael, very useful.
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Hi
This is to warn people working with sqlalchemy and sqlite and date/time
columns.
I know, the topic has already been discussed, but I found it difficult
to relate this topic with the error messages I got when trying the
following:
transactions_table = Table('transactions', metadata,
hi all!
i'm creating user interface for search in database, and i wondered of
any of you knows how to generate query dynamically, without using 'eval
()' (slow) or 'engine.execute(my query)' (loosing flexability and
efficiency - am i right?)
the aim is to manage complex query (with or, and,
Thanks for the quick response, Michael.
We are mapping the classes dynamically, and we patched an in-house
copy of SQLAlchemy 0.5.6 with the stricter mutex from SQLAlchemy 0.6
to fix the sporadic mappers failed to compile errors we were seeing
under production load.
We also added a Least
Hello again,
I'm getting errors in a certain case which lead me to suspect that I'm
missing some big picture sharding concept, so to better understand
sharding I'm playing with the SQLAlchemy sharding unit tests
(sqlalchemy/test/orm/sharding/test_shard.py).
Here's one of the investigative tests
Sorry for not getting back sooner.
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Jeffrey D Peterson
Webmaster
Crary Industries, Inc.
-Original Message-
From: sqlalchemy@googlegroups.com [mailto:sqlalch...@googlegroups.com] On
Behalf Of Michael Bayer
Sent: Wednesday, January 06, 2010 1:23 PM
To: sqlalchemy@googlegroups.com
diana wrote:
Hello again,
I'm getting errors in a certain case which lead me to suspect that I'm
missing some big picture sharding concept, so to better understand
sharding I'm playing with the SQLAlchemy sharding unit tests
(sqlalchemy/test/orm/sharding/test_shard.py).
Here's one of the
Jeff Peterson wrote:
its true that there's no built in functionality to reflect views. In
the case of your views, just create Table instances manually, specifying
the
view names, column names, and column types explicitly. Set the
primary_key=True flag on those columns which you'd like to
A, deferred (new to me), thanks!
in sqlalchemy/test/orm/sharding/test_shard.py:
mapper(WeatherLocation, weather_locations, properties={
'reports':relation(Report, backref='location'),
'city': deferred(weather_locations.c.city),
})
When I comment
Again, this investigative test is loosely based on SQLAlchemy's
sharding test: sqlalchemy/test/orm/sharding/test_shard.py
def test_update(self):
print \n
session = create_session()
query = session.query(WeatherLocation)
# query_chooser returns: ['asia']
Hmmm, must be something megrok.rdb is doing I am not seeing, I will look into
it.
--
Jeffrey D Peterson
Webmaster
Crary Industries, Inc.
-Original Message-
From: sqlalchemy@googlegroups.com [mailto:sqlalch...@googlegroups.com] On
Behalf Of Michael Bayer
Sent: Monday, January 11, 2010
OK, it is definitely megrok.rdb, the last thing it does is call
metadata.create_all() so, I will email the megrok folks. Thanks a bunch.
--
Jeffrey D Peterson
Webmaster
Crary Industries, Inc.
-Original Message-
From: sqlalchemy@googlegroups.com [mailto:sqlalch...@googlegroups.com] On
Diana Clarke wrote:
Again, this investigative test is loosely based on SQLAlchemy's
sharding test: sqlalchemy/test/orm/sharding/test_shard.py
def test_update(self):
print \n
session = create_session()
query = session.query(WeatherLocation)
#
Thanks, Michael.
This will take me a bit to digest, and I'm about to start the second
shift as wife and mother... tomorrow maybe.
Thanks again for the quick responses -- greatly exceeding expectations!
Cheers,
--diana
On Mon, Jan 11, 2010 at 5:14 PM, Michael Bayer mike...@zzzcomputing.com
And now for a question about a completely different app (no sharding,
very simple). I haven't got a sufficient response from the pylons
group, so I'm trying here.
The question:
http://groups.google.com/group/pylons-discuss/browse_thread/thread/cb48d0ea2b084159
Things I've tried/considered:
diana wrote:
And now for a question about a completely different app (no sharding,
very simple). I haven't got a sufficient response from the pylons
group, so I'm trying here.
The question:
http://groups.google.com/group/pylons-discuss/browse_thread/thread/cb48d0ea2b084159
Things I've
Le lundi 11 janvier 2010 à 15:55 -0800, diana a écrit :
And now for a question about a completely different app (no sharding,
very simple). I haven't got a sufficient response from the pylons
group, so I'm trying here.
The question:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi.
I'm updating some of my code to SQLALchemy 0.6, and I have noted a
problem with the sessionmaker function.
The problem is a compatibility one: old versions use the transactional
parameter, new ones the autocommit parameter.
Usually, to handle
On Mon, Jan 11, 2010 at 7:07 PM, Antoine Pitrou solip...@pitrou.net wrote:
Le lundi 11 janvier 2010 à 15:55 -0800, diana a écrit :
Well if you only want to count entries, use Query.count(), not
Query.all().
Yup, I don't actually do this in a real app. I was just doing this (in
a hello world
we have a full set of tests that ensure SQLA itself has no unreleased memory
issues or excessive cycles and they've been in our trunk for several years, and
we also nailed a few remaining corner cases over the past year which correspond
to highly unusual usage patterns, so I'm very confident
On Mon, Jan 11, 2010 at 4:07 PM, Manlio Perillo
manlio.peri...@gmail.com wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi.
I'm updating some of my code to SQLALchemy 0.6, and I have noted a
problem with the sessionmaker function.
The problem is a compatibility one: old versions use
On Jan 11, 2010, at 7:07 PM, Manlio Perillo wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi.
I'm updating some of my code to SQLALchemy 0.6, and I have noted a
problem with the sessionmaker function.
The problem is a compatibility one: old versions use the transactional
I never really suspected that this was a SQLAlchemy issue, which was
why I didn't originally post this question to the SQLAlchemy group. I
apologize if it came across that way.
Time for me to do my python VM homework...
My apologies,
--diana
On Mon, Jan 11, 2010 at 8:15 PM, Michael Bayer
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