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Re: Json Parsing in Apache Pig - Pig - [mail # user]
...One simple way is to write a UDF that will act as Json parser. Load yourdata and then call your UDF to parse and extract whatever you want from theJson. You need to build what you want to ge...
   Author: praveenesh kumar, 2014-07-25, 12:02
STRSPLIT should return a bag rather than a tuple - Pig - [mail # dev]
...Hi there,I had a scenario, which required me to change the STRSPLIT code. Thescenario was as follows:I have a data like:1       A|1|1   some2       B|2|2 &...
   Author: praveenesh kumar, 2014-03-21, 16:52
Re: How should I insert EMPTY values into pig - Pig - [mail # user]
...I am just curious why would you want to do that. Because you can use thenulls from pig in the same way as empty values. At the end, if you outputthem back, you won't get null values, you wou...
   Author: praveenesh kumar, 2014-02-27, 14:28
Re: PIG Script to aggregate data while grouping - Pig - [mail # user]
...You need something like this ?I = Group H by (word,date);J = FOREACH I generate group,COUNT($1);dump J;RegardsPravOn Thu, Feb 20, 2014 at 10:49 AM, Sai Krishna Kalyan (GSS BLR) <[EMAIL PR...
   Author: praveenesh kumar, 2014-02-20, 10:53
[expand - 3 more] - Re: java.lang.OutOfMemoryError: Java heap space - Pig - [mail # user]
...Hi Park,Your explanation makes perfect sense in my case. Thanks for explaining whatis happening behind the scenes. I am wondering you used normal javacompression/decompression or is there a ...
   Author: praveenesh kumar, 2014-02-07, 16:45
[expand - 1 more] - Re: Passing command line arguments - Pig - [mail # user]
...Thanks :)    On Fri, Dec 6, 2013 at 4:36 PM, Serega Sheypak wrote:  ...
   Author: praveenesh kumar, 2013-12-06, 16:55
Re: Calling pig from R - Pig - [mail # user]
...try system.call( ) method.   On Wed, Oct 2, 2013 at 8:46 PM, Mohit Singh  wrote:  ...
   Author: praveenesh kumar, 2013-10-02, 19:55
[expand - 2 more] - Re: Splitting by unique values in a relation - Pig - [mail # user]
...Okay, I might not be able to explain the right scenario. Apologize if I was not clear enough with my problem.  My scenario -  I have a relation A, that has unique number of (unknow...
   Author: praveenesh kumar, 2013-09-16, 00:06
Re: in statement - Pig - [mail # user]
...Write a UDF that takes tuples/bag as input. Then do whatever processing you want to do with the values inside the bag/tuple. Look how COUNT/SUM UDF is written, you will get better picture. &...
   Author: praveenesh kumar, 2012-05-25, 10:29
Re: [pig-0.10.0]: what jar are included in pig-0.10.0.jar and pig-0.10.0-withouthadoop.jar? - Pig - [mail # user]
...As far as I know pig-0.10.0-withouthadoop.jar is generally used when you want to use your own distribution of hadoop to use with PIG. Having said that, yes it won't include any hadoop depend...
   Author: praveenesh kumar, 2012-05-22, 10:25
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