Solutions from Eran & Yanbo are working well. Thank you. 
@Eran,
Your solution worked with a small change. 
DF.withColumn("upper-code",upper(df("countrycode"))). 

This creates a new column "upper-code". Is there a way to update the column or 
create a new df with update column? 

Thanks,Raja

    On Thursday, 24 December 2015 6:17 PM, Eran Witkon <eranwit...@gmail.com> 
wrote:
 

 Use DF.withColumn("upper-code",df("countrycode).toUpper))or just run a map 
function that does the same
On Thu, Dec 24, 2015 at 2:05 PM Bharathi Raja <raja...@yahoo.com.invalid> wrote:

Hi,
Values in a dataframe column named countrycode are in different cases. Eg: (US, 
us).  groupBy & count gives two rows but the requirement is to ignore case for 
this operation.
1) Is there a way to ignore case in groupBy? Or
2) Is there a way to update the dataframe column countrycode to uppercase?

Thanks in advance.

Regards,
Raja


  

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