You can use the range here. here startRow will be "userId | useridType|"
and endRow will "userId | useridType|+~"
i am adding '~' for termination.
You need to read about how range scan work in Hbase.
Regards
jeetendra
On 24 November 2015 at 09:35, beeshma r <beeshm...@gmail.com> wrote:
> HI ,
>
> You can use prefixfilter class while scan
>
>
>
> byte[] prefix = Bytes.toBytes("key"); Scan scan = new Scan();
> Filter
> prefixFilter = new PrefixFilter(prefix);
> scan.setFilter(prefixFilter); ResultScanner resultScanner =
> Main_Table.getScanner(scan);
>
>
>
>
> Thanks
>
> Beeshma
>
>
> On Tue, Nov 24, 2015 at 9:34 AM, beeshma r <beeshm...@gmail.com> wrote:
>
> > HI
> >
> > You can use prefixfilter class while scan
> >
> >
> >
> >
> > On Thu, Nov 19, 2015 at 10:25 AM, dheeraj kavalur <
> > dheerajkavalu...@gmail.com> wrote:
> >
> >> Hi,
> >>
> >> Can someone help how to query on partial rowkey.
> >>
> >> *Table Name :* URLdata
> >>
> >>
> >> *Column Family:* BaseID
> >>
> >>
> >> *Columns:*1. userId
> >>
> >> 2. userIdType
> >>
> >> 3. username
> >>
> >> 4. country
> >>
> >> *RowKey Design :*
> >>
> >> userId | useridType|country (Pipe
> >> separated
> >> columns concatenated)
> >>
> >>
> >> *Requirement*: :
> >>
> >> ยท Count Distinct
> >> (userId| useridType) combination from the table.
> >> Have to do partial scan (read ) on the
> >> composite rowkey.
> >>
> >> The count has to been done on Map-side only by
> >> reading partial key and actual userid from column in hbase and count the
> >> distinct.
> >>
> >
> >
> >
> > --
> >
> >
> >
> >
> >
> >
>
>
> --
