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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2374) TableInputFormat - Configurable parameter to add column families
Date Thu, 25 Mar 2010 15:15:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849721#action_12849721
] 

Jonathan Gray commented on HBASE-2374:
--------------------------------------

Agreed that this doesn't add a new feature.  But I'm +1 on the jira because we should move
everything to the new-API style of doing things.  family:qualifier is actually deprecated
in the API, though we may retain it for quite some time anyways, having the mr api talk something
that looks closer to the new API is not a bad idea.

That being said, can't we just pass a Scan and do whatever we want?

> TableInputFormat - Configurable parameter to add column families 
> -----------------------------------------------------------------
>
>                 Key: HBASE-2374
>                 URL: https://issues.apache.org/jira/browse/HBASE-2374
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 0.20.3
>            Reporter: Kay Kay
>            Priority: Minor
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: HBASE-2374.patch
>
>
> Currently , TIF supports hbase.mapreduce.scan.columns to add family:qualifiers as a conf
parameter. 
> This adds -  hbase.mapreduce.scan.column.family , as a configurable parameter to add
a family to the scan of TIF. 
> Patch against trunk , but does not break backward compatibility. 

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