method
attributes_from_column_definition
v3.1.0 -
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Class: ActiveRecord::Locking::Optimistic
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attributes_from_column_definition()
private
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# File activerecord/lib/active_record/locking/optimistic.rb, line 68 def attributes_from_column_definition result = super # If the locking column has no default value set, # start the lock version at zero. Note we can't use # <tt>locking_enabled?</tt> at this point as # <tt>@attributes</tt> may not have been initialized yet. if result.key?(self.class.locking_column) && lock_optimistically result[self.class.locking_column] ||= 0 end result end