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https://issues.apache.org/jira/browse/PIG-3078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13560128#comment-13560128
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Daniel Dai commented on PIG-3078:
---------------------------------
+1. Need some document (in addition to javadoc) though.
> Make a UDF that, given a string, returns just the columns prefixed by that
> string
> ---------------------------------------------------------------------------------
>
> Key: PIG-3078
> URL: https://issues.apache.org/jira/browse/PIG-3078
> Project: Pig
> Issue Type: Bug
> Reporter: Jonathan Coveney
> Assignee: Jonathan Coveney
> Fix For: 0.12
>
> Attachments: PIG-3078-0.patch, PIG-3078-1.patch
>
>
> This comes up fairly often, usually as the result of a join. Given that the
> resulting schema has the column name prepended, a udf in the following form
> could give just the columns from the desired relation:
> Pluck('relation_name', *)
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