ActiveRecord Validation, Callback, Observer
Active Record Validations and Callbacks - Ruby on Rails guides
trigger validations
create | create! |
save | save! |
update | |
update_attributes | update_attributes! |
skip validations
save(false) | |
update_all | |
update_attribute | update_counters |
decrement! | decrement_counter |
increment! | increment_counter |
toggle! |
Validation
Module: ActiveRecord::Validations::ClassMethods
ActiveRecord::Validations
Never forget your first resolution.
検証の宣言を使用する | メモ帳