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Re: UDF with two Bag one per group and one 'static' - Pig - [mail # user]
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...Is there a Java preprocessor? On Fri, Apr 30, 2010 at 9:54 AM, Dmitriy Ryaboy wrote: ...
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Author: hc busy,
2010-04-30, 16:57
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Re: UDF with two Bag one per group and one 'static' - Pig - [mail # user]
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...Sometimes, I find it necessary to project before performing the group by. Because there isn't support for functions or #def's it's not possible to pass in which column to group by, except to...
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Author: hc busy,
2010-04-30, 16:45
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Re: how to debug pig with ERROR 6017 - Pig - [mail # user]
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...Okay, just went through and 'describ'ed every table. types all seem fine. The failure happens about 10 minutes into the execution... so it's a second or third MR failing to read something in...
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Author: hc busy,
2010-04-30, 04:50
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Re: how to debug pig with ERROR 6017 - Pig - [mail # user]
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...I tried to turn optimization offer per collegue's suggestion, and it still failed the same place. No error from the hadoop UI. On Thu, Apr 29, 2010 at 4:05 PM, hc busy wrote: &nb...
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Author: hc busy,
2010-04-30, 01:34
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how to debug pig with ERROR 6017 - Pig - [mail # user]
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...Hey guys, I'm trying to figure out why my pig script crashes half way (after 2 or 3 mr's) The error is below. I took a dump of the plan and didn't see anything suspicious except that the mis...
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Author: hc busy,
2010-04-29, 23:05
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Re: how to compare? - Pig - [mail # dev]
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...I'm not sure. If the type of two things that I am comparing (typically same field of tuples inside a bag) I expect it to throw an error instead of ordering the results by the datatype. ...
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Author: hc busy,
2010-04-28, 16:35
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how to compare? - Pig - [mail # dev]
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...guys, I'm implementing that ExtremalTupleByNthField and I have a question about comparison... So, when I have parsed out the two objects that I want to compare how do I perform that c...
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Author: hc busy,
2010-04-28, 05:12
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cross join - Pig - [mail # user]
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...guys, I'm looking at the doc's for CROSS join and noticed that it's not really a cross join, more rather just a cross: alias = CROSS alias, alias [, alias …] [PARALLEL n]; there...
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Author: hc busy,
2010-04-28, 02:21
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Re: chaining pig scripts - Pig - [mail # user]
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...Has anybody had success with a 'touch' statement inside of pigscript and a separate process polling to see when that file completes? script 1 touch /markers/stage_one_complete then jav...
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Author: hc busy,
2010-04-27, 16:33
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Re: takeOne - Pig - [mail # user]
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...yeah, but that's a bag of one item. I want to take one and get that thing inside U = foreach t generate takeOne({(1,2,3)}); I want the result of takeOne to be a long with value 1...
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Author: hc busy,
2010-04-27, 05:34
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