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[expand - 1 more] - Re: UDF that takes bag as input and returns another bag - Pig - [mail # user]
...Ah, I suppose I was just proving it oculd be done.  To make a new one, you'd do:  public class MyUdf extends EvalFunc {   private static final BagFactory mBagFactory = BagFact...
   Author: Jonathan Coveney, 2013-03-18, 15:01
[expand - 1 more] - Re: Loader partitioning on field - Pig - [mail # user]
...If it is being passed in anyway, you could make it a $PARAM that is set by the launch script, and then it would be a constant in the script.   2013/3/14 Jeff Yuan  ...
   Author: Jonathan Coveney, 2013-03-15, 10:17
Re: How to control a number of reducers in Apache Pig - Pig - [mail # user]
...The script you posted wouldn't have any reducers, so it wouldn't matter. It's a map only job.   2013/3/15  ...
   Author: Jonathan Coveney, 2013-03-15, 10:15
Re: Introducing Parquet: efficient columnar storage for Hadoop. - Pig - [mail # user]
...Super excited that this is finally public. The benefits are huge, and having an (eventually) battle tested columnar storage format developed for a diverse set of needs will be awesome.  ...
   Author: Jonathan Coveney, 2013-03-12, 22:07
[PIG-2360] Grammar should be as consistent as possible within and without foreach blocks - Pig - [issue]
...This works:a = load 'thing';b = foreach (group a all) {  sorted = order a by $0;  top = limit sorted 100;  generate flatten(top);}This does not:a = load 'thing'...
http://issues.apache.org/jira/browse/PIG-2360    Author: Jonathan Coveney, 2013-03-07, 02:08
Re: Pig script compiling too slow with pig-0.10 and pig-0.11 - Pig - [mail # user]
...Can you try this on trunk and let me know if you have a similar error?  Also can you turn on DEBUG and say if it is taking forever during or after parsing?   2013/3/6 Haitao Yao &n...
   Author: Jonathan Coveney, 2013-03-06, 13:21
[expand - 1 more] - Re: avoiding Group by or filter - Pig - [mail # user]
...There have been a number of explanations on the topic before, so I would prefer to point at one of them (or ensure we document it better), but basically all of the aggregation functions we u...
   Author: Jonathan Coveney, 2013-03-05, 22:06
Re: Pig job result output and schema - Pig - [mail # user]
...if you use the alias "@", it should properly dump etc the last alias. If not file a JIRA.   2013/3/5 Jeff Yuan  ...
   Author: Jonathan Coveney, 2013-03-05, 22:03
[PIG-3136] Introduce a syntax making declared aliases optional - Pig - [issue]
...This is something Daniel and I have talked about before, and now that we have the @ syntax, this is easy to implement. The idea is that relation names are no longer required, and you can ins...
http://issues.apache.org/jira/browse/PIG-3136    Author: Jonathan Coveney, 2013-03-05, 17:44
Re: UDF to calculate Average of whole dataset - Pig - [mail # user]
...dividends = load 'try.txt' a = foreach dividends generate FLATTEN(TOBAG(*)); b = foreach (group a all) generate CalculateAvg($1);  I think that should work   2013/3/5 pablomar &nbs...
   Author: Jonathan Coveney, 2013-03-05, 11:17
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