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Unable to run pig script with hcatalog - Pig - [mail # user]
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...Hi, I am trying to run a simple script with hcatalog and am running into issues. Here is the pig script test.pig deepika_data = load 'hivetest' using org.apache.hcat...
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Author: Khera, Deepika,
2013-05-22, 21:13
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Unable to run pig script with catalog - Pig - [mail # user]
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...I am trying to run a simple script with hcatalog and am running into issues. Here is the pig script test.pig deepika_data = load 'hivetest' using org.apache.hcatalog.pig.H...
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Author: Khera, Deepika,
2013-05-22, 21:02
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[PIG-3269] In operator support - Pig - [issue]
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...This is another language improvement using the same approach as in PIG-3268.Currently, Pig has no support for IN operator. To mimic it, users often have to concatenate several OR operators.F...
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http://issues.apache.org/jira/browse/PIG-3269
Author: Cheolsoo Park,
2013-05-22, 20:12
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[PIG-3336] Change IN operator to use or-expressions instead of EvalFunc - Pig - [issue]
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...Currently, IN operator uses EvalFunc<Boolean> to evaluate result. This is not friendly with ProjectPushdown and hence values filtered by IN operator are not pushed to the loaders. We n...
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http://issues.apache.org/jira/browse/PIG-3336
Author: Aniket Mokashi,
2013-05-22, 20:10
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Anyone have any advice on how to solve: "ERROR 2087: Unexpected problem during optimization. Found index:0 in multiple LocalRearrange operators." - Pig - [mail # user]
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...So I've got two relations: pageview counts by a GUID and URL and events by the same GUID and url. I'm trying to join them, but I keep getting this error: "ERROR 2087: Unexpected problem duri...
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Author: JT Zemp,
2013-05-22, 19:14
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Scope in Explain - Pig - [mail # user]
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...Hello, Can anyone explain a little bit what the scope mean when I execute Explain? I didn't find much about how to interpret the Explain output. Thanks. T.E....
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Author: Thomas Edison,
2013-05-22, 18:47
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Use Pig to parse JSON objects - Pig - [mail # user]
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...Hi all, I have a two fields in my pig input file. Let's say product_id and description. Description is a JSON objects that actually describes the product. Is there an...
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Author: Thomas Edison,
2013-05-22, 17:01
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Re: Complex joins - Pig - [mail # user]
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...I think you want something like this: X = load 'data3' as (a: chararray, b: bag{(c: chararray)}); Y = foreach X generate a, FLATTEN(b); It looks like the schema for data3 is not ...
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Author: Pradeep Gollakota,
2013-05-22, 16:41
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Re: Complex joins - Pig - [mail # user]
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...Looks like you're probably not reading the data in correctly. Perhaps you need to specify the USING PigStorage() syntax and specify the correct delimiter as an argument. Also, if you w...
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Author: Sergey Goder,
2013-05-22, 16:32
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Re: Complex joins - Pig - [mail # user]
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...Actually I think you're right, the process in map/reduce isn't so different. However, after trying to do this, we can't understand the output we see below. We expected to see only '3' ...
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Author: Ho Duc Ha,
2013-05-22, 15:51
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