example i have to 2 class : 1. Solarsystem 2. Planet class Solarsystem include DataMapper::Resource has n, :planets property :id, Integer, :serial => true property :name, String, :length => 0..255 end class Planet include DataMapper::Resource belongs_to :solarsystem property :id, Integer, :serial => true property :solarsystem_id, Integer property :name, String, :length => 0..255 end in the console you can test it: s = Solarsystem.first s.planets p = Planet.first p.solarsystem

http://datamapper.org/docs/associations.html

How to associat with merb and datamapper?

example i have to 2 class : 1. Solarsystem 2. Planet class Solarsystem include DataMapper::Resource has n, :planets property :id, Integer, :serial => true property :name, String, :length => 0..255 end class Planet include DataMapper::Resource belongs_to :solarsystem property :id, Integer, :serial => true property :solarsystem_id, Integer property :name, String, :length => 0..255 end in the console you can test it: s = Solarsystem.first s.planets p = Planet.first p.solarsystem 07.12.13

http://datamapper.org/docs/associations.html

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