int count = super.count;
if (count == 0) return null;
int [] pointers = (int[])super.pointers;
int [] pointersCopy = new int[count];
System.arraycopy(pointers, 0, pointersCopy, 0, count);
m.mergeSort(pointers, pointersCopy, 0, count);
return new MRSortResultIterator(super.keyValBuffer, pointersCopy,
super.startOffsets, super.keyLengths, super.valueLengths);
}
/** The implementation of the compare method from Comparator. This basically
* forwards the call to the super class's compare. Note that