Hi Sachin You could get the detailed ateps from hive wiki itself
https://cwiki.apache.org/Hive/hiveplugins.html Regards Bejoy KS Sent from remote device, Please excuse typos -----Original Message----- From: Sachin Sudarshana <sachin.sudarsh...@gmail.com> Date: Fri, 1 Mar 2013 22:37:54 To: <user@hive.apache.org>; <bejoy...@yahoo.com> Reply-To: user@hive.apache.org Subject: Re: Finding maximum across a row Hi Bejoy, I am new to UDF in Hive. Could you send me any link/tutorials on where i can be able to learn about writing the UDF? Thanks! On Fri, Mar 1, 2013 at 10:22 PM, <bejoy...@yahoo.com> wrote: > ** > Hi Sachin > > AFAIK There isn't one at the moment. But you can easily achieve this using > a custom UDF. > Regards > Bejoy KS > > Sent from remote device, Please excuse typos > ------------------------------ > *From: * Sachin Sudarshana <sachin.sudarsh...@gmail.com> > *Date: *Fri, 1 Mar 2013 22:16:37 +0530 > *To: *<user@hive.apache.org> > *ReplyTo: * user@hive.apache.org > *Subject: *Finding maximum across a row > > Hi, > > 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 > > 7 > 1 > > > Its urgently required. Any help would be greatly appreciated! > > > > -- > Thanks and Regards, > Sachin Sudarshana > -- Thanks and Regards, Sachin Sudarshana
