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https://issues.apache.org/jira/browse/PIG-1117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gerrit Jansen van Vuuren updated PIG-1117:
------------------------------------------

            Tags: PIG-1117.patch  (was: Pig hive rc columnar reader)
    Release Note: 
Contains:
->build.xml updated
->HiveColumnarLoader improved
->TesthiveColumnarLoader improved
->hive dependencies to compile.
->source code separated from other non hive dependent udfs


  was:This patch needs the hive_exec.jar from the 
http://svn.apache.org/repos/asf/hadoop/hive/trunk/ql/ build

          Status: Patch Available  (was: Open)

> Pig reading hive columnar rc tables
> -----------------------------------
>
>                 Key: PIG-1117
>                 URL: https://issues.apache.org/jira/browse/PIG-1117
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Gerrit Jansen van Vuuren
>         Attachments: HiveColumnarLoader.patch, HiveColumnarLoaderTest.patch, 
> PIG-1117.patch
>
>
> I've coded a LoadFunc implementation that can read from Hive Columnar RC 
> tables, this is needed for a project that I'm working on because all our data 
> is stored using the Hive thrift serialized Columnar RC format. I have looked 
> at the piggy bank but did not find any implementation that could do this. 
> We've been running it on our cluster for the last week and have worked out 
> most bugs.
>  
> There are still some improvements to be done but I would need  like setting 
> the amount of mappers based on date partitioning. Its been optimized so as to 
> read only specific columns and can churn through a data set almost 8 times 
> faster with this improvement because not all column data is read.
> I would like to contribute the class to the piggybank can you guide me in 
> what I need to do?
> I've used hive specific classes to implement this, is it possible to add this 
> to the piggy bank build ivy for automatic download of the dependencies?

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