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May 18, 2010 at 08:59 AM

UDF required

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Hi,

I am trying to do a mapping where in I am in need of a UDF to get this working.

I have three values a and b. if a = yyy and b = zzz

If b is present then in output I need yyyzzz - - - constant ( three dash and a constant )

if b is not present then it must be yyyzzzconstant no - - is needed. ( no dash in this case )

I have done this using standard function. I want to check using UDF for my understanding.