Peter, Your method will scan one column family, but I just want to only scan the row keys. Is it possible ?
Jeff Zhang On Wed, Dec 9, 2009 at 6:42 AM, Peter Rietzler < [email protected]> wrote: > > Sorry - I misunderstood your question. I thought that you wanted to fetch > only one column. > We fetch a reference column for our scans (which is very small): > > Scan scan = new Scan(); > scan.addColumn("family".getBytes(), "column".getBytes()); > table.getScanner(scan); > > Peter > > > Jeff Zhang-4 wrote: > > > > Peter, > > > > the api docs shows that there's no way to only get row key. So I'd like > to > > know is it make sense to provide such a API > > > > > > Jeff Zhang > > > > > > On Wed, Dec 9, 2009 at 1:48 PM, Peter Rietzler < > > [email protected]> wrote: > > > >> > >> > >> 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 > >> > > >> > > >> > >> -- > >> View this message in context: > >> > http://old.nabble.com/How-can-I-just-scan-the-row-key---tp26689858p26705497.html > >> Sent from the HBase User mailing list archive at Nabble.com. > >> > >> > > > > > > -- > View this message in context: > http://old.nabble.com/How-can-I-just-scan-the-row-key---tp26689858p26711310.html > Sent from the HBase User mailing list archive at Nabble.com. > >
