locking_column=(value) Instance Public methods Set the column to use for optimistic

update_counters(id, counters) Instance Public methods Make sure the lock version

quoted_locking_column() Instance Public methods Quote the column name used for

locking_column() Instance Public methods The version column used for optimistic

locking_enabled?() Instance Public methods Returns true if the lock_o

reset_locking_column() Instance Public methods Reset the column used for optimistic

column_defaults() Instance Public methods