module

ActiveRecord::Validations

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What's this?

Active Record Validations

Active Record includes the majority of its validations from ActiveModel::Validations all of which accept the :on argument to define the context where the validations are active. Active Record will always supply either the context of :create or :update dependent on whether the model is a {new_record?}[rdoc-ref:Persistence#new_record?].

Show files where this module is defined (7 files)

activerecord/lib/active_record/validations/presence.rb
activerecord/lib/active_record/validations/absence.rb
activerecord/lib/active_record/validations/associated.rb
activerecord/lib/active_record/validations/numericality.rb
activerecord/lib/active_record/validations/uniqueness.rb
activerecord/lib/active_record/validations/length.rb
activerecord/lib/active_record/validations.rb

ActiveRecord::Validations

Related

Active Record Validations