Mike Lewis wrote:
Hi,
I'm new to SQLAlchemy, and I was wondering if there's a way to test a
condition while inserting. I'm trying to make my application use as
few separate queries at the same time as possible. Here's a couple
cases I have had issues with:
Inserting something with a
On Monday 27 August 2007 19:57:21 Michael Bayer wrote:
On Aug 24, 2007, at 8:39 AM, praddy wrote:
##
from sqlalchemy import *
meta = BoundMetaData('sqlite://', echo=False)
# Parents table.
parents = Table('parents', meta,
I have mappers configured for main and child, and those tables are
linked on main.childid=child.childid. How can I use in() to get rows where
child.othercolumn is in a list of values? I'd like to do something like:
foo = session.query(MainTable).filter_by(customer='CUSTNAME')
foo =
Hi,
foo = session.query(MainTable).filter_by(customer='CUSTNAME')
foo = foo.filter(ChildTable.c.othercolumn.in_('bar', 'baz', 'qux'))
You need to do the join; pass the name of the relation (not the target
table) to join:
foo =
So why is it possible do a query.group_by() but not a possible to specify
the columns to select as execution of the query fails in postgresql because
it is trying to select all the columns of table Foo in this instance.
Or is their some way of combining the sql.select() module with the query
sorry for my bad sql, but where have u specified that link?
u should have something like
foo.filter( (Main.chidlid==Child.childid)
Child.othercolumn.in_('a', 'b', 'c') )
or
foo.join( child).filter( Child.othercolumn.in_('a', 'b', 'c') )
(warning: the exact syntax may or may not be this,
Mike Bernson wrote:
Using SQLAlchemy version 0.4b4. When reflecting
table from mysql database with tinyint(1) you get
a boolean back. I think this is error because it
returns a bad data type for tinyint(1).
I have a database that work under 0.3.0 where to
store a single digit I used
