presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/OrcPageSource.java/OrcPageSource/close
class OrcPageSource:    @Override
    public void close()
    {
        if (closed) {
            return;
        }
        closed = true;

        try {
            recordReader.close();
        }
        catch (IOException e) {
            throw new PrestoException(RAPTOR_ERROR, e);
        }
    }