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By: a guest on Jul 1st, 2012  |  syntax: None  |  size: 0.40 KB  |  hits: 16  |  expires: Never
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  1. rails 3 habtm delete only association
  2. class Company
  3.   has_and_belongs_to_many :users
  4. end
  5.  
  6. class User
  7.   has_and_belongs_to_many :companies
  8. end
  9.        
  10. before_destroy {|object| object.collection.clear}
  11.        
  12. class Company
  13.   has_and_belongs_to_many :users
  14.   before_destroy {|company| company.users.clear}
  15. end
  16.  
  17. class User
  18.   has_and_belongs_to_many :companies
  19.   before_destroy {|user| user.companies.clear}
  20. end
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