/**
* Create a sorted list of the KeyValue's in this result.
*
* @return The sorted list of KeyValue's.
*/
public List<KeyValue> list() {
if(this.kvs == null) {
readFields();
}
return isEmpty()? null: Arrays.asList(sorted());
}
I will try it . Thank you very much!
On Thu, Feb 24, 2011 at 9:45 AM, Buttler, David <[email protected]> wrote:
> Result.list() ?
> Putting the hbase source into your IDE of choice (yay Eclipse!) is really
> helpful
>
> Dave
>
>
> -----Original Message-----
> From: 陈加俊 [mailto:[email protected]]
> Sent: Wednesday, February 23, 2011 5:42 PM
> To: [email protected]
> Cc: Buttler, David
> Subject: Re: I can't get many versions of the specified column,but only get
> the latest version of the specified column
>
> Thank you David !
>
> I alter the table schema as follow:
>
> > alter 'cjjIndexPageModify', {NAME => 'log' , VERSIONS => 5 , METHOD =>
> 'add'}
>
> How to iterate over KeyValues? which method in Result?
>
> On Thu, Feb 24, 2011 at 9:27 AM, Buttler, David <[email protected]> wrote:
>
> > What is your table schema set to? By default it holds 3 versions.
> > Also, you might iterating over KeyValues instead of using the Map since
> you
> > don't really care about the organization, just the time.
> >
> > Dave
> >
> > -----Original Message-----
> > From: 陈加俊 [mailto:[email protected]]
> > Sent: Wednesday, February 23, 2011 5:22 PM
> > To: [email protected]
> > Cc: Stack
> > Subject: Re: I can't get many versions of the specified column,but only
> get
> > the latest version of the specified column
> >
> > I execute it five times at diffrent time.
> >
> > //put data by version
> >
> > final Put p = new Put(key); // key
> > final long ts = System.currentTimeMillis();
> > p.add(FAMILY, q1, ts,v1);
> > p.add(FAMILY, q2, ts,v2);
> > p.add(FAMILY, q3, ts,v3);
> > table.put(p);
> >
> > So I can get five versions ,right?
> >
> > On Thu, Feb 24, 2011 at 2:06 AM, Stack <[email protected]> wrote:
> >
> > > What do you get for a result?
> > >
> > > You are only entering a single version of each column, a single
> > > version of FAMILY:q1, a single version FAMILY:q2, and a FAMILY:q3.
> > >
> > > St.Ack
> > >
> > > On Wed, Feb 23, 2011 at 2:54 AM, 陈加俊 <[email protected]> wrote:
> > > > I can't get many versions of the specified column,but only get the
> > latest
> > > > version of the specified column. Is there anyone help me?
> > > >
> > > > //put data by version
> > > >
> > > > final Put p = new Put(key); // key
> > > > final long ts = System.currentTimeMillis();
> > > > p.add(FAMILY, q1, ts,v1);
> > > > p.add(FAMILY, q2, ts,v2);
> > > > p.add(FAMILY, q3, ts,v3);
> > > >
> > > > table.put(p);
> > > >
> > > >
> > > > //get all versions of data
> > > >
> > > > final Get get = new Get(key);
> > > > get.addFamily(FAMILY);
> > > > get.setMaxVersions(10);
> > > > final Result result = htable.get(get);
> > > >
> > > > final NavigableMap<byte[], NavigableMap<byte[],
> > > > NavigableMap<Long, byte[]>>> map = result.getMap();
> > > > final Set<Entry<byte[], NavigableMap<byte[],
> > > > NavigableMap<Long, byte[]>>>> entrySet = map.entrySet();
> > > > final Iterator<Entry<byte[], NavigableMap<byte[],
> > > > NavigableMap<Long, byte[]>>>> iterator = entrySet
> > > > .iterator();
> > > > while (iterator.hasNext())
> > > > {
> > > > final Entry<byte[], NavigableMap<byte[],
> > > > NavigableMap<Long, byte[]>>> next = iterator.next();
> > > > System.out.println(Bytes.toString(next.getKey()));
> > //family
> > > > for (final Entry<byte[], NavigableMap<Long, byte[]>>
> > > > item : next.getValue().entrySet())
> > > > {
> > > > System.out.println(Bytes.toString(item.getKey()));
> > > > for (final Entry<Long, byte[]> _item :
> > > > item.getValue().entrySet())
> > > > {
> > > > System.out.println(_item.getKey()); //q
> > > >
> > > System.out.println(Bytes.toString(_item.getValue()));
> > > > //value
> > > > }
> > > > }
> > > >
> > > > }
> > > >
> > > > --
> > > > Thanks & Best regards
> > > > jiajun
> > > >
> > >
> >
> >
> >
> > --
> > Thanks & Best regards
> > jiajun
> >
>
>
>
> --
> Thanks & Best regards
> jiajun
>
--
Thanks & Best regards
jiajun
