feed_post.rb

module Picombo
	module Models
		class Feed_Post < Picombo::Model
			storage_names[:default] = 'feed_posts'

			property :id,   Serial, :key => true
			property :content, String

			belongs_to :user, :model => 'Picombo::Models::User'
		end
	end
end

feeds.rb

feed = []
Picombo::Models::Feed_Post.all.each do |post|
	puts post.inspect
	puts post.user.inspect
	feed << {
		:content => post.content,
		#:username => post.user.username
	}
end

output:

#<Picombo::Models::Feed_Post @id=1 @content="Testing">
nil
#<Picombo::Models::Feed_Post @id=2 @content="Foobar" @user_id=nil>
nil
#<Picombo::Models::Feed_Post @id=1 @content="Testing" @user_id=1>
nil
#<Picombo::Models::Feed_Post @id=2 @content="Foobar" @user_id=nil>
nil