How do you handle job data compensation retro adjustments

We have referential integrity turned on, so I expect when we make a compensation adjustment that Time Admin would then go back and retroactively calculate the compensation. What I have found is the following. When we change a component of pay (non base pay), then an entry is inserted into the RI table, the Earliest Change Date is updated to the EFFDT of the change, and Time Admin will go back and recalculate and add the missing pay to the payable time / pay lines. When we make a change to base pay on the compensation page, then an entry is inserted into the RI table, the Earliest Change Date is updated to the EFFDT of the change, however when Time Admin runs it does not add the missing pay to the payable time / pay lines. I have been told that our Payroll department instead has to manually calculate what should have been applied and all missing pay adjustments and enter them manually on the pay lines. Does anyone else see this in their standard business processing? To be clear, I expect it to instead find that there is a difference in pay and to load that difference to the pay lines even for the base pay.