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ValidationΒΆ

Mongoid includes ActiveModel::Validations to supply the basic validation plus an additional associated and uniqueness validator.

See the ActiveModel::Validations documentation for more information.

Mongoid behaves slightly different to Active Record when using #valid? on already persisted data. Active Record’s #valid? will run all validations whereas Mongoid’s #valid? will only run validations on documents that are in memory as an optimization.

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