How to use

getRangeFor

method

in

io.prestosql.orc.CachingOrcDataSource$RegionFinder

@VisibleForTesting
void readCacheAt(long offset)
    throws IOException
{
  DiskRange newCacheRange = regionFinder.getRangeFor(offset);
  cachePosition = newCacheRange.getOffset();
  cacheLength = newCacheRange.getLength();
  if (cache.length < cacheLength) {
    cache = new byte[cacheLength];
  }
  dataSource.readFully(newCacheRange.getOffset(), cache, 0, cacheLength);
}

@VisibleForTesting
void readCacheAt(long offset)
    throws IOException
{
  DiskRange newCacheRange = regionFinder.getRangeFor(offset);
  cachePosition = newCacheRange.getOffset();
  cacheLength = newCacheRange.getLength();
  if (cache.length < cacheLength) {
    cache = new byte[cacheLength];
  }
  dataSource.readFully(newCacheRange.getOffset(), cache, 0, cacheLength);
}