presto-rcfile/src/main/java/io/prestosql/rcfile/RcFileReader.java/RcFileReader/skipTo
class RcFileReader:        private void skipTo(int position)
                throws IOException
        {
            checkArgument(currentPosition <= position, "Invalid position");
            for (; currentPosition < position; currentPosition++) {
                int valueLength = readNextValueLength();
                currentOffset += valueLength;
            }
        }