When transforming data I have a situation. A field called "Booking Qtr" comes in from a source with 4 choices right now:
FY19-Q3
FY19-Q4
FY20-Q1
FY20-Q2
When we are in Q4, FY19-Q3 "drops off" an then the data will also have records with FY20-Q3.
I want only 2 groups of data: "Current", which...