On Monday, March 18, 2013 3:25:36 PM UTC-6, Peter Herndon wrote:
>
> Hi all,
>
> I'm new to SQLAlchemy, and looking for some advice on how to approach
> working with an existing database.
>
My preferred approach is to use http://code.google.com/p/sqlautocode/ and
generate a module describing
Hey gang -
Alembic 0.5.0 is now available. We've accumulated a significant bunch of bug
fixes and new features, quite a few of which were contributed via pull
requests. Thanks to all involved to get this release packed with a lot of new
stuff.
With version 0.5, we've dropped support for SQ
I am trying to insert records to a mysql database via python using the
sqlalchemy package.
I have columns that are datetime type in mysql that already have data of
the following format:
2013-04-03 00:05:00-05:00'
Note this is produced by the pytz module in python. I had no problem
loading 6
I was wondering whether someone would be able to help me out with a
SQLAlchemy query (not sure whether this is the correct term)
Assume a database with two tables; sessions and events. Sessions has a
primary key id and some additional information. Events has a primary key
which consists of session
the requery is due to the default expire_on_commit of session.commit():
http://docs.sqlalchemy.org/en/rel_0_8/orm/session.html#committing. Feel free
to disable this feature if you don't need it.
as far as one-to-many, I don't see the use of relationship() here, you'd likely
find it easier to u
the MySQL dialects within SQLAlchemy don't touch floats at all, so this is
probably a product of the DBAPI in use. Key information here would include
specific MySQL version, storage engine, and DBAPI name / version - Python and
OS version may be important as well.
On Apr 4, 2013, at 1:57 P
On Apr 4, 2013, at 2:03 PM, Roman Yakovenko wrote:
>
> In my case the performance boost was 30%. I have very few queries, but pretty
> big loops, so compiling them in advance(outside of loop) gave me a
> significant gain.
>
OK well we have the architecture in place to cache SQL expression
On Wed, Apr 3, 2013 at 5:47 PM, Michael Bayer wrote:
>
> the Python DBAPI doesn't have an explicit concept of a "prepared
> statement" - the idea of preparing a statement involves that a statement
> handle is established on the database server, which can then be reused.
> The closest the DBAPI has
Hello,
I have got a problem with inserting large float values into a mysql
database table.
When inserting a new EventDb using a session with large values and 6
digits, the float value is truncated to 5 digits. See the output of the
database engine:
2013-04-04 19:54:38,245 INFO sqlalchemy.engin
