presto-hive/src/main/java/io/prestosql/plugin/hive/orc/OrcPageSource.java/NullColumn/NullColumn
class NullColumn:        public NullColumn(Type type)
        {
            this.type = requireNonNull(type, "type is null");
            this.nullBlock = type.createBlockBuilder(null, 1, 0)
                    .appendNull()
                    .build();
        }