Pradeep Kamath updated PIG-651:

    Attachment: PIG-651.patch

> PERFORMANCE: Use specialized POForEachNoFlatten for cases where the foreach 
> has no flattens
> -------------------------------------------------------------------------------------------
>                 Key: PIG-651
>                 URL: https://issues.apache.org/jira/browse/PIG-651
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: types_branch
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>             Fix For: types_branch
>         Attachments: PIG-651.patch
> POForEach has lot of code to handle flattening (cross product) of the fields 
> in the generate. This is relevant only when atleast one field in the generate 
> needs to be flattened. If all fields in the generate do not need to be 
> flattened, a more simplified and hopefully more efficient POForEach can be 
> used.

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