presto-orc/src/main/java/io/prestosql/orc/stream/UncompressedOrcChunkLoader.java/UncompressedOrcChunkLoader/getCurrentCompressedOffset
class UncompressedOrcChunkLoader:    private int getCurrentCompressedOffset()
    {
        return hasNextChunk() ? 0 : toIntExact(dataReader.getSize());
    }