ActiveRecord::Locking::Optimistic::ClassMethods

     # File lib/active_record/locking/optimistic.rb, line 149
149:         def locking_column
150:           reset_locking_column
151:         end

     # File lib/active_record/locking/optimistic.rb, line 138
138:         def locking_enabled?
139:           lock_optimistically && columns_hash[locking_column]
140:         end

     # File lib/active_record/locking/optimistic.rb, line 154
154:         def quoted_locking_column
155:           connection.quote_column_name(locking_column)
156:         end

     # File lib/active_record/locking/optimistic.rb, line 159
159:         def reset_locking_column
160:           set_locking_column DEFAULT_LOCKING_COLUMN
161:         end

     # File lib/active_record/locking/optimistic.rb, line 143
143:         def set_locking_column(value = nil, &block)
144:           define_attr_method :locking_column, value, &block
145:           value
146:         end

     # File lib/active_record/locking/optimistic.rb, line 165
165:         def update_counters(id, counters)
166:           counters = counters.merge(locking_column => 1) if locking_enabled?
167:           super
168:         end