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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-150) Add lib support for converting a PCollection<Pair<K, V>> to a PTable<K, V>
Date Thu, 24 Jan 2013 22:57:12 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Wills updated CRUNCH-150:
------------------------------

    Attachment: CRUNCH-150.patch

First crack at this.
                
> Add lib support for converting a PCollection<Pair<K, V>> to a PTable<K,
V>
> --------------------------------------------------------------------------
>
>                 Key: CRUNCH-150
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-150
>             Project: Crunch
>          Issue Type: Bug
>          Components: MapReduce Patterns
>            Reporter: Josh Wills
>         Attachments: CRUNCH-150.patch
>
>
> Lots of MapReduce patterns in Crunch Lib work on PCollections, which include PTables
(which extend the interface) as a special case. We should add a utility function for making
it easy to convert any PCollection<Pair<K, V>> returned by a lib function back
into a PTable<K, V>, and do the conversion for the user automatically when it makes
sense.

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