Extend pig to support DISTINCT x.(project)
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Key: PIG-2536
URL: https://issues.apache.org/jira/browse/PIG-2536
Project: Pig
Issue Type: Improvement
Reporter: Jonathan Coveney
Assignee: Jonathan Coveney
Priority: Minor
Fix For: 0.11
Attachments: PIG-2436-0.patch
Currently, pig does not allow this syntax:
{code}
A = load 'thing' (x:int, y:int, z:int);
B = distinct A.x;
C = distinct A.(y,z)
D = distinct C.$0;
{code}
and so on. With this patch, it does. I should probably add more tests, though
it's a simple patch... it just turns distinct rel.proj into syntactic sugar for
distinct (foreach rel generate proj)
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