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Merge pull request #39681 from JuarezLustosa/doc/active_record_validations

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[ci skip] Increase info on validate presence for association
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Vipul A M 2020-06-21 17:04:06 +05:30 committed by GitHub
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guides/source/active_record_validations.md
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@ -534,6 +534,8 @@ end
In order to validate associated records whose presence is required, you must
specify the `:inverse_of` option for the association:
NOTE: If you want to ensure that the association it is both present and valid, you also need to use `validates_associated`.
```ruby
class Order < ApplicationRecord
has_many :line_items, inverse_of: :order