Rails validate uniqueness

Rails validators

validates :name, length: { minimum: 2 } # or { maximum: 500 } or { in: 6..20 } or { is: 6 } 
validates :name, :login, :email, presence: true
validates :email, uniqueness: true
validates :switch, inclusion: { in: [true, false]  }
validates :terms_of_service, acceptance: true
validates :size, inclusion: { in: %w(small medium large), message: "%{value} is not a valid size" }
validates :legacy_code, format: { with: /\A[a-zA-Z]+\z/, message: "only allows letters" }

Source: guides.rubyonrails.org

Rails validate uniqueness

validates :email, uniqueness: true

Similar codes

0 vote160 views1 answer
Ruby does object exist in array
Ruby
1 vote167 views2 answers
Can joker have Azathoth
Ruby
0 vote164 views1 answer
Record count by month in rails
Ruby
0 vote164 views1 answer
How to delete database in rails
Ruby
0 vote157 views2 answers
How to handle permission in rails
Ruby
1 vote174 views1 answer
How to format date and time in rails
Ruby
0 vote159 views1 answer
Ruby create engine using rspec and dummy
Ruby
0 vote155 views1 answer
Rails setup test db
Ruby
0 vote161 views1 answer
Rails undo generate model
Ruby
1 vote171 views1 answer
Run rspec parallel
Ruby