Just have a Look at the Api Docs:
http://hadoop.apache.org/hbase/docs/current/api/org/apache/hadoop/hbase/client/Scan.html


Jeff Zhang-4 wrote:
> 
> HI all,
> 
> I create a new ResultScanner like this ;
> ResultScanner scanner=table.getScanner(new Scan());
> So the default scan will scan all the families. But now I just want to
> only
> retrieval the row keys, so is there any API for this purpose ?
> 
> 
> Thank you
> 
> 

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