I don't have a sample code.  But it can be done using Coprocessors because
it provides lot of hooks.

HBASE-2038 will give you pointers towards that and before that please read
about coprocessors also.  This is just one way of doing it.

Regards
Ram

> -----Original Message-----
> From: Harsh Gupta [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, June 27, 2012 4:02 PM
> To: [EMAIL PROTECTED]
> Subject: secondary indexing of tables
>
> I am using hbase-0.94 and I want to implement secondary index.
> How can I implement this?
> A sample code or tutorial will be of great help.
>
> Thanks,
> Harsh

Hi Harsh,

          You can visit this page -
http://wiki.apache.org/hadoop/Hbase/SecondaryIndexing

Regards,
    Mohammad Tariq
On Thu, Jun 28, 2012 at 5:21 PM, Ramkrishna.S.Vasudevan
<[EMAIL PROTECTED]> wrote:
> I don't have a sample code.  But it can be done using Coprocessors because
> it provides lot of hooks.
>
> HBASE-2038 will give you pointers towards that and before that please read
> about coprocessors also.  This is just one way of doing it.
>
> Regards
> Ram
>
>> -----Original Message-----
>> From: Harsh Gupta [mailto:[EMAIL PROTECTED]]
>> Sent: Wednesday, June 27, 2012 4:02 PM
>> To: [EMAIL PROTECTED]
>> Subject: secondary indexing of tables
>>
>> I am using hbase-0.94 and I want to implement secondary index.
>> How can I implement this?
>> A sample code or tutorial will be of great help.
>>
>> Thanks,
>> Harsh
>

The wiki is quite old.

See Todd's comment on a newer JIRA:
https://issues.apache.org/jira/browse/HBASE
-5723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249927#comment-13249927

On Thu, Jun 28, 2012 at 4:58 AM, Mohammad Tariq <[EMAIL PROTECTED]> wrote:

> Hi Harsh,
>
>          You can visit this page -
> http://wiki.apache.org/hadoop/Hbase/SecondaryIndexing
>
> Regards,
>     Mohammad Tariq
>
>
> On Thu, Jun 28, 2012 at 5:21 PM, Ramkrishna.S.Vasudevan
> <[EMAIL PROTECTED]> wrote:
> > I don't have a sample code.  But it can be done using Coprocessors
> because
> > it provides lot of hooks.
> >
> > HBASE-2038 will give you pointers towards that and before that please
> read
> > about coprocessors also.  This is just one way of doing it.
> >
> > Regards
> > Ram
> >
> >> -----Original Message-----
> >> From: Harsh Gupta [mailto:[EMAIL PROTECTED]]
> >> Sent: Wednesday, June 27, 2012 4:02 PM
> >> To: [EMAIL PROTECTED]
> >> Subject: secondary indexing of tables
> >>
> >> I am using hbase-0.94 and I want to implement secondary index.
> >> How can I implement this?
> >> A sample code or tutorial will be of great help.
> >>
> >> Thanks,
> >> Harsh
> >
>