// uses sparse rows
Object[] row = new Object[2];
row[1] = overflowHandle;
// we are expanding the record to have 2 fields, the second field is the overflow pointer.
FormatableBitSet validColumns = new FormatableBitSet(2);
validColumns.set(1);
// Use the slot interface as we don't need a lock since
// the initial insert/update holds the lock on the first
// portion of the record.
int slot = getSlotNumber(handle);