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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1488) support BigDecimal encoding for basic built-in combiners
Date Fri, 14 Jun 2013 21:17:21 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683795#comment-13683795
] 

Christopher Tubbs commented on ACCUMULO-1488:
---------------------------------------------

{quote}
What is the advantage of back-porting instead of contributing a jar that
can be dropped into the lib/ext directory?
{quote}

I see none, and this would be my preferred method of supporting these in an older version,
since they are completely modular and can be delivered in this way.

At the *very* least, I think backporting a feature from a newer version when that newer version
isn't even yet released (and therefore finalized in some way) creates an undue burden on *all*
developers who could receive questions from users. If some users start having problems with
this feature in 1.5.1 and later, or design code around it assuming it's available in 1.5.x,
but have to migrate to 1.5.0 (due to a bug in 1.5.1, for instance), it will *not* be sufficient
for me to tell them "[~afuchs] volunteered to take responsibility for that".

Personally, I would like to see backported features (just features, not bugfixes) voted on
for inclusion in a prior release line, precisely because of the additional support and maintenance
risks.
                
> support BigDecimal encoding for basic built-in combiners
> --------------------------------------------------------
>
>                 Key: ACCUMULO-1488
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1488
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: Adam Fuchs
>             Fix For: 1.5.1, 1.6.0
>
>         Attachments: ACCUMULO-1488.patch
>
>
> Support sum, min, and max operations for decimal numbers using the java.math.BigDecimal
String encoding and decoding functions (BigDecimal.toString() and BigDecimal(String)).

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