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From "Josh Wills (JIRA)" <>
Subject [jira] [Resolved] (CRUNCH-174) Add support for join3 and cogroup3
Date Thu, 18 Jul 2013 07:26:50 GMT


Josh Wills resolved CRUNCH-174.

       Resolution: Fixed
    Fix Version/s: 0.7.0

Thanks Gabriel, I just committed this to master. Will open a separate JIRA to track the union

I understand where you're coming from in terms of Pig-- it's difficult to use that language
for any amount of time and not appreciate how powerful cogroups can be.
> Add support for join3 and cogroup3
> ----------------------------------
>                 Key: CRUNCH-174
>                 URL:
>             Project: Crunch
>          Issue Type: Bug
>          Components: Core, MapReduce Patterns
>            Reporter: Josh Wills
>            Assignee: Josh Wills
>             Fix For: 0.7.0
>         Attachments: CRUNCH-174.patch
> This seemed like a nice starter JIRA: it would be great to have the three (and even four!)
argument analogues of Join.join() and Cogroup.cogroup(), something like:
> PTable<K, Tuple3<V1, V2, V3>> j = Join.join(PTable<K, V1> a, PTable<K,
V2> b, PTable<K, V3> c);
> ... and similar for co-groups.

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