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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2374) TableInputFormat - Configurable parameter to add column families
Date Thu, 25 Mar 2010 09:42:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849636#action_12849636
] 

Lars George commented on HBASE-2374:
------------------------------------

Hey KayKay,

I was wondering what that actually helps? You can already specify a combination of columns
or families with the existing parameter. If you leave out a ":" divider then it is internally
treated as a column family and addFamily is called, if it *does* have a colon divider then
it parses out family and column and adds them together. Please advise.

Lars

> 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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