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https://issues.apache.org/jira/browse/PIG-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yan Zhou resolved PIG-1067.
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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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