hyperloop-rails / powerstation Goto Github PK

irb(main):007:0> User.where(email: 'email').exists?
  User Exists (1.0ms)  SELECT  1 AS one FROM `users` WHERE `users`.`email` = 'email' LIMIT 1
=> false
irb(main):008:0> User.where(email: 'email').any?
  User Exists (0.4ms)  SELECT  1 AS one FROM `users` WHERE `users`.`email` = 'email' LIMIT 1
=> false
irb(main):009:0> User.find_by(email: 'email')
  User Load (0.4ms)  SELECT  `users`.* FROM `users` WHERE `users`.`email` = 'email' LIMIT 1
=> nil
irb(main):010:0> User.where(email: 'email').first
  User Load (0.5ms)  SELECT  `users`.* FROM `users` WHERE `users`.`email` = 'email' ORDER BY `users`.`id` ASC LIMIT 1
=> nil