[sqlalchemy] Re: column 'title' used in key specification without a key length

2008-03-02 Thread Michael Bayer
On Mar 1, 2008, at 11:36 AM, Victor Lin wrote: It says that I should set the length of key of title. I know I can solve this problem by setting the length of key. But the problem is : How to set the length for key? I can't find method to do so in document. try using : from

[sqlalchemy] new joined-table polymorphic helpers available in trunk

2008-03-02 Thread Michael Bayer
hey alchemers - I want to direct your attention to some new features in trunk which I'll also be demonstrating at this years Advanced SQLAlchemy tutorial. these features apply primarily to joined-table inheritance scenarios, and are in response to the need to specify criterion against

[sqlalchemy] Re: new joined-table polymorphic helpers available in trunk

2008-03-02 Thread sdobrev
I want to direct your attention to some new features in trunk which I'll also be demonstrating at this years Advanced SQLAlchemy tutorial. these features apply primarily to joined-table inheritance scenarios, and are in response to the need to specify criterion against subclasses as well