Ruby on Rails - Pessimistic locking in ruby on rails- ruby on rails tutorial - rails guides - rails tutorial - ruby rails

appointment = Appointment.find(5)
appointment.lock!
#no other users can read this appointment, 
#they have to wait until the lock is released
appointment.save! 
#lock is released, other users can read this account

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Ruby on Rails - Pessimistic locking in ruby on rails- ruby on rails tutorial - rails guides - rails tutorial - ruby rails

Pessimistic Locking

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