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Is there a workaround to "Projection map of new predecessor is null" ?? - Pig - [mail # user]
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...Hi guys, I wanted to check if anybody has fixed this error and recall how to fix it? 2010-09-21 14:43:46,288 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2160: Error during fi...
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Author: hc busy,
2010-09-21, 21:52
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Re: Problem with Pig Store command - Pig - [mail # user]
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...probly because load failed. W = load 'wordbag' using PigStorage(' ') as (f1:int, f2:int, name:chararr ay, type:chararray); T = group W all; U = foreach T generate COUNT(W); dump U; &nb...
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Author: hc busy,
2010-09-21, 21:48
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Re: how do I convert int to double in PigLatin? - Pig - [mail # user]
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...Hmm, I apologize. I am now unable to find the situation where I saw an exception trying to cast a long to a double. My script basically takes a bunch of results of COUNT's and divide t...
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Author: hc busy,
2010-07-19, 23:31
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Re: Any better way to ensure unicity ? - Pig - [mail # user]
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...Hmmm.... I didn't know you can go crazy like that. I take back that I said Pig is not concise and inelegant. Oh, there isn't a way to extend the language. I mean, unless while I wasn't...
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Author: hc busy,
2010-07-16, 21:25
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Re: Any better way to ensure unicity ? - Pig - [mail # user]
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...But, to be clear, PigLatin is easy to read tho, so far, even with a 2k line script... On Thu, Jul 15, 2010 at 3:33 PM, hc busy wrote: e: em e ve . e: th er s h ATE nk a n s...
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Author: hc busy,
2010-07-15, 22:39
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how do I convert int to double in PigLatin? - Pig - [mail # user]
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...if my table is: t = load 'data' as (v:int, c:int); and I want to do u = foreach t generate c/v as cov; how do I get fraction out of this? because u = foreach t ...
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Author: hc busy,
2010-07-15, 22:35
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Re: Any better way to ensure unicity ? - Pig - [mail # user]
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...LIMIT is an extra line to type. But I guess if we're using pig, we don't really care for elegance and concision huh? On Wed, Jul 14, 2010 at 12:25 PM, Dmitriy Ryaboy wrote ...
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Author: hc busy,
2010-07-15, 22:33
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Re: Any better way to ensure unicity ? - Pig - [mail # user]
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...Write a UDF called takeOne() that takes the first thing from the bag and returns it. The only problem that I'm having is that this UDF cannot signal to pig that it is done. So th...
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Author: hc busy,
2010-07-14, 17:39
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Re: GROUP_CONCAT function - Pig - [mail # user]
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...Yeah, you can definitely accomplish that in an UDF. it would take one parameter which is a bag and performs string concatenation on the members of the bag. the UDF would be like a reducer th...
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Author: hc busy,
2010-07-07, 17:14
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Re: DateTime Proposal Request for Comment - Pig - [mail # user]
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...+1 to making more things built-in. I think defaulting to use the timezone on the machine on which the grunt/Pig is invoked, followed by an option to specify what timezone to use will b...
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Author: hc busy,
2010-07-06, 17:17
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