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[expand - 4 more] - Re: debug feature?? - Pig - [mail # user]
...ok, I found this practice to be useful:   I divide my code into sections, each section implemented as a macro.  then I debug each macro separately, at the end of each macro, I manu...
   Author: Yang, 2012-11-07, 21:05
[expand - 1 more] - Re: CONCAT(null, "something") == NULL ? - Pig - [mail # user]
...thanks guys, now I see that returning NULL makes sense     On Fri, Nov 2, 2012 at 3:40 PM, Cheolsoo Park  wrote:  ...
   Author: Yang, 2012-11-05, 17:15
ovoid "::" schema spec after join? - Pig - [mail # user]
...whenever after I do a  C= JOIN A,B then if I want to refer to some fields, I'd have to specify A::field1   A::field2 B::field3 B::field4  supposedly if the field names themsel...
   Author: Yang, 2012-10-11, 22:31
validation on schema vs real object type when writing out udf schema - Pig - [mail # user]
...I just debugged through a very nasty bug where I did  GENERATE .....  1 AS myfield ....   and later  GENERATE myUdf(.... myfield....).   where myUdf basically copies...
   Author: Yang, 2012-09-05, 18:43
Udf to operate on a huge bag? - Pig - [mail # user]
...if I group records into a huge bag, and hand over to a Udf, would the input tuple actually create a bag with all the records? that way it may generate a OOM ??  if indeed there is such ...
   Author: Yang, 2012-08-24, 02:00
PigUnit dropping a lot of temp files? - Pig - [mail # user]
...it's leaving behind a lot of temp files in /tmp/ dir  https://issues.apache.org/jira/browse/PIG-1391   supposedly should have fixed it.  but the pigunit-0.8.0.jar does not con...
   Author: Yang, 2012-08-14, 18:26
[expand - 3 more] - Re: FLATTEN(bag_of_tuples) error in 0.8.1 ? - Pig - [mail # user]
...we use cdh3u3,  unfortunately due to company ops experience, we'd have to stick to cdh3u3 and pig 0.8.1  On Wed, Jul 18, 2012 at 5:39 PM, Jonathan Coveney wrote:  ...
   Author: Yang, 2012-07-19, 00:48
[expand - 3 more] - Re: FLATTEN() behavior difference in 0.8.1 and 0.10.0 ? - Pig - [mail # user]
...actually FLATTEN(FLATTEN(....)) is not syntactically correct , at least in 0.8. also semantically it's not what I wanted either, cuz FLATTEN works on bags, while I wanted to project ALL fiel...
   Author: Yang, 2012-07-17, 19:51
who is resetting my mapred.map.tasks? - Pig - [mail # user]
...I have the following PIG script. In the beginning, I set the mapred.map.tasks   but when the job is launched,  I see from jobtracker UI that the job.xml shows that the mapred.map.t...
   Author: Yang, 2012-07-17, 00:15
[expand - 1 more] - Re: for UDF, figure out whether it's on a task tracker? - Pig - [mail # user]
...I see, thanks Jonathan.  On Tue, Jul 3, 2012 at 10:01 AM, Jonathan Coveney wrote:  ...
   Author: Yang, 2012-07-03, 17:05
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