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https://issues.apache.org/jira/browse/PIG-2536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460716#comment-13460716
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Jonathan Coveney commented on PIG-2536:
---------------------------------------
Oh, this patch is fine. I guess we had debated some about whether or not we
wanted to include this sort of syntax (since there are other cases where we
could use the same), but if people are down, I'm down. just comment here and
I'll merge it in.
> Extend pig to support DISTINCT x.(project)
> ------------------------------------------
>
> 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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