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Hive, mail # user - Finding maximum across a row

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Finding maximum across a row
Sachin Sudarshana 2013-03-01, 16:46

Is there any function/method to find the maximum across a row in hive?

Suppose i have a table like this:

ColA   ColB   ColC
2          5          7
3          2          1

I want the function to return

Its urgently required. Any help would be greatly appreciated!

Thanks and Regards,
                Sachin Sudarshana