private Array ReadNativeArrayUnsafe <T>(long byteIndex, int length)
{
T[] array = new T[length];
UnsafeArrayReader <T> .ReadArray(View, byteIndex, array, 0, length);
return(array);
}
// Map from the memory mapped file
internal void UnsafeFastGetRowRange <T>(long translatedRowIndex, long translatedColumnIndex, T[] array, int destinationIndex, int length)
{
var columnMetadata = Metadata.Columns[translatedColumnIndex];
var entrySize = columnMetadata.Type.GetAlignment();
var dataStart = columnMetadata.DataOffset;
var byteOffset = translatedRowIndex * entrySize;
var byteIndex = dataStart + byteOffset;
UnsafeArrayReader <T> .ReadArray(View, byteIndex, array, 0, length);
}