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RE: FLATTEN disambiguation clause - Pig - [mail # user]
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...The disambiguation can be dropped if the column name is unique. A workaround for now is to explicitly name your column names when you flatten. filtered_scores = FOREACH fi...
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Author: Santhosh Srinivasan,
2009-06-29, 15:56
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RE: requirements for Pig 1.0? - Pig - [mail # dev]
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...To add to Alan's list: 1. Ability to handle unknown types in Pig's schema model. 2. Load/Store interfaces are not set in stone. 3. Nice to have: Make PigServer thread safe. Thank...
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Author: Santhosh Srinivasan,
2009-06-23, 21:01
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RE: [VOTE] Release Pig 0.3.0 (candidate 0) - Pig - [mail # dev]
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...I was able to download the archive, verify the checksum and run the unit test cases successfully. However, I was not able to run the tutorial. One of the following has to be fixed: 1. ...
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Author: Santhosh Srinivasan,
2009-06-22, 21:15
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RE: Error in Top() UDF? - Pig - [mail # user]
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...Dmitry, This looks like a bug. The root cause of this issue is in the getArgToFuncMapping() http://svn.apache.org/viewvc/hadoop/pig/trunk/contrib/piggybank/java/src /main/java/or...
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Author: Santhosh Srinivasan,
2009-06-18, 20:30
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Rewire and multi-query load/store optimization - Pig - [mail # dev]
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...With the implementation of rewire as part of the optimizer infrastructure, a bug was exposed in the load/store optimization in the multi-query feature. Below, I will articulate the bug and t...
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Author: Santhosh Srinivasan,
2009-06-12, 21:19
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RE: Selecting fields from records with varying spaces? - Pig - [mail # user]
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...Hi Marco, 1. I opened a JIRA that addresses the request for multi-byte delimiters in PigStorage (https://issues.apache.org/jira/browse/PIG-842). Other users have made a similar request...
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Author: Santhosh Srinivasan,
2009-06-11, 18:09
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RE: Problem with loading complex data types - Pig - [mail # user]
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...Hi Marco, Is the data tab separated? If not, you need to specify the delimiter explicitly as: A = LOAD 'data' using PigStorage(' ') AS (t1:tuple(t1a:int, t1b:int,t1c:int),t2:tupl...
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Author: Santhosh Srinivasan,
2009-06-11, 04:13
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RE: Question about Pig BinaryStorage() - Pig - [mail # user]
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...Drop the -x local. java -cp pig.jar:/home/unwin/hadoop-0.19.1/conf org.apache.pig.Main myScript5 From: Roger Unwin [mailto:[EMAIL PROTECTED]] Sent: Thursday, April 23, 200...
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Author: Santhosh Srinivasan,
2009-04-24, 00:27
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RE: Question about myImageStorageFunc and PigStore - Pig - [mail # user]
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...Sameer, You can find the documentation for writing User Defined Functions (UDFs) at the following location: http://hadoop.apache.org/pig/docs/r0.2.0/udf.html In particular, the load a...
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Author: Santhosh Srinivasan,
2009-04-21, 18:47
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RE: Question about myImageStorageFunc and PigStore - Pig - [mail # user]
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...Sameer, You need to write your own UDF to read and write image files to the file system. Have a look at the following built-in load and store functions supported by Pig: PigStora...
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Author: Santhosh Srinivasan,
2009-04-21, 18:28
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