module Sequel::Plugins::OptimisticLockingBase::ClassMethods

Attributes

The column holding the version of the lock

Private Instance Methods

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
21 def prevent_lock_column_increase!
22   lc = lock_column
23   define_method(:"#{lc}=") do |v|
24     unless v && (lv = send(lc)) && v > lv
25       super(v)
26     end
27   end
28 end

Prevent increasing the value of the lock column. If the lock column has an existing value, do not allow setting a value that is higher than it.

Calls superclass method