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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