[
https://issues.apache.org/jira/browse/PIG-3078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13560135#comment-13560135
]
Jonathan Coveney commented on PIG-3078:
---------------------------------------
Made a doc jira. Will commit.
Note: I think it's fine to defer documentation w/JIRA's because it's possible
that future details will change how it looks. For example, PIG-3010 would
change how I'd implement this, potentially!
> 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', *)
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
