- rails 3 habtm delete only association
- class Company
- has_and_belongs_to_many :users
- end
- class User
- has_and_belongs_to_many :companies
- end
- before_destroy {|object| object.collection.clear}
- class Company
- has_and_belongs_to_many :users
- before_destroy {|company| company.users.clear}
- end
- class User
- has_and_belongs_to_many :companies
- before_destroy {|user| user.companies.clear}
- end