Setup the scanner and next it as you did previous. Then on the Result
object, do something like:
for (KeyValue kv: result.raw()) {
System.out.println(Bytes.toString(kv.getRow()) + " " +
Bytes.toString(kv.getValue()));
}
St.Ack
On Tue, Jan 12, 2010 at 10:24 AM, Something Something <
[email protected]> wrote:
> Sorry. That was a typo. In any case, it seems like I am using the wrong
> API.
>
> Here's what my table contains:
>
>
> ABC_111 column=info:estimate, timestamp=1263319888463,
> value=179.59
> ABC_222 column=info:estimate, timestamp=1263319888463,
> value=191.50
> ABC_333 column=info:estimate, timestamp=1263319888463,
> value=180.65
> ABC_444 column=info:estimate, timestamp=1263319888463,
> value=183.63
> & so on....
>
>
> I want to retrieve:
>
> ABC_111 179.59
> ABC_222 191.50
> ABC_333 180.65
> ABC_444 183.63
> & so on...
>
> What API should I use? Please let me know. Thanks for your help.
>
>
> On Tue, Jan 12, 2010 at 9:36 AM, stack <[email protected]> wrote:
>
> > See below:
> >
> > On Tue, Jan 12, 2010 at 9:12 AM, Something Something <
> > [email protected]> wrote:
> > >
> > > NavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long,
> > > byte[]>>> map = result.getMap();
> > >
> >
> > Above returns a map keyed by families:
> >
> >
> http://hadoop.apache.org/hbase/docs/current/api/org/apache/hadoop/hbase/client/Result.html#getMap%28%29
> >
> >
> >
> >
> > > for (Map.Entry<byte[], NavigableMap<byte[],
> NavigableMap<Long,
> > > byte[]>>> entry : map.entrySet()) {
> > > byte[] key = entry.getKey();
> > >
> >
> > This is family name, not key.
> >
> >
> >
> > > *LOG.info("key = " + Bytes.toString(key));*
> > > NavigableMap<byte[], NavigableMap<Long, byte[]>> value =
> > > entry.getValue();
> > >
> >
> > This is a map keyed by column qualifiers.
> >
> >
> >
> > > for (Entry<byte[], NavigableMap<Long, byte[]>> entry1 :
> > > value.entrySet()) {
> > > byte[] key1 = entry1.getKey();
> > > *LOG.info("key1 = " + Bytes.toString(key1));*
> > >
> >
> >
> > This is the family qualifier.
> >
> >
> >
> > > NavigableMap<byte[], NavigableMap<Long, byte[]>>
> value1
> > =
> > > entry.getValue();
> > >
> >
> >
> > I do not think you intended to do this. I think you meant entry1, not
> > 'entry' and map type should be NavigableMap<Long, byte[]> rather than
> > above.
> >
> > St.Ack
> >
> >
> >
> > > for (Entry<byte[], NavigableMap<Long, byte[]>> entry2
> :
> > > value1.entrySet()) {
> > > String key2 = Bytes.toString(entry2.getKey());
> > > *LOG.info("key2 = " + key2);*
> > >
> > > }
> > > }
> > > }
> > > }
> > >
> >
>
