Jeremy,

Thanks, that helps a lot.



On Fri, Mar 6, 2009 at 2:44 PM, Jeremy Evans <[email protected]> wrote:

>
> On Mar 6, 1:47 pm, Scott LaBounty <[email protected]> wrote:
> > I'm probably showing my ignorance of both Sequel and databases in general
> > here but in the following code:
> > -----------------------------------------------------------
> > require 'rubygems'
> > require 'sequel'
> >
> > DB = Sequel.sqlite # Create an in-memory database
> >
> > # Create a new Country table with columns of
> > # id, name, and population.
> > DB.create_table :countries do
> >     primary_key :id
> >     column :name, :text, :unique=>true
> >     column :population, :integer
> > end
> >
> > DB.create_table :cities do
> >     primary_key :id
> >     column :name, :text
> >     foreign_key :country_id
> > end
> >
> > class Country < Sequel::Model;
> >     one_to_many :cities
> > end
> >
> > class City < Sequel::Model
> >     belongs_to :country
> > end
> >
> > usa = Country.create(:name => 'U.S.A.', :population => 250000000)
> > ny = City.create(:name => 'New York')
> >
> > # How to add ny to the USA?
> > usa.cities = ny
> >
> > -----------------------------------------------------------
> >
> > How do I add a city to the country that I created? Obviously the above
> > doesn't work. Do I have the tables set up correctly? Are the models
> correct?
>
> Sequel doesn't use proxies for associations.  Use:
>
>  usa.add_city(ny)
>
> See
> http://sequel.rubyforge.org/rdoc/classes/Sequel/Model/Associations.html
> for more details.
>
> Also, note that belongs_to will be deprecated in the next version.
> Use many_to_one.
>
> Jeremy
> >
>


-- 
Scott
http://steamcode.blogspot.com/

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