-Re: Finding maximum across a row
bejoy_ks@... 2013-03-01, 17:13
You could get the detailed ateps from hive wiki itself
Sent from remote device, Please excuse typos
From: Sachin Sudarshana <[EMAIL PROTECTED]>
Date: Fri, 1 Mar 2013 22:37:54
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Subject: Re: Finding maximum across a row
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?
On Fri, Mar 1, 2013 at 10:22 PM, <[EMAIL PROTECTED]> wrote:
> Hi Sachin
> AFAIK There isn't one at the moment. But you can easily achieve this using
> a custom UDF.
> Bejoy KS
> Sent from remote device, Please excuse typos
> *From: * Sachin Sudarshana <[EMAIL PROTECTED]>
> *Date: *Fri, 1 Mar 2013 22:16:37 +0530
> *To: *<[EMAIL PROTECTED]>
> *ReplyTo: * [EMAIL PROTECTED]
> *Subject: *Finding maximum across a row
> 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
Thanks and Regards,