Sorting OTBI Report Worker Assignment Event Real Time Subject Area

Summary:

I am struggling to sort my OTBI reports by more than one column, I am able to sort by Person Number OR start date but not Person Number then Start Date. It seems highly illogical to me that the dates are not shown in any particular order. I would like to understand what controls the order of the data, I suspect there is an element of user error..

I am interested in the start and end dates for position changes. I have used the following formulae to get the position start and end dates:

Position Start Date

CASE WHEN "Assignment Event Details"."Effective Start Date">= "Worker Payroll"."Payroll Start Date" THEN