Generate attribute: Column name* macro

Teja_Varanasi

I am trying to do this
A B C D
2 1  1 4
3 2  4 1
'
using generate attribute i want to multiply each column with macro but i am getting error ( '*' must have a argument of type numerical).
A* macro like that i have given function.

Caperez

Hi @Teja_Varanasi, 

When you use a macro name into a formula you need to include and eval operator, e.g. eval(%{macro_name})

Best, 

Cesar