class Shopping_cart < ActiveRecord::Base
belongs_to :owner,
:class_name => "user",
:foreign_key => "owner_id"
has_many :shopping_cart_items,
:class_name => "shopping_cart_item",
:finder_sql => "select ti.* from shopping_cart_items ti,
shopping_carts t
where ti.owner_id = t.owner_id"
end
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