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https://issues.apache.org/jira/browse/PIG-2631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olga Natkovich updated PIG-2631:
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Fix Version/s: 0.12
Moving to 12 since no work has been done and the ticket is unassigned
> Pig should allow self joins
> ---------------------------
>
> Key: PIG-2631
> URL: https://issues.apache.org/jira/browse/PIG-2631
> Project: Pig
> Issue Type: Improvement
> Reporter: Jonathan Coveney
> Fix For: 0.11, 0.12
>
>
> This doesn't have to even be optimized, and can still involve a double scan
> of the data, but there is no reason the following should work:
> {code}
> a = load 'thing' as (x:int);
> b = join a by x, (foreach a generate *) by x;
> {code}
> but this does not:
> {code}
> a = load 'thing' as (x:int);
> b = join a by x, a by x;
> {code}
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