Pradeep Kamath updated PIG-953:

    Attachment: PIG-953-9.patch

- New patch addresses all javadoc, unit test and findbugs issues.
- The release audit warnings are unrelated issues relating to html files and 
not code related.
- I tried supressing deprecated related javac warning in code but looks like 
there is an existing javac [bug|http://bugs.sun.com/view_bug.do?bug_id=6594914] 
- so there is no way I am aware of to supress this in code and we may need to 
live with these warnings till we move to the new hadoop api

> Enable merge join in pig to work with loaders and store functions which can 
> internally index sorted data 
> ---------------------------------------------------------------------------------------------------------
>                 Key: PIG-953
>                 URL: https://issues.apache.org/jira/browse/PIG-953
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.3.0
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>         Attachments: PIG-953-2.patch, PIG-953-3.patch, PIG-953-4.patch, 
> PIG-953-5.patch, PIG-953-6.patch, PIG-953-7.patch, PIG-953-8.patch, 
> PIG-953-9.patch, PIG-953.patch
> Currently merge join implementation in pig includes construction of an index 
> on sorted data and use of that index to seek into the "right input" to 
> efficiently perform the join operation. Some loaders (notably the zebra 
> loader) internally implement an index on sorted data and can perform this 
> seek efficiently using their index. So the use of the index needs to be 
> abstracted in such a way that when the loader supports indexing, pig uses it 
> (indirectly through the loader) and does not construct an index. 

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