ActiveRecord::Locking::Optimistic

What is Optimistic

Optimistic locking allows multiple users to access the same record for edits, and assumes a minimum of conflicts with the data. It does this by checking whether another process has made changes to a record since it was opened, an ActiveRecord::StaleObjectError exception is thrown if that has occurred and the update is ignored.

Check out ActiveRecord::Locking::Pessimistic for an alternative.

Usage

Active Records support optimistic locking if the field lock_version is present. Each upd