presto-hive/src/main/java/io/prestosql/plugin/hive/util/TempFileWriter.java/TempFileWriter/writePage
class TempFileWriter:    public void writePage(Page page)
    {
        try {
            orcWriter.write(page);
        }
        catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }