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Re: Introducing Parquet: efficient columnar storage for Hadoop. - Pig - [mail # user]
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...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. ...
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Author: Jonathan Coveney,
2013-03-12, 22:07
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[PIG-2360] Grammar should be as consistent as possible within and without foreach blocks - Pig - [issue]
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...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'...
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http://issues.apache.org/jira/browse/PIG-2360
Author: Jonathan Coveney,
2013-03-07, 02:08
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Re: Pig script compiling too slow with pig-0.10 and pig-0.11 - Pig - [mail # user]
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...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...
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Author: Jonathan Coveney,
2013-03-06, 13:21
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Re: avoiding Group by or filter - Pig - [mail # user]
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...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...
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Author: Jonathan Coveney,
2013-03-05, 22:06
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Re: Pig job result output and schema - Pig - [mail # user]
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...if you use the alias "@", it should properly dump etc the last alias. If not file a JIRA. 2013/3/5 Jeff Yuan ...
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Author: Jonathan Coveney,
2013-03-05, 22:03
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[PIG-3136] Introduce a syntax making declared aliases optional - Pig - [issue]
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...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...
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http://issues.apache.org/jira/browse/PIG-3136
Author: Jonathan Coveney,
2013-03-05, 17:44
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Re: UDF to calculate Average of whole dataset - Pig - [mail # user]
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...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...
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Author: Jonathan Coveney,
2013-03-05, 11:17
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Re: avoiding Group by or filter - Pig - [mail # user]
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...Why don't you want to group? 2013/3/5 Preeti Gupta ...
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Author: Jonathan Coveney,
2013-03-05, 11:14
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Re: Review Request: PIG-3215 [piggybank] Add LTSVLoader to load LTSV files - Pig - [mail # dev]
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... Cheolsoo is totally correct. That said, this should probably be documented better. Also, the fact that we rely on an implicit foreach is so gross... but this is how you do it! ...
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Author: Jonathan Coveney,
2013-03-04, 15:05
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[PIG-3232] Refactor Pig so that configurations use PigConfiguration wherever possible - Pig - [issue]
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http://issues.apache.org/jira/browse/PIG-3232
Author: Jonathan Coveney,
2013-03-04, 14:59
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