How can i implement the following query with sqlalchemy.orm objects?
SELECT columns.*
FROM columns AS col
JOIN
(
SELECT object_id, revision
FROM columns
GROUP BY id, revision
HAVING revision <= 20
) AS lr ON c
tupid
questions.
Thanks
On Mar 19, 3:54 am, "Michael Bayer" wrote:
> theres a collection called"extension" i believe, which has an append()
> method (also unsure of that name).
>
> jarrod.ches...@gmail.com wrote:
>
> > How do i add a MapperExtension to a map
How do i add a MapperExtension to a mapper after the mapper has been
created with the mapper() function
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class OrmRecord(object):
def _get_column_value(self, name):
# return self.__dict__[name]
return getattr(self, name)
def _set_column_value(self, name, value):
val = setattr(self, name, value)
self._not
Hi
I've been reading through the documentation and i can't see an
existing feature for this.
The table i'm working with stores properties about part of my program.
I get a record from the session.queryone() function and i pass
that around.
The record is somewhere in a properties change dialog
Yes, Option 2 - However, From the example documentation, Its doesn't
implement everything.
Although its most of the way there - So option 2 is looking good to
me.
On Mar 6, 1:23 am, Lawrence Oluyede wrote:
> On Thu, Mar 5, 2009 at 10:03 AM, jarrod.ches...@gmail.com
>
> wrote:
>
Hi All
I'm writing a metadata based schema migration tool.
As SQLAlchemy doesn't support much schema modification. I will
implement a complete set of schema migration functions one way or
another for several of the SQLAlchemy supported databases.
My question is, Where should these function resi
Doesn't get created in the database.
How do i add columns to tables already defined in the database after i
have reflected them into the metadata
On Dec 12, 12:59 am, Empty wrote:
> Hi,
>
> On Thu, Dec 11, 2008 at 8:12 AM, jarrod.ches...@gmail.com <
>
>
>
> ja
Hi
I've scoured the documentation and i can't find any info on how to
create a column using metadata.
from sqlalchemy import engine
from sqlalchemy import schema
from sqlalchemy import types
_config_dbengine = engine.create_engine('sqlite:tmp/db')
_config_metadata = schema.MetaData(_config_d
