[RBASE-L] - IF NULL STATEMENT OR QUALIFIER

[Steve Breen]

I am trying to set vendor2 = v_vendor2 if vendor2 is null and if vendor2
is not null then I want to clear var v_vendor2.
 
I started with this so far.
 
not sure where to go from here?
 
 
 vendorn = (ifnull(.v_vendor
 
 
Steve