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[PIG-3429] Reduce Pig memory footprint using specialized tuple classes (complementary to SchemaTuple) - Pig - [issue]
...Pig's default tuple implementation is very memory inefficient for small tuples, as the minimum size of an empty tuple is 96 bytes. This leads to bags being spilled more often than they need ...
http://issues.apache.org/jira/browse/PIG-3429    Author: Jonathan Packer, 2013-08-20, 15:40
[PIG-3359] Register Statements and Param Substitution in Macros - Pig - [issue]
...There are some gaps in the functionality of macros that I've made a patch to address. The goal is to provide everything you'd need to make reusable algorithms libraries.1. You can't register...
http://issues.apache.org/jira/browse/PIG-3359    Author: Jonathan Packer, 2013-08-06, 17:42
Re: Filtering based the value of an aggregate function? - Pig - [mail # user]
...You can cast the single-tuple relation "avg_score" to a scalar using the following syntax:  above_avg = filter data by score > avg_score.avg_score;   On Mon, Jul 29, 2013 at 3:4...
   Author: Jonathan Packer, 2013-07-29, 19:54
Status of JSON load/store funcs - Pig - [mail # dev]
...Hi, a few months ago I had submitted a patch to update JsonLoader to handle arbitrary input json without an accompanying schema file (the were options to specify a schema string with intelli...
   Author: Jonathan Packer, 2013-06-20, 22:04
[expand - 1 more] - Re: Improving macros - Pig - [mail # dev]
...Submitted a patch for this: https://issues.apache.org/jira/browse/PIG-3359   On Wed, Jun 19, 2013 at 5:36 PM, Rohini Palaniswamy <[EMAIL PROTECTED]  ...
   Author: Jonathan Packer, 2013-06-20, 21:57
[PIG-2767] Pig creates wrong schema after dereferencing nested tuple fields - Pig - [issue]
...The following script fails:data = LOAD 'test_data.txt' USING PigStorage() AS (f1: int, f2: int, f3:int, f4: int);nested = FOREACH data GENERATE f1, (f2, f3, f4) AS nested_tuple;dereferenced ...
http://issues.apache.org/jira/browse/PIG-2767    Author: Jonathan Packer, 2013-04-23, 18:39
[PIG-3141] Giving CSVExcelStorage an option to handle header rows - Pig - [issue]
...Adds an argument to CSVExcelStorage to skip the header row when loading. This works properly with multiple small files each with a header being combined into one split, or a large file with ...
http://issues.apache.org/jira/browse/PIG-3141    Author: Jonathan Packer, 2013-03-26, 04:40
[PIG-3142] Fixed-width load and store functions for the Piggybank - Pig - [issue]
...Adds load/store functions for fixed width data to the Piggybank. They use the syntax of the unix "cut" command to specify column positions, and have an option to skip the header row when loa...
http://issues.apache.org/jira/browse/PIG-3142    Author: Jonathan Packer, 2013-03-02, 17:16
Pig creates wrong schema after dereferencing nested tuple fields - Pig - [mail # user]
...I'm running into a strange problem where Pig is not detecting the schema correctly when one dereferences multiple fields from a nested tuple. I wanted to check whether this was a bug I shoul...
   Author: Jonathan Packer, 2012-06-22, 19:09
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