Hi,
  I have a requirement  to use udf whose return type is not known in spark data 
frame sql. I have below requirementfunction takes either String  Or Boolean  
data types.function returns 1 or 0 based on whether Input argument is True or 
False.
If input string is in the form Integer or long return Int or long typesIf input 
String is in the form of Double return Double.
I could create function with Any return type  but I am not able register with 
sqlContext.udf.register statement.I tried Generic type but  could not register.
Kindly   advise me
ThanksJayachandra

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