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

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Assignee: Jonathan Coveney
• Reporter: Jonathan Coveney
• Created: 05/Dec/12 01:20
• Updated: 14/Oct/13 16:45
• Resolved: 22/Jan/13 23:30

Description

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', *)

Issue Links

• is depended upon by: PIG-3131 Document PluckTuple UDF