presto-hive/src/main/java/io/prestosql/plugin/hive/orc/OrcPageSourceFactory.java/OrcPageSourceFactory/OrcPageSourceFactory
class OrcPageSourceFactory:    @Inject
    public OrcPageSourceFactory(OrcReaderConfig config, HdfsEnvironment hdfsEnvironment, FileFormatDataSourceStats stats)
    {
        this(requireNonNull(config, "config is null").isUseColumnNames(), config.toOrcReaderOptions(), hdfsEnvironment, stats);
    }