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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-956) Iterator to transform key parts
Date Mon, 14 Jan 2013 16:42:13 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552862#comment-13552862
] 

Keith Turner commented on ACCUMULO-956:
---------------------------------------

bq. However, I can certainly change it to do that, if you think it's better.

Its not a big deal.  The unit test serves it primary purpose of testing the code just fine.
  Unit test can have a secondary purpose of serving as an example for users.   IMO it would
be a nice change.  But its certainly not necessary, everyone probably has differing opinions
about something like this.
                
> 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.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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