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Re: CONCAT(null, "something") == NULL ? - Pig - [mail # user]
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...thanks guys, now I see that returning NULL makes sense On Fri, Nov 2, 2012 at 3:40 PM, Cheolsoo Park wrote: ...
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Author: Yang,
2012-11-05, 17:15
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CONCAT(null, "something") == NULL ? - Pig - [mail # user]
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...looks a more intuitive result should be "something" , right? but on my system it gave null...
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Author: Yang,
2012-11-02, 22:09
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Re: debug feature?? - Pig - [mail # user]
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...nice, thanks macros and mock.Storage() are both new to me, I believe it will help a lot On Mon, Oct 22, 2012 at 5:32 PM, Dmitriy Ryaboy wrote: ...
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Author: Yang,
2012-10-23, 18:11
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Re: debug feature?? - Pig - [mail # user]
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...I am using PigUnit, but it's somewhat limited: it can run only localmode, so I can't find issues that come with fairly large test data; you have to create small snippets of code that you cut...
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Author: Yang,
2012-10-19, 19:01
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Re: debug feature?? - Pig - [mail # user]
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...yes, this is what I'm doing, but manually adding and removing the STORE and LOAD commands is difficult, and more importantly it adds the possibility to introduce bugs during the code c...
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Author: Yang,
2012-10-19, 18:57
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debug feature?? - Pig - [mail # user]
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...one of the greatest pains I face with debugging a pig code is that the iteration cycles are really long: the applications for which we use pig typically deal with large dataset, and if a pig...
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Author: Yang,
2012-10-19, 09:09
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ovoid "::" schema spec after join? - Pig - [mail # user]
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...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...
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Author: Yang,
2012-10-11, 22:31
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validation on schema vs real object type when writing out udf schema - Pig - [mail # user]
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...I just debugged through a very nasty bug where I did GENERATE ..... 1 AS myfield .... and later GENERATE myUdf(.... myfield....). where myUdf basically copies...
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Author: Yang,
2012-09-05, 18:43
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Udf to operate on a huge bag? - Pig - [mail # user]
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...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 ...
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Author: Yang,
2012-08-24, 02:00
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PigUnit dropping a lot of temp files? - Pig - [mail # user]
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...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...
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Author: Yang,
2012-08-14, 18:26
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