If your ability to query can manage sorting on two fields, this can be resolved by sorting on the field first, then the primary key as a secondary field. If I'

If your ability to query can manage sorting on two fields, this can be resolved by sorting on the field first, then the primary key as a secondary field. If I'm sorting by last name, and I sort by last name, then id, I can save the cursor as last name + id, and be able to continue right where I left off.