presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/ShardNodeId.java/Mapper/map
class Mapper:        @Override
        public ShardNodeId map(int index, ResultSet rs, StatementContext ctx)
                throws SQLException
        {
            return new ShardNodeId(
                    uuidFromBytes(rs.getBytes("shard_uuid")),
                    rs.getInt("node_id"));
        }