[jira] [Created] (PIG-3078) Make a UDF that, given a string, returns just the columns prefixed by that string

["Jonathan Coveney (JIRA)" <ji...@apache.org>]

Jonathan Coveney created PIG-3078:
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             Summary: 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
             Fix For: 0.12


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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