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Merge pull request #32572 from nao0515ki/add_optional_true_to_self_joins_section

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[ci skip] belongs_to in self join association needs optional: true, if it's over 5.0 ver of rails
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Rafael França 2018-04-20 16:30:06 -04:00 committed by GitHub
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guides/source/association_basics.md
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@ -505,7 +505,7 @@ class Employee < ApplicationRecord
has_many :subordinates, class_name: "Employee",
foreign_key: "manager_id"
belongs_to :manager, class_name: "Employee"
belongs_to :manager, class_name: "Employee", optional: true
end
```