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Re: how to use builtin String functions - Pig - [mail # user]
...The functions need to be part of an expression in a relational operator, fo r example -  f = foreach l generate  REGEX_EXTRACT_ALL('', '(.*)\\:(.* )');  (the a...
   Author: Thejas M Nair, 2011-01-13, 02:03
Re: Joining inner and outer bags - Pig - [mail # user]
...    On 1/7/11 9:20 AM, "Kris Coward"  wrote:  I can't think of any limitations that would prevent you from writing such a n udf. You can pass the bag of events to the udf...
   Author: Thejas M Nair, 2011-01-07, 18:44
Re: FLATTEN eats null rows? - Pig - [mail # user]
...  On 12/30/10 4:35 PM, "Dexin Wang"  wrote:  What you are seeing is the expected/documented behavior of flatten - http://pig.apache.org/docs/r0.8.0/piglatin_ref2.html#Flatten+...
   Author: Thejas M Nair, 2010-12-31, 02:46
Re: Possible deficiency in describe? - Pig - [mail # user]
...BinStorage format should not change between pig versions. It is like an int erface, it should not change unless there is a very strong reason. It used to be the format used to (de)serialize ...
   Author: Thejas M Nair, 2010-12-29, 00:49
Re: How to contribute to Pig Wiki ? - Pig - [mail # user]
...Please create a jira to report any documentation issues and suggest any cha nges - https://issues.apache.org/jira/secure/CreateIssue!default.jspa  Use project pig, and component documen...
   Author: Thejas M Nair, 2010-12-22, 14:41
Re: running tests for pig 0.8 takes a long time? - Pig - [mail # user]
...The entire test suite ('ant test') takes several hours (I think 6+ on my ma chine), and on my machine I also need to increase the timeout so that skewj oin test cases don't fail because of t...
   Author: Thejas M Nair, 2010-12-17, 05:14
Re: [VOTE] Release Pig 0.8.0 (candidate 0) - Pig - [mail # dev]
...+1  Verified the md5 checksum. Ran few local, MR mode queries. Some unit tests  -Thejas    On 12/13/10 12:01 PM, "Olga Natkovich"  wrote:  Hi,  I have crea...
   Author: Thejas M Nair, 2010-12-14, 00:09
Re: ERROR 6015: During execution, encountered a Hadoop error | ERROR 1066: Unable to open iterator for alias grouped_records - Pig - [mail # user]
...It seems like a problem with hadoop configuration that is probably not specific to pig. Are you able to run other MR jobs, such as the wordcount example ?   I searched for the exception...
   Author: Thejas M Nair, 2010-12-13, 14:29
Re: is reusing alias names in multiple foreach blocks safe? - Pig - [mail # user]
...Yes, that is safe. -Thejas    On 12/2/10 2:03 PM, "Xiaomeng Wan"  wrote:  I just run a script in which I reuse some of the alias names in different foreach blocks (by car...
   Author: Thejas M Nair, 2010-12-02, 22:07
Re: Mapping a reference table - Pig - [mail # user]
...The mapping will have to be done in a udf. The udf would return a bag of tuples.  Pig query would look like this -  mapped_tuples = foreach input generate FLATTEN mapudf(bagcol); &...
   Author: Thejas M Nair, 2010-11-30, 00:06
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