ok, I've got a model called Location, the idea being that i have a
bunch of locations aligned to a grid. Each location has a pointer to
it's neighbors, like so
create_table "locations", :force => true do |t|
t.string "name"
t.text "description"
t.integer "north"
t.integer "northeast"
t.integer "east"
t.integer "southeast"
t.integer "south"
t.integer "southwest"
t.integer "west"
t.integer "northwest"
t.integer "x"
t.integer "y"
t.datetime "created_at"
t.datetime "updated_at"
t.integer "map_id"
end
whereas all the directions (north, south, east, etc) should all be
references to other locations.
I know this is probably an easy question, but what kind of
relationship is this, and how would I set it up in my model? like
this?
has_one :location, :foreign_key => :north
has_one :location, :foreign_key => :northeast
has_one :location, :foreign_key => :east
has_one :location, :foreign_key => :southeast
has_one :location, :foreign_key => :south
has_one :location, :foreign_key => :southwest
has_one :location, :foreign_key => :west
has_one :location, :foreign_key => :northwest
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