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[expand - 5 more] - RE: pig 0.12.0 ERROR 2998: Unhandled internal error. com.google.common.collect.ImmutableSet.of - Pig - [mail # user]
...Ok, I figured out the problem. I have a customized hadoop conf directory. In hadoop-env.sh file, I defined an "extra java classpath" as  export HADOOP_CLASSPATH="/usr/lib/hadoop/lib/*:/...
   Author: Danfeng Li, 2013-03-13, 17:05
[expand - 1 more] - RE: Multiple CurrentTime calls return the same timestamp - Pig - [mail # user]
...So if I understand it correctly, for the same run, all the CurrentTime() will return the same timestamp. I wonder if there any udf can provide runtime timestamp.  Thanks. Dan  From...
   Author: Danfeng Li, 2013-02-27, 19:02
[expand - 1 more] - RE: error when using CurrentTime() - Pig - [mail # user]
...Hi, Cheolsoo,   Sorry for the late reply. I figured it out it's due to my environmental variables are still point to the old version of pig. Thanks for looking into this.   I do ha...
   Author: Danfeng Li, 2013-02-26, 23:04
Unhandled internal error. Java heap space when using EXPLAIN in pig - Pig - [mail # user]
...When I try to use the following statement explain -brief A; I got the following error 2013-02-06 19:18:34,250 [Low Memory Detector] INFO     org.apache.pig.impl.util.SpillableMemor...
   Author: Danfeng Li, 2013-02-07, 22:42
self cross doesn't work as expected - Pig - [mail # user]
...If I self cross a relation, I got the original relation, which is not expected.  The input: A.txt 1 2 3  The code: A = load 'A.txt' as (id:chararray); B = cross A, A; dump B; (1) (...
   Author: Danfeng Li, 2012-12-29, 01:44
[expand - 1 more] - RE: pig ship tar files - Pig - [mail # user]
...Thanks, but I'm still not quite clear on how to do it.  "...One way to work around this limitation is to tar all the dependencies into a tar file that accurately reflects the structure ...
   Author: Danfeng Li, 2012-12-20, 20:00
[expand - 1 more] - RE: REPLACE with backslash - Pig - [mail # user]
...You mean instead of  REPLACE(name,'dir','\\\\\\\\test\\\\sub'); Using  REPLACE(name,'dir','[\\]test[\]sub'); ?  It seems not working for me.  Thanks. Dan  From: Віта...
   Author: Danfeng Li, 2012-09-08, 20:44
[expand - 2 more] - RE: runtime exception when load and store multiple files using avro in pig - Pig - [mail # user]
...Hi, Cheolsoo,  If we can allow string as index, then it should be backward compatible and  also give us ability to separate schema without the need to track them.  Thanks. Dan...
   Author: Danfeng Li, 2012-08-22, 05:43
[expand - 2 more] - RE: how to get input schema in UDF - Pig - [mail # user]
...Ok, I found the solution  Replace  Schema tupleSchema = new Schema(input.getFields()); With  Schema tupleSchema = new Schema(input.getField(0).schema.getField(0).sche ma.getFi...
   Author: Danfeng Li, 2012-08-14, 01:08
looking for example using pig correlation UDF - Pig - [mail # user]
...In piggybank there is org.apache.pig.piggybank.evaluation.stats.COR, but it 's deprecated. There are also COR.Final, COR.Initial and COR.Intermed.  I tried to find some examples, but un...
   Author: Danfeng Li, 2012-07-19, 18:23
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