Yan Zhou resolved PIG-1067.

    Resolution: Fixed

Somehow this patch is virtually made a duplicate of 
https://issues.apache.org/jira/browse/PIG-653. Close this as that.

> [Zebra] to support pig projection push down in Zebra
> ----------------------------------------------------
>                 Key: PIG-1067
>                 URL: https://issues.apache.org/jira/browse/PIG-1067
>             Project: Pig
>          Issue Type: New Feature
>    Affects Versions: 0.4.0
>            Reporter: Chao Wang
>            Assignee: Chao Wang
>             Fix For: 0.6.0
> Pig tries to determine which fields in a query script file will be needed and 
> passes that information to the load function, thereby optimizing the query by 
> reducing the data to be loaded.
> To support this optimization, Zebra needs to implement fieldsToRead method in 
> TableLoader class to utilize this information. This jira is for this new 
> feature.
> For more information of this optimization on pig side, one can refer to jira: 
>  PIG-653
> https://issues.apache.org/jira/browse/PIG-653

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