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Re: Javascript UDF return Empty results - Pig - [mail # user]
...Eran,It looks like the problem is in your return statement. Your Pig schema hasone field called 'result' of type 'long,' so you should return {'result':result}.-SvenOn Tue, Jun 18, 2013 at 8...
   Author: Sven Krasser, 2014-08-04, 21:47
[PIG-1965] Aggregation not working in conjunction with REGEX_EXTRACT_ALL - Pig - [issue]
...For the script below, the AVG function fails with an exception:a = load 'bug.txt' using TextLoader() as (line:chararray);c = foreach a generate FLATTEN (REGEX_EXTRACT_ALL (line, '.* f1S+) .*...
http://issues.apache.org/jira/browse/PIG-1965    Author: Sven Krasser, 2012-07-31, 19:36
Re: Null values while loading - Pig - [mail # user]
...Are the tabs for these columns still there? In that case, there should be an empty string in there. Something like this should work then:  Y = foreach X generate     (A == '' ...
   Author: Sven Krasser, 2011-05-25, 23:24
Re: TOP ordering - Pig - [mail # user]
...At a glance it could be this: The first field in D.A is of type chararray, but TOP orders based on long. -Sven  On Tue, Apr 26, 2011 at 6:11 AM, ugo jardonnet wrote:     http:...
   Author: Sven Krasser, 2011-04-26, 14:46
Re: Unit testing my Pig script - Pig - [mail # user]
...On Tue, Apr 26, 2011 at 1:05 AM, Shai Harel  wrote:   See here: http://pig.apache.org/docs/r0.8.0/pigunit.html   http://sites.google.com/site/krasser/...
   Author: Sven Krasser, 2011-04-26, 14:28
Re: How to remove the field key from bags tuples after a GROUP ? - Pig - [mail # user]
...Sounds like the "Nested Projection" example in http://pig.apache.org/docs/r0.8.0/piglatin_ref2.html#FOREACH is what you're looking for. -Sven  On Wed, Apr 20, 2011 at 7:07 AM, Vincent B...
   Author: Sven Krasser, 2011-04-20, 16:12
Re: regex_extract - escaping characters - Pig - [mail # user]
...Hey Jonathan,  You need to escape the backslash as well (it has a meaning in the string literals in Pig):  b = FILTER a BY REGEX_EXTRACT(f1,'(.*)\\:(.*)',1) == 'hi';  If you'd...
   Author: Sven Krasser, 2011-04-20, 00:02
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB