dbFeatureRowMapper = new DbFeatureRowMapper<Tag>(dbFeatureHistoryRowMapper);
dbFeatureRowMapper = new DbFeatureRowMapper<Tag>(dbFeatureHistoryRowMapper);
dbFeatureRowMapper = new DbFeatureRowMapper<WayNode>(dbOrderedFeatureRowMapper);
dbFeatureRowMapper = new DbFeatureRowMapper<RelationMember>(dbOrderedFeatureRowMapper);
dbFeatureRowMapper = new DbFeatureRowMapper<RelationMember>(dbOrderedFeatureRowMapper);
dbFeatureRowMapper = new DbFeatureRowMapper<WayNode>(dbOrderedFeatureRowMapper);