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From "Brian Loss (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-956) Iterator to transform key parts
Date Thu, 17 Jan 2013 02:06:22 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brian Loss updated ACCUMULO-956:
--------------------------------

    Attachment: key_transforming_iterator-3.patch

New version with most of the fixes based on Keith's comments.  Still missing a test for deepCopy
(there's an empty test for it right now).
                
> Iterator to transform key parts
> -------------------------------
>
>                 Key: ACCUMULO-956
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-956
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Brian Loss
>             Fix For: 1.5.0
>
>         Attachments: key_transforming_iterator-1.patch, key_transforming_iterator-2.patch,
key_transforming_iterator-3.patch, key_transforming_iterator.patch
>
>
> Iterators that transform parts of the key can be tricky if any transformation affects
sort ordering.  Implement an iterator that takes care of the tricky details that come with
modifying sort order (e.g., handling scan-time iterator reconstruction and the associated
seek).

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