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Posted to dev@pig.apache.org by "Olga Natkovich (JIRA)" <ji...@apache.org> on 2007/11/26 23:19:43 UTC

[jira] Updated: (PIG-20) Sorting using custom comparison functions

     [ https://issues.apache.org/jira/browse/PIG-20?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Olga Natkovich updated PIG-20:
------------------------------

    Attachment: usercompare.patch

This patch implements user comparator as described in spec. Please, review. Submitted on behald of Patrick Hunt.

> Sorting  using custom comparison functions
> ------------------------------------------
>
>                 Key: PIG-20
>                 URL: https://issues.apache.org/jira/browse/PIG-20
>             Project: Pig
>          Issue Type: New Feature
>          Components: impl
>            Reporter: Olga Natkovich
>         Attachments: usercompare.patch
>
>
> Currently, onlu string based sorting is supported. Once we have types, numeric sort will be supported as well. However, soem users express need for custome comparison functions for sort.
> Alan put together a design document for this:
> http://wiki.apache.org/pig/UserDefinedOrdering

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